After Front-End Deployment Releases the Project, How to Notify the User to Refresh the Page and Clear the Cache?There are two approaches to this problem Method 1: Pure front-end Every time you package for release, use webpack to build a version.json file. The content in the file is a random string ( ... More >>

The Solution for Monitoring the Deadlock of the Main ThreadIn project development, the solution for monitoring the main thread’s lag is particularly important. It plays a guiding role in our subsequent optimization logic, so below we start to discuss the implementation of the solution for monitoring ... More >>

Penetration Testing Theory1. Definition of Penetration TestingPenetration Test is a test in which personnel with information security knowledge and skills are entrusted to simulate the attack methods of malicious hackers. Usually we describe it as a method/activity that explores possible vulner ... More >>

Block Is Used for Communication between OC and C++BackgroundIn iOS development, we often encounter the situation of mixing OC and C++, so how to communicate between then? This article will introduce how to use block for communication between oc and c++. Due to the different memory management style o ... More >>

Convolutional Neural Networks in Deep LearningWhat is Convolutional Neural Network?Convolutional neural networks are a model of deep learning that mainly processes tasks such as images and videos. CNN has achieved great success in the field of computer vision, such as multi object tracking, object r ... More >>

Understanding Garbage Collection in GoGarbage collection is a mechanism Go developers use to find memory space that is allocated recently but is no longer needed, hence the need to deallocate them to create a clean slate so that further allocation can be done on the same space or so that memory can ... More >>

MySQL Backups1. Why backup is necessary Disaster recovery: Hardware failures, unintentional bugs causing data damage, or servers and their data being inaccessible or unusable due to certain reasons (such as a computer room building burning down, malicious hacker attacks, or MySQL bugs). People chang ... More >>

The Use and Principle Analysis of Coroutines1st. Why Use CoroutinesWhether it’s the birth of a technology or a product, it often comes with demand, and coroutines are no exception. When asked why to use coroutines, the first thing to understand is, what is a coroutine? In summary, it is a lightweigh ... More >>

Analyzing Redis Bloom Filters and Their Applications in DetailWhat’s Bloom FilterA Bloom Filter is a clever probabilistic data structure proposed by Howard Bloom in 1970, designed to determine whether a certain element exists in a set. It can indicate with a certain probability whether something def ... More >>

1.IntroductionIn most cases, we use redis stand-alone service. In actual scenarios, single-node Redis is prone to risks. Since failover cannot be achieved, subsequent requests will be sent directly to the database. A large number of queries will cause the number of database connections to reach a pe ... More >>