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netstat shows TCP ports and their TCP-state. netstat -an # display netwk connections (listening, connected, etc) netstat -4 -f inet -n -r # display routing

manager for zsh. pacaur -S antigen Plugins are declared within your ~/.zshrc. source /path/to/antigen.zsh antigen bundle zsh-users/zsh-autosuggestions antigen

ruby-irb # ~/.irbrc IRB.conf[:USE_SINGLELINE] = true # use 'readline' instead of multiline support irb irb --readline # uses readline, but disables multiline

tool like top, that monitors traffic through pf firewall. 1 # 2 # 3 # 4 # 5 # packets blocked for each rule f # filter (see below) filter syntax is very

Consolidates some python project dotfiles. Mostly superceeded by python pyproject.toml. [tool:pytest] python_files = *.py testpaths = tests norecursedirs

Reads line from a terminal, executes them. Can be configured to use vi keybindings. set editing-mode vi set keymap vi # meta+(hjkl) jumps into normal mode

FreeBSD uses ifconfig to manage network interfaces. manipulate interfaces within shell. # create/destroy a network interface of type 'tun' ifconfig tun

vim -p a b c # open in new tabs vim -o a b c # open in vert splits vim -O a b c # open in horiz splits vim --cmd "let foo=bar" --cmd "let bar=baz" # run

<?php class Automobile { def drive() { } }

/** Do something * * @param $name * @return string */ function get_hello_message($name) { // comment /* foo bar baz */ }

sudo for windows! choco install -y gsudo

Extendable search. Can be powered by fzf. :Telescope lsp_workspace_symbols query=Foo::Bar::Baz

S # display source port D # display destination port n # show IP instead of host name P # pause ? # display additional commands TX: transmitted RX: received

# show the environment for a PID at the time the process was started ps -xep ${PID}

echo "some text\n"; pring "some text\n"; $animals = array("cat", "dog", "monkey"); print_r($animals);

:profile start profile.log :profile func * :profile file * " At this point do slow actions :profile pause :noautocmd qall!

The linux ip command is used to manage network interfaces on linux. ip addr # list network interfaces ip set wlp3s0 up # activate network interface

iw is used to manage wireless internet connections from linux. iw wlp3s0 info # print wireless connection info iw wlp3s0 scan # scan for access points

df lists volume information, how much room is consumed, remaining, etc. df -h # print consumption, in human readable sizes

file gives you information about the type of file. sudo file -s -L /dev/sdc1

lsof prints files that are currently open. lsof # list files belonging to active processes

maximum characters Windows restricts paths to a max of 260 characters (with their bytestring path interface, unicode supports longer paths) Invalid filenames

dependency manager for php. brew install composer # [MacOS] not in macports cd project/ # dir with composer.json composer install # install deps

google.com # DNS query for google.com host google.com 8.8.8.8 # DNS query using 8.8.8.8 as nameserver

" requirement Plug 'https://github.com/jparise/vim-graphql' :CocInstall coc-graphql Add a graphql-config to your project # ${project}/.graphqlrc # See:

throw new Exception("Division by zero"); try { // code that can throw exceptions } catch(Exception $e) { // code that runs when an exception is caught

Settings > Keyboard: Shortcuts: App Shortcuts: - (All Applications) Close Tab: Ctrl+W # create - (Google Chrome) Select Next Tab: Ctrl+P # create - (Google

if var == 'no' : print "something" elif var == 'yes' : print "something else" else: print "something else entirely" You may find the all keyword useful:

TODO: I definitely have detailed notes on this somewhere.. TODO: Also record standardized locations with friendly permisisons (like for ssh keys) msg /server:wintermute

rbenv. Consider using nix and direnv instead. cd yourproject/ echo "2.6.5" > .ruby-version # now when you enter directory, correct ruby is used automatically

tzinfo = ActiveSupport::TimeZone.find_tzinfo("America/Toronto") timezone = ActiveSupport::TimeZone.new(tzinfo) Time.parse("1970-01-01T10:00:00Z").in_timezone(timezone)

Watch/Count syscalls that a process makes. # dtrace is included in base system pkg install dtrace-toolkit # (optional) dtrace scripts kldload dtraceall

