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ext2 is a linux filesystem. It is not journaled, but it is natively supported by most of the BSDs. Linux sudo fdisk /dev/sdb g # new gpt table n # new

Profile your python script by running it on commandline. Set target function with @profile and execute with python -m memory_profiler file.py. sudo pip

xcode is MacOS's IDE and compiler. There are two ways of installing xcode. through the App-Store (always latest) downloading explicit versions: https://developer

Technically, it is against Apple's TOS to run apple software on non-apple-brand hardware. Mostly-Automated KVM image builder for various MacOS releases

indexes your source-tree. Before ctags can be used, you must generate a tags file (ctags -R). You must continuously update this file to continue to use ctags

digitalocean exposes it's own version of S3, with a compatible API. When using awscli, you must specify --endpoint=https://{region}/digitaloceanspaces.com

official cli client. config.yml git_protocol: https editor: prompt: enabled pager: aliases: co: pr checkout hosts.yml github.com: user: <githubuser> oauth_token:

cpp -o compiled_program # using compiler 'gcc' clang++ source.cpp lib/source2.cpp lib/sourc3.cpp -o compiled_program # using compiler 'clang' # something

Note: This element neither has attached source nor attached Javadoc and hence no Javadoc could be found. You're using a JRE version that is not installed.

really mean entry(Directory='TARGETDIR', Directory_Parent='', DefaultDir='SourceDir') # ? entry(Directory='ProgramFilesFolder', Directory_Parent='TARGETDIR'

to use the cinematic camera. Tab # enter cinematic view mouse-movement # look around 1st-person +/- # zoom in/out e/q # up/down Enable Cheats using the

gnu global behaves similarly to ctags/cscope. It scans your source code directory, and enables you to jump between files and discover where functions/classes

Rails is a collection of ruby gems centered around creating a website. rails is a metapackage - you'll need to do some digging to find the correct module

WARNING: encfs is being infrequently/community maintained. The author hints at using newer alternative like ecryptfs or gocryptfs. NOTE: Keep backups of your

module/class) whereami # print current location show-source <method> # show sourcecode show-source -ld <method> # show sourcecode with docstring show-doc

encrypted/decrypted using gpg key "name-of-gpgkey" pass init -p personal "name-of-gpgkey" # save passwords (.password-store/personal/pers.gpg) # encrypted using configured

WARNING: It's now encouraged to use pyproject.toml instead of setup.py to configure your project. setuptools may still be used as your build system of choice

sockstat is a FreeBSD tool that lists open ports. A clone has been written for linux. # FreeBSD # (pre-installed with base) # Archlinux # see https://packages

# top sorted by cpu top -o res # top sorted by used memory top -o res -a | less -S # top sorted by used mem, showing cli params for prog Top also has some

access, permissions, and automatic behaviour. These rules can also be managed using the devfs command. NOTE: careful to choose a high number, low numbers may

learning, they will eventually need to be divided into sensibly categorized pages. See Also: https://kubernetes.io/docs/concepts/ kubernetes is not itself

to your project. (ex. before you needed to install setuptools, then could use setup.py) # pyproject.toml [tool.pytest.ini_options] python_files = *.py testpaths

beginning of font list Check which font will answer to a font-family (when used in something like a web browser). fc-match Helvetica See Also: https://wiki

select + y keyboard: # I think F8? Watch bandwidth usage using nload Determine bandwidth type using tcpdump If network is congested, consider increasing buffer

Tool to configure modems. Like the pinephone, for example. sudo pacman -S modemmanager systemctl enable ModemManager.service systemctl start ModemManager

Asynchronous vim plugin manager. call plug#begin('~/.vim/bundle') Plug 'https://github.com/vim-scripts/DrawIt' Plug 'ssh://domain.com:/git/foo-plugin'

traceroute/tracert measures how long it takes to make every connection between your request, and the target domain. Run, and wait a couple of minutes for

command + arguments used to start process %cpu # percentage of cpu use %mem # percentage of memory use rss # (resident-set-size kb) memory used by a process (excludes

processes, memory, disk, and cpu activity. See also gnu vmstat. procs memory page disks faults cpu r b w avm fre flt re pi po fr sr ad0 ad1 in sy cs us sy

booting with EFI, and it is now built-in to systemd. # Confirm you booted using EFI efivar -l Create EFI partition sudo fdisk /dev/sda g # create gpt table

NetworkManager is a tool to manage all networks (wired/wireless) on your machine. As soon as configured connections are available, they will be connected

Type annotations in python. from typing import Dict, List, Tuple from typing import Optional, Union class Project: def ex_param_w_return(user: User) ->

$1 } inner "foo" ) #!/usr/bin/env bash create_array() { local -n arr=$1 # use nameref for indirection arr=(one "two three" four) } main() { local my_array

Columns START # start memory addr END # end memory addr RES # resident memory (pages?)

the selling point of PKGNG (package next-generation), was allowing users to use a mix of binary packages and ports. This is not the case, but you can compile

mutt/folders/<account> # # folder settings only. accounts/* will be used when needed. source ~/.mail/accounts/<account> set folder = "imaps://<your_email>@imap

committed to git repo. # ~/.gitignore # ${PROJECT}/../.gitignore tags # exclude file 'tags' anywhere it exists build/**/manifest # '**' matches any level

result): assert (a+b) == result fixtures are pre-built functions that you can use as parameters to your tests. Less code to read, less code to write. Note that

you'll need to set the default printer and you may need to enable it. (if you used the UI, queue may be set during setup, tab complete it) # set default printer

sudo pacman -S wpa_supplicant iw dialog wpa_actiond # wireless sudo systemctl enable netctl-auto@${IFACE}.service # autostart sudo systemctl enable ne

nvidia-smi is a commandline tool that shows information about your GPU like temperature, vram consumption, etc. watch -n5 nvidia-smi Sun May 9 09:52:39

be searched-for/found using Ctrl+Shift+P (ex: installing extensions) Symbols are searched using Ctrl+t Files are searched using Ctrl+p Code > Settings

Built overtop of dnsmasq, to serve as an ad-blocker. There are two variations: a standalone version made for the local machine, and one designed to operate

b: T.nilable(Integer)).void } def bar(a, b: nil) = nil end You can also use sorbet as an LSP. srb tc --lsp

org/dev/peps/ In particular PEP8 is the current style-guide used by the python project itself, and is used by most python projects: https://www.python.org/dev/peps/pep-0008/

interface temp1: +27.8°C (crit = +106.0°C) temp2: +29.8°C (crit = +106.0°C) ucsi_source_psy_0_00081-i2c-0-08 Adapter: NVIDIA GPU I2C adapter in0: 0.00 V (min =

open 'https://addons.mozilla.org/en-US/firefox/addon/tridactyl-vim/?utm_source=addons.mozilla.org&utm_medium=referral&utm_content=search' :installnative

15.85 GiB Real Managed: 97.28% 15.42 GiB Logical Total: 16.00 GiB Logical Used: 39.54% 6.33 GiB Logical Free: 60.46% 9.67 GiB Kernel Memory: 462.54 MiB

puts "hello" print "a", "b", 12 printf "num: %5.2f name: %s", 1.123, "alex" #> "num: 1.12 name: alex" line = gets puts line ARGF # stdin fd = StringIO

dinner # search for event to interactively delete ## Haven't successfully used reminder yet gcalcli remind 5 echo "REMINDER" # schedule a reminder with

Grains are facts about a system that a minion is running on. You can target machines based on this information, or alter states/configuration based on

use grains['os_family'] to target a range of platforms RedHat: - CentOS - RedHat Windows: - Windows Debian: - Debian - Ubuntu Arch: - Archlinux Windows:

/etc/sudoers configuration file (but use visudo unless certain)

A library and cli tool for searching/matching nodes within ruby's AST. gem install ffast fast --ast some/file.rb # show ast fast '(const _ _)' some/file

text '0x%B' " statusline formatter syntax vim functions " vim functions Just use a component function to return different results based on winwidth() let g:lightline

install steam alongside your gpu drivers, and lib32 opengl drivers. pacman -S steam \ nvidia \ lib32-nvidia-utils \ lib32-libva-vdpau-driver \ lib32-libva-intel-driver

If you find yourself doing very complex things with jinja2, you might want to consider writing your own salt-state instead for readability. See the following

is slow send, receive, etc) curl -#O https://example.com/file # download, using original filename, and progressbar curl https://example.com/file -o out.tgz

com/en-us/windows-hardware/manufacture/desktop/windows-setup-installing-using-the-mbr-or-gpt-partition-style

--name couchbase -p 8091-8094:8091-8094 -p 11210:11210 couchbase # admin page http://localhost:8091 # N1QL query docker exec -it couchbase sh /opt/couchbase/bin/cbq

A tool to help test your application for points of failure, by simulating down/bad-network conditions. First, start the server, leave it running in the

