aceakash

# Open ~/.bashrc and add the following lines
if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi

export GIT_PS1_SHOWDIRTYSTATE=1

export PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w\[\033[01;33m\]$(__git_ps1)\[\033[01;34m\] \$\[\033[00m\] '

aceakash

# find a button by id, name or value; then click it
find_button('save').click

aceakash

# ----------------- tar-zip a folder 
tar -zcvf path/archive-name.tar.gz directory-path/
# e.g.
tar -zcvf ~/nginx-all.tar.gz /etc/nginx/

# ----------------- copy contents of a folder
cp -a /source/. /dest/

# ----------------- download a file off a remote server
scp USERNAME@REMOTE_HOST:FILE_NAME_IN_HOME_DIR LOCAL_DIR

aceakash

// Execute shell command and retrieve output with 'execute'
"groovy -v".execute().text

//---------------------------------------

// repeating something a fixed number of times with 'times'
// accessing the only value in a closure with 'it'
3.times { println "Hello! This is $it" }

//---------------------------------------

aceakash

var gulp = require('gulp');
var jasmine = require('gulp-jasmine');

require('coffee-script/register');

gulp.task('test', function () {
  return gulp.src('*.spec.coffee')
    .pipe(jasmine());
});

aceakash

// --------------------------------------------
// You have a value that is either a scalar or an array. You want an array in either case.
function ensureArray(scalarOrArray) {
  return [].concat(scalarOrArray);
}

// --------------------------------------------
// You want a clone of an array.
function cloneArray(originalArray) {
  return originalArray.slice(0);

aceakash

var fs = require('fs');
var _ = require('lodash');
var sys = require('sys');
var exec = require('child_process').exec;

function puts(error, stdout, stderr) { 
	sys.puts(stdout) 
}

_(fs.readdirSync('.'))

aceakash

Write a function called sumIntervals that accepts an array of intervals, and returns the sum of all the interval lengths.

Overlapping intervals should only be counted once.

Intervals

Intervals are represented by a pair of integers in the form of an array. The first value of the interval will always be less than the second value. Interval example: [1, 5] is an interval from 1 to 5. The length of this interval is 4.

aceakash

{
    "rules": {
        "indent": [2, 2],
        "quotes": [2, "single"],    
        "linebreak-style": [2, "unix"],
        "semi": [2, "always"],
        "no-underscore-dangle": 0,
        "curly": 0,
        "no-use-before-define": [2, "nofunc"],
        "spaced-comment": [2, "always"],

aceakash

require 'bunny'

conn = Bunny.new
conn.start
ch = conn.create_channel
q = ch.queue('hello')

begin
  puts " [*] Waiting for messages in #{q.name}. To exit press CTRL+C"
  q.subscribe(:block => true) do |delivery_info, properties, body|