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Check and Uncheck checkboxes using JQuery

Sometimes we need to Select and Deselect all checkboxes like you see on gmail if you check top checkbox then automatically select other all.So, we can do using jquery and its method prop().In Following example you can see how is that and use this example simply: <strong>Example:</strong> <pre class="code language-html"> <html lang="en"> <head> <title>Select and Deselect Checkbox</title> <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> </head> <body> <input name="subject_all" class="subject-all" type=.....

By Hardik Savani | February 10, 2016 | | 627 Viewer | Category : HTML jQuery
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How to count unique domains from email address field in MySQL ?

you want to count domain from your email address field in mysql. if you are working on PHP then you could do easily by using explode function and counting domains, but that way is a very bad logic and it take max time on execution when you have lot of data. But we can do easily in MySQL by using SUBSTRING_INDEX(). SUBSTRING_INDEX() take a three arguments string, delimeter and number.string is a source of string, the delimeter to search for in the string and the number parameter will search for delimeter.If pass negative in third argument then it will everything from the left of the targeted .....

By Hardik Savani | January 14, 2016 | | 624 Viewer | Category : PHP MySql
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How to use each loop with class element of html in Jquery?

Whenever you need to use each loop in jquery then you can follow this example code. each with html class you can get whole object of that class using $(this) jquery function. In following example you can see i get attribute data-id using $(this).data('id'), that means you can take current class data attribute value. <strong>Example:</strong> <pre class="code language-html"> <html lang="en"> <head> <title>Each Loop with Class Jquery</title> <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> </head> <body> .....

By Hardik Savani | March 4, 2016 | | 619 Viewer | Category : Javascript HTML jQuery
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AngularJS - How to render HTML value in ng-repeat ?

I always post small example of AngularJS function, In this example we learn how to render our HTML code in ng-repeat using trustashtml filter. Sometimes we have array or object of records with html values, at that time we require to use ng-repeat, But we can't simple way render html code, we should require to use trustashtml or ng-bind-html-unsafe etc. So in this example i created one filter for this task using sce trustashtml. filter as like bellow you can see code of that filter using $sce.trustAsHtml. <strong>Filter</strong> <pre class="prettyprint lang-html"> app.filter('trustAsHtml',['$.....

By Hardik Savani | February 4, 2017 | | 618 Viewer | Category : jQuery AngularJS
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How to check if string is URL or not in PHP?

Sometimes, we require to check the given argument or string is URL or not, as specially i did need to check image column is url or not like i give you example how to do this. If you also need to do this then you can use filter_var(). <strong>Example:</strong> <pre class="prettyprint lang-php"> if(filter_var($imagePath, FILTER_VALIDATE_URL) === FALSE){ print_r("Not valide URL"); }else{ print_r("valide URL"); } </pre>

By Hardik Savani | April 18, 2016 | | 614 Viewer | Category : PHP
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How to get file size in php ?

If you require to get file size in php then you can do it easily using filesize() of PHP. Normally we require to get and check on before image uploading. So if you want to get image size then bellow example can help you. It will return size on byte. <strong>Example:</strong> <pre class="prettyprint lang-php"> echo filesize('flower10.jpg') . ' bytes'; </pre>

By Hardik Savani | April 29, 2016 | | 613 Viewer | Category : PHP
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How to Install Sublime Text Editor 3 in Ubuntu?

Sublime Text is a very popular text editor in nowdays. Most of the developer chooes Sublime Test for codding because it is very smooth and pretty easy. I think specially most of the PHP developer are chooes sublime for developing. If you are working on ubunu system then you can install very easily, so just run bellow command for install Sublime Text 3 in Ubuntu. <pre> sudo add-apt-repository ppa:webupd8team/sublime-text-3 sudo apt-get update sudo apt-get install sublime-text-installer </pre>

By Hardik Savani | April 29, 2016 | | 585 Viewer | Category : Ubuntu Sublime
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How to check undefined, empty and null in JavaScript/JQuery ?

If you are working on jquery and However you want to check variable is undefined or not then you can easily check by typeof operator, which is simple, fast and cross-platform: <pre class="language-javascript"> if(typeof i == "undefined"){ alert('undefined'); } </pre> If you are working on jquery and However you want to check variable is empty or not then you can easily check by compare with empty string: <pre class="language-javascript"> if(i == ''){ alert('Empty'); } </pre> If you are working on jquery and However you want to check variable is null or not then you can easily che.....

By Hardik Savani | January 12, 2016 | | 579 Viewer | Category : Javascript jQuery
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Git remove last commit from local

Git is distributed version control system that is a awesome. when ever you are working with git repository. if you did commit your code in your local system by mistake, then if you want to remove last commit from your project. so let's see following example: <strong class="example">Example:</strong> <pre class="prettyprint lang-php"> git add . git commit -m "change for test" git reset --soft HEAD~ </pre>

By Hardik Savani | March 18, 2016 | | 576 Viewer | Category : Git
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How to get max attribute value in jquery?

Sometimes, you have a many tag with same class and attribute with value, but you need to find maximal value of attribute from that comman class, In bellow you have same html tag: <pre class="code language-html"> <ul> <li class="test" data-id="3">hi</li> <li class="test" data-id="5">hey</li> <li class="test" data-id="1">hello</li> </ul> </pre> Now, you require to get max value, i mean you need to 5, because that is big value from other, so you can get maximal value from this way: <pre class="language-javascript"> var max = 0; $('.test').each(fu.....

By Hardik Savani | February 23, 2016 | | 565 Viewer | Category : Javascript HTML jQuery
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