MSIUSEREALADMINDETECTION 1 installer should use current user info, even when running as admin. (<=vista) use me ProductName Human readable name of application

external ip address, and gives you a permanent address on the internet you can use to reach your server. NOTE: Cannot run in FreeBSD jail, needs access to shared

Components gpg: # program to encrypt/decrypt things jinja: # templating engine (use python/dictionary substitution within configfiles) ../ #======= pillars/ #=======

wireshark.org/docs/man-pages/tshark.html man wireshark-filter (display filter syntax) https://www.wireshark.org/docs/man-pages/wireshark-filter.html man

to look out for. Cython expresses your python code as C/C++ code, then you use a compiler to compile it into a finished product. It boasts nearly 100% compatibility

multiple source blocks, or define a source for each gem individually. # source block source 'your.repo.com' do gem 'foo' gem 'bar' end # inline source gem 'baz'

Clear Terminal Screen apropos <command> # list man pages related to command man <command> # show man page <command> --help # show brief help for params pwd

(reserved, and/or actively used) (important!) USED # (kb) actual used memory (ram/swap) RES # (kb) memory used (ram) SWAP # (kb) memory used (swap) top's Config

debug symbols pyenv local 3.6.5 # 'python' command now uses 3.6.5 env PYENV_VERSION=system vim # use specific pyenv version pyenv versions # list installed

id: 0x1b8 cap: 0x1, Source Output crtcs: 4 outputs: 7 associated providers: 1 name:NVIDIA-0 Provider 1: id: 0x20e cap: 0xb, Source Output, Sink Output

# cpu-scaling/battery/etc scaling. (ex: performance, powersave, ...) # # use either to see available profiles: cat /sys/devices/system/cpu/cpu0/cpufre

computer (so it is available offline). pacman -S vdirsyncer You can then use cron, or systemd to synchronize contacts. # crontab */5 * * * * /usr/bin/vdirsyncer

'/src/dir/' '/dst/dir/' recurse=True # optional keyword-args are assigned using '=' with no spaces salt-call saltutil.refresh_modules Filtering Hosts/Minions

<!-- https://mvnrepository.com/artifact/com.googlecode.json-simple/json-simple --> <dependency> <groupId>com.googlecode.json-simple</groupId> <artifac

attributes_for(:user) # creates hash to instantiate User instance # can be used in 'do' block create(:user) do |user| user.posts.create(attributes_for(:post))

Gmail API - APIs & Services: - [+] ENABLE APIS AND SERVICES (top/middle of page) - Search: Gmail API - Enable # 3) Assign token/access scopes - OAuth consent

information, but are overkill for other types of info. For non-secret information use Application.config. config/application.rb is designed to rails and it's various

call them using the keyword call :call ResizeTabs("four", 4, "abc", "efg") You may also define a command for your function, allowing it to be used without

Manages several network types. You may also be interested in netctl. sudo pacman -S networkmanager sudo systemctl enable NetworkManager.service sudo systemctl

fzf#vim#with_preview()) " use sane defaults for preview-showing call fzf#run(l:options) " run fzf Examples call fzf#run(fzf#wrap({ source: 'git ls-files' }))

record): if record.name.startswith('chatty'): return 0 return 1 install filter using logging.basicConfig() logging.basicConfig() for handler in logging.root.handlers:

A Thick jail is a totally separate FreeBSD install. It can be running a differrent release from the host, and any of the other jails. This approach is

install solargraph-rails --pre # if using rails (I've had a lot of issues with this) :CocInstall coc-solargraph " uses solargraph on backend For each project:

list - Next - 1-1 Printer setup: next - 2-1 Setup Procedure: Wireless Setup using the USB cable - Select your place of residence: - [x] USA, Canada, Latin

continue the last active `tag` timew summary [<tag>,<tag>,...] ## show summary of recorded time timew day/week/month [<tag>,<tag>,...] ## print a GANT chart

get line info line('.') " current line number getline('.') " current line getline(10, 20) " get list of lines 10-through-20 getline(1)[0] " get char at

which character is used to separate items in a list. By default it is a single empty space. You can change it, if you'd like. Some use cases: iterating over

'syntax' -complete=syntime  :syntime suboptions -complete=tag tags -complete=tag_listfiles tags, file names are shown when CTRL-D is hit -complete=user user

gem requirements using a ruby gemfile. This is similar to python-pip's requirements.txt file. gem install bundler # generate gemfile using 'rubygems.org'

outside of a jail's scope. Jail options can be referenced within other options using bash variable syntax. All options can be defined either globally, or for

imported, it can be used using the full importpath package.subpkg.module.my_func() This is a lot of typing. Alternatively, you can use the keywords from

nums do_nothing([1, 2, 3]) A logarithm is the opposite of an exponent (it is used to solve for an exponent). For example: log(2)8 # what power of 2 makes 8

this is FreeBSD's cron environment. PWD=/home/$USER # by default cron may use 'sh' rather than 'bash/zsh' (which does not support '&>>') * * * * * command

.states.file.html use jinja as context in configfile ./etc/rc.conf: file.managed: - source: salt:/rc/rc.conf - template: jinja using dictionary as context

works) You can tag releases of your git repository with versions so that they are easy to revert. Listing Tags git tag # list all tags git tag -l '1.*' # list

is set as a class method, but designed to run on a class instance) you can use T.bind(self, YourClass). # stdlib types String Symbol Integer Float NilClass

install salt either by using the version of salt in your distrobution's package repository or using salt's bootstrap script. unix: use your distrobution's

articles#update # DELETE /articles/:id(.:format) articles#destroy # Interactive Pages on 'articles' resource # new_article GET /articles/new(.:format) articles#new

gnome.Evolution-alarm-notify. sudo pacman -S breeze I have had the best using lxappearance widget style: raleigh icon theme: breeze mouse cursor: breeze

.sls Here are some patterns that I find myself using quite a lot NOTE: I have also encountered the use of '%h' which expands to a user's homedirectory

universal-ctags \ gems sudo gem install ripper-tags sudo gem install solargraph neovim # neovim brew install neovim # don't use nix, coc-solargraph requires writable

encrypt/decrypt using subkey # encrypt echo foo \ | gpg --encrypt -r user@domain.com `# encrypt` \ | gpg `# decrypt` revoke I haven't used this yet. gpg

Vim is extremely extensible, both using viml and python (if it is compiled into your version of vim). If you are looking for directions for creating your

youre pillar's output. If using a traditional saltmaster setup, configuration goes into your /usr/local/etc/salt/master. If using a masterless setup, configuration

deleted by root, is not dumped, On linux, this is controlled using chattr, on bsd you use chflags . ls -lo # ls, displaying immutable bit chflags noschg

also install proton independently of steam, using their github repo. - install steam - install a game using proton (to install a proton dist) WARNING: this

(equality, ...) and/or the fields (defaults, ...). You can add custom validation using the __post_init__() method. import dataclasses from typing import Tuple @dataclasses

else you may find you need. Since I'm working alone, I've been quite happy using simply base. user: salt # user to run salt as file_roots: # root of salt-states

and enable - chocolatey to install packages # Settings can't be opened using the Built-in Administrator account # (untested) HKEY_LOCAL_MACHINE\SOFTW

the lack of vi-mode, and aliases makes me struggle more than just simply using curl. but it did help me quickly understand couchdb's concepts, and that

useful. NOTE: You can automatically create a model and CRUD views/controllers using scaffolds # create model 'User', # db-migration to create table 'users' rails

com/thank-you-downloading-visual-studio/?sku=community&rel=16&utm_medium=microsoft&utm_source=docs.microsoft.com&utm_campaign=link+cta&utm_content=download+commandli

execute synchronously in the order they were enqueued. You can make them async using timers. event.on('start', setTimer(() => { console.log('foo') }, 0))

'#<phrase>: skip()' in '~/.talon/user/knausj_talon/modes/sleep_mode.talon' When using multiple monitors, align at the top edge (otherwise talon help windows cut-off

winetricks for proton. select games using their id, then run winetricks within that wine-prefix's environment. pacaur -S protontricks-git protontricks

asynchronous progressbars. Notably, it does not do this using curses (but I am uncertain if it uses windows). import reprint # NOTE: internval an integer

include `CMAKE_CURRENT_SOURCE_DIR`, `CMAKE_CURRENT_BINARY_DIR` set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # export compile.json (used by linter) find_package(Qt5Widgets

Information Source windows (see rules for logon names) https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-server/bb726984(v=technet

https://docs.microsoft.com/en-us/visualstudio/install/use-command-line-parameters-to-install-visual-studio?view=vs-2017 https://docs.microsoft.com/en-

sudo pacman -S docker sudo systemctl enable docker sudo systemctl start docker sudo docker info # test that daemon is running sudo usermod -a -G docker

sass preprocessed stylesheets index.(md|html|textile) # your site's main page mkdir _includes touch _includes/post-standard.css # create your CSS snippet

project/include/mybutton.h #ifndef MYBUTTON_H #define MYBUTTON_H #include <QtWidgets/QPushButton> #include <iostream> class MyButton: public QPushButton

blocking strength: used in attk-dmg for blunt type weapons dexterity: used in attk-dmg for cutting type weapons <weapon_skill>: used in calculation of raw

configurable floating window manager. openbox --reconfigure # reload config Use xev to determine key-name to bind xev equal keybidnding (see 'equal') KeyPress

