Aleks achudars

🥔

every challenge is an opportunity

Software Engineer with interests in web, cloud, security, UX, and accessibility

achudars / web-snippet-021 ( Clearing floated objects using CSS and HTML )

Last active December 17, 2015 00:19

Clearing floated objects using CSS and HTML

	<div style="overflow:hidden; width:100%">
	<div style="float:left">
	...
	</div>
	</div>

achudars / web-snippet-020 ( Parsing GET and POST in Node.js )

Last active December 17, 2015 00:19

Parsing GET and POST in Node.js

	// Parsing GET
	// parse URL
	var url_parts = url.parse(req.url);
	// parse query
	var raw = querystring.parse(url_parts.query);
	// some juggling e.g. for data from jQuery ajax() calls.
	var data = raw ? raw : {};
	data = raw.data ? JSON.parse(raw.data) : data;

achudars / web-snippet-019 ( Database Connection in PHP )

Last active December 17, 2015 00:19

Database Connection in PHP

	<?php
	if(basename(__FILE__) == basename($_SERVER['PHP_SELF'])) send_404();
	$dbHost = "localhost"; //Location Of Database usually its localhost
	$dbUser = "xxxx"; //Database User Name
	$dbPass = "xxxx"; //Database Password
	$dbDatabase = "xxxx"; //Database Name

	$db = mysql_connect("$dbHost", "$dbUser", "$dbPass") or die ("Error connecting to database.");
	mysql_select_db("$dbDatabase", $db) or die ("Couldn't select the database.");

achudars / web-snippet-018 ( dominant colour of an image using PHP )

Last active December 17, 2015 00:19

Determine the dominant colour of an image using PHP

	$i = imagecreatefromjpeg("image.jpg");

	for ($x=0;$x<imagesx($i);$x++) {
	for ($y=0;$y<imagesy($i);$y++) {
	$rgb = imagecolorat($i,$x,$y);
	$r = ($rgb >> 16) & 0xFF;
	$g = ($rgb >> & 0xFF;
	$b = $rgb & 0xFF;

	$rTotal += $r;

achudars / web-snippet-017 ( Use Gravatars in Your Application using PHP )

Last active December 17, 2015 00:19

Use Gravatars in Your Application using PHP

	/******************
	*@email - Email address to show gravatar for
	*@size - size of gravatar
	*@default - URL of default gravatar to use
	*@rating - rating of Gravatar(G, PG, R, X)
	*/

	function show_gravatar($email, $size, $default, $rating)
	{
	echo '<img src="http://www.gravatar.com/avatar.php?gravatar_id='.md5($email).

achudars / web-snippet-016 ( Get Real IP Address of Client )

Last active December 17, 2015 00:19

Get Real IP Address of Client (even if he is behind a proxy server) using PHP

	function getRealIpAddr()
	{
	if (!emptyempty($_SERVER['HTTP_CLIENT_IP']))
	{
	$ip=$_SERVER['HTTP_CLIENT_IP'];
	}
	elseif (!emptyempty($_SERVER['HTTP_X_FORWARDED_FOR']))
	//to check ip is pass from proxy
	{
	$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];

achudars / web-snippet-015 ( Encode Email Address using PHP )

Last active December 17, 2015 00:19

Encode Email Address using PHP

	function encode_email($email='[email protected]', $linkText='Contact Us', $attrs ='class="emailencoder"' )
	{
	// remplazar aroba y puntos
	$email = str_replace('@', '@', $email);
	$email = str_replace('.', '.', $email);
	$email = str_split($email, 5);

	$linkText = str_replace('@', '@', $linkText);
	$linkText = str_replace('.', '.', $linkText);
	$linkText = str_split($linkText, 5);

achudars / web-snippet-014 ( Watermark images automatically using PHP )

Last active December 17, 2015 00:19

Watermark images automatically using PHP

	function watermarkImage ($SourceFile, $WaterMarkText, $DestinationFile) {
	list($width, $height) = getimagesize($SourceFile);
	$image_p = imagecreatetruecolor($width, $height);
	$image = imagecreatefromjpeg($SourceFile);
	imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width, $height);
	$black = imagecolorallocate($image_p, 0, 0, 0);
	$font = 'arial.ttf';
	$font_size = 10;
	imagettftext($image_p, $font_size, 0, 10, 20, $black, $font, $WaterMarkText);
	if ($DestinationFile<>'') {

achudars / web-snippet-013 ( Creates image data URIs using PHP )

Last active December 17, 2015 00:19

Creates image data URIs using PHP

	// A few settings
	$image = 'cricci.jpg';

	// Read image path, convert to base64 encoding
	$imageData = base64_encode(file_get_contents($image));

	// Format the image SRC: data:{mime};base64,{data};
	$src = 'data: '.mime_content_type($image).';base64,'.$imageData;

	// Echo out a sample image

achudars / web-snippet-012 ( Use of regular expressions in HTML5 )

Last active December 17, 2015 00:19

Use of regular expressions in HTML5

	<form action="" method="post">
	<label for="username">Create a Username: </label>
	<input type="text"
	name="username"
	id="username"
	placeholder="4 <> 10"
	pattern="[A-Za-z]{4,10}"
	autofocus
	required>
	<button type="submit">Go </button>