Aseem Kishore aseemk

Curl Reference

Use the curl command line tool from your terminal window to access web pages, resources, and API's. This swiss-army knife of the internet also supports many more protocols and tools.

Command format

curl [options] URL

The complete, offical reference page is here.

Debugging & Profiling Node.js - Moved! Click here to be redirected to the new location.

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = git@github.com:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

Working With Github Pages

The FAQ maintained by Github covers most stumbling blocks, some other tips and tricks supplied here.

Gitignore

Add _site to .gitignore. The generated site should not be uploaded to Github since its gets generated by github.

	var cluster = require('cluster');
	var PORT = +process.env.PORT \|\| 1337;

	if (cluster.isMaster) {
	// In real life, you'd probably use more than just 2 workers,
	// and perhaps not put the master and worker in the same file.
	cluster.fork();
	cluster.fork();

	cluster.on('disconnect', function(worker) {

	var svg = document.getElementById('graph'),
	xml = new XMLSerializer().serializeToString(svg),
	data = "data:image/svg+xml;base64," + btoa(xml),
	img = new Image()

	img.setAttribute('src', data)
	document.body.appendChild(img)

	// Wrapping asynchronous functions
	// This wrapper is implemented with callbacks
	// i is the index of the callback in the parameter list
	// isFuture is a reserved parameter - do not pass it
	function wrapper1(fn, i, isFuture) {
	return function wrapped() {
	var cb = arguments[i];
	if (!isFuture) console.log("WRAPPER1 BEFORE CALL: " + fn.name);
	if (cb == null) return wrapper1(fn.apply(this, arguments), 0, true);
	arguments[i] = function(err, result) {

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'