Windows-Subsystem-For-Linux lets you run a linux kernel on top of a windows system. WSL-1 uses a translation layer (like cygwin/msys) for system calls. This documentation

maven can manage downloading your project's dependencies from it's package repository. Find Dependency in maven-repo Search https://mvnrepository.com/search

Numpy introduces C arrays into python, alongside several fast/compiled functions for operating on those arrays. array = numpy.array([ [0, 1, 2, 3, 4],

v:excepton " last raised exception v:throwpoint " where last exception occurred Vim does not have exception types. It has error messages. Careful - vim

downwards facing arrow - settings: { //... "profiles": { "defaults": { //"useAcrylic": true, //"acrylicOpacity": 0.8, //"experimental.retroTerminalEffect":

By default, variables are global and variables do not need to be declared. You can declare local variables, or array types. declare foo # declare global

traffic. You'll need to split them up onto separate ports if you intend to use them within a reverse proxy. See https://wiki.znc.in/Reverse_Proxy TODO: This

graphqurl is a cli graphql query tool with autocompletion. It is built overtop of curl. npm install -g graphqurl Interactive has tab completion, but without

See https://unix.stackexchange.com/questions/39644/how-can-i-profile-a-shell-script # -x: enable xtrace # -v: enable verbose mode (print line as executed)

pyenv-virtualenv allows you to automatically activate virtualenvs as you change directories. (just like pyenv switches python installs as you change directories)

FreeBSD ports have compilation instructions for several packages that are unavailable in the binary package repo. WARNING: Avoid mixing ports and packages

This is the easiest, and most standard way of setting up networking within jails. This is appropriate if you do not have any special needs (ex: jail specific

tool to create dynamic charts on the commandline. Built with very specific use case in mind. go get github.com/atsaki/termeter/cmd/termeter column-names

Lets you use a modifer with mouseclicks to move/resize windows on macos. Similar to kde window resizer on windows. brew cask install easy-move-plus-resize

Python-digitalocean uses environment variables to communicate the credentials and endpoint. NOTE: Your Access Token Determines the digitalocean account

pdb is python's official builtin debugger. It lets you step through your code line-by-line, testing values until you find a problem. python -m pdb test

UFS is traditionally a BSD filesystem. FreeBSD gpart destroy -F /dev/da0 # destroy partition table gpart create -s GPT /dev/da0 # create partition table

Library to help identify cause of memory leaks in your program. import objgraph objgraph.show_most_common_types() # graphviz object references by class

Scaffolds allow you to very quickly create a CRUD representation of something on your website in one step. It creates: model views (create, delete, update

must be current, and without changes git repo-top must be accessible (if using submodules, must have the top-most level .git directory) avoid permissions

if foo in bar -%} Key = Value {% endif -%} dictionaries can be accessed using periods instead of [] {% set foo = {'a': {'b': None}} %} {{ foo.a.b }} You

print "match found"; } }' #> match found The matched text is identified using global variables. RSTART // the first matching character RLENGTH // the number

will set up a folder-hook that sources account settings when mailbox is loaded. # ~/.mutt/muttrc folder-hook work/* source +/.mutt/folders/work

${PACKAGE}/source/conf.py extensions = [ 'recommonmark', 'sphinx.ext.autosectionlabel', ] autosectionlabel_prefix_document = True # allow use both .rst

boto3 is a module used to control amazon AWS services from python. Boto3 controls Amazon AWS services using various clients attached to a single session

If you aren't running a webserver, you can use the certbot standalone renewal. It will spin up it's own webserver just for the cert renewal. Generate Certificate

expose https://nodejs.dev/learn/expose-functionality-from-a-nodejs-file-using-exports

Generally, cbsd is used similarly to vagrant. Build instructions are written to CBSDfile, and the server is built using sudo cbsd up. # pass params by

markdown syntax. # ${PACKAGE}/requirements.txt sphinx myst_parser # ${PACKAGE}/source/conf.py extensions = [ 'myst_parser', ] # some title Some `text`. An [external

also supports javadoc style comments /** <summary>blah</summary> */ Tags You use XML tags in your class. /// <summary> Description of blah <c>inline-code</c>

at is a tool that schedules a job to run once, at a specific time. You can combine with notify-send for reminders. These jobs persist on reboot. sudo pacman

nixos are each separate systems and each have their own configuration. This page documents the nix package manager component. You may also be interested in

Timer files can be used to control when a systemd service of the same name runs. It is similar to cron. Vdirsyncer is a good example. # /etc/systemd/system/vdirsyncer

Plugin for ruby rbenv that downloads/uses ruby gems within your project directory (to keep gem isolated from each other, and avoid version requirement

Groot is my fileserver. music, games, movies, backups, VMs etc. It is named after an ent-like character from Guardians of the Galaxy movies/comics that

Xbindkeys is a higher level abstraction overtop of xmodmap. It allows you to bind keys to bash one-liners. xbindkeys --multikey # capture keycode for multi-key

libcaca coverts images to coloured ascii art that you can view within your terminal window. You can also integrate it with mutt so that you can get image

Mocks are a tool to help you keep your unittests isolated. you can substitute a parameter with a mock object (and assign return values to it's methods)

NOTE: in addition to installing talon itself, you'll need to install one of it's speech recognition modules. See talon configuration for details. NOTE:

wavio is a simple library for reading wavfiles into numpy arrays, and converting them back into numpy arrays. NOTE: Personally, I found the private methods

Designed for Xbox One S v2 controllers over bluetooth. Full feature support, and confirmed working even through wine/proton games. For wine/proton games

config ~/.local/share/zathura program data, notably history (with current page info)

[ -e ~/.bashrc ] && echo "path exists" [ -f ~/.bashrc ] && echo "file exists" [ -d ~/.vim ] && echo "dir exists" [ -L ~/.bashrc ] && echo "symlink exists"

begin with @ instance variables are defined in the constructor. they cannot be read/written unless they are declared with an accessor a getter/setter method

mailcap associates mimetypes with commands used to display them. TODO: learn more about mailcap Format # %s is the file # if %s is none, contents passed

Tarsnap is a tool to encrypt/backup files remotely. You're charged for transfer, and total stored bytes. pacman -S tarsnap # archlinux pkg install tarsnap

A very modular video player. sudo pacman -S vlc \ `# dvd playback` \ libdvdcss \ libdvdnav \ libdvdread \ `# webcam playback` \ v4l2-utils `# linux only`

# supported natively - use nvidia surround - configure fullscreen - set resolution in game to 5760x1080 pitch up: (y-axis down) pitch down: (y-axis up)

# system tray - safari - mail - phone - imessage # keep - calendar - photos - notes - settings - contacts - maps Settings > Keyboard: - [ ] Auto-Correction

feh is a simple tool for viewing images. You can view a directory as thumbnails, individual images, or set wallpapers. pacman -S feh setup-x86.exe -q -P

install -y Microsoft-Hyper-V-All -source windowsFeatures choco install -y Microsoft-Windows-Subsystem-Linux -source windowsfeatures Invoke-WebRequest -Uri

Recognizer() while True: with mic as source: recognizer.adjust_for_ambient_noise(source) audio = recognizer.listen(source) text = recognizer.recognize_sphinx(audio)

screen gets annoying. Originally I solved this by using xdotool, but due to it's interference when using controllers in games, I switched to a much cleaner

class CustomError extends Error { /* ... */} ecmascript <6 stack-overflow // source: https://stackoverflow.com/questions/464359/custom-exception-type function

public: MyClass (int, int); // constructor ~MyClass; // destructor }; // source MyClass::MyClass (int a, int b) { cout << "constructed with args" << a <<

test.py 'a' 'b' ## Separate trepan options from pythonScript options ## using '--' (like xorg) from trepan.api import debug debug()

you can use this to have multiple independently stacked vert-splits After choosing a location for i3's IPC socket, you can communicate with it using the commandline

# Firstly, log packets affected by your 'block-everything' rule # using the syntax: `block log all` sudo tcpdump -n -e -ttt -i pflog0 # watch log sudo

and Oracle. oracle jdk Must acquire license to use commercially. Comes with additional tools. Built using openjdk.

required You can cache the private key's password after login using gpg agent echo "text" | gpg --encrypt \ --armor `# (opt) chars restricted to ASCII`

a unique filename. I started embedding zipfiles within the archive, and using .bat files to extract/run the desired program WARNING: CAB files have a maximum

shell in current dir :bulkrename " display selected filenames in vim, rename using vim You can perform more complicated bulk renames with vim itself. " populate