Console Driver (tty) for FreeBSD, introduced as default in FreeBSD-12. # /boot/loader.conf vt.kern.vty = "sc" # enable syscons

mycli is an alternative mysql/mariadb/percona client built overtop of prompt_toolkit. pacaur -S mycli pip install mycli [main] multi_line = True key_bindings

nmap is a commandline port scanner. # don't use sudo. give your user permission to X nmap -sP '192.168.1.*' # scan all ips in addr range nmap 192.168.1

NOTE: see also dig # get BGP protocol ASN for facebook whois -h v4.whois.cymru.com " -v $(host facebook.com | grep "has address" | cut -d " " -f4)" | tail

the commandline from vim's command mode. :w !sh " execute the current file using /bin/sh :w !less " pipe entire file to less :'<,'>!less " pipe visual-selection

PHP fastcgi process manager. Can be configured to listen on a port or socket. Configure where php-fpm should listen # /usr/local/etc/php-fpm.d/www.conf

NOTE: unmaintained, use coc-pyright instead python -m pip install jedi python -m pip install pylint :CocInstall coc-python " Interactive Choice :CocCommand

interact with ios device filesystem on computer. sudo pacman -S libimobiledevice ifuse # unlock phone, plug into computer, and on iphone # 'trust' the

a very fast ruby ast node-types all defined within node.rb stree match /some/file.rb # generate matcher code stree search 'VarRef' /some/file.rb # search

commands to jump for next/step/continue like gdb. instead you have to use the UI, or use OS-specific hotkeys: super ' # next super ; # step super \ # continue

]c - advance to the next block with differences [c - reverse search for the previous block with differences do (diff obtain) - bring changes from the other

man zdb https://www.unix.com/man-page/FreeBSD/8/zdb/

-latest.exe It is very much a work in progress, at this stage you cannot use calendars at all. Settings > Configure Korganizer General > Calendars > Add

Bat is a syntax highlighted cat. bat file.graphql bat \ -l go `# syntaxhighlight for lang` \ --file-name 'my-file.go' `# set file title in result` \ --theme

and or 1 == 1 1 != 0 1 <= 2 2 >= 1 'foo' =~ 'foobar' # 'foobar' contains 'foo' a ||= b # `a || a = b` (if a is not defined, a = b) obj_1 eql? obj_2 # if

ruby. NOTE: It does not appear that iruby supports vi editing mode. I would use ruby pry instead, it has 1st-tier support. sudo pacman -S libffi libtool ruby

nodes https://github.com/rubocop/rubocop-ast/blob/master/docs/modules/ROOT/pages/node_types.adoc Node Patterns (like AST selectors) https://docs.rubocop.

on FreeBSD, you'll need to create a virtual block device # for the image using: # mdconfig -a -t vnode -f /path/to/image.img -u 0 # link image to virtual

Configurable/Cross-Platform commandline resource manager written in rust. Similar to gnu top. Has a vi mode. NOTE: neat, but graphs are CPU drains and

xchm file.chm

kchmviewer file.chm

xarchiver is a GUI program to manage various archive formats sudo pacman -S xarchiver

Applescript osascript -e 'display notification "nice text" with title "nice title"'

Deletes files within a filesystem. I haven't had the occasion to use it yet. wipe -r /path/to/wipe

pkg install cbsd

% a comment

sudo pacman -S aria2 aria2c file.torrent # start a torrent download

(+ 3 4) ;; adds 3 and 4

;; comments begin with double-semicolons

if true then "true" else "false"

Tools --> Preferences --> Automatically detect Markdown

NOTE: Did not work for me sudo pacman -S mono git clone https://github.com/zabirauf/icsharp cd icsharp xbuild

/* Multiline * comment */ let foo = 1 // comment

# line comment

Issue a notification from the commandline on a linux/bsd server. notify-send SUMMARY BODY

requests a password, encryption algorithm varies` verify encryption algorithm used 7z l -slt file.zip

require 'json' {"a" => "b"}.to_json #> '{"a": "b"}' JSON.parse('{"a": 1}') #> { "a" => 1 }

