Hamidreza Soleimani hamidreza-s

Software Engineer / Architect

226 followers · 90 following

Spotify
Stockholm
https://hamidreza-s.github.io

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hamidreza-s / JavaScript - Classical OOP vs. Prototypal OOp.js

Created March 9, 2013 08:55

Object.create is new to JavaScript (it's part of ES5), but NodeJS supports it so we can safely use it. This creates a new object that inherits from another object.

	// --- Classical OOP
	function Person(name) {
	this.name = name
	}
	Person.prototype = {
	greet: function () {
	return "Hello world, my name is " + this.name;
	}
	};

hamidreza-s / PHP - PhpWebCrawler.php

Created April 20, 2013 13:55

With this simple script you can grab content of your desired web site by DOM class of it. Have Fun!

	<?php
	// Set variables
	$url = 'http://path/to/your/target';
	$className = 'foo';

	// Initialize CURL
	$curl = curl_init();
	curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);

hamidreza-s / PHP - Install AMQP Extension

Created May 5, 2013 06:44

Installing AMQP Extension for PHP in CentOS operation system. This will create an amqp.so shared object that needs to be included in your php.ini file. Find the extensions portal of the ini and add “extension=amqp.so”.

	$ git clone git://github.com/alanxz/rabbitmq-c.git
	$ cd rabbitmq-c
	$ git submodule init
	$ git submodule update
	$ yum install libtool
	$ yum install autoconf
	$ yum install automake
	$ yum install php-pear
	$ yum install php-devel
	$ make

hamidreza-s / Shell - Install GitoLite.sh

Last active December 17, 2015 05:39

To have a private and fine grained git server you can follow these steps.

	# On server (admin)
	$ yum install git
	$ useradd gitolite
	$ passwd gitolite
	$ su gitolite
	$ cd
	$ git clone git://github.com/sitaramc/gitolite.git
	$ mkdir bin
	$ gitolite/install -ln
	$ gitolite setup -pk admin.pub

hamidreza-s / NodeJs - Clustering.js

Created June 21, 2013 11:58

A single instance of Node runs in a single thread. To take advantage of multi-core systems the user will sometimes want to launch a cluster of Node processes to handle the load.

	var cluster = require('cluster');
	var http = require('http');
	var numCPUs = require('os').cpus().length;

	if (cluster.isMaster) {

	// Fork workers
	for (var i = 0; i < numCPUs; i++) {
	cluster.fork();
	}

hamidreza-s / NodeJs - InitScript.sh

Last active December 19, 2015 12:29

With this snippet of code you can create a Linux Init Script to be placed in "/etc/init.d/" an set it as a daemon with "chkconfig --add this" command.

	#!/usr/bin/env bash
	# chkconfig: 2345 20 80
	# description: Description comes here....

	start() {
	# code to start app comes here
	/path/to/forever start /path/to/app.js
	}

	stop() {

hamidreza-s / C - Pointers.c

Last active January 1, 2016 00:48

An example to how pointers in C work.

	int main()
	{
	int i, j;
	int *p;
	p = &i;
	*p = 5;
	j = i;
	printf("addresses: i = %d, j = %d, p = %d\n", &i, &j, p);
	printf("values: i = %d, j = %d, p = %d\n", i, j, *p);
	}

hamidreza-s / Erlang - LebtusMiddlewareProposal.erl

Created January 8, 2014 17:57

Just a proposal for Lebtus framework to add use middleware.

	-module(rq_handler).
	-compile({parse_transform, leptus_pt}).

	%% leptus callbacks
	-export([init/3]).
	-export([get/3]).
	-export([use/3]).
	-export([terminate/3]).

	init(_Route, _Req, State) ->

hamidreza-s / Config - DNSRules.conf

Created March 31, 2014 08:41

Iptables rules for allowing incoming and outgoing DNS query.

	# Rules for DNS
	iptables -A OUTPUT -p udp --dport 53 --sport 1024:65535 -j ACCEPT
	iptables -A INPUT -p udp --dport 53 --sport 1024:65535 -j ACCEPT

hamidreza-s / Erlang - ClearConsole.erl

Created April 12, 2014 05:25

How to clear the Erlang shell.

	%% move cursor to beginning of the line
	io:format("\e[H").

	%% clear the console
	io:format("\e[J").

	%% both
	io:format("\e[H\e[J").

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