I've found the following pattern very flexible while using model/view in Qt. It allows you to reuse behaviours (in form of QActions) in different model/view

the install environment is suitable for your project using classifiers. import setuptools setuptools.setup( classifiers = [ # Project Maturity 'Development

}, "tagline" : "You Know, for Search" } ElasticSearch is interfaced with using HTTP methods. The query itself is encoded in the JSON payload. curl -X POST

:messages) You can see the history of printed output (at least echom output) using :messages There are other variations on echo, see help echo. call delete

"<anything>-NOTFOUND" # ==== # True # ==== #.. any other set variable.. MESSAGE( "Using Home Directory: $ENV{HOME}" ) # environment variables are in the namespace

cmder is the closest that I have come to using tmux natively on windows, and that makes me very happy. tmux-style panes unix-style tab completion tabs

functions allow you to change context and return without losing context. You can use this to create infinite loops, factories, etc. Similar to python generators

Lisp is dynamically typed, a variable can contain any type of value. It's type is determined by the contents. (defvar my_variable "my_variable_value")

created in the _drafts directory. A post's name must use valid-URL characters (no spaces), and use the extension of your desired markup language. touch

The Archlinux ABS system allows you to modify and alter/recompile packages from the official repos. pacman -S asp # tool to checkout specific port asp

but it is intended for macos. I'm not sure I can depend on shadowenv. Maybe use direnv instead. pacman -S rust git clone https://github.com/Shopify/shadowenv

A fully cross platform keepass implementation. see also keepassxc-cli. sudo pacman -S keepassxc # archlinux gsudo choco install keepassxc # windows Aside

This page is to help me with the transition, creating bridges between information I know in python, and what it's equivalent is in cpp. sizeof(va ); //

NOTE: # cat /etc/os-release # innacurate if freebsd-upgrade used # uname -a # innacurate, jails use host kernel freebsd-version # prints version (confirmed

Some programs make use icalendar, but extend it with additional fields. Thunderbird has a feature that lets you perform a snooze operation on alarms or

const http = require('http'); const server = http.createServer((req, res) => { res.statusCode 200; res.setHeader('Content-Type', 'text/html'); res.end('<h1>hello

NULL # null TEXT # a string INTEGER # integer (no bool!) REAL # floating point number BLOB # blob of binary data, stored exactly SQLite does not have a

# All Tables SELECT name FROM sqlite_master WHERE type = "table" PRAGMA table_info(table_name) # Columns in Table PRAGMA index_list(table_name) # Indexes

Each discord account will need to be registered within bitlbee. (bitlbee supports connecting simultaneously to multiple discord accounts). account list

If you stubled on a lucrative job, and want to record it: - 4: view right display - status: ? # list recent jumps (identify recent jumps) - 1 > galaxy

Launch after another VR application, and it allows you to embed/control windows within your VR headset. - SteamVR > Settings: # outside of VR - startup/shutdown

Dovecot is an IMAP server. You can use it to receive email. TODO: this page is a mess Create Self-Signed SSL Certificate openssl genrsa -des3 -out dovecot

conf vt.kern.vty = "sc" # enable syscons export TERM=xterm # required to use vidcontrol command kldload vesa # unless already loaded vidcontrol -i mode

Streams are the primary interface for dealing with functional programming paradigms in java. Streams are covered in much greater detail in java datatypes

FTP (File Transfer Protocol) is a client/server way of exposing/downloading files. This documentation refers to the FTP commandline client. # connect to

You can get a list of all of the builtin predefined exceptions here: https://docs.python.org/2/library/exceptions.html You can also define your own custom

Rails rails new -h # subparser help rails --version # print rails version rails server # start server (default) http://localhost:3000 rails console # pry

$cwd = get-location # save output of cmdlet to variable $cwd # print variable $cwd | get-member # pipe objects to get-member to present information about

Supports book formats pdf, epub, fb2, djvu, mobi, azw3, cbr, cbz, cbt etc. Archive formats zip/rar/tar And synchronization over CIFS/SMB! WARNING: superceeded

Highly configurable cross platform turn-by-turn GPS navigation app. Mobile friendly layout. sudo pacman -S navit See mmcli Download a mapset # Interactive

functionality. Weechat comes bundled with it's own package manager you can use to install these scripts. /script search vimode # search /script install vimode

Avahi is a linux mdns implementation. It allows you to resolve hostnames to ip addresses over your local network. sudo pacman -S avahi sudo pacman -S nss-mdns

warned, it's a bit of a CPU-hog. Supports up to 8x controllers. WARNING: use xone now instead pacaur -S xow-git systemctl enable --now xow.service # enable

Xorg is mostly self-configuring now, but you can still configure it with files. sudo Xorg -configure :1 # autoconfigure xorg in /root/xorg.conf.new (change

Dropbox was great. I still haven't entirely replaced it. It's insecure, proprietary, and received an update that broke compatibility with the CLI tools

Python's futures module introduces the concept of Executors and Futures. It reduces the overhead required to run asynchronous code. An executor is initialized

i3blocks is a menubar designed to be used with i3 similar to xmobar/dzen. pacman -S i3blocks pacaur -S i3blocks-contrib # additional scripts i3-msg restart

commit() conn.close() By default cursors are a tuple. If you'd like a dict, use the sqlite3.Row row factory. conn.row_factory = sqlite3.Row cursor = conn

filesystems in /etc/fstab dump -D /mnt/usb/profoak/current/dumpdates \ # Dump uses the file dumpdates to perform -0Lauf /mnt/usr/profoak/current/ada0p2.dump

in terminal Terminal > Preferences: - Profiles > Basic > Keyboard: - [x] Use Option as Meta key Terminal > Preferences: - Profiles > Basic > Shell: - When

docs https://maven.apache.org/plugins/maven-javadoc-plugin/ official 'usage' page https://maven.apache.org/plugins/maven-javadoc-plugin/usage.html official

gdb python2 run systems/core/myscript.py # when a segfault occurs, you can use the standard # gdb options to display the full backtrace bt Debian Debian-based

remote imap account. Unfortunately, not builtin to neomutt. WARNING: I haven't used this yet Compile mutt with patch mbalias work imaps://user@mysw33thost.com/

Cancan is a framework for defining/granting/checking permissions for an ability. WARNING: cancan has been superceeded by cancancan class Ability include

(tab-completes) # tagging # ======= T $REGEX # tag messages mathing regex t # toggle tagged ;$CMD # perform mutt-command on all tagged # ex: # T Paystub # tag all messages

Manager. A pool can be composed of one or more VDEVs VDEV Virtual Device. Can use various GEOM-providers (raw-disk, geli-partition, gpt-partition, ....) Because

open steam console: steam://nav/console - open Steam Client Bootstrapper - use download_depot command # download_depot <appid> <depotid> [<target manifestid>]

This page describe's redis' native protocol. Libraries may abstract it, but the base featureset is exposed here. KEYS '*' # list all keys TYPE key # return

'track' representing stream mpc add http://foo.com:8000 # alternatively, use vlc http://foo.com/mpd.ogg

Logging is super important, I'm keeping this page short so that it can be used in emergencies. Some quick facts: nftables logs directly to dmesg. nftables

A Community-driven package manager for osx. See also macports . NOTE: brew aims to reuse macos-provided libraries, instead of installing own copies. This

proprietary/paid messaging platform. A desktop client is available, or you can use it from a web browser. pacaur -S slack-desktop ctrl-k # jump to channel ctrl-shift-k

options = {}) # format the object end # @author will pittman # @deprecated deprecated in favour of {#foo} # @!attribute [rw] name # @return [String] a

versions, similar to python virtualenv. Successor to ruby rvm. Consider using ruby chruby instead. # macos sudo port install rbenv sudo port install ruby-build

20px; } HTML is expressed using html elements expressed in tags (ex: <div>). Tags are opened/closed <div>...</div>. Some tags may have attributes. <img

package: fusefs-ext2 # NOTE: there is a port sysutils/fusefs-ext4fs but it is deprecated # in favour of fusefs-ext2 mount -t ext2fs /dev/ad1s1 /mnt Linux You cannot

(builtins.fetchGit { url = "https://github.com/DavHau/mach-nix/"; ref = "refs/tags/3.1.1"; }) { python = "python38"; }, extra_python_requirements ? [] }: let

baikal's source code, in particular $_SERVER[] references (which refers to http headers) was very helpful for configuring the reverse proxy. Baikal uses the

vader/jellybeans vim plugins and executes tests. """ description = 'run vimfile tests (using Vader.vim)' # --interactive/-i # --xml user_options = [ ('interactive', 'i'