Sub mysub(argument1,argument2) some statements End Sub

Get-Date Get-TimeZone Set-TimeZone 'Eastern Standard Time'

sudo pacman -S qutebrowser # archlinux choco install -y qutebrowser # windows brew cask install qutebrowser # macos

Compress/Extract rar archives. # extract, preserving directory structure unrar x src.rar /path/out/

Change the user/group that owns a file. chown user:group file

sudo pacman -S pulseaudio pulseaudio-alsa sudo pacman -S pavucontrol-qt

TODO: UNFINISHED! import java.util.logging.Logger; import java.util.logging.*;

Mount directories as other directories. mount -t nullfs /mnt/mywebsite /usr/local/www/mywebsite

Set-ItemProperty -Path 'Registry::HKCU\Environment' -Name PATH -Value ($PATH.Path +";"+ $rezbin_PATH)

jot -r 1 1 50 # 1 random num between 1 and 50

wg # print configured connections wg show # print configured connections wg-quick up wg0 # activate wg0

Lines matching '\s*"' are comments. " a comment " another comment

FreeBSD # requires port: sysutils/fusefs-exfat # NOTE: I was unable to compile (2020/05) mount -t exfat /dev/ad1s1 /mnt

commandline launchctl -h

ls --group-directories-first ls -X # sort by file-extension ls -v # sort with natural sorting

(message "her name is %s, her age is %d" (list "vickie" 24) ) ;; print with substitution (print "abc") ;; normal print

CentOS uses a the rpm based package manager YUM. yum search <package> # search for a package yum install <package> # install package yum update # update

Full list https://nixos.org/nix/manual/#sec-language-operators 1 + 1 # addition 1 - 1 # subtraction 1 * 1 # multiplication 1 / 1 # division

RPCS3 is a playstation 3 emulator. pacaur -S cereal pacaur -S rpcs3-git

Dim var ' Normal variable within scope Public var ' Global variable Private var ' (? private to what)

Set-PSBreakpoint # set breakpoint on current line Set-PSBreakpoint -Line 15 # set breakpoint on line 15

Anbox is an android emulator for linux. pacman -S anbox

sudo pacman -S jupyter pacaur -S jre pacaur -S jdk11 git clone https://github.com/SpencerPark/IJava.git cd IJava/ sudo chmod u+w gradlew ./gradlew installKernel

IF( <expr> AND <expr> ) IF( <expr> OR <expr> ) https://cmake.org/cmake/help/v3.11/command/if.html

if ($PATH[0] -ne 'C:\Python27') { ... } # if statement if (!( $PATH.Contains('C:\Python27') )){ ... } # if not statement

CSVs are comma separated tables. headers are available, but not mandatory. entries may include commas if the row/column is written within double-quotes

A UML or general node-based diagram tool. sudo pacman -S dia

require 'yaml' YAML.load("a: 1", aliases: true) #> {"a"=>1} YAML.dump(['a', ['b']], indentation: 2)

pacman -S python # Archlinux pkg install python37 # FreeBSD brew install python # MacOS

values can be put in sections sections cannot be nested '=' or ':' may be used interchangeably [section a] key_1 = value1 key_2 = value2 [section b] key_3

import ctypes #returns kernel ctypes.windll.kernel32

An AST parser for ruby, in ruby https://github.com/whitequark/parser ruby-parse -e 'puts "hello"' (send nil :puts (str "hello"))

Dir.mktmpdir("some_prefix_") do |dirpath| # ... end Tempfile.create("some_prefix_") do |fd| fd.write("hello") end

# keep copy of dir tar -cvf baikal_data.tar /usr/local/www/baikal/Specific # extract into new install

REM note the abscence of quotes around string set YOURVAR=Your Value echo %YOURVAR%

== # equals LEQ # <= GEQ # >= LSS # < GTR # > EQU # == NEQ # != if ("%var%" LEQ "3") { echo %var% is less than 3 }

vmstat shows info about processes, memory, paging, io, and cpu activity. vmstat 5 # run vmstat once every 5s

foo = sorted(['z', 'b', 'a']) # new copy sort(mylist) # mutates 'mylist' sorted(mylist, key=lambda x: x % 2) # sort by result of 'key'

cli screen capture tool, preinstalled with macos. screencapture -s -T 5 out.png # select region, wait 5s, then capture selection

redis-cli -h domain.com # connect to redis on cli redis-cli -h domain.com FLUSHALL # execute 'FLUSHALL' and exit

bulitin lib to examine/modify resources used by current program. Example import resource resource.getrusage(resource.RUSAGE_SELF).ru_maxrss

