andineck

$filePath = "test.txt"


# write append to file
echo 'halloo' >> $filePath

# write empty file
echo $null > $filePath

andineck

var assert = require('assert');
var buf, buf2;

buf = new Buffer([0x00, 0x41, 0x7f]);
buf2 = new Buffer(buf.toString());

//console.log(buf, buf2);
// -> <Buffer 00 41 7f> <Buffer 00 41 7f>
assert(buf2.equals(buf), 'buffer with normal acii chars can be converted to string and back');
assert.equal(buf2.length, 3);

andineck

// turn function arguments into an array
var args = [].slice.apply(arguments)

andineck

# add `git check ` alias for git add ALL dry-run
git config --global alias.check '!git add -A -n'

andineck

function echo(input) { console.log(input);}
undefined
echo('hallo')
VM304:2 hallo
undefined
// you can add an attribute to a function
echo.prop = 'echooo'
"echooo"
echo.prop
"echooo"

andineck

git shortcuts

andineck

// http://mrcoles.com/blog/cookies-max-age-vs-expires/

var d = new Date();
d.setTime(d.getTime() + 5*60*1000); // in milliseconds
// -> 1427173295425
var gmt = d.toGMTString()
// -> gmt "Tue, 24 Mar 2015 05:01:35 GMT"
var restored = new Date(gmt
// -> restored Tue Mar 24 2015 06:01:35 GMT+0100 (CET)
var gmt2 = restored.toGMTString()

andineck

var a = 1;
//undefined
function showA () { var a = 2; console.log(a);}
//undefined
a
//1
showA()
//2
a
//1

andineck

// test
var els = document.querySelectorAll('[data-block]');

// make blocks global for testing purposes
blocks = Array.prototype.slice.call(els);

var obj = blocks;
Object.keys(obj).forEach(function(key) {
  console.log(key, obj[key], obj[key].classList);
});

andineck

// require() some stuff from npm (like you were using browserify)
// and then hit Rebuild to run it on the right
var level = require('level-browserify')

// 1) Create our database, supply location and options.
//    This will create or open the underlying LevelDB store/Indexedb Database
var db = window.levelDB = level('./mydb')

// 2) put a key & value
db.put('name', 'Level', function (err) {