Array - page 2

How to Simulate an Array of Arrays in Bash
How do you declare an array in bash? Can you have an array of arrays? How do you access an array in bash? How do you declare an array variable in shel...
How to Create and Use Array in Bash Script
Create an array Create indexed or associative arrays by using declare. We can explicitly create an array by using the declare command $ declare -a my_...
Associative array in Bash
What is an associative array in bash? How do you loop through an associative array in bash? What is an associative array give example? How do you decl...
How to Remove Duplicate Array Values in PHP
The array_unique() function removes duplicate values from an array. If two or more array values are the same, the first appearance will be kept and th...
Joining Arrays in JavaScript
JavaScript Array concat() Method The concat() method is used to join two or more arrays. This method does not change the existing arrays, but returns ...
PostgreSQL Arrays Tutorial
Can Postgres store arrays? How do I declare an array in PostgreSQL? How do I find the length of an array in PostgreSQL? Which of the following are bui...
Remove Duplicate Array Values in JavaScript
There are multiple ways to remove duplicates from an array. The simplest approach (in my opinion) is to use the Set object which lets you store unique...
Remove a Specific Element from an Array in Bash
Removing an element from the array Using unset (actually assign 'null' value to the element) unset -v 'arr[2]' Use replace pattern if you know the val...
PHP Arrays Tutorial
How can I use array in PHP? What is PHP array function? How do you print the key of an array in PHP? How do I create PHP arrays in a HTML form? Is PHP...
How to Append an Item to Array in JavaScript
JavaScript Array push() Method The push() method adds new items to the end of an array, and returns the new length. Note The new item(s) will be added...
Use of usort() function in PHP
The usort() function in PHP sorts a given array by using a user-defined comparison function. This function is useful in case if we want to sort the ar...
How to Remove Array Element by Value in JavaScript
How do I remove an element from an array by value? How do you delete an element from an array? How do you clear an array in JavaScript? How do I remov...