Alt-x, ielm ;; lisp interpreter

sudo pacman -S deluge-gtk # deluge is daemon only Edit > Preferences: Network: Encryption: Inbound: Required Outbound: Required Level: Full Stream

The oldest threading interface for python. import thread thread.start_new_thread(func, ('argA',), {'kwargA': 1}) lock = thread.allocate_lock() lock.acquire()

redis client for python import redis conn = redis.Redis(host='foo.bar.com', port=, password='password') conn.set('foo', 'bar') conn.get('foo') # >>> 'bar'

from passlib.hash import sha512_crypt sha512_crypt.hash('password')

$var === NULL // is instance $var !== NULL // is not instance $var = 1 // equal $var != 1 // not equal $var .= "bar" // append to string $var += 1; //

php classes are very similar to java, right down to extends and implements. class Foo { /** string */ private name; public function __constructor() { $this->name

X11 server for MacOS. Download http://xquartz.macosforge.org/landing/ # Do not start xterm on xquartz start defaults write org.macosforge.xquartz.X11 \

import bcrypt hashed_pw = bcrypt.hashpw('password'.encode('utf-8'), bcrypt.gensalt()) if bcrypt.checkpw(password.encode('utf-8'), hashed_pw): print('password

Deletes files off a disk. Should do this before disposing of work HDDs, or before recycling dad's old work computers. Does not necessarily work for most

if (Test-Path -Path "$src_dir") # check if path exists New-Item "$src_dir" -ItemType Directory # create directory Remove-Item -Recurse -Force some_dir

OpenBSD's package manager. #install sudo pkg_add -r <package> #delete pkg_info | grep <package> sudo pkg_delete <package-version.number> #search sudo pkg_search

IF [%VARIABLE%]==[] ( echo Variable is not set ) ELSE IF [%VARIABLE]==[blah]( echo some condition ) ELSE ( echo Value Found )

sudo pacman -S lightdm lightdm-gtk-greeter sudo systemctl enable lightdm

pacman -S python-digitalocean # Arch pip install python-digitalocean # Other

desktop_end_user_computing/vmware_workstation_player/15_0 When prompted, use /etc/systemd for system service scripts directory

encrypts strings using the OS's crypt.c. only available on unix-like systems. import crypt # use strongest available crypt.crypt('password') # use specific algorithm

nload samples badwidth usage over a network interface. sudo pacman -S nload sudo nload # left/right switch network interface being monitored

Wing-Commander privateer clone buitl out of ascii characters. It is amazing to me that this works as a game, it is even beautiful. Install: pacaur -S asciisec

Timer('t=a; a=b; b=t', 'a=1; b=2').timeit() #> 0.088729 time python2 lute.py ## use bash to simply time how long the script takes to run.

fbreader is a cross platform ebook reader. Apparently, quite customizable. sudo pacman -S fbreader FBReader file.epub

showkey displays keycodes produced by keypresses within a linux TTY. showkey --keycodes showkey --scancodes showkey -a # type ascii codes

sudo -u postgres pg_dumpall > backup.pgsql sudo -u postgres psql < backup.pgsql

A side-by-side tex/preview editor. pacman -S texlive # archlinux texlive

var = [1,2,3] for i in range(0, len(var)): print var[i] else: print "completed successfully without break statement" padding = 0 while padding < 6 : padding

Run npm installed executables. npx ${EXECUTABLE} ${ARGS[@]}

import numpy import resampy numpy.frombuffer(raw_wav_str, sr_orig=44100, sr_new=16000)

TODO: sort out what is activesupport extensions Time.parse("Wed Oct 11 13:49:06 2023 -0700") Date.parse("Wed Oct 11 13:49:06 2023 -0700") time.in_time_zone

code --install-plugin ms-python.python sudo pip install rope

Like argparse for API routes curl 'http://api/user' -d 'name=will' -d 'age=30+'

