Articles
Understanding Golang Ticker: A Guide to Timed Operations
Golang's `time.Ticker` schedules periodic tasks and requires proper stopping to manage resources.
Redis Data Types Explained: When and How to Use Them
Explore Redis data types with practical examples and usage scenarios for backend optimization.
Understanding Python Type Annotations: An In-Depth Look at the typing Module
The `typing` module injects the powerful ability of static type annotations into Python, significantly improving the readability and maintainability of the code. Through this article's detailed introduction to the basic concepts, common types, advanced types, and type checking tools of type annotations, it is hoped that readers can have a deep understanding and proficient mastery of the usage methods of the `typing` module. In actual Python project development, the reasonable application of type annotations can effectively reduce potential errors, improve the quality of the code, and make the development process more efficient and reliable. Whether it is a small project or a large project, type annotations can bring many benefits to developers and are worthy of wide application in daily programming.
Is net/http Enough, or Do You Need Gin?
In the Go language, although net/http provides basic HTTP functions, its design goal focuses on simplicity and generality rather than providing advanced features and a convenient development experience. When handling HTTP requests and building web applications, net/http is insufficient in the face of complex routing rules; for some common operations such as logging and error handling, it is difficult to achieve a pluggable design; in terms of binding request data to structures, net/http does not provide convenient operations, and users need to implement them manually.
Rust Data Structures Guide: Vectors, HashMaps, Sets, and More
An overview of Rust's essential data structures: Vec, HashMap, HashSet, and more.
Understanding Panic in Go: Causes, Recovery, and Best Practices
Panic in Go halts execution; use `recover` to handle it and prefer explicit error handling.
Working with YAML in Go
Go supports YAML processing via `go-yaml/yaml` and `goccy/go-yaml`, enabling parsing and generation.
Handling XML in Go
Efficiently process XML in Go using `encoding/xml` for parsing, generation, and streaming.
OAuth 2.0 Explained: A Journey from Zero to Hero
OAuth is an open network standard for authorization that is widely used globally, and the current version is 2.0. This article will provide a concise and easy-to-understand explanation of the design concept and operation process of OAuth 2.0 based on RFC 6749.
Understanding Go's syscall Package
Go’s `syscall` package enables OS interaction but is deprecated in favor of `golang.org/x/sys`.
Understanding Private Fields in Go
Private fields in Go ensure encapsulation; bypassing them risks maintainability.
Error Wrapping in Go: Enhancing Debugging and Maintainability
Go’s native error wrapping enhances debugging by preserving context and improving error handling practices.
Understanding Rust Closures: A Practical Look at Fn, FnMut, and FnOnce
Rust closure traits explained: How Fn, FnMut, and FnOnce handle variable capture and ownership.
AWK Beginner's Guide
AWK is a built-in text processing tool in Linux systems, specializing in handling structured text (e.g., logs, CSV files). It reads files line by line, processes data by fields, and supports simple programming logic.
Understanding Type Conversion in Go
Go enforces explicit type conversion for safety and clarity.
A Guide to Golang Cache Libraries
Comparison of Golang caching libraries, their performance, expiration management, and best use cases.
Understanding Buffered Channels in Go
Buffered channels enable asynchronous goroutine communication and improve concurrency but require careful buffer sizing.
Understanding @ in Rust: Best Practices and Use Cases
A deep dive into Rust’s @ symbol for efficient and expressive pattern matching.
JSON, YAML, TOML, or XML? The Best Choice for 2025
JSON, YAML, TOML, and XML each have their own unique advantages and applicable scenarios. JSON stands out in Web API data transmission and lightweight configuration due to its conciseness and wide support; YAML is an ideal choice for configuration files and data serialization with its high readability and concise syntax; TOML has emerged in the configuration of emerging technologies and simple data storage; XML plays an irreplaceable role in the fields of enterprise-level application integration and document markup. In actual projects, developers should, according to specific requirements, comprehensively consider the characteristics of data formats, application scenarios, and compatibility with existing systems, and select the most suitable data format to achieve efficient data management and application development.
