Adding element in an array in php
PHP | array_push() function We can add elements to an array in an easy way. There is an inbuilt function array_push() in PHP which is used to add elements to the PHP array. With the …
Select date range from timestamp column
SQL | Timestamp in where clause to select the date range Select date range from the timestamp column with where clause can be done by using the BETWEEN operator. BETWEEN Operator : The BETWEEN operator selects …
Add gradient text using CSS
CSS | Gradient Text There are three different CSS properties required to add a gradient overlay to a text. background-image: <gradient> background-clip: text text-fill-color: transparent background-image: <gradient> <gradient> will replace with any gradient style which …
Django order_by query set
Django | order_by query set, ascending and descending order_by() The order_by function is used to sort the result-set in ascending or descending order. Ascending Order The order_by function sorts the records in ascending order by …
Delete records in Django models?
Django | Delete records in Django models Delete query performs an SQL delete query on all rows in the queryset and returns the number of objects deleted and a dictionary with the number of deletions …
What is the difference between a session and cookies in PHP?
Session V/S Cookies A cookie is an array of data stored by the browser on the client location and sent to the server with every request. It stores a limited amount of data about 4kb(i.e.: 4096 …
Differentiate between new and override modifiers.
Python | New and Override Modifiers The new modifier is used to instruct the compiler to use the new implementation and not the base class function. The Override modifier is useful for overriding a base class …
How to get html attribute's value in jquery?
Jquery | attr | Get HTML attribute's value You can get the value of an attribute for the first element in the set of matched elements using the .attr() function. Return the value of …
Git status to check the status
Git | git status to check the status of the current branch The git status command displays all the necessary information about the working directory and the staging area. git status It displays information like: …
What is :: operator and in what case we use it in php?
PHP | :: operator | scope resolution operator This operator is known as the scope resolution operator. And this operator is used to access the static members of the class. To access static members of a …
What is the difference between primary key and unique constraints?
SQL | Difference between primary key and unique constraints There is only one primary key in a table. It creates the clustered index automatically and it cannot have NULL value whereas there can be multiple …
Git checkout to Switch branch
Git | git checkout to Switch branch Git checkout is mostly used for switching from one branch to another. It is also used to check out files and commits. Switch to a branch This command …