Html5 Audio The html5 audio element provides a simple api to play sound files like mp3, ogg, wav etc. It can be created by putting an audio tag in the html or by creating an instance of the Audio object in javascript. Here is a quick example of using it from within javascript code. var… Read More »
The Audio element of html5 does not yet have a stop function, but has a pause function. So here is a simple trick to add a stop function to your Audio elements by modifying the prototoype of the class. //Give the Audio element a stop function HTMLAudioElement.prototype.stop = function() { this.pause(); this.currentTime = 0.0; }… Read More »
By default google chrome would keep webgl features disabled if your gpu driver does not support 3d acceleration. However there are options to force enable it. To enable webgl in Google Chrome launch it with the following flags –enable-webgl –ignore-gpu-blacklist Here is the command: $ google-chrome –enable-webgl –ignore-gpu-blacklist Now test webgl by opening the following… Read More »
WebGL WebGL (Web Graphics Library) is a JavaScript API for rendering interactive 3D graphics and 2D graphics[2] within any compatible web browser without the use of plug-ins. It is analogous to a 3D graphics api like OpenGL but runs inside a web browser and programmed in javascript instead of C or C++. The important thing… Read More »
Sometime back I was making a browser based game in the html5 canvas tag which had some audio too. The html5 audio tag is an easy option to add sound/music to any webpage. It can play variety of formats like wav, ogg and mp3. However format support itself varies across browsers. The audio element can… Read More »
I recently needed to convert some mp3 audio files to ogg format so that the html5 audio tag could play them in mozilla firefox. Had to search a bit to find out how to do this easily and here are the results. There is an excellent application called soundconverter ( soundkonverter for kde users )…. Read More »
Demo First lets play the game that we shall be making in this tutorial. Its called Fruit Hunter. Tested on Chrome and Firefox. Click in the game then start using the arrow keys to control the monkey. Press the left, right and up arrow keys to make the monkey move and jump. Do not fall… Read More »
Cost per click is the amount google pays for a particular click that was generated on an ad on your website. This is not constant and can vary a lot depending on various factors. It can be as low as $0.01 (which is not uncommon) and be as high as $20 (it can be even… Read More »
Adsense Cpc Cpc or cost per click is the amount of money you are paid for each click that occurs on the adsense ads. Higher the cpc higher the earning per click. So publishers are always looking for ways to increase their cpc. So what does cpc depend on. Simply put, it depends on the… Read More »
Applications often allow users to select their timezones for reporting the proper time properly. Here is a quick function that can be used to generate a dropdown list of timezones that is easy to read and understand. <?php function get_timezones() { $o = array(); $t_zones = timezone_identifiers_list(); foreach($t_zones as $a) { $t = ''; try… Read More »
Here is a php array containing the language codes and language names as specified by the iso 639-1 standard. Useful when . <?php /** ISO 639-1 Language Codes Useful in Locale analysis References : 1. http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes 2. http://blog.xoundboy.com/?p=235 */ $language_codes = array( 'en' => 'English' , 'aa' => 'Afar' , 'ab' => 'Abkhazian' , 'af'… Read More »
Imagick In a previous article we saw how to use to create a snapshot or thumbnail of the pdf. Now we are going to do the same in php using the Imagick class which provides the bindings for imagemagick library inside php. The library is available in the form of a class Imagick that does… Read More »
Imagemagick Imagemagick is a commandline program/utility that can be used to perform a variety of image manipulations. It supports most image formats. It also has programming apis for various languages like php, python etc making it easy to use as a library. Install Imagemagick on Ubuntu On ubuntu install it by typing the following in… Read More »
Curl According to the official website. curl is a command line tool for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, Telnet and TFTP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload,… Read More »
Most if not all adsense publishers are looking for ways to increase their ctr (click through rate) to increase their adsense earnings. Ctr is the percentage of clicks per 1000 impressions. In other words increasing ctr means to increase the number of clicks at the same level of traffic (visits or pageviews per day or… Read More »
Barcodes Barcodes are used in various business class applications to print information in encoded format such that it can be read later by barcode reading devices. Common places to see barcodes are product covers in shops, membership cards and documents like invoices etc. As php is now increasingly being used to develop such applications, barcodes… Read More »
NMAP – Network Mapper Nmap is the most popular (and most featureful) port scanning tool out there. And although it appears like a small port scanning utility, it has a lot of hidden potential to serve as a powerful hacking tool. This is precisely what we shall try to work out in this article. In… Read More »
Faster internet speed is what everyone wants, so here a few tips to increase the speed of your bsnl broadband internet. The results may vary and are not guaranteed to give consistent improvement. 1. Select the fastest dns server Select the fastest dns server for your computer. Common choices are open dns server, google dns… Read More »
A simple trick to increase the speed of your bsnl broadband is to use the fastest dns server available. Now most articles and tutorials talk about using opendns. However opendns may not be the fastest dns server. The dns server’s speed has to be found out by doing a simple ping test. Lets say we… Read More »
Tcpdump Tcpdump is a commandline network analyzer tool or more technically a packet sniffer. It can be thought of as the commandline version of wireshark (only to a certain extent, since wireshark is much more powerful and capable). As a commandline tool tcpdump is quite powerful for network analysis as filter expressions can be passed… Read More »