Introduction GeoJSONIt is a JSONformat that uses to encode various geographical data structures. It is a lightweight data exchange format that can be used to represent […]
Month: February 2023
An in-depth analysis of container networking and iptables
Last week, a friend asked in the group about the relationship between Docker and Iptables. Let’s talk about it in detail here. Docker can provide […]
Interview: Let’s talk about data types in JavaScript
Preface Please tell me about JavaScriptthe data types in ? In front-end interviews, I think everyone has been asked this question. Answer: JavascriptThe data types in […]
How to validate URL in JavaScript
Preface When developers need to process URLs in different forms for different purposes, such as browser history navigation, anchor targets, query parameters, etc., we often […]
Introduction to Java High Concurrency CyclicBarrier
CyclicBarrier in Java is a synchronization tool that allows multiple threads to wait at a barrier until all threads reach the barrier before execution can […]
Deep understanding of JavaScript – prototype
This article will try to answer these questions: Overview First, JavaScript is a language based on prototypal inheritance. A prototype (prototype) is an object that […]
WPF performance optimization example: Use VirtualizingStackPanel to improve interface loading speed
Overview: Binding and rendering large amounts of data in WPF interfaces can cause performance issues. By enabling UI virtualization, asynchronous loading and data paging, the interface […]
Caching and deletion of Flask-caching – pitfall avoidance guide
Basic usage Flask-based applications will inevitably use Flask-cache (or Flask-cacheing, the two APIs are basically the same). It implements caching of function calls very elegantly […]
Summary of recent front-end performance optimization
Front-end performance optimization is an essential ability for every front-end development engineer, whether in interviews or in the actual development process. This article summarizes my […]
Discuss in detail the principle and limitations of immer.js to efficiently copy and freeze “objects”
the beginning of the story, immer.js should be a library that became popular in 2019, it can efficiently copy an object (for example, relative to JSON.parse(JSON.stringify(obj)) ), and […]