Configure linux boot ram disk. # regenerate mkinitcpio -p ${kernel-name} # ex: linux, linux-lts # temporarily load kernel module modprobe $KERNEL_MODULE

statsd is a daemon for stats aggregation. # <metricname>:<value>|<type> echo "foo:1|c" | nc -u -w0 127.0.0.1 8125

set-location # cd clear-host # clear copy-item # cp rename-item # remove-item # rm get-childitem write-output ... | select-string -pattern '.*' # grep

REM replace file echo "test" > C:/test.txt REM append file echo "test" >> C:/test.txt REM redirect stdout/stderr DIR SomeFile.txt 2>&1

NOTE: nftables is not a daemon. it applies settings and exits # nftables sudo pacman -S nftables sudo systemctl enable nftables # for logging sudo pacman

pacman -S texlive-bin texlive-core # archlinux Since tex is plaintext, you can use anything you'd like to edit it.

tui puleaudio control (duplicates pavucontrol-qt in console) pacaur -S ncpamixer F1 - F5 # each tab (playback, recording, output devices, ...) h/l # volume

ffmpeg -f gdigrab -framerate 30 -i title="german.avi - VLC media player" -b:v 3M germ.flv

call feedkeys(":abc def")

Assert 1, 'message' " assert boolean is true AssertEqual 'expected', 'result' " assert equals AssertNotEqual 'a', 'b' AssertThrows

Audit the linux kernel behaviour. auditctl -A exit,always -S connect # install log auditctl -d exit,always -S connect # uninstall log

sudo pkg install znc # FreeBSD sudo pacman -S znc # Archlinux The first time you run the service, you will be prompted to generate SSL certs. Do it. Connect

cd $your_project/build cmake .. # generate makefile make # compile project sudo make install # install compiled project (as super-user, so have write permissions

IF(<expr>) ELSEIF(<expr>) ELSE(<expr>) ENDIF(<expr>) # ======= # Example # ======= IF( 1 EQUALS 2 ) MESSAGE( "1 is equal to 2" ) ENDIF( 1 EQUALS 2 ) See

IF( 1 EQUALS 4 ) IF( 1 GREATER 4 ) If( 1 LESS 4 ) If( DEFINED ) If( IS_DIRECTORY ${path} ) If( IS_SYMLINK ${path} ) https://cmake.org/cmake/help/v3.11/command/if

Documents using msmtp to send emails for mutt. set sendmail = "/usr/bin/msmtp -a <account>"

You can instruct setuptools to install executables on your PATH using entry_points. setup( ... entry_points = { 'console_scripts': ['funniest-joke=funniest

;; test same datatype/value (if (equal "abc" "abc") (print "equal!") ;; if true (print "not equal!" ) ;; if false ) ;; if list equal (equal '(3 4 5) '(3

Install ruby bundler and gem install jekyll. gem update gem install jekyll

:Tab /= "align all = signs :Tab /=\zs "align everything after the = sign :Tab /=/l0r1 "define spacing on left/right of matched char NOTE: author also describes

Firefox's javascript engine. Includes an interpreter. pacaur -S spidermonkey js file.js

// header class MyClass: public MyParent { public: MyClass (int, int); void new_method (); }; // re-implement constructor // 1. duplicate interface //

inotify is a program that monitors a directory for new or changed files. sudo pacman -S inotify-tools

sudo update-ca-trust

php namespace Foo\Bar; class Baz { // ... } # /src/package/foo/bar/zab.php use Foo\Bar; new Bar\Baz()

REM query registry key reg query "HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server" /v AllowRemoteRPC REM set/modify registry key reg add "HKLM\S

sudo pacman -S samba sudo systemctl enable samba.service # sudo systemctl enable smb.service # sudo systemctl enable nmb.service sudo pkg install samba413

yourproject.csproj <Project Sdk="Microsoft.NET.Sdk"> <!-- ...project config... --> <ItemGroup> <PackageReference Include="Newtonsoft.Json" Version="9.0

sudo pacman -S wireguard-tools #sudo pacman -S wireguard-dkms # built into linux kernel >5.6 pkg install wireguard # /etc/rc.conf gateway_enable="YES"

firefox: Settings > Preferences: General: - [x] Play DRM controlled Content google-chrome: ?? High Def videos: # see https://www.maketecheasier.com/wa