SOURCE="$(readlink "$SOURCE")" [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path

interface (eth0) SRC source ip address DST dest ip address LEN TOS PREC TTL ID PROTO networking protocol (tcp, udp, ..) SPT source-port DPT destination-port

py autoload/ Only works if wee-slack is pre-approved. /slack register # Source https://www.nicksantamaria.net/post/slack-token-from-web-interface/ https://github

Views are the actual HTML websites, formatted using templating logic. They are preprocessed using ruby eruby, and have access to all @instance_vars on

nested path using Module.nesting. module A module B class C def print_nesting puts Module.nesting # [A::B::C, A::B, A] end end end end Rails 6+ uses ruby zeitwerk

their key-codes. Look up what your keyboard registers for a button press using xev. xev # get keycodes for keyboard buttons (raw) xbindkeys -k # get keycode

config/gtk-3.0/settings.ini Qt themes are set in ~/.config/qt5ct/qt5ct.conf using qt5ct pacman -S lxappearance # gui conifigure gtk-themes pacman -S qt5ct

weather - omnistat: memory - omnistat: cpu - calendar Instead of using itunes, I've opted to use flacbox. It allows you to define an SMB share, and browse/download

npm is the nodejs package manager. It can be used to install packages to your os, or you can use a package.json file to manage a project's dependencies

properly (it will return the route without the sublocation). You can fix this using: https://github.com/antarctica/flask-reverse-proxy-fix This is caused when

CTests (*.cmake files run using ctest executable) Each type of file has it's own set of available commands. script commands can be used anywhere. project commands

codemod is a fantastic, and flexible tool for refactoring your code and previewing changes as you go. Regex, and multiline-regex are both supported. NOTE:

taking notes. While you're in Visual Block mode, you can block out a chunk and use '\a' '\b' '\l' and others to convert the selection into another type of drawing

this.printx.bind(B) } // this.printb uses value of 'x' from 'B' printx() { console.log(this.x); } // this.printx uses value of 'x' from 'A' } const a = new

siblings[0] student.skills.drawing student['skills']['drawing'] Objects can also be used in place of classes. function Student(name, age) { this.name = name this

QWidgets make extensive use of an eventloop to communicate between each other, and handle widget construction/deletion. Any code making use of signals/slots requies

NOTE: There is no such thing as ruby packages. Only modules, and namespaces. #!/usr/bin/env ruby -w This is how you import the module. paths can be absolute

python rope is a library for refactoring python code. ropevim is a vim interface to this library. # vimrc Plugin 'https://github.com/python-rope/ropevim

number of args console.log(arguments[2]) // the 3rd arg } foo(1, 2, 3) You can use ...var to expand an array as function parameters. Like splat, or list expansion

Sphinx is made to be extremely simple to run, a makefile is created in your configured directory (generally doc), you simply need to go in there, and type

Sidekiq lets you run background jobs in ruby. Queues must be configured in advance. Queues may be assigned a priority score by setting them within a list

msiexec /log log.txt /i file.msi It is possible for a user to not be an administrator, but be assigned some administrator privileges. If the GUI indicates

decorator the decorator returns the wrapped function Here is an example I used to mock `input` vs `raw_input` in python 3/2. def mock_input(return_value):

DNS lookup host google.com # output: # tcpdump: verbose output suppressed, use -v[v]... for full protocol decode # listening on wlp3s0, link-type EN10MB

REM read file line-by-line set TEXT_T="C:\file.txt" for /f "eol= tokens=* delims= usebackq" %%i in (%TEXT_T%) do ( echo %%i ) REM count lines in file FINDSTR

# /etc/rc.conf pf_enabled="YES" # enable service gateway_enable="YES" # set if you will be NAT, or forwarding packets to other servers pflog_enable="YES"

preference) mklink /d C:\mnt\movies \\hostname\movies map share to drive-letter NET USE x: \\hostname\share /USER:<user> <password> /PERSISTENT YES mount from commandline

cierzo: - eggs - fish - seaweed - raw meat - turmmips # beetles - ochre beetles - gravel beetles # minerals - mana stones - salt swamp: - blood mushrooms

Bug.N emulates dwm in windows. It struggles a bit with some application windows (like file browsers). # Disable Win+L Hotkey (lock machine) reg add HK

Only StandardError and subclasses interrupt execution (this is the default exception) begin # try rescue # except rescue Exception => exc # except Exception

custom vimode keybindings can be configured. /script install vimode.py Use ctrl+space to enter normal-node. /vimode bind_keys ctrl-Wx /command # bind normal-mode

MSVC (visualstudio) is window's official compiler (that that platform is built around). Visual studio versioning is frustrating, but wikipedia has a fantastic

Most of the bash Programs: coreutils are designed to used together in a pipeline. The output of one can be redirected to the input of another. Example

header, servername $http_host # Host header value $https # "on","" if SSL used $request_method # the HTTP method (GET,POST,...) $request_uri # original

Support SQLAlchemy query syntax within API routes # list entries in table 'users' where column 'age' > 30 curl -G \ -H 'Content-type: application/json'

There are two variations of tensorflow available - one that uses NVIDIA gpus, and one that uses the cpu only. I haven't had success installing cuda/deepspeech-gpu

A semi-automated program to facilitate installing/updating archlinux arch AUR packages. Params mirror those of pacman, and it prompts you for code review

Deoplete aims to serve purely as an autocompleter. It is the first asynchronous autocompleter for vim, and is much faster than VimPlugin: YouCompleteMe

# local variables variable = "some string" # local variables lowercase variables, start [a-z_] _variable = "some other string" # global variables $variable

Chart is a go program that makes it easy to render diagrams both inside your console and out. go get -u github.com/marianogappa/chart # ? cd ~/go/src/githug

By convention, main.c is the target to be compiled into an executable. When built/run, the contents of the function int main() is the code that actually

user authentication. See htpasswd for notes. NOTE: Most systems that use htpasswd use the C crypt library to compare password hashes. Crypt's algorithms

A USB microphone. NOTE: hold rear button to toggle enable/disable live monitoring of recording (hearing your voice). Where applicable, the output frequency

Vim's quickfix is a global window that you can populate and use to jump between files. Vim's loclist is a window-specific window that behaves the same

interpolation t('key', price: "${price}") # alters substitutions of 'price'. use a variable for regional t('key', price: "{price}$") See #l method (localize)

the bar, or pipe information to a particular section of the bar. I like using it because I can pipe notifications to all of my tmux statusbars (which means

more readable. https://github.com/so-fancy/diff-so-fancy NOTE: I've stopped using this globally. It wasn't working consistently everywhere. Instead, I really

for libsamplerate. It can use a variety of algorithms to adjust the samplerate of a wavfile expressed as a numpy array using a multiplier. It cannot convert

Many of Qt options are set with binary numbers, and are operated on using bitwise operators. # int to binary bin(2) #>> '0b10' (ignore '0b' prefix) # binary-str

* This is a documentation-comment (doctag) for MyOtherClass. * html tags can be used within javadoc comments. * */ public class MyOtherClass { /** * Prints

speakers pacmd set-default-source ${SOURCE_NAME} # change default mics pacmd list-sink-inputs # all played audio streams pacmd list-source-outputs # all recorded

element --> Tags may contain attributes (<tag a="a" b="b">...</tag>) Tags may also be assigned a text value (<tag "text">...</tag>) Namespace <tag xmlns="http://www

JAVA_HOME=/usr/lib/jvm/default # which JDK version should be used? mvn package # build jar from source java -jar target/package.jar # run compiled src Maven is

up jails with networking. It is much simpler to do this as of FreeBSD-11 using jail.conf # /etc/rc.conf # In Jail config in rc.conf, you can share a network

They are assigned a value by adding a tag to the healthcheck resource with the key 'Name'. see client.change_tags_for_resource. client.list_health_checks()

filename. The last line should be a modeline that at the very least specifies to use ft=help " navigate to your vim plugin's rootdir :helptags doc/

ctags recurses through your source tree, and records classes, methods etc. Currently, the most active derivative of ctags is universal-ctags . ctags (bsd

NOTE: the man page is very succinct, and helpful. divided numerically into components # src # dst # filesystem # mount-opts # dump # fsck /source /dest ext4

local-variable - Local to a function. s:var " script-variable - Local to a :source ed Vim script. a:var " function-argument - Function argument (only inside

economy and filter by product (aluminium, beryllium). Make your selection using the ShowAll/Clear buttons or by dragging over the boxes.

the cause of my problem. player.moveto player This bug came up when I was using a mod that had only partially been installed. player.moveto 0002f25 # move

to echo or test your variable within that scope instead of using the syntax echo %variable% use the syntax echo !variable! @setlocal enableextensions en

cropping/resizing. pacman -S graphicsmagick gm display img.png # right click for options Using identify format you can pick out the information you'd like to obtain from

your UTC offset. NOTE: You can do this yourself, but I highly recommend using python pytz instead. WARNING: You should always immediately sanitize all

k-json-file version syntax https://nodejs.dev/learn/semantic-versioning-using-npm/

device such as a CDrom. User Info: A list of computers that can be contacted using the network without a domain name service. If the hostname of a different

