Node JS MCQs - 3
What is the purpose of the npm install command in Node.js? A) To initialize a new Node.js project B) To install dependencies for a No...
Node JS MCQs - 2
What is the purpose of the Buffer class in Node.js? A) To manipulate binary data B) To manage HTTP requests C) To handle file syst...
Node JS MCQs - 1
What is Node.js? A) A JavaScript runtime built on Chrome's V8 JavaScript engine B) A front-end framework for building user interf...
PHP MCQs - 10
What is the output of the following code snippet? $x = 10; $y = 3; echo $x % $y; A) 3 B) 1 C) 0 D) 2 Answer: ...
PHP MCQs - 9
What is the output of the following code snippet? $x = 5; echo ++$x * 2; A) 12 B) 14 C) 11 D) 10 An...
PHP MCQs - 8
What is the purpose of the array_search() function in PHP? A) Searches for a value in an array and returns its key B) Searches for a ...
PHP MCQs - 7
What is the purpose of the session_destroy() function in PHP? A) Starts a new session B) Destroys all session variables C) Removes...
PHP MCQs - 6
What is the purpose of the glob() function in PHP? A) Converts a string to lowercase B) Searches for files matching a specified patte...
PHP MCQs - 5
Which of the following PHP functions is used to determine whether a variable is empty? A) empty() B) isset() C) is_empty() D) n...
PHP MCQs - 4
Which of the following PHP superglobals contains information about files uploaded to the server? A) $_FILES B) $_POST C) $_GET D) $_S...
PHP MCQs - 3
What is the output of the following code snippet? $a = 5; $b = 10; echo ($a > $b) ? "Greater" : "Smaller"; ...
PHP MCQs - 2
What is the result of the expression 10 % 3 in PHP? A) 3 B) 1 C) 0 D) 2 Answer: B) 1 Which of the following is u...
PHP MCQs - 1
What does PHP stand for? A) Personal Home Page B) Preprocessed Hypertext Processor C) PHP: Hypertext Preprocessor D) Hypertext ...
Error : Can't bind to 'ngForOf' since it isn't a known property of 'li' (used in the '_HomeComponent' component template).
The error message you're encountering suggests that Angular doesn't recognize the ngForOf directive in your component template. This typically...
Email Validation using JS Script & PHP Integration
To validate an email address using both PHP and JavaScript, you can use the following approach: 1. Using JavaScript for Frontend ...
Laravel Artisan commands for cache
Application Cache: This includes route cache, configuration cache, and other cached data. php artisan cache:clear Route Cache: If...
Understanding variables, loops, conditionals in centos
Understanding variables, loops, conditionals, and other fundamental concepts in shell scripting is essential for writing effective scripts to automate...
Writing simple scripts to automate tasks in centos
To automate tasks on CentOS using shell scripts, you can write simple scripts to perform repetitive tasks efficiently. Here's an example of writin...
Basics of shell scripting in centos
Shell scripting allows you to automate tasks and execute commands in a sequence, making it a powerful tool for system administration and automation on...
Tuning system parameters for better performance in centos
Tuning system parameters is essential for optimizing performance and improving the efficiency of your CentOS system. Here are some key system paramete...