Install windows fonts and DLLs in wine. winetricks list # list install categories winetricks ${CATEGORY} list # list available installs from a category

get-service # list all services get-service | get-member # list all properties of service objects get-service <service> # get target service object get-service

There are 3x types of comments in java. // inline comment /* multiline comment */ In java, docstrings are written above the item being documented. /**

A commandline fuzzy matcher. Not as featureful as fzf. find | fzy # interactive fuzzy search find | fzy --show-matches='foo' # non-interactive descending

Important note: after an upgrade, you have to set SINGLE_USER_MODE to true in your config.php; remember to modify after that if needed.

if ( var >= 10 ) { print "var is larger than or equal to 10"; } else if ( var <= 5 ) { print "var is smaller than or equal to 5"; } else { print "all other

pkg install nginx # FreeBSD pacman -S nginx # Archlinux You may need to compile for newer or disabled features. I don't recall when I needed this.

package's file, and re-install using force. sudo rm -rf /var/lib/pacman/local/man-pages-* sudo pacman -S --force man-pages

nokigiri is an html parser require 'nokigiri' html = '<html><title>foo</title></html>' doc = Nokigiri::HTML.parse(html) doc.css("title") # css-select elements

A web ui for network traffic introspection. graphs, stats, etc. sudo pacman -S ntop sudo ntop -i enp0s25 # visit: localhost:3000

var = "value" # assign variable (global) # under 'let' variables are local to current scope let local_var = "value" other_var = "value" 'with' exposes

pacaur -S bitlbee-discord sudo pkg install autoconf sudo pkg install autotools cd /usr/ports/irc/bitlbee-discord make sudo make install

Set fso = CreateObject ("Scripting.FileSystemObject") Set stdout = fso.GetStandardStream (1) Set stderr = fso.GetStandardStream (2) stdout.WriteLine "print

sudo pkg install postgresql96-server echo "postgresql_enable=\"YES\"" >> /etc/rc.conf sudo service postgresql initdb sudo service postgresql start WARNING:

wmic cpu wmic memcache get access # overall cpu usage typeperf "\Processor(_Total)\% Processor Time" # individual cpu usage typeperf "\Processor{*)\% Processor

7zip is a commandline/gui program to manage various archive formats. pacman -S p7zip # archlinux 7z x -o/path/out/ file.7z # extract to dir

WARNING: Kills python process if there is an error. (including maya). import ctypes memoryLoc = id( MyClassInstance ) ## Get Memory Location ref2Class

docker-compose up # runs command for each server in 'docker-compose.yml' docker-compose build # builds environment from 'docker-compose.yml' docker-compose

It's pretty straightforwards, just plug it in and mount it like a normal disk. sudo mount /dev/sdb /mnt/usb cp somebook.pdf /mnt/usb

light allows you to control your backlight brightness. sudo pacman -S light usermod -a -G video will # add your user to group 'video' light -S 100 # set

# send notification notify-send 'my title' 'my message' # repeat last message # (repeated calls navigate further back in history) dunstctl history-pop

pkgs.lib.makeLibraryPath [ pkgs.zlib ] # path from lib/ dirs "${pkgs.shared-mime-info}/share/mime/packages/freedesktop.org.xml" # pkg interpolated is the

Check for filesystem errors, and try to repair them. Similar to mount, fsck has different tools for different filesystems. For example fsck.btrfs, fsck

def func1 i = 0 while i<=2 puts "func1 at: #{Time.now}" sleep(2) i = i+1 end end thread = Thread.new{func1()} thread.join()

Builtin debugger module. See ruby debug. ruby -r debug yourmodule.rb A ruby interpreter, and debugger rolled into one. External library. See ruby pry.