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } If you are using a webapp that is aware of the host, you may need to specify the protocol

mimetypes. It operates using the XDG Mime Applications system. See Also mimetypes. Open # use default program to open URI xdg-open [URI] # use default application

The order that dialogs are presented to the user is determined by the msi InstallUISequence table. NOTE: The 'next_control' values must form a cycle. ex:

msilib errors can be a bit cryptic, particularly when they do not offer any context. Windows Installer Errors will look like the following # +--- error-code

'email' rg -g '!*/test/*' search # exclude paths matching */test/* (-g can be used multiple times) rg -i search # case insensitive search rg -uuu search # ignore

Mailers let you use the rails to format and send emails. Mailers are special controllers inherit from ActionMailer::Base . Individual mailers generally

use break to exit a loop early. break // exit loop early continue // skip to next iteration // initializer; exit-condition; each-loop for (let i = 0; i

@echo off REM Calling verify with no args just checks the verify flag, REM we use this for its side effect of setting errorlevel to zero verify >nul REM Attempt

The Arch User Repository is an un-verified community managed repo of packages. It adds additional packages not available in the standard archlinux repos

PyQt4, PyQt5 if defined, use this binding.

putenv('TTRSS_DB_TYPE=mysql'); // new define('TTRSS_DB_TYPE', 'mysql'); // old (still used by some plugins) Required Settings <?php putenv('TTRSS_DB_TYPE=mysql');

YAML is a superset of json, that layers on several additional featurs: anchors/reference enable reused data indentation based nested datastructures comments

This can be accidental, but generally it means that a device needs to be resilvered. If you have permanent errors, you can't resilver, the device remains

JUNIT-5 <!-- https://mvnrepository.com/artifact/org.mockito/mockito-junit-jupiter --> <dependency> <groupId>org.mockito</groupId> <artifactId>mockito-

com/fullchain.pem The proper way to do redirection is by returning HTTP 301 (page permanently moved). Under the hood, this is what happens when AWS's route53

Install via steam NOTE: the elite launcher does not like being unfocused/refocused. keep your mouse centered on it! WARNING: dotnet40 is broken in wine-5

This nginx module lets you reuse the same port to direct different types of traffic to different ports. For example, you can handle HTTP/HTTPS/SSH all

Okta is a proprietary identity authentication service. NOTE: I was able to complete authentication, but never figured out how to access resources behind

frames/second) channels: 2 # 2-channels (stereo) sample-width: 2 # ? pyaudio will use your system to determine default devices, but you can have a little more control

// { prefix }.{ package } package com.willpittman.helloworld // (inverted url) http://helloworld.willpittman.com There are two components to a packagename

wheel but isn't user will) only wants read access to the files chmod can be used in 3 ways: manually defining (u)ser, (g)roup, and (o)ther permissions, one

implementation changes public QuickRefException(String message) // must be public to use outside of package { super(message); } } Throw Custom Exception void throw_exception()

provide it's attributes/methods. Where possible, it is generally preferred to use interfaces rather than subclassing. It is also encouraged that you program

DESCRIPTION: # quick single node kafka server to play with. # # INSTRUCTIONS: # # use `docker-compose up` # # docker build \ # -t kafka-ubuntu:latest \ # . # FROM

# build image (if not exist) [ ! -z $(docker images -q my_image) ] \ || docker build -f Dockerfile -t my_image . # build container docker run \ --name

will be detected and used if present New files, from commandline touch foo.gpg nvim foo.gpg # a split will appear. add email key to use (gpg --list-keys)

JSGF is a language that describes a (spoken) language's grammar. It was written by Sun Microsystems. #JSGF V1.0; grammar nav_commands; public <direction>

Search files and directories. The man page is very good and has several examples. This page is essentially a cookbook. Also see bsd find. Unfortunately

Watchdog is a cross platform python module that monitors filesystem events (instead of repeatedly polling the hard-drive), and notifies python scripts

Your basic print, like echo. Multiple items can be printed separated by a comma. They will be output with a space between them by default. $0 prints the

Extension that enables syntax highlighting using python pygments. Install php requirements First, verify the following php plugins are installed, and available

pointers are **NOT** arrays, despite them being treated similarly to one. Using sizeof measures the size of the pointer, not the array. // a pointer is just

all pretty well documented, but here are the asserts that I find myself using most frequently. Asserts that a function was called at least once with this

request urls) use dig to see how long the DNS resolve actually took try using the ip address directly and compare results test using ping test using traceroute/tracert

betweeen <math></math> tags. MathJax will render it client-side provided that JavaScript is enabled. The current method of using mathjax. This has replaced

Natively supported. Ensure all monitors are spanned across a single screen using Nvidia-surround or AMD-eyefinity. All monitors must share a display resolution

true; You can also log mediawiki to a file. If you take this route, consider using logrotate to keep the log size down. $wgDebugLogFile = "/var/log/mediawiki/mediawiki

target Your tty generally uses uses your videocard to render the console in a framebuffer. The resolution is controlled using modesets. If you are having

ability to reach IPV6 using one of google's DNS servers. See wikipedia for addresses. nc -6 -vz 2001:4860:4860::8888 53 ipv6 uses the same default ports

blocking Use sudo tcpdump -n -e -ttt -i pflog0 port 5555 to watch blocked traffic. If that does not work, check the actual interface for clues. If using vnet

secure method of passwordless SSH authentication. You can create a keypair using various algorithms, ed2559 is currently considered the most secure. ssh-keygen

Files/Common Files C:/Program Files/Adobe # Clone Latest Wine git clone http://source.winehq.org/git/wine.git wine-git # Apply Brush Patch cd wine-git patch -p1

long-lived zpools. # lists version of all detected pools # '-' indicates you are using feature-flags instead of a release-version zpool get version ${pool} # add

Dialog saves it's result to stderr by default. You can change this using the --stdout parameter. VAR=$(dialog --menu 'Choose' 10 10 10 \ 0 apples \ 1 oranges

variation Say Hello </button> ); } } You can bind arguments to the event-handler using lambda expressions in the event-handler. // if the method signature accepta

execute. WARNING: if installing direnv with the intention of using it alongside nix, use nix to install it pacaur -S direnv # archlinux nix-env -i direnv

states, without any imports, you can access saltstack's internal information using variables that are magically added to the scope. __salt__['cmd.execute']('ls

/compat/* /home/js/melody/compat/ mount -t linprocfs linprocfs \ `# (didn't use, seems ok so far). Should really add to fstab` /home/js/melody/compat/linux/proc

back in for change to take effect. NOTE: Tabs are irrelevant, now that I'm using tmux Allows you to change colourschemes on the fly in urxvt. cd /usr/lib/urxvt/perl

features to come. It is helpful, but not a silver bullet. In particular, using unicode_literals can cause issues with libraries that are not built to support

the jails... See https://forums.freebsd.org/threads/openvpn-server-in-jail-using-a-tun-device.22143/ # /etc/rc.conf # creates 'tun0' on every boot # (place

higher layer. If a file exists in both layers, the higher layer's file is used. # mount a single lower dir with a higher dir mount -t overlay overlay \

variables are user variables by default. If you desire a system-wide variable, use the prefix * in the column Name. This precedes the prefix to designate add/remove

Dream Machine router. TODO: I really dislike needing a web registration to use my router. Replace Unifi OS with FreeBSD. - factory reset: bottom of unit

COC exposes language servers to vim, you'll need them to perform completion etc. You can have multiple language-servers running at once on the same language/file

which process is talking process startup is configurable (say you want to use with 2x workers instead of 1x) foreman start -c ${var1}=foo,${var2}=bar #

pacman -S openssh # powershell Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0 # server Add-WindowsCapability -Online -Name OpenSSH.Client~~~~0

Macports is a community driven package manager for MacOS. Unlike brew, macports manages an entirely separate copy of executables/libraries - less problematic

Like javascript, nodejs is single-threaded. There are 2x ways things get executed in nodejs. the call stack (last in, first out) the queue (runs when call

xf86-input-wacom # Use kernel driver sudo packer -S wacom-udev # udev rules, /dev/* name reboot From the Wacom Tablet Properties, uncheck Use Windows Ink. Your

Install nix curl -L https://nixos.org/nix/install > install sh install --daemon # in new shell # (if nix permission error, reboot, try again) nix-shell

studio)) Keyword arguments are optional arguments. The order that they are used does not matter if you assign their value with an '=' sign. def insult_age(username

of several libraries, compilers, the CLR, etc. The Dotnet framework can be used by several languages. CLR Runtime Environment that can run IL code within

matplotlib is a python module that facilitates creating graphs, scatterplots, and various other data visualizations. You may also be interested in python

scanner goggles g: terrain modifier HOTAS setups are not supported natively. Use x360ce to map your HOTAS to xbox360 controller controls. NOTE: you may need

runners (ex: wine, steam, wine-steam, ..). To install games, from lutris: - Sources: Lutris (click user icon) - do: login - choose: community installers - search:

upgrade) from http://{domain} or http://{domain}/admin/index.php. If pompted, use digest instead of basic for your authorization scheme NOTE: vdirsyncer dropped

version if not a part of that version range. Determine versions of salt being used sudo salt '*' test.version sudo salt-run survey.hash '*' test.version # (more

