Programming VIP

Java Agent for bytecode instrumentation This article will explain the knowledge of Java Agent in detail, uncover its mystery, help developers understand its dark magic and help us complete more business needs What is Java Agent Java Agent, also known as Java probe, provides the function of adding bytecode to existing compiled Java classes, w ...

Learning objectives of this article Be able to understand the role of key, virtual Dom and diff algorithmBe able to master setting dynamic stylesBe able to master filters, calculation properties and listenersAble to complete brand management cases 1. vue Foundation 1.0_vue basic v-for update monitoring Target: when the target structu ...

Python is a simple and easy-to-use language. At present, it ranks first in the popular list of tiobe programming languages. Due to its simple language and good interaction with the ecology of C, python has become the first language of artificial intelligence. Due to the existence of GIL, python cannot use multithreading, and Python's speed has ...

1,AQS 1.1 overview Its full name is AbstractQueuedSynchronizer. It is the framework of blocking lock and related synchronizer tools, which has its own characteristics The state attribute is used to represent the state of resources (exclusive mode and shared mode). Subclasses need to define how to maintain this state and control how ...

catalogue Dynamic regular expression brief introduction Dynamic matching expression - (?? expr) Modify the command matching the expression - (? @ cmd) Functional requirements of (@ cmd) Override command in expression - ${cmd} Dynamic regular expression brief introduction In a dynamic expression, you can require regexp to match. The ...

This article is translated from http://doc.norang.ca/org-mode.html, originally written by Bernt Hansen. Because the original text is long, it will be published in multiple articles. Please mark the source for reprint. This chapter mainly introduces org Publish export function, org-mode Although it is in text mode, it provides powerful publis ...

Address: https://www.ebpf.top/post/bumblebee 1. Preface not long ago, Solo.io The company announced open source on its official website blog, with a name of BumbleBee New project. The project focuses on simplifying the threshold for building eBPF tools and optimizing the use experience by packaging eBPF programs into OCI image , building, d ...

The method of adding dark watermark to the page at the front endThe last article mentioned the method of adding a clear watermark on the page, but the clear watermark is easier to remove, and for some unprocessed pictures, there is no watermark when the user saves them directly. At this time, the problem of information leakage still exists. In ...

Introduction: role, status, impact of not controlling concurrencyUsage: object lock and class lock7 cases of multithreaded access synchronization methodNature: reentrant, non interruptiblePrinciple: add unlock principle, reentrant principle, visibility principleDefects: low efficiency, not flexible enough, unable to predict whether the lock is ...

By Matt MaribojocTranslator: front end XiaozhiSource: stackabuseThere are dreams and dry goods. Wechat search [Daqian world] pays attention to this dish washing wisdom who is still washing dishes in the early morning.This article GitHub https://github.com/qq449245884/xiaozhi It has been included. There are complete test sites, materials and my ...