PHP

How to check image exists on remote URL

Mahabubur Rahman July 28, 2021

Sometimes we need to check the image link valid or invalid. So we have to solve this problem. In PHP we can check a li…

js

JS - 4 : How to resize an array?

Mahabubur Rahman July 05, 2021

How to  resize  an array? We can resize an array very simple way. See the following example -  let animals = ["Dog…

js

JS - 3 : How to flatten a multidimensional array?

Mahabubur Rahman July 05, 2021

How to  flatten  a multi-dimensional array? So our todays problem is we have a multidimensional array we want to conve…

js

JS - 2 : How to Convert any value to boolean?

Mahabubur Rahman July 05, 2021

Convert any value to  Boolean. There are only two Boolean value true and false . But some time we need to convert stri…

js

JS - 1 : How to remove falsy values from an array?

Mahabubur Rahman July 03, 2021

How to remove  falsy  values from an array?  The problem is we have an array and the array has some falsy values. So we…