Chandrashekhar Kachawa articles - 22 total
A Developer's Guide to Jest: What, When, and How to Test
Jest is a delightful JavaScript Testing Framework with a focus on simplicity. It's one of the most...
Python Concurrency: A Guide to Threads, Processes, and Asyncio
Your Python script needs to do multiple things at once to be faster. But how? Python offers a rich...
A Beginner's Guide to Testing in Python with pytest
Have you ever fixed a bug in one part of your code, only to have something completely unrelated...
Finding and Fixing Python Bottlenecks with Scalene
Your Python code runs, but it's slow. You know there's a bottleneck somewhere, but where? Is it a...
Controlling Concurrency in Python: Semaphores and Pool Workers
Running thousands of tasks concurrently is powerful, but it can also be dangerous. If you make 1,000...
Python Asyncio: The Real Difference Between `await` and `create_task`
Python's asyncio framework is incredibly powerful for building high-performance I/O-bound...
A Practical Guide to JavaScript Promises: Real-World Usage
Promises are a fundamental part of modern JavaScript, yet many developers only scratch the surface of...
React Hooks for Library Authors
React provides a few specialized hooks that, while not common in everyday application code, are...
The Magic of io.ReadCloser in Go: It's Still Getting Data!
"So, you're telling me that even after I get a copy of an io.ReadCloser, it still gets data? How in...
A Practical Guide to React Suspense and Lazy Loading
Fetching data and loading components in React has traditionally revolved around the useEffect and...
Mastering Custom Hooks in React: A Developer's Guide
React hooks revolutionized how we write components. But the true power of this system unfolds when...
How Does React's useState Really Work?
The useState hook is often the first thing a developer learns in modern React. It seems like magic: a...
How Does React's useEffect Really Work?
useEffect is the designated place for all side effects in React. But what does that mean? How does it...
How Does React's useContext Really Work?
The useContext hook is React's built-in solution to one of its oldest challenges: prop drilling. It...
Optimizing Docker Images for Production: Best Practices
Docker images are the foundation of containerized applications. While it's easy to get an application...
A Developer's Guide to Setting Up Docker on Linux
Docker has revolutionized the way we build, ship, and run applications. By containerizing...
Docker Compose for Multi-Container Applications: A Practical Guide
In modern application development, it’s rare to find a single-service system. Most real-world...
Mastering Docker Commands: A Comprehensive Guide for Developers
Docker has become a must-have skill for developers and DevOps engineers. Whether you're deploying...
Orchestrating and Observing Data Pipelines with Airflow, PostgreSQL, and Polar
Data pipelines are the backbone of any modern data platform — but building them is only half the...
Mastering Go Project Structure: Build Scalable & Maintainable Go Apps
🧠 Mastering Go Project Structure: Build Scalable & Maintainable Go Apps If your Go...
⚙️ Mastering Python Context Managers: Beyond with open()
If you’ve been writing Python for a while, you’ve definitely used the with statement — probably...
Discord Webhook Manager: The Smarter Way to Handle Discord Announcements
Discord Webhook Manager: The Smarter Way to Handle Discord Announcements If you’ve ever...