In microservices architecture or when communicating with external APIs, the HTTP client is an essential component. However, many developers fail to adequately consider performance and usability when implementing the HTTP client. This article will introduce best practices for using the <span>HttpClient</span> class in C# and explore some important aspects of HTTP communication. 1. Do not … Read more
The Magic of Python’s lru_cache: Enhancing Function Performance Dialogue Transcript Novice: (frustrated) Some of the functions I wrote take a long time to compute, and they have to recalculate every time they are called. Is there any way to optimize this? Expert: (with a mysterious smile) You must learn about the magical feature called lru_cache! … Read more
1. Overview of AWK Basics # Basic Structure awk 'BEGIN{preprocessing} {line processing} END{postprocessing}' filename # Common Variables NR: line number | NF: number of fields | $0: entire line content | $1: first column 2. High-Frequency Practical Scenarios 1. Data Deduplication Example: Retaining Unique Lines # Deduplicate entire lines (keep the first occurrence) awk '!seen[$0]++' … Read more
Bookmark the “Lei Technology Lite” mini program to never miss exciting content. In the game “Genshin Impact” with ultra-high graphics and 60 frames, while other flagship phones consume up to 5.7W with an average frame rate of only 53.9FPS, the iQOO Neo9 Pro achieves 5.1W consumption with an average frame rate of 59.5FPS! In the … Read more
Imagine you have two devices in front of you. One is a laptop with a brand new 8-core computer processor chip, 64GB of RAM, a dedicated graphics card, priced at 14,999 RMB. The other is a smartphone with a brand new 8-core mobile chip, 8GB of RAM, priced at only 4,999 RMB. Excluding portability, if … Read more
Click the above“blue text” to follow us Go Language HTTP Middleware Chain: Goroutine Pooling Technology | Code Reuse Strategy “Brother Feng, our website traffic has suddenly surged, and the server CPU is maxed out!” This was a message sent urgently by a student yesterday. After checking the logs, I found that a large number of … Read more
HTTP Protocol Analysis: The Complete Lifecycle from Request to Response As one of the fundamental protocols of the Internet, HTTP (Hypertext Transfer Protocol) plays a core role in web applications. From entering a URL in the browser to the completion of page loading, the HTTP protocol is responsible for the exchange of information throughout this … Read more
1. Why Tree Structures are Core Competencies in Data Processing? In the 2025 Python Developer Survey, tree structure applications covered 82% of data processing systems. From file systems to database indexing, from machine learning decision trees to DOM tree parsing, mastering tree structure operations has become an essential skill for advanced developers. This article will … Read more
1. Why is Memory Management a Must for Python Engineers? At the 2025 Python Developers Summit, memory-related issues accounted for 73%, with memory leak cases making up as much as 58%. This article will guide you through the underlying principles and industrial-grade solutions of Python memory management through three practical scenarios: memory leak detection, object … Read more
In daily life, you often encounter various types of data related to “time”, such as: • A sensor records temperature every 10 seconds • The stock market updates prices every minute • A server generates hundreds of performance metrics every second These data points share a common characteristic: they are generated in chronological order, and … Read more