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css link remove dotted outline

Its quite awkward to look at the link, when it is clicked and the dotted outline appears on it. To overcome it, just add the following line to your css file: a { outline: 0; } For example, to remove the dotted outline for the menu links on your page, add this to your css: #navigation li a {    outline: 0; } ( Assuming you have this menu structure: <ul id="navigation"><li><a href="news.html">News</a></li></ul> )
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Javascript get array key from value

This is an example function that can search for a key in a javascript array and return it... function check(v) {     var x = new Array();     x = { a: '1', b: '2', c: '3' };         for(var key in x)     {         if(x[key] == v)         console.log(key);     } } Test: check(2);   // b
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joomla remove category name in url

-) If anyone is using the lyftenbloggie component, and want to remove the component name and category title from the sef url, follow this hack: (Note: You also need to install the lyftenbloggie extension for ARTIO SEF) Under components/com_sef/joomsef.php, After this code: $location = array();         foreach ($title as $titlePart) {             if (strlen($titlePart) == 0) continue;             $location[] = JoomSEF::_titleToLocation($titlePart);         } Just add this code: if($location[0] == 'lyftenbloggie')         {         $temp_sef = end($location);         $location = array();            $location[] = $temp_sef;         ...
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php read file line by line, write file line by line

The following code is an example to write to a file line-by-line: if(file_exists("files/john") && is_dir("files/john")) $myFile = "files/john/msg.txt"; else { mkdir("files/john"); $myFile = "files/john/msg.txt"; } $fh = fopen($myFile, 'a') or die("can't open file"); $stringData = date("d-M-Y H:i:s").' : '.trim($_POST['msg']); fwrite($fh, $stringData." "); fclose($fh); Read a file line-by-line: $filename = "test.txt"; $fp = fopen( $filename, "r" ) or die("Couldn't open $filename"); while ( ! feof( $fp ) ) {    $line = fgets( $fp, 1024 );    print "$line<br>"; }
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htaccess disable directory browsing, disable file listing, disable file access

There may be some personal or secure data in a file, that you want to hide from the end user, when it is viewed through a web browser. Ex: http://www.example.com/user_files/24/chat.txt In the above scenario, if the file "chat.txt" contains a secure data, and you dont want to allow end users to directly access the file, or to disable the file listing in the folder "user_files" or "24", use the below code in your .htaccess file inside "user_files" folder: Options -Indexes order allow,deny deny from all
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PHP get, set and convert Timezone

Set the timezone for the script: define('TIMEZONE', 'Asia/Calcutta'); // INDIA date_default_timezone_set(TIMEZONE); Get the default (script) timezone: date_default_timezone_get(); Get ini set timezone: ini_get('date.timezone'); Get timezone name: date("T"); Set timezone example: date_default_timezone_set('Europe/London'); // GMT GMT to IST conversion example: $event_length = 330; // IST is 5:30 ahead of GMT, so add 330 minutes $timestamp = strtotime(date("H:i:s")); $etime = strtotime("+$event_length minutes", $timestamp); $ist_time = date('H:i:s', $etime); echo '<br>'.'GMT - IST: '.$ist_time;
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Parsing json data

HTML code: <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js" type="text/javascript"></script> <script type="text/javascript"> function get_json() {     $.post('json.php', function(data) {       var resp = eval('(' + data + ')');       var msg = resp.fruits;       console.log(msg);          alert(msg.letter+': '+msg.name);     }); } </script> </head> <body> <div style="margin:10px;" align="left"> <a href="javascript:void(0);" onclick="get_json();">Get Json response</a> </div> </body> PHP code: <?php echo json_encode(array('fruits'=>array('letter'=>'a', 'name'=>'apple'))); ?>
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