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@erichonorez
erichonorez / rest_api.js
Created February 10, 2013 19:09
A simple REST API with Node.js and Express
/**
* TaskRepository class deals with task persistence
*/
function TaskRepository() {
this.tasks = [];
this.nextId = 1;
}
/**
* Find a task by id
* Param: id of the task to find
(function() {
// NOTE: I have intentionally avoided the use of jQuery in
// the next two functions so as not to obscure any details.
// Updates the DOM in such a way that layout is constantly
// computed and thrown away.
var UpdateThrash = function(data) {
// Get all the labels
var spans = document.querySelectorAll('.item .lab');
@chensoren
chensoren / gist:3081970
Created July 10, 2012 08:11
nodejs AES encrypt and decrypt
var crypto = require('crypto');
var AESCrypt = {};
AESCrypt.decrypt = function(cryptkey, iv, encryptdata) {
encryptdata = new Buffer(encryptdata, 'base64').toString('binary');
var decipher = crypto.createDecipheriv('aes-256-cbc', cryptkey, iv),
decoded = decipher.update(encryptdata);
@jboner
jboner / latency.txt
Last active April 19, 2025 21:29
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@kitek
kitek / gist:1579117
Created January 8, 2012 17:50
NodeJS create md5 hash from string
var data = "do shash'owania";
var crypto = require('crypto');
crypto.createHash('md5').update(data).digest("hex");
@benatkin
benatkin / Global.sublime-settings
Created July 20, 2011 04:26
excluding node_modules from Sublime Text 2
// Place user-specific overrides in this file, to ensure they're preserved
// when upgrading
{
"folder_exclude_patterns": [".svn", ".git", ".hg", "CVS", "node_modules"]
}