hsleonis

Basic: (50x50 pixels)
    <img src="//graph.facebook.com/nusraatfariaofficial/picture">

Square:
    maximum width and height of 50 pixels.
Small
    maximum width of 50 pixels and a maximum height of 150 pixels.
Normal
    maximum width of 100 pixels and a maximum height of 300 pixels.
Large

hsleonis

<?php
/**
 * Gets a WP_Theme object for a theme
 * Reference: https://developer.wordpress.org/reference/functions/wp_get_theme
 */
 
// Echo the name of the current active theme
echo wp_get_theme();

// Echo the name of an installed theme

hsleonis

<?php
/**
 * Parse the plugin contents to retrieve plugin's metadata
 * Works only in wp-admin
 * Reference: https://codex.wordpress.org/Function_Reference/get_plugin_data
 */
get_plugin_data( $plugin_file, $markup = true, $translate = true );

/*
Return value:

hsleonis

# HTML Inline:
To make specific link send no referer url:
    <a rel="noreferrer" href="http://w3schools.com">Link</a>

# JQuery method:
<script>
  $(function(){
    $("a").attr('rel','noreferrer');
  });
</script>

hsleonis

/**
 * Date format received from Yahoo: 2016-04-03T19:00:00+05:30
 * Date format needed: Mon, 03 April 2016
 * 
 * Ref.: http://www.w3schools.com/js/js_dates.asp
 */
 
 var d = new Date('2016-04-03T19:00:00+05:30');
 document.write(d.toUTCString().slice(0,16));

hsleonis

<?php
$homepage = file_get_contents('http://www.w3schools.com/games/game_canvas.asp');
$str=str_replace("href=\"", "href=\"http://mysite.com", $homepage );
echo $str;

hsleonis

/**
 * Toggle two classes
 */
$("#toggler").toggleClass("lightOn lightOff");

/**
 * Wrap an HTML structure around each element in the set of matched elements
 * Reference: http://api.jquery.com/wrap
 */
$( ".inner" ).wrap( "<div class='new'></div>" );

hsleonis

/**
 * Syntax: window.open(URL,name,specs,replace)
 * Reference: http://www.w3schools.com/jsref/met_win_open.asp
 */
var URL = 'http://w3schools.com';
window.open( URL, "wo_map_console","height=650,width=800,toolbar=no,statusbar=no,scrollbars=yes").focus();

hsleonis

var strTitle = document.title,
    iIndex = 0;

function animateTitle(){
    document.title= strTitle.substring(iIndex, iIndex + 145);
    if(iIndex == strTitle.length-1){ iIndex = 0;}
    else iIndex++;
    setTimeout("animateTitle()",200);
}
animateTitle();

hsleonis

Array.prototype.remove = function(from, to) {
	var rest = this.slice((to || from) + 1 || this.length);
	this.length = from < 0 ? this.length + from : from;
	return this.push.apply(this, rest);
};