Software System
Software System
Android basics
Software System
Java basic knowledge loop statement
Software System
Vue basics (11)-vuex general
Software System
webrtc basics
Software Testing
Software Testing

Error-prone Google's Java and Android bug analysis tool

... Wesley
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Software Testing

Chapter 1: Monitoring based on JDK command line tools

... Eric
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Software Testing

Use of the front-end workflow automation tool Gulp

... Isaiah
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Software Testing

0121 interview questions-template string, prototype chain, promise, for...in

... Isaac
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Software Testing

13 open source tools for big data analysis system Hadoop

... Hailey
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Software Testing

Python automated testing pit record (how to implement automated testing in an enterprise)

... Jayden
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Software tools
Software Tools

Cloud computing learning route tutorial outline courseware: deployment of the forum system Discuz

Cloud Computing Learning Route Tutorial Outline Courseware: Deploy the forum system Discuz: 1. Basic environment [completed] [root@apache ~]# sed -ri'/^SELINUX=/cSELINUX=disabled' /etc/selinux/config [root@apache ~]# setenforce 0 [root@apache ~]# systemctl stop firewalld.service [root@apache ~]# systemctl disable firewalld.service 2. Install LAMP [completed] [root@apache ~]# yum -y install httpd mariadb-server mariadb php php-mysql gd php-gd [root@apache ~]# systemctl start httpd mariadb [root@a

... Eden
schedule 1 min read
Software Tools

What did ByteDance's three rounds of technical interviews teach me?

I think the best learning method for interviews and advanced learning is to brush questions + blog + books + summary! I will dedicate the first three in this article to the fullest. As for the summary, it depends on the individual. In fact, the more you get to the back, the more you will find that the interview is not difficult. The second thing is whether you think about it during the process of reviewing the questions. The second is the review of the questions. This is another level. I will no

... Steven
schedule 7 min read
Software Tools

Function throttling and function anti-shake

principle: In fact, the principle is very simple, clever use of setTimeout to control the function to be executed, so you can easily use clearTimeout to clear the function to be executed at the right time. Purpose: To solve the problem of frequent function calls that affect page performance (in simple terms, it is to save computer resources). Function throttling: The task will only be executed once within the specified time interval (avoid running it all the time, although the event is always tr

... Hudson
schedule 8 min read
Software Tools

What is the use of the eye tracking technology on nova7 Pro?

Recently, some girls and pigs made complaints about the selfies on the mobile phone I just bought. They can t do anything except large-scale dermabrasion.At a gathering with friends, I want to take a big picture with it, but my hands are stretched and I can t hold everyone.I wanted to take a selfie after get off work at night, but the photos I took turned out to be black.Sometimes I want to zoom in on my selfie to see the details, but I find that the zoomed-in area is completely blurred.The perf

... Isabel
schedule 8 min read
Software Tools

Docker image advanced: understand the technical principles behind it

What is docker image The docker image is a read-only docker container template that contains the file system structure and content required to start the docker container, so it is the basis for starting a docker container. The file content of the docker image and some configuration files for running the docker container constitute the static file system operating environment of the docker container: rootfs. It can be understood that the docker image is a static perspective of the docker containe

... Bryce
schedule 12 min read
Software Tools

Tsk tsk, look at what Go has done | technical topic second issue

What can Go language do Hello everyone, I am a good guy, the author of the comic book Go language. This time I want to bring you some sharing about the Go language. As a programmer, in this era, mastering a technique is like cultivating a good martial arts. You must not only go through continuous actual combat experience, but also have enough enthusiasm to reach the realm of masters step by step. Among the many development languages, how can I find a martial arts cheat for my own practice? Then

... Patrick
schedule 9 min read
Database Technologies
Database Technologies

The difference between MySQL's storage engine InnoDB and MyISAM and the underlying detailed explanation

Digression: Chinese culture is broad and deep. From learning Java to database, all of them reflect the essence of the same component, fish and bear's paw. Naturally, it is difficult to achieve perfect security and efficiency in programming at the same time. This time InnoDB and MyISAM opened my eyes.Okay, Talk is cheap, show you the code:Test environment: Mysql 5.7.20-log, IDEA 2018First create two tables: testinnodb, testmyisam, sql as follows:1. At the same time insert data in large quantities

Database Technologies

Docker column-the basics of detailed explanation of Docker commonly used commands

Basic commands docker info Display Docker's system-wide information about the installation: including physical machine system information, the number of containers and images, docker version/storage location/warehouse and other information. help [root@t32 ~]# docker info --help Usage: docker info [OPTIONS] Display system-wide information Options: -f, --format string Format the output using the given Go template --help Print usage example [root@t32 ~]# docker info -f "{{json .}}" |jq { "ID": "HKD

Database Technologies

Detailed explanation of ten new features of JAVA8

Foreword:  Java  8 has been released for a long time, and many reports indicate that Java  8 is a major version upgrade. There have been many articles introducing the new features of Java 8 on Java Code Geeks. For example, Playing with Java 8 Lambdas and Concurrency , Java 8 Date Time API Tutorial: LocalDateTime and Abstract Class Versus Interface in the JDK 8 Era . This article also refers to some other materials, such as: 15 Must Read Java 8 Tutorials and The Dark Side of Java

Database Technologies

Analysis of database concurrency control

In the article Database Transaction Isolation Development Standard, the database isolation level is introduced from the perspective of standard formulation, and the definition of the isolation level such as Read Uncommitted, Read Committed, Repeatable Read, and Serializable is introduced. This article will take a look at what are the common mechanisms for achieving transaction isolation, called Concurrency Control. principle The so-called concurrency control is a mechanism to ensure the correct

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