## Check whether Two Strings are Anagrams of each other

Write a program to check whether two strings are anagrams of each other.

## What is an Anagram ?

Two strings are said to be anagrams of each other if it contains the same characters, only the order of characters in both the strings is different. In other words, both strings must contain the same exact letters in the same exact frequency.

## How to Debug Sql Queries in Laravel

How to debug SQL queries in Laravel & Lumen. During development of an application, there may be times when we need to write large and complex queries. Laravel provides an awesome query builder and ORM (Eloquent) to do this task effortlessly. But sometimes we would like to see the actual SQL being generated.

## How to Check if a Number is a Power of 2

How to check if a number is a power of 2.  To understand this question, let’s take some example.

Example –

Input – 16   – 16 is a power of 2 (2^4).

Input – 15 – 15 is not a power of 2.

Input – 32- 32 is a power of 2 (2^5).

We can use multiple approaches to check whether a number is a power of 2 or not.

## Reverse a String in PHP without using strrev() Method

Write a script to reverse a string in PHP without using strrev() method. In PHP, we can reverse a string easily using strrev() method. But think how will you reverse a string without using an inbuilt strrev() method.

## Create Seo-Friendly URLs with htaccess – URL Rewriting

How to create SEO-Friendly URLs with htaccess . How to Rewrite dynamic URLs to SEO-Friendly URLs using htaccess . In this URL rewriting tutorial, You’ll learn htaccess directives through which you can rewrite existing dynamic URLs into more meaningful SEO-Friendly URLs.

Now you are thinking why we need to create SEO-friendly URLs, what’s their need. First, let’s  understand why  SEO-friendly URLs are important.

## Late Static Binding in PHP

Late Static Binding is a very important concept in PHP. In this tutorial, We’ll learn what is late static binding and how to use this concept.

In PHP, late static binding is used to reference the called class in the context of static inheritance.

## Find Maximum Subarray Sum in an Array – Kadane’s algorithm

Write a program to find maximum subarray sum in an array. Given an array of N elements, find the maximum possible sum of a contiguous subarray. An array can contain both positive and negative values.

## Deny Access to Files, Folders through htaccess – Deny from All

How to deny access to files, folders through htaccess file. In this tutorial, We are going to learn .htaccess directives through which we can deny direct access to files and folders.

How to Deny Access to Files, Folders through htaccess

## What is .htaccess File?

.htaccess is a configuration file used by a web server (Apache). The full form of htaccess is Hypertext Access. Htaccess files are used to override server global configuration for the directory level in which you place this file.

## Recursion vs Iteration – Difference between Recursion and Iteration

Recursion vs Iteration. What’s the difference between recursion and iteration. Recursion and Iteration both are two different programming approaches. In some cases recursion is best suited and in some other cases iterative way of programming is good.

In programming, repeated set of instructions can be handled either by using recursive or iterative approach in your code. So which approach you choose and why. Let’s talk about recursion vs iteration.