~/.mutt/muttrc set query_command= "khard email --parsable %s" macro index,pager a "<pipe-message>khard add-email<return>" \ "Add sender to contacts (khard)"

# explicit allowlist Server { allow 192.168.1.0/24; # entire subnet deny all; }

colourized side-by-side diffs and pager. brew install git-delta delta 1.txt 2.txt # combined diff delta -s 1.txt 2.txt # side-by-side diff

The simplest possible build I could think of to test with. src/main.cpp #include <QtWidgets/QApplication> #include <QtWidgets/QPushButton> int main(int

imports bind all of the let variables defined within a file to a set. # ./foo.nix let a = "A" fn = x: x # ./bar.nix foo = import ./foo.nix {}; # foo expects

# /usr/local/etc/nginx/nginx.conf user www www worker_processes auto; worker_cpu_affinity auto; events { multi_accept on; worker_connections 1024; } http

If var = 1 Then stdout.WriteLine "condition A" ElseIf var = 2 Then stdout.WriteLine "condition B" Else stdout.WriteLine "condition C" End If d=weekday(date)

Pcmanfm is LXDM's file manager. It featureful, themable, and low on dependencies. A clear win. sudo pacman -S pcmanfm sudo pacman -S tumbler # image thumbs

Shellscripts for managing FreeBSD jails. # create a jail ezjail-admin install ezjail-admin create example.com 'em0|10.0.0.2' ezjail-admin start example

target windows lots more Xdotool itself does not record keybindings, but used with xbindkeys, you can bind keys to other keys. xdotool key Home ## Virtual

csv = CSV.new(File.read('out.csv')) csv.read # array of rows csv << [0, 1, 2] # append row to csv csv = CSV.new(<<~CSV, headers: true) id, name 123, foouser

patch a codebase patch directories diff -ruN new/ old/ > diff.patch # create patch patch -ruN -d working < diff.patch # apply patch patch files diff -u

sudo pkg install baikal nginx openssl # add user Will to group www pw groupmod www -M will Set up an httpd directive See `/usr/local/share/examples/baikal`

rdesktop lets you access windows over RDP from a X11 displayserver. rdesktop \ -P \ -z \ -x 1 \ -r sound:off \ -u 'domain.com\willp' \ -p 'password' \

gpart is a BSD tool for working with partition tables. Similar to linux's fdisk. camcontrol devlist # list all devices gpart list # print all disks (with

get information about the system running cmake. cmake_host_system_information( RESULT os_name QUERY OS_NAME ) if (os_name =

Fuzzy directory tree searching. pacman -S broot You'll also need to define the function br. # ~/.zshrc function br { local cmd cmd_file code cmd_file=$(mktemp)

$array = 'a','b','c' ForEach ($item in $array){ # do stuff } foreach ($dir in (get-childitem -recurse -path . -filter "package.py)) { cd $dir.DirectoryName;

issuing: systemctl enable avahi-daemon.service In order to run shairport, use the shairport.pl script. Can be run from dmenu, or a terminal window. Avahi-daemon

pinephone. server: domain.com/1025 - [x] connect to selected servers only - [x] use ssl for all the servers on this network username: you/freenode login_method:

The builtin linux gamepad driver. NOTE: linux kernel 3.17+ supports wired xbox one controller natively. sudo pacman -S xpad sudo modprobe xpad

mock = mock.Mock() mock.a() >>> <Mock id='1234567'> mock.a >>> <Mock id='7654321'> mock.a.return_value = 'hi' mock.a() >>> 'hi'

Some useful commands I use frequently :download-clear " clear completed downloads :tab-select " fuzzy-select tab to view :devtools " chrome dev tools :config-edit

A webserver. http://maratgaliev.com/bigsur-rails/ gem install thin -v '1.7.2' -- --with-cflags="-Wno-error=implicit-function-declaration"

You'll need the full 'mysql' package rather than just the 'mysql-client' in order to do this: CREATE USER 'backup'@'ip-address' IDENTIFIED BY 'password';

--mutt-query '%s'" macro index a "|abook --add-email\n" 'add sender to abook' macro pager a "|abook --add-email\n" 'add sender to abook'

NOTE: sourcing chruby's activation script from bashrc while installing rails was causing it to fail with CRITICAL: RUBYGEMS_ACTIVATION_MONITOR.owned?:

longer need to compile/patch with sidebar Install setup-x86.exe -q -P ^ mutt (source),^ msmtp,^ w3m,^ ncurses,^ libncurses-devel,^ abook,^ offlineimap,^ autobuild

very useful python library that aims to reproduce matplotlib using ascii so that it can be used on headless servers. Unfortunately, it seems you cannot render

to try command with/without (-n) # to use ip-addrs instead of hostnames tcpdump -n -i eth0 # piping tcpdump using (-l) tcpdump -l -i eth0 | grep "192.1"

