Developer String-Based Questions 1. Reverse a string — without using built-ins.2. Is it a palindrome? Let’s find out.3. Remove duplicates from a string — efficiently.4. First non-repeating character — who stands alone?5. Count how many times each character appears.6. Flip the words in a sentence, not the letters.7. Are two strings anagrams? Prove it.8. Longest substring … Read more
A Primary Key is a column (or set of columns) in a table that uniquely identifies each row. Think of it like your Aadhar Number or Roll Number in college: That’s exactly how a primary key works in SQL. Rules of Primary Key Example in MySQLTable without primary key: Here, nothing stops two students from … Read more
Union types are one of the most exciting new features in PHP 8. Its accepts values of multiple different data types, rather than a single one. Union Types allow a function, method, or property to accept multiple different types for a parameter, return value, or property. Before PHP 8, you usually had to rely on PHPDoc annotations … Read more
JIT (Just-In-Time) compilation is a technique where code is converted into machine language at runtime instead of being purely interpreted or precompiled. In PHP, this means the Zend Engine (PHP’s core runtime) can translate PHP opcodes (intermediate code) into native machine code just before execution. As a result, PHP can run certain workloads much faster, … Read more
PHP has evolved significantly with the release of PHP 8 and its subsequent versions. Developers now benefit from improved performance, cleaner syntax, and a range of modern programming features. Whether you’re an experienced PHP developer or just starting out, familiarizing yourself with these updates is essential for building efficient, maintainable, and future-ready applications. PHP 8.0 … Read more
What is SQL? SQL (Structured Query Language) is a standard programming language used to communicate with and manage data in relational database management systems (RDBMS) like MySQL, PostgreSQL, Microsoft SQL Server, and Oracle. What are the different types of SQL statements? DDL, DML, DCL, TCLWhat is the difference between WHERE and HAVING?What is a primary key?What is a foreign key?What is the … Read more
The PHP memory limit defines the maximum amount of memory a single PHP script can use. This setting prevents poorly optimized or runaway scripts from consuming excessive resources and crashing your server. By default, the memory limit is often set to 128M or 256M, which is usually sufficient for small or simple websites. However, if … Read more
The Drupal 8+ Paragraphs module is a complete rewrite of the D7 module. Although based on the Entity Reference module in core, Paragraphs requires the Entity Reference Revisions module . The Drupal Paragraphs module can make processes like these much more manageable for non-technical users while also giving developers the ability to control the formatting and appearance … Read more
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Drupal 10 builds upon the Drupal 9 but introduces several key changes and improvements. Below are the main differences: 1. Symfony Upgrade 2. CKEditor Upgrade 3. Theme Changes 4. Removal of Deprecated Code 5. jQuery and Front-End Dependencies 6. New Starterkit Theme Generator 7. JavaScript Modernization 8. Database and Performance Improvements 9. Automatic Updates (Experimental in Drupal 9) 10. PHP Compatibility 11. Modules and Deprecated … Read more