vpolozov

# Set Window Title
PS C:\> $Host.UI.RawUI.WindowTitle = "New Window Title"

# $Env
$Env:SOME_VAR="Some value"

vpolozov

# Set Window Title
PS C:\> $Host.UI.RawUI.WindowTitle = "New Window Title"

# $Env
$Env:SOME_VAR="Some value"

vpolozov

# Speed up/slowdown - https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video
ffmpeg -i input.mkv -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" -map "[v]" -map "[a]" output.mkv
ffmpeg -i input.mkv -filter:v "setpts=0.5*PTS" output.mkv

vpolozov

/**
 * The onOpen function runs automatically when the Google Docs document is
 * opened.
 *
 * More on `onOpen` and other trigger functions: https://developers.google.com/apps-script/guides/triggers/
 * More on `SpreadsheetApp` class: https://developers.google.com/apps-script/reference/spreadsheet/spreadsheet-app
 */
function onOpen() {
  // Add a menu with some items, some separators, and a sub-menu.
  SpreadsheetApp.getUi().createMenu('Utilities')

vpolozov

export DISPLAY=:0

SSH_AGENT_PID_SAVED=$SSH_AGENT_PID

eval `keychain --eval id_rsa id_dsa`

#if [ -z "$SSH_AGENT_PID_SAVED" ]
#then
  setx SSH_AGENT_PID $SSH_AGENT_PID
  setx SSH_AUTH_SOCK $SSH_AUTH_SOCK

vpolozov

# shortform git commands
alias g='git'

# count relevant lines of shell code in a git repo
egrep -v '^\s*($|#)' $(git grep -l '#!/bin/.*sh' *) | wc -l

# push all remotes
for i in `git remote`; do git push $i; done;

# cherry pick range of commits, starting from the tip of 'master', into 'preview' branch

vpolozov

ffmpeg -framerate 25/2 -f image2 -i img%%3d.jpg -filter:v "scale=1024:-1" -r 25 -loop 20 -final_delay 50 _out.mp4

vpolozov

ffmpeg -f image2 -i img%%3d.jpg -filter:v "scale=640:-1" -loop 20 -final_delay 50 _out.gif

vpolozov

// Web requests in CPS style
// Victor Polozov (c) 2014
// see WebR.getUrl function

module WebR

open System
open System.IO
open System.Net
open System.Text

vpolozov

module Customer

open Shop

type ICalendar =
    abstract member DayOfWeek : System.DayOfWeek

type Calendar() =
    interface ICalendar  with
        member x.DayOfWeek = System.DateTime.Now.DayOfWeek