There are two ways to “undo” last commit, depending on whether or not you have already made your commit public (pushed to your remote repository): How to undo a local commit Lets say committed locally, but now want to remove that commit. git log commit 101: bad commit # latest commit, this would be called […]
Continue Reading →Here is the way to edit last git commit message. git commit –amend -m “www.learnhow2do.com” git commit –amend is the way to overwrite the last commit. But if you want to overwrite the files also, then use git commit -a –amend -m. git commit -a –amend -m “www.learnhow2do.com”
Continue Reading →There is a simple PHP script to redirect a user from the page they entered to a different web page. The main reason to do this is that the page they are trying to access no longer exists or no permission to enter. Using this method, they can be seamlessly transferred to the new page […]
Continue Reading →<div id=”learnhow2do”><img src=”…” alt=”” /></div> Here is the way to use a selector to select the child img of the div. jQuery(‘#learnhow2do’).find(“img”); OR jQuery(‘#learnhow2do’).children(“img”);
Continue Reading →Here JQuery is not necessary. We can just use JavaScript to do that. And There are two methods to do that. One is window.location.href = and the other one is window.location.replace(…) window.location.replace(…) will best simulate an HTTP redirect. If you want to simulate someone clicking on a link, use location.href. If you want to simulate […]
Continue Reading →Here is a function to retrieve query string values via JavaScript. function getParameterByName(name) { name = name.replace(/[\[]/, “\\\[“).replace(/[\]]/, “\\\]”); var regexS = “[\\?&]” + name + “=([^&#]*)”; var regex = new RegExp(regexS); var results = regex.exec(window.location.search); if(results == null) return “”; else return decodeURIComponent(results[1].replace(/\+/g, ” “)); }
Continue Reading →There is an easy way to delete an element from a php array. It is unset. <?php $x = array(1, 2); unset($x[0]); var_dump($x); ?> result is, array(1) { [1]=> int(2) } unset (PHP 4, PHP 5) unset — Unset a given variable void unset ( mixed $var [, mixed $… ] ) unset() destroys the specified variables. The behavior of unset() inside of a function can […]
Continue Reading →Each YouTube video has 4 generated images. They are predictably formatted as follows: http://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (ie. one of 1.jpg, 2.jpg, 3.jpg) is: http://img.youtube.com/vi/<insert-youtube-video-id-here>/default.jpg For the high quality version of the thumbnail use a url similar to […]
Continue Reading →MIME type for JSON is application/json. AFIK IANA has officially registered a MIME type for JSON as application/json in RFC4627, and also is listed in the Internet Media Type list.
Continue Reading →If you need to check the checked property of a checkbox and perform an action based on the checked property using jQuery. Here is the way to do it. if ($(‘#isAgeSelected’).is(‘:checked’)) { $(“#txtAge”).show(); } else { $(“#txtAge”).hide(); }
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