You'll need to install mosh on both the client/server. Mosh works by first connecting over ssh, then starting and communicating via the mosh-daemon. There

Xrandr allows you to manipulate query and manipulate display settings. xrandr --output VGA-1 --mode 1920x1080 # set resolution xrandr # query outputs/modes

# visudo (/etc/sudoers) will ALL=(ALL): ALL # full sudo permissions to user %group ALL=(ALL): ALL # full sudo permissions to group members superuser ALL=(ALL)

Giara is a mobile reddit client for linux written in python. It works on the pinephone. pacaur -S giara-git

Function _AppendToPathEnv { param ( [Parameter (Mandatory=$true, position=2)] [String]$value ) # """ Appends a value to registry key, if it does not already

gitk within your terminal. tig -G'def foo' file.txt # show comits with code changes involving 'def foo' uu # stage/unstage file for commit ul # stage/unstage

ly/vagrant-lxc-wheezy64-2013-10-23' config.vm.define "db" do |node| # Set Container to use LXC config.vm.provider :lxc do |lxc| lxc.customize 'cgroup.memory.limit_in_bytes'

REM batch script arguments are listed numerically in order REM path to batch script echo %0 REM arguments, in order echo %1 echo %2 ... number of arguments

My router circa 2010. power button broke, but works if held down with tape. lan: dhcp: start: 192.168.1.100 start: 192.168.1.200 wan: port-forwarding:

A test framework for javascript. // ${project}/foo.js function sum(a, b) { return a + b; } // ${project}/foo.test.js const sum = require('./foo.js'); test('1

Windows executable info from linux. (ex: build version). pacaur -S pev # get windows executable version peres -v DDDA.exe | grep 'File Version' # ?? info

https://stackoverflow.com/questions/46690572/indent-content-based-on-headings h1, h1 ~ *, h2 ~ h1, h2 ~ h1 ~ *, h3 ~ h1, h3 ~ h1 ~ * { margin-left: 0px;

# shopify is:open is:pr -is:draft -reviewed-by:@me review-requested:@me +is:pr # only include pull requests -is:draft # remove drafts -is:approved # removes

REM (start-counting-at, iterate-by, stop-counting-at) FOR /L %%i IN (0, 1, 5) DO ( echo %%i ) FOR /D %%d IN (root will vagrant build) DO ( echo %%d ) FOR

Get link for current line in github. :GitLink

## Build Widgets layout = QtGui.QVBoxLayout() tab_layout = QtGui.QTabWidget() info_manager = QtGui.QPushButton('manager info') info_tasks = QtGui.QPushButton('task

regular vimrc. lua <<EOF -- some lua code EOF " ~/.config/nvim/init.vim " source vimrc from init.vim set rtp^=HOME/.vim so ~/.vimrc

replacement that is parallellized. TODO: split this into yarn-1 and yarn-2 pages yarn run ... # runs a command from your package.json

webbrowser that uses a headless firefox and renders using libcaca to a terminal. pacman -S go-bindata dep pacaur -S browsh browsh is intended t obe used with a

viu displays images within a terminal using squares. It even supports animated gifs! pacaur -S viu viu image.png # display image viu -w 50 image.png #

# ${PACKAGE}/source/conf.py # loaded from ${site-packages}/sphinx/themes/ html_theme = 'alabaster' Each theme may define it's own additional options. https://pypi

# permanently mount \\groot\movies to K: net use K: /delete /y # unmount K: (if mount created using net use)

docs intro tutorial https://www.tutorialspoint.com/read-and-write-wav-files-using-python-wave detailed tutorial https://nbviewer.jupyter.org/github/mgeier

pudb is a gui debugger. Watch a Variable watching a variable in pudb enters it into the GUI on the top right. Breakpoints are not added, it simply displays

NOTE: use VimPlugin: vim-test instead vim pyunit integrates nose into vim, allowing you to test functions/modules as you write/refactor straight from your