1. What is SDLC? The Software Development Life Cycle (SDLC) is a systematic process for planning, creating, testing, deploying, and maintaining software applications. It provides a structured framework for software development teams to follow, ensuring that the end product meets quality and functionality requirements. 2. Phases of SDLC: SDLC consists of several phases that are […]
Tag: tutorial
Mastering Git: A Comprehensive Guide to Commonly Used Commands
1. Setting Up Git Installing Git Configuring Git 2. Creating a New Repository Initializing a Repository Cloning a Repository 3. Basic Workflow Checking the Status Adding Files Committing Changes Viewing Commit History 4. Branching Creating a New Branch Switching Branches Merging Branches Deleting Branches 5. Remote Repositories Adding a Remote Pushing to a Remote Pulling […]
pdb in Python
What is pdb? pdb stands for “Python Debugger,” and it is the built-in interactive debugger for Python. It’s a powerful tool that allows developers to inspect and debug Python code during runtime. You can use pdb to set breakpoints, step through code, examine variables, and identify issues in your Python programs. Step 1: Import the […]
assert vs raise in Python
assert, format, and raising errors are not interchangeable concepts; they serve different purposes and have distinct use cases in Python. In summary, assert is primarily for debugging and verifying conditions, raise is for raising exceptions in response to errors or exceptional situation. These concepts are not interchangeable and are used for different purposes in your […]
Guide to Using Assertions in Python
Assertions are a powerful tool in Python for debugging and error-checking. They allow you to test assumptions in your code and raise an error if the assumption is false. In this guide, you will learn how to use assertions effectively in Python. 1. Introduction to Assertions An assertion is a condition or expression that you […]
What is “pass” in Python?
In Python, the pass statement is a placeholder that does nothing. It’s a no-op, and it’s often used when you need a statement for syntactic reasons but don’t want it to have any operational effect. For example, in situations where you’re working on an incomplete code block or function and want to fill it in […]
Guide to User-Defined Exceptions in Python
User-defined exceptions in Python allow you to create custom exception classes to handle specific error scenarios in your code. This guide will walk you through the process of creating and using user-defined exceptions in Python. 1. What Are User-Defined Exceptions? Python provides a wide range of built-in exceptions, but sometimes you may encounter situations where […]
Guide to the raise Keyword in Python with Examples
The raise keyword in Python is used to raise exceptions. You can use it to raise built-in exceptions or your own custom exceptions. In this guide, we will explore the raise keyword, its syntax, and provide examples to illustrate its use. 1. Introduction to the raise Keyword In Python, exceptions are used to handle errors […]
Using GitHub with Git: A Beginner’s Guide
GitHub is a web-based platform that helps you collaborate on software projects using Git, a version control system. This guide will walk you through the basics of using GitHub and common Git commands. Let’s get started: Step 1: Create a GitHub Account Step 2: Install Git Step 3: Configure Git Step 4: Create a New […]
Understanding User-Defined Functions (UDFs) in MySQL with Examples
User-Defined Functions (UDFs) in MySQL allow you to create custom functions that can be used within SQL queries. These functions can encapsulate complex logic and make your queries more modular and readable. This guide will help you understand UDFs in MySQL, including their syntax, creation, types, and examples. 1. What is a User-Defined Function (UDF)? […]