Programmer Group

os package Through the os package, you can have the ability to manipulate the computer operating system. This code package provides platform-independent API s. Whether it is Linux, macOS, Windows, FreeBSD, OpenBSD, Plan9, os packages can provide a unified use interface. In this way, different operating systems can be manipulated in the same wa ...

Life goes on, go on~~~~ Today, do something about image processing, and learn to share with you. A long time ago, the standard library of pictures provided by golang was introduced. Image, image/color, image/png, image/jpeg package for Go language learning (the way to go) When you search on google or Baidu, you will find many references to ...

Every time I put my practice code on github and typed a tag, which is convenient for the students to use later. Here I share my practice with the code of the following branches. https://github.com/durban89/typescript_demo.git tag: 1.1.1 Last article[ Go Basic Learning Record - Writing Web Application - Perfect Blog Editing Function ] We just re ...

Here we emphasize the protocol hierarchy of block chains.Application layerContract levelIncentive mechanismConsensus levelNetwork layerData layerIn the last article, we mainly realized the data layer of block chain. The main technology used in the data layer is to check the data and find hash.This paper introduces the workload to prove that POW ...

Every time I put my practice code on github and typed a tag, which is convenient for the students to use later. Here I share my practice with the code of the following branches. https://github.com/durban89/typescript_demo.git tag: 1.1.2 Last article[ Go Basic Learning Record - Writing Web Application - Blog Editor Perfect Update Function ] In t ...

Brothers Link Block Chain Course Etaifang Source Code Analysis CMD in-depth analysis. cmd packet analysis There are 13 subpackages under cmd. In addition to util packages, each subpackage has a main function. The init method of each main function defines the commands supported by the main function, such as Under the get package: func init() {   ...

Source of the article: http://gf.johng.cn/os/gmlock/... Memory lock. The module contains two object features: Locker memory lock, which supports generating memory locks according to given key names, and supports Try*Lock and lock expiration characteristics. Mutex encapsulates sync.Mutex at the bottom of the standard library, adding Try*Lock ...

Every time I put my practice code on github and typed a tag, which is convenient for the students to use later. Here I share my practice with the code of the following branches. https://github.com/durban89/typescript_demo.git tag: 1.1.4 In the previous article, [Go Basic Learning Record - Writing Web Application - Model Refactoring of Blog Edit ...

In order to know more clearly about a distributed Web pressure measurement implementation, we gradually implement it from single user - > single user - > multi user - > distributed.(1) What is web stress testing?(2) Several Important Indicators in Pressure Testing(3) Single-machine and single-user pressure measurement with Go language( ...

Brotherhood Block Chain Tutorial Etaifang Source Code Analysis core-state-process Source Code Analysis (II):The calculation of g0 is introduced in detail in the Yellow paper.Part of the difference from the yellow paper is if contractCreation & & homestead {igas. SetUint64 (params. TxGasContractCreation) because Gtxcreate+Gtransaction = ...