A package manager for ruby libraries. You may also be interested in the ruby gemfile, and ruby bundler. GEM_HOME= # where gems are installed GEM_PATH=/a/b:/c/d:/e/f

Readable Code similar code-silhouettes make code easier to skim similar items should have similar silhouettes do not duplicate comments, easier to maintain/update

within the game, press Escape Settings > Display near bottom, can change HUD colour, and pipboy flashlight colour C:\Users\will\Documents\My Games\Fallout4\Fallout4

Used to associate default programs to mimetypes. /etc/mime.types Associates mimetype to file extensions # /etc/mime.types # (sample) application/pdf #

http://unix:/usr/local/www/website/serv.sock; } } There are several HTTP headers you can use to assist this proxy in behaving properly. location / { proxy_set_header X-Forwarded-Host

tracemalloc is a memory profiling tool builtin to python-3.4+. get traceback where item was allocated where memory was allocated (by line number, which

system is different from both python/cpp. Modules are assigned to packages using a statement in code, which does not necessarily have anything to do with

difficult to merge. While everything appears good, I don't trust it. I'm using git-patch from the branch instead. pacaur -S git-filter-repo WARNING: paths

expects remote machines to share a similar environment to the machine you are using to control them. Every controlled machine must have a python interpreter

the internet) Assign multiple IP addresses to a network interface. commonly used for assigning IPs to jails. # /etc/rc.conf ifconfig_em0_alias0="192.168.1

renders math alright on Special:MathStatus Simply write tex between math tags. Here are some examples: Some of the more common items. \texttt{my-variable}

select columns for x/y (using col2==x, col3==y) # # INPUT: # foo 1 2 # bar 2 5 # baz 3 7 plot "out.csv" using 2:3 with lines # using x:y # 3x lines, a sample

Class#method(Type id, Type, id) @see package Block/Inline Tag-Formatting JavaDoc comments use tags to communicate special information. These are rendered

what I need it to do. https://heiko-sieger.info/running-windows-10-on-linux-using-kvm-with-vga-passthrough/ https://rafalcieslak.wordpress.com/2014/08/15/

install compiled project exit # return to powershell MinGW is GCC for windows. Using mingw you can cross compile your project from any of the following to any

does not have any dynamic configuration. To make changes, you change the source-code and then recompile it. Most options you'll be interested in (keybindings

independent IPs. # The jail itself can have any number of ip addresses, using bridge0 as it's gateway. # # # / (a) +- epair0(192.168.20.2) --> (b) -> JAIL1(10

change your shell using chsh. If you do not want a user to be allowed to login, you can use the special /sbin/nologin shell which is used by system users

choose the colour it should be displayed in. Khal's configuration is parsed using python configobj, but you can also parse with builtin python configparser

benefit a lot from their updates so rather than using the wine version from the repo, I have decided to use the bleeding edge version from git (see above)

/etc/periodic.conf # It may need to be created # Disable Unneeded Sendmail (using postfix) daily_clean_hoststat_enable="NO" daily_status_mail_rejects_enable="NO"

out.vdi # also remove original Guest sudo cfdisk # use cfdisk to resize disk SSH problems when using vagrant are an enormous pain because they prevent you

keyword-arguments a + b + c my-function {a="A"; b="B"} "C" # invocation using set-param requires a set "ABC" Default param values my-function { a ? "A"

car, you might have an attribute speed. You would control that attribute using the methods accelerate() and break(). class MyClass(object): # class <name>(

connections over localhosts using an alternative hostsfile # see: man gethostbyname env HOSTALIASES=/foo/hosts \ wget --recursive \ --page-requisites \ --adjust-extension

performed (if var is changed to?) myproject.do(changes) # Perform changes Using ropevim, greatly simplifies it's usage. It gets variable/function names from

unlike nftables, the last matching rule is applied (unless quick keyword is used) config # /etc/pf.conf ext_if="vtnet0" ext_ports="{ 22 80 443 }" # sudo tcpdump

foldtext=GetLangFoldText() when your foldmethod is set to syntax, you are using regex values outlined within that language's syntax file to determine where

provided by zfs-stats. zfs-stats -M # summary of memory usage # simulate zpool using file dd if=/dev/zero of=/tmp/mypool bs=1M count=128 zpool create mypool /tmp/mypool

they refer to a filter of the same name. You can also specify the filter using the filter key. [DEFAULT] # applied banactions read from 'action.d/nftables

eclim allows you to use vim as your editor, while using eclipse on the backend for autcompletion, refactoring, navigtion, etc. Firstly, confirm these instructions

/sys/module/kvm/parameters/ignore_msrs NOTE: This is only necessary if you intend to use tap interface. (I normally don't) sudo ip tuntap add dev tap0 mode tap sudo

snippets-fileformat to use let g:snipMate { 'snippet_version': 1 } Basics: By default, triggering completion is bound to tab key. If there are multiple matches, use ctrl

how an object behaves. comparison A context-manager object allows you to use it in a with statement. When either an unhandled exception is raised, or the

See java modifiers. class MyClass{ public void punch_me(){}; private void punch_you(){}; protected void set_health(int health){}; } Notice that the constructor

os.path.expanduser('~/.vimrc') os.remove('/path/to/file') # deletes file, or empty dir shutil.rmtree('/path/to/directory') # recursively deletes directory

rspec is a testing framework for ruby. It grew out of behaviour-driven-development. gem install rspec cd yourproject rspec --init # create new testproject

Keybindings Ctrl -> Capslock # used to this Ctrl-> End # if pinky is tired Alt -> Backspace # most oft used modifier Win -> Delete # used often for WM controls

salt zfs-linux spl-linux Customize global package build options. You can use alpm-hooks to run scripts when matching packages or files are changed. # /etc/pacman

continue # skip to next iteration break # stop looping list=(a b c d) for ch in ${list[@]};do echo -n $ch done #> a b c d list=(a b c d) for i in "${!list[@]}";

if you configure vscode to use neovim on the backent. set [no]hlsearch While vscode does have Outliner which approximates TagBar, there is so much information

Replaces linux devfs beginning with linux kernel-2.6 Responsible for managing the /dev virtual filesystem, populating it with nodes representing devices

/begin{math} \[x^2\] /end{math}

Starts NOTE: no matter what permissions are set, on linux I cannot seem to use the download dir /mnt/storage/games/steam. Uncertain if the culprit is the

713e to your project. # ${PROJECT}/config/initializers/${ANYTHING}.rb # source: https://gist.github.com/castwide/28b349566a223dfb439a337aea29713e # # The

actively maintained fork of newsbeuter. NOTE: unfortunately, cannot open in tags # comment `foo` # commands between backticks are executed in shell You can

It allows for variances like: building packages for various languages (using make/cmake) resolving dependencies for internal/external packages, software

html/header/body tags, sources stylesheet, view gets rendered within here. If a layout whose name matches your controller exists, it is used by default. Otherwise

package format description sdist source distrobutions are simply .tar.gz archives with all of the files configured in your setup() function. These are

worked around by using a list or a dict, and rather than using set to set the value, use do to update/append a value. Lists/Dicts when used this way have

-re #freebsd-.* # search channels using regex /close # close buffer /close 4-50 # close buffers numbers 4-50 Every page where communications are listed is

shiboken2.wrapInstance(long(ptr), QtWidgets.QWidget) # misc widget # find using: # cmds.lsUI(type='helpLine') ptr = OpenMayaUI.MQtUtil.findControl('helpLine1')

mods # backup following directories: %APPDATA%\Vortex\downloads\{game} # source zipfiles (not needed for backup) %APPDATA%\Vortex\{game} # game specific

org/wiki/ANSI_escape_code#8-bit tput looks up escape codes within the termcap database. using tput ensures your code is portable across the unixes. echo '\e[1m' # bold

indefinite wait time. You can check if something is available to read from stdin using the following (works on both windows and linux -- tested). import sys if

figure out just what exactly your compiler is running. You can do this. using a prefix of @ runs a shell command. all: @clear @echo "_INCL: $(_INCL)" @echo

You can test settings on-the-fly using :set. See available settings. :set content.pdfjs True Set them permanently within your config.py. (The file is read

# can use state? vehicle.fire_{statemachine_name}_event(:park) # execute variable event implement handlers for when events change state using symbol-methods

NOTE: I abandoned this install because I could not raise the resolution using clover. The instructions were out of date. Clover version/config looked very

