Articles

cover of post: Common Async Pitfalls in Rust Concurrency

Common Async Pitfalls in Rust Concurrency

Apr 17, 2025

Learn the top async traps in Rust and best practices to prevent them.

JaJames Reed#Engineering
cover of post: Under the Hood of NextAuth.js: A Scalable Authentication System

Under the Hood of NextAuth.js: A Scalable Authentication System

Apr 17, 2025

Next-Auth provides powerful and flexible authentication functions through a reasonable division of the source code structure. Whether it is the encapsulation of network requests, session management, support for multiple authentication methods, or considerations for security (such as CSRF protection and JWT encryption), it reflects the excellence of its design. Developers can deeply understand and expand the source code of Next-Auth according to their own needs to meet the authentication requirements of different projects.

DaDaniel Hayes#javascript
cover of post: Using VCS in Go: Managing Code and Dependencies Effectively

Using VCS in Go: Managing Code and Dependencies Effectively

Apr 25, 2025

Go integrates deeply with VCS for modules, builds, and traceability.

GrGrace Collins#Engineering
cover of post: Simulating Tuples in Go: Structs, Generics, and Practical Workarounds

Simulating Tuples in Go: Structs, Generics, and Practical Workarounds

Apr 25, 2025

Workarounds for using tuples in Go via structs, generics, and libraries

JaJames Reed#Engineering
cover of post: How to Set Default Values in Go Structs

How to Set Default Values in Go Structs

Apr 25, 2025

Techniques for setting custom default values in Go structs.

DaDaniel Hayes#Engineering
cover of post: 7 Retry Patterns Every Backend Engineer Should Know

7 Retry Patterns Every Backend Engineer Should Know

Apr 17, 2025

How to avoid retry storms and design robust failure recovery mechanisms.

DaDaniel Hayes#Engineering
cover of post: Building a Template Engine from Scratch (Like Jinja2 or Django Templates)

Building a Template Engine from Scratch (Like Jinja2 or Django Templates)

Apr 16, 2025

It is hoped that through this simple academic example, you can have a preliminary understanding of the working principle of the template engine. Although this code is still far from being production-level, it can serve as a basis for developing more complete tools.

DaDaniel Hayes#python
cover of post: How to Use `range` as a `foreach` in Go

How to Use `range` as a `foreach` in Go

Apr 25, 2025

Use Go's `range` to iterate like `foreach` across common data types.

GrGrace Collins#Engineering
cover of post: Understanding Go's `fallthrough`: How and When to Use It

Understanding Go's `fallthrough`: How and When to Use It

Apr 25, 2025

How Go’s `fallthrough` works and why it must be used carefully.

JaJames Reed#Engineering
cover of post: How to Copy a File in Go (Golang)

How to Copy a File in Go (Golang)

Apr 25, 2025

A practical guide to copying files in Go using `io.Copy` and `os` utilities.

JaJames Reed#Engineering
cover of post: Domain-Driven Design Made Simple: A Developer's Perspective

Domain-Driven Design Made Simple: A Developer's Perspective

Apr 15, 2025

A hands-on guide to Domain-Driven Design with real-world code comparisons.

GrGrace Collins#Engineering
cover of post: HTMX: Rethinking the Frontend - Forget React

HTMX: Rethinking the Frontend - Forget React

Apr 15, 2025

HTMX has reopened the door to front-end development for non-front-end engineers. If you are not developing applications with extremely high interactivity like spreadsheets or Google Maps, basically, you can make good use of HTMX to replace the existing front-end development frameworks and return to the lightweight front-end development mode centered around HTML. With HTMX, you don't need to struggle with whether to implement the client as a SPA or an MPA. You can choose the most suitable way for routing, display data in the most natural way, and let users interact with the data (whether it is creating, reading, updating, deleting, or other operations).

DaDaniel Hayes#javascript
cover of post: How to Pretty Print Structs in Go

How to Pretty Print Structs in Go

Apr 25, 2025

Quickly format Go structs with `fmt`, JSON, or `spew` for better readability.

JaJames Reed#Engineering
cover of post: How to Uninstall Golang from Windows, macOS, and Linux

How to Uninstall Golang from Windows, macOS, and Linux

Apr 25, 2025

Step-by-step guide to completely uninstall Go from any OS.

JaJames Reed#Engineering
cover of post: How to Get the Current Working Directory in Python

How to Get the Current Working Directory in Python

Apr 25, 2025

Simple ways to get the current working directory in Python using `os` and `pathlib`.

