GitHub is a web-based platform built around Git. It serves as a hosting service for Git repositories and provides additional collaboration features. It allows you to store your Git repositories in the cloud, making it easier to share and collaborate with others on your projects. GitHub provides a web interface for managing repositories, performing tasks like creating and managing branches, viewing commit history, comparing changes, and resolving conflicts. It offers features like pull requests, issue tracking, code review, and project management tools to facilitate collaboration among team members. GitHub also provides social features like the ability to follow other users, star repositories, and discover open-source projects.

To use . After adding Firebase to your Android app, you can initialize the Firebase SDK in your app's main activity using the following code: This code retrieves all documents from the "users" collection in Cloud Firestore and logs their IDs and data to the console.

user can use the CREATE FUNCTION statement to create a function in MySQL . The basic syntax is as follows: In this example, we create a function called sumintegers that takes two integer parameters a and b, and returns the sum of these two integers as an integer value. Inside the function body, we declare a local variable result, set its value to the sum of a and b, and then return the value of result using the RETURN statement. Once the function is created, you can call it like any other MySQL function: This will return the value 5.

To change an () after you're done with it.

To return only numbers from a string in JavaScript, you can use regular expressions and the match() method. Here's an example: In this example, we chain the () constructor.

No, the method only works for the most recently executed query, so if you execute multiple queries in your code, you should call this method immediately after executing the query you want to inspect.

To write data to a CSV file in Python, you can use the built-in () method of the CSV writer object to write the row to the CSV file. Once the CSV file has been written, you can open it in a spreadsheet program like Excel or Google Sheets to view the data.

To copy a directory from one location to another in PHP without using any external libraries, you can use a combination of built-in functions such as () function and then follows the same logic as the main function for copying the files and subdirectories. This code will copy the entire source directory to the destination directory, including all subdirectories and files.

The. The syntax for the INSTR function is as follows: In this example, the INSTR function is used to search for the substring 'Overflow' within the string 'Array Overflow'. Since the substring is found starting at position 8, the function returns the value 8. The INSTR function can be useful in many scenarios, such as searching for a specific substring within a longer string, or determining the position of a character within a string for further processing.

To get or read a JavaScript cookie with PHP, you can . Here's an example code snippet: In this example, the isset() function is used to check if the cookie named 'cookie_name' exists in the $_COOKIE superglobal array. If the cookie exists, its value is assigned to the $cookieValue variable, which can be used as needed in the rest of the PHP code. If the cookie does not exist, an error message is displayed. Note that cookies set by JavaScript are available in the $_COOKIE superglobal array only after the browser sends them to the server with subsequent requests. Therefore, if the cookie was just set by JavaScript, it may not be immediately available in the $_COOKIE array.

. Web developers may also use content management systems (CMS) such as WordPress or Joomla, which provide pre-built templates and features for creating websites more easily. In recent years, web development has evolved to include a variety of new technologies and frameworks, such as React, Angular, Vue.js, and Node.js, which enable the creation of more sophisticated and scalable web applications.

The UCASE function converts a given string or character to upper case() and the UCASE function works with static string and given string field as well. above query returns "A"(upper case of 'a')

use operator to check weather variable is None or not in Python '' empty string does not means None so it will print "not a None Type"

There etc. which are made in PHP. So there is no chance PHP get dead in this decade.

++ is not allowed in Python. in Python , you can use + sign to plus arithmetic operation. so it will print 2 in above code

when creating cursor, pass parameter buffered= True. buffered= True says that it should read result every time fresh otherwise with fetchone() method , it will not read same data over and over again

need to put ; (semicolon) to end the at every PHP statement the following control operators are not ended with semicolon if else elseif / else if for foreach while do-while switch goto each above have its own way of using it.

to use of eval() function is not safe, it gives gateway to the hacker to get sensitive information of the program or system so avoid using of eval() in Python

Linux : 1. FIrst of all install Anaconda, run the following command to install conda at the terminal

Neither Python or PHP is better than each other because both are great. each have their own plus and minus, each has their own applicable area . Python have good use at AI and PHP had good use at website development .but still its depend on the what feature you need and based on that one can say its better to use Python or PHP