Webner Blogs – eLearning, Salesforce, Web Development & More

There are two different ways for making the image background transparent in Gimp: For white color background: 1. Open the required image in Gimp: 2. Go to layer > Transparency>color to alpha as given below in the screenshot: 3. Above

Using Anonymous Inner Classes in Java: Before getting into the depth of Anonymous inner classes, let’s understand a bit about inner classes first. As the name implies, a class which is declared and defined inside another class just like a

Static and Non-Static Inner classes: Static Nested Classes: Static Nested Classes are the static classes in Java which are created inside another outer class. As these are declared inside another class with keyword ‘static’, therefore they are treated like the

Sometimes Slider Revolution slider does not stop moving the slides even if the user is typing the data in the input box on the slides . Solution : We can stop the Slider on hover or after some time in

While working on two servers, we can take the backup of database on one server using mysqldump command in php. Example : exec(‘mysqldump –host ‘.$dbhost.’ –user ‘.$dbuser.’ –password=’.$dbpass.” “. $dbname.’ > ‘.$dbname.’.sql’); After creating dump of database, user can move

What are web crawlers? Web crawlers are programs or scripts which search engines use to gather certain types of data from the websites and check links and update the indexes, so that search engines can show up-to-date results. Most of

Scaffolding in CakePHP Application scaffolding in CakePHP is a technique that allows the developer to define and create a basic application that can create, retrieve, update and delete objects. Basically CRUD (create, Read, Update, Delete) data operations are common in

Suppose a website page displays the list of subjects along with information and corresponding image. Html “div” with classname “.subjects” are generated dynamically in accordance with database records of subjects with custom attribute assigned as “data-subjectid” to each div which

How to specify an extra field (not existing in the table) while fetching data from database using find method? Solution is explained below. Assign value to virtual field before find function call: $this->virtualFields[‘virtual_field_name’] = ‘any value’; Use virtual field in