GrGrace Collins#Engineering
cover of post: In-Depth Guide to Redis Persistence Mechanisms

In-Depth Guide to Redis Persistence Mechanisms

Apr 14, 2025

Explains Redis-based delayed queues, challenges, solutions, and advanced usage patterns.

GrGrace Collins#Engineering
cover of post: Go’s sync Package: A Set of Concurrency Synchronization Techniques

Go’s sync Package: A Set of Concurrency Synchronization Techniques

Apr 14, 2025

The types in the `sync` standard library package play a crucial role in the concurrent programming of the Go language. Developers need to reasonably select and correctly use these synchronization types according to specific business scenarios and requirements, so as to write efficient, reliable and thread-safe concurrent programs. At the same time, when writing concurrent code, it is also necessary to have an in-depth understanding of various concepts and potential problems in concurrent programming, such as data races, deadlocks, etc., and ensure the correctness and stability of the program in a concurrent environment through sufficient testing and verification.

DaDaniel Hayes#golang
cover of post: Understanding `defaultdict` in Python

Understanding `defaultdict` in Python

Apr 25, 2025

Simplifies key handling in Python dictionaries using default values.

GrGrace Collins#Engineering
cover of post: Enhancing Python Applications with Tenacity: A Guide to Robust Retry Mechanisms

Enhancing Python Applications with Tenacity: A Guide to Robust Retry Mechanisms

Apr 25, 2025

Flexible Python retry library for building fault-tolerant applications.

GrGrace Collins#Engineering
cover of post: Mastering Command-Line Interfaces with Python argparse

Mastering Command-Line Interfaces with Python argparse

Apr 25, 2025

Build user-friendly CLIs in Python using `argparse`’s powerful features.

DaDaniel Hayes#Engineering
cover of post: Redis Delayed Queues Made Simple

Redis Delayed Queues Made Simple

Apr 14, 2025

Explains Redis-based delayed queues, challenges, solutions, and advanced usage patterns.

JaJames Reed#Engineering
cover of post: Next.js vs PHP: A Side-by-Side Code Comparison for Web Development

Next.js vs PHP: A Side-by-Side Code Comparison for Web Development

Apr 13, 2025

Nextjs and writing business code directly in PHP pages each have their own characteristics. Nextjs is suitable for building modern and highly interactive web applications, and it performs excellently in performance optimization, component reuse, and development efficiency, but it requires a higher level of front-end technology stack from developers; PHP, with its simple and direct approach, has certain advantages in quickly building dynamic web pages and handling traditional business logic. However, developers need to be more cautious in terms of code maintainability and security. When choosing, developers should comprehensively consider factors such as the specific requirements of the project, the team's technical capabilities, and future extensibility to select the most suitable technical solution for web business development.

JaJames Reed#javascript
cover of post: Understanding the `__str__` Method in Python

Understanding the `__str__` Method in Python

Apr 12, 2025

Define `__str__` to make Python objects print-friendly and readable.

JaJames Reed#Engineering
cover of post: Understanding `__init__.py` in Python Packages

Understanding `__init__.py` in Python Packages

Apr 12, 2025

Role and benefits of `__init__.py` in Python packages.

DaDaniel Hayes#Engineering
cover of post: How to Perform Matrix Multiplication in Python

How to Perform Matrix Multiplication in Python

Apr 12, 2025

Matrix multiplication in Python using NumPy and `@` operator.

GrGrace Collins#Engineering
cover of post: The Lifecycle of an INSERT Statement in MySQL

The Lifecycle of an INSERT Statement in MySQL

Apr 12, 2025

Detailed breakdown of MySQL's internal steps when handling an INSERT query.

DaDaniel Hayes#Engineering
cover of post: Under the Hood: FastAPI Is Just Starlette + Pydantic

Under the Hood: FastAPI Is Just Starlette + Pydantic

Apr 12, 2025

The combination of Starlette and Pydantic can build high-performance and feature-rich APIs without relying on the encapsulation of FastAPI. Starlette provides a flexible ASGI application foundation, supporting core functions such as asynchronous processing, middleware, and WebSocket; Pydantic focuses on data validation and serialization. Although FastAPI simplifies the development process, directly using Starlette and Pydantic allows developers to have a deeper understanding of the underlying principles, make highly customized adjustments according to project requirements, and show stronger adaptability in complex scenarios.

DaDaniel Hayes#python
cover of post: How to Iterate Through a List in Python

How to Iterate Through a List in Python

Apr 11, 2025

Practical ways to iterate through Python lists efficiently.

GrGrace Collins#Engineering
cover of post: Exponentiation in Python: A Practical Guide

Exponentiation in Python: A Practical Guide

Apr 11, 2025

Python’s exponentiation tools: `**`, `pow()`, and `math.pow()` simplified.