Functional Programming in Go: Concepts and Applications
Go enables functional programming with first-class functions, closures, and functional libraries.
Implementing Sets in Golang: A Practical Guide
Go’s map type provides an efficient way to implement sets, with third-party libraries adding more features.
Golang String Comparison: A Comprehensive Guide
Different Golang methods exist for efficient and case-insensitive string comparison.
Sorting Arrays in Go: A Practical Guide
Sorting in Go requires using the `sort` package, which works with slices, not arrays.
Understanding and Using the `append` Function in Go
Go's `append` function resizes slices dynamically and requires reassignment.
Understanding the `select` Statement in Go
Go's `select` statement enables efficient, non-blocking handling of multiple channels.
Go Concurrency Synchronization: Learn It All at Once
In the Go language programming system, goroutine, as a lightweight thread, provides powerful support for the efficient implementation of concurrent operations due to its significant advantages of low resource consumption and low switching costs. However, how to effectively control these concurrently running goroutines has become an important issue that developers need to face.
Go Dependency Injection Explained: From Zero to Hero
The initial version of the code is not easy to test because it writes data to a place that cannot be controlled. Guided by the tests, we refactor the code. By injecting dependencies, we can control the direction of data writing, which brings many benefits:
Simplifying HTTP Requests in Go with Resty
Resty simplifies HTTP requests in Go with a concise API, auto-unmarshalling, and advanced features.
Using PostgreSQL in Go: A Comprehensive Guide
Connecting Go with PostgreSQL enables efficient database interactions using `database/sql`.
Understanding `make` and Map Initialization (like `make map`) in Go
Understanding `make`, `new`, and map literals ensures proper map initialization in Go.
Deep Dive into Rust Lifetimes: Borrow Checking and Memory Management
Understanding Rust lifetimes and how they ensure memory safety.
Understanding `fallthrough` in Go's `switch` Statements
`fallthrough` in Go’s `switch` allows explicit case continuation but must be used cautiously.
Extracting Substrings in Go
Extract substrings in Go using slices, `strings` functions, or `strings.Builder` for efficiency.
How to Use `time.Sleep` in Go
`time.Sleep` pauses execution for a defined duration in Go.
Understanding derive in Rust: Automating Trait Implementations
An overview of Rust's derive attribute, its usage, benefits, and limitations in automating trait implementations.
Go Web Scraping: HTML Parsing from Zero to Hero
The above examples extract the movie names and link information from the IMDb popular movies page. In actual use, you can adjust the selectors and processing logic according to your needs.
How to Print the Type of a Variable in Go
Methods to print and check variable types in Go using `fmt`, `reflect`, and type switches.
Efficient String Concatenation in Go
Best Go string concatenation methods: `strings.Builder`, `bytes.Buffer`, and `strings.Join`.
Understanding How to Close Channels in Golang
Properly closing channels ensures safe and efficient communication in Go concurrency.
Ternary Operator in Go: Why It’s Missing and Alternative Approaches
Go omits the ternary operator, favoring clarity through `if-else` and helper functions.
How to Split Strings in Go
Explores different ways to split strings in Go, from simple delimiters to regex-based methods.
Testing Regular Expressions in Go: A Guide to Pattern Matching and Text Processing
A practical guide to using Go's `regexp` package for text pattern matching and manipulation.
Reading a File Line by Line in Go
Use `bufio.Scanner` for efficient and error-handled line-by-line file reading.
Merging Maps in Go: A Comprehensive Guide
Different ways to merge maps in Go, including `maps.Copy` and manual iteration.
How to Delete a File in Golang
Golang provides `os.Remove` and `os.RemoveAll` for deleting files and directories, with error handling being essential.
Understanding Golang: Array vs. Slice
Golang slices are dynamic, efficient, and preferred over fixed-size arrays.
Implementing Singleton Pattern in Go
Different methods for safe and efficient singleton implementation in Go.
How to Determine if a String Starts with a Substring in Go
Use `strings.HasPrefix` or slicing to check string prefixes in Go.