Enables HTTP BASIC AUTH using an htpasswd file. Use an htpasswd file to determine allowed logins/credentials. http { server { location / { auth_basic "requires

(ps: with ps; [ nokogiri pry ])" ${package}/Gemfile Just a regular Gemfile source 'https://rubygems.org' gem 'graphql' gem 'pry' ${package}/default.nix #

very important, and a part of your license agreement. if you are no longer using a certificate revoke it if you have reason to believe that a certificate

null true false See https://github.com/NixOS/nixpkgs/blob/master/lib/strings.nix "hello" # a string "hello" + " world" # concatenate string # multiline

Qt is fantastic, and can be used on just about any platform. However it's usage varies a little when it is used to write a standalone program, or to script

======== Ctrl-n/p # line (prev/next) Alt-</> # buffer (start/end) (use shift) Alt/Ctrl-v # page (up/down) # ========== # horizontal # ========== Ctrl f/b # char

Plugin for ruby rbenv that install/manages ruby versions to be used within a project. Ruby installs are kept in user's home directory. WARNING: Does not

ics files are composed of blocks consisting of nested calendars events alarms A single file can contain multiple calendars, Calendars can contain multiple

ZNC modules are third party extensions that can be loaded to customize: all network connections a single network connection a specific user's network connection

usually around 70. Sanctuary has both an armor/weapon workstation, which can be used to rename/store armour/weapons. favourite items begin with a * prefix system

<%= form_tag(action: "post") do %> <%= select_tag("users", options_for_select(["Alex", "Courtney", "Sam"], selected: "Courtney")) %> <%= submit_tag %> <!--

After installing niresh, you'll still need to install a bootloader. You can use the install ISO to get you off the ground. MultiBeast - Install Chimaera -

DATABASE_URL=postgresql://localhost/my_database Create core database data here, then use rake to populate database. # db/seeds.rb City.create(:name => 'Chicago') City

=host.domain.com # earliest/latest can be specified in searchbar # and can use relative time ranges # # DateFmt: %m/%d/%Y:%H:%M:%S # # Timezone of UTC is

<dependency> <groupId>org.yaml</groupId> <artifactId>snakeyaml</artifactId> <version>1.24</version> </dependency> load simple/homogenous data From File

TODO: This page is a mess. fail2ban changed some things between 0.7 and 0.8 - I ran out of weekend while rewriting. fail2ban-client reload sshd # reload

Documentation is presented within a :terminal pane using w3m. general usage (dasht-server) start dasht-server use custom qutebrowser userscript. :dash <search>

ca/what-the-heck-is-pyproject-toml/ https://docs.python.org/release/3.10.0/using/cmdline.html#environment-variables Simply import the bulitin readline library

{remote-host} {wireguard-port} && echo "connection succeeded" # 1.a [fail] check source/dest firewalls (and any in between) for blocked packets sudo tcpdump udp

default bind index,pager <Esc>k sidebar-prev bind index,pager <Esc>j sidebar-next bind index,pager <Esc>o sidebar-open bind index,pager <Esc>u sidebar-scroll-up

can disable this using @echo off @echo off %cd% is the equivalent to pwd in unix. (the current working directory). The \ character is used for paths in dos

external scripts during your install process. Depending on the ActionType, it's source may be embedded within the table, stored in a CAB file, or something else

like tool for ruby. project/ rakelib/ # like conf.d, read as if in rakefile tags.rake test.rake lib/tasks/ # [rails only] same as rakelib content.rake db

filesystem is the format used on a disk partition to record files. Where windows typically uses fat32, or ntfs, linux normally uses ext4. See unix filesystem

setup/teardown hooks Run minitest-cli from code (note -- do differently if using rails) Minitest.run(["test/some/awesome_test.rb", "--some-cli-arg", "--some-other-arg"])

media player. It is possible to control an mplayer instance from the CLI using the -slave param. check out http://www.mplayerhq.hu/DOCS/tech/slave.txt

certificate (the certificate has already been validated) Redirecting traffic while using SSL is possible. The original route should return a 301-Domain-has-permanently-moved

dd Then (assert line1 == b) AssertEqual 'b', getline(1) Use Given to perform several tests using the same vim-buffer contents. Given [filetype] [(comment)]:

wants in... ##openSSH will start automatically on the next windows boot. (using windows services)

try to acquire locks sequentially across all servers (using unique random value for lock request). Use a shorter timeout than the key's TTL. - lock acquired

showracemenu is deprecated # NOTE: if your camera gets stuck, enter vats (hold Q) then exit (Tab) item codes Fast travel is performed using either player

ssh/authorized_keys at creation you can obtain the configured ssh-port using vagrant port If you are using Virtualbox, you can start it with a GUI: config.vm.provider

NOTE: I kept running into issues with browser support while using WOAS. I moved to MediaWiki years ago and it's been a much better solution. Sometimes

Used to instantiate a class. class Animal { constructor(name) { this.name = name // instance variable (or property) } speak() { console.log('quack') }

+------------------+ +------------------+ Create postgres user that STANDBY servers will use to communicate with MASTER. CREATE ROLE replicator REPLICATION LOGIN PASSWORD

(exposed methods) are written in snake_case, but converted to camelCase when used in queries. class MySchema < GraphQL::Schema mutation(MutationRoot) # fields

to re-use code horizontally (ex: GrandChildA1() and GrandChildB1() only) you would need to create a confusing mixin class. The Strategy Pattern uses parameters

pkg install mysql pkg install tt-rss # /etc/rc.conf mysql_enable="YES" php_fpm_enable="YES" nginx_enable="YES" ttrssd_enable="YES" create database user

selection you may: use sql joins to associate the queried table's data to other tables. (ex: find users assigned to a project) use sql aggregate functions

buffers Buffers are any text vim currently has stored in memory. You can use buffers to create your own custom windows from within vim. badd test "" Create

Note that newlines are ignored, you *can* use '\n', or '<br>', but sticking everything in between'<pre>' tags will maintain your spacing and and newlines

html.erb --> Hello, <%= get_username() %> Calling helper using helpers.method Advantage of using this method is that it does not modify the namespace of

TagBar leverages ctags to create a table-of-contents of your current source file. requires universal-ctags (updated fork of exuberant-ctags) See Also ctags

the fastest path to development. Use ls to list available methods/constants (categorized by source), and show-source -ld <method> to show the docs/method-signature

has a standalone console runner that can be used. If you are already using a build system, I recommend using that to run your tests. By default, stdout/stderr

includes/extends parent hierarchy Try using ruby pry instead: ls (show methods/attrs by namespace/class) show-source -ld <method> (show docs/sourcecode)

major_version #> 1 This is apparently the most dependable/comprehensive source of information (over xinerama, and regular xlib). from Xlib import display

the ugly helvetica approximation is being used instead of Arial. You can see where this logic is coming from using fc-match. fc-match Helvetica #Helvetica-Compressed

(Option A) stdout/stderr in console (needs configuration) using CLI params mvn test -Dsurefire.useFile=false saved to configuration <plugin> <artifactId>

headers from a web-server, and stored in the browser. Historically, they were used for authentication, and for session storage. only one Set-Cookie per HTTP

"base64_json_value", exp: nil, pur: "cookie.user_id" } } # value == "abcd" Message created using MessageVerifier cookies.encrypted[:encrypted_cookie] = "value" See documentation

It may be tempting to use a subdir, but I've had library issues when using the sub-bundle directory. I highly recommend using nix-shell manually instead

You cannot use ping, and nc isn't installed!! NOTE: User-Mode networking (slow) will be started automatically as long as no -netdev flag is used when the

[mpedal]>[ctrl] [rpedal]>[win] Layout Usage: rest right foot on middle pedal alt used more frequently than mod, rotating foot left easier than right

-b -c --other` foo -abc -depth 2 # same as `foo -a -b -c -depth 2` # now use your param case statement case $1 in -h|--help) echo "help me obi-wan kenobi"

Navigation keymap H PREV keymap L NEXT keymap o GOTO keymap C-D NEXT_PAGE keymap C-U PREV_PAGE # Tab Navigation keymap C-T NEW_TAB keymap C-W CLOSE_TAB keymap

maintenance/forceSearchIndex.php --skipParse From now on, whenever you edit a page, the index is updated automatically.

SSHKit is a ruby framework for executing SSH commands. It uses a HashMap of available commands/absolute-paths on the server. Generally, the available commandmap

A library for serializting/deserializing and interacting with various columnar data formats (ex. parquet). # instantiation table = Arrow::Table.new( "name"

on the cli WEECHAT_HOME=/some/path weechat # use '/some/path' as config dir weechat --dir /some/path # use '/some/path' as config dir weechat --temp-dir

monitors. You can also edit your graphics settings, but they do not appear to be used <!-- ~/.steam/steam/steamapps/compatdata/435150/pfx/drive_c/users/steamuser/My