DaDaniel Hayes#Engineering
cover of post: Understanding "Does Not Equal" (`!=`) in Python

Understanding "Does Not Equal" (`!=`) in Python

Apr 11, 2025

How Python's `!=` operator works and when to use it.

GrGrace Collins#Engineering
cover of post: How to Generate Random Integers in Python

How to Generate Random Integers in Python

Apr 11, 2025

Overview of methods to generate random integers in Python.

DaDaniel Hayes#Engineering
cover of post: Comparing Strings in Python

Comparing Strings in Python

Apr 11, 2025

Basic and advanced techniques for comparing strings in Python.

DaDaniel Hayes#Engineering
cover of post: How to Sort a Dictionary by Value in Python

How to Sort a Dictionary by Value in Python

Apr 11, 2025

Sort Python dictionaries by value using `sorted()` and lambdas.

GrGrace Collins#Engineering
cover of post: Understanding Redis Cluster: How Clients Access the Right Shard

Understanding Redis Cluster: How Clients Access the Right Shard

Apr 11, 2025

Overview of Redis Cluster architecture, sharding, and how clients locate the right node

GrGrace Collins#Engineering
cover of post: Understanding `None` in Python: The Equivalent of `null`

Understanding `None` in Python: The Equivalent of `null`

Apr 10, 2025

`None` is Python’s way to represent "no value" safely and clearly.

JaJames Reed#Engineering
cover of post: How to Round Numbers in Python

How to Round Numbers in Python

Apr 10, 2025

Rounding in Python: built-in, math, decimal, and NumPy methods.

DaDaniel Hayes#Engineering
cover of post: Understanding Floor Division in Python

Understanding Floor Division in Python

Apr 10, 2025

Python's `//` operator performs floor (integer) division.

DaDaniel Hayes#Engineering
cover of post: Understanding the `or` Operator in Python

Understanding the `or` Operator in Python

Apr 10, 2025

How Python's `or` operator evaluates conditions and returns results.

DaDaniel Hayes#Engineering
cover of post: Understanding Python's `replace()` Method for String Manipulation

Understanding Python's `replace()` Method for String Manipulation

Apr 10, 2025

Basic use and behavior of Python's `replace()` method.

GrGrace Collins#Engineering
cover of post: A Comprehensive Guide to Python Visualizers for Learning and Debugging

A Comprehensive Guide to Python Visualizers for Learning and Debugging

Apr 10, 2025

Visualize Python code execution for better learning and debugging.

JaJames Reed#Engineering
cover of post: Redis Distributed Locks: 10 Common Mistakes and How to Avoid Them

Redis Distributed Locks: 10 Common Mistakes and How to Avoid Them

Apr 10, 2025

Common Redis distributed lock pitfalls and how to avoid them in real-world applications.

GrGrace Collins#Engineering
cover of post: How to Append One List to Another in Python

How to Append One List to Another in Python

Apr 10, 2025

Different ways to append lists in Python and when to use them.

DaDaniel Hayes#Engineering
cover of post: Understanding Python's `.split()` Method

Understanding Python's `.split()` Method

Apr 10, 2025

Python `.split()` splits strings efficiently for parsing and processing.

JaJames Reed#Engineering
cover of post: How to Uninstall Python: A Comprehensive Guide

How to Uninstall Python: A Comprehensive Guide

Apr 10, 2025

Safely uninstall Python without harming your system.

DaDaniel Hayes#Engineering
cover of post: How to Flatten a List of Lists in Python

How to Flatten a List of Lists in Python

Apr 10, 2025

Common ways to flatten Python lists efficiently.

DaDaniel Hayes#Engineering
cover of post: How to Add Elements to a Set in Python

How to Add Elements to a Set in Python

Apr 10, 2025

How to use `add()` and `update()` to manage Python sets.

JaJames Reed#Engineering
cover of post: Understanding `try` and `except` in Python

Understanding `try` and `except` in Python

Apr 10, 2025

Python `try`-`except` helps manage and handle errors cleanly.

JaJames Reed#Engineering
cover of post: Deep Dive into JWT: Build FastAPI Authentication in Pure Python

Deep Dive into JWT: Build FastAPI Authentication in Pure Python

Apr 10, 2025

Through the above steps, you have learned how to use JWT for authentication in FastAPI. JWT provides a secure and convenient way to manage user identities, making authentication between distributed systems more efficient. In practical applications, you can adjust the generation and verification logic of JWT according to your needs, such as adding an expiration time, customizing claims, etc.

GrGrace Collins#python