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// Create Github Page branch
git checkout -b gh-pages
git push origin gh-pages

// Update Github Page branch from master
git checkout gh-pages
git pull .master
git push origin gh-pages
git checkout master

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Make an alias in $HOME/.bash_aliases

# switch monitor mode
alias sm='function _switch_monitor(){ $HOME/switch_monitor.sh $1;};_switch_monitor'

Here is an example of xrandr settings for switching between the built-in screen and the dual screen config (built-in uses a new mode no present by default)

#!/bin/bash

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This alias lock the session (lightdm) and enter sleep mode

# Lock session and go to sleep
alias bye='function _bye(){ dm-tool lock; sleep 10; sudo pm-suspend;};_bye'

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Regex : /^(\d{2}:\d{2}:\d{2}[.,]\d{3})\s-->\s(\d{2}:\d{2}:\d{2}[.,]\d{3})\n(.*(?:\r?\n(?!\r?\n).*)*)/gm
Demo : https://regex101.com/r/TH1JhU/1
Code example :

const regex = /^(\d{2}:\d{2}:\d{2}[.,]\d{3})\s-->\s(\d{2}:\d{2}:\d{2}[.,]\d{3})\n(.*(?:\r?\n(?!\r?\n).*)*)/gm;
const str = `WEBVTT

00:00:00.000 --> 00:00:04.469
Blah Bla bla 1
Multine

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name: mooc_rr
channels:
  - conda-forge
  - defaults
dependencies:
  - alembic=0.9.9
  - attrs=18.1.0
  - automat=0.7.0
  - backcall=0.1.0
  - beautifulsoup4=4.6.0

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This is a known bug in gnome (ubuntu 18.04) : https://wiki.ubuntu.com/DebuggingScreenLocking#line-184

1. Check /etc/shadow permissions

# example
$ ls -l /etc/shadow
-r-------- 1 root root 1695 sept.  4 11:37 /etc/shadow

# should be

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1. Create a bookmarlet with the code below
2. Go to the homepage of your MOOC in studio (in our case : studio.fun-mooc.fr/course/[MOOC_ID])
3. Run the bookmarklet

javascript:(function(){
	var base_url = window.location.href.replace('studio.fun-mooc.fr/course','fun-mooc.fr/courses')+'/jump_to_id/';
	var sections = $('.outline-section');
	var sectionList = $('<ul/>');

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function nextStep(cb, ...args) {
	setTimeout(() => {
  	cb(...args)
  }, 1000)
}

function step1(foo){
  // some logic and pass result to next step
  var bar = foo * 2
	nextStep(step2, foo, bar)

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Guide to setup Ionic with Vue project

1. Install Vue CLI npm install -g @vue/cli
2. Create your App vue create my-vue-app
3. Choose the recommended default setup (with router, store, etc)
4. Add Ionic/Vue as a dependency of your project npm install @ionic/vue
5. Add Ionic as a Vue plugin in your main.js

// [...]

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Math.random().toString(36).slice(-10);