Zero basis of Java syntax -- definition and use of array

Java series article directory Write once,Runanywhere.??? This article explains arrays. The knowledge explained from this article is different from that of C language. ?? ?? ?? If you think my article is helpful to you, please also [focus on praise collection]. Getting your support is my biggest motivation!!! ?? ?? ?? Copyri ...

Posted by slava_php on Sun, 15 May 2022 00:41:51 +0300

The pytest test framework combines allure to generate beautiful test reports

1. Introduction to allure allure is a lightweight, flexible, multilingual test reporting tool. Not only does it present what has been tested very succinctly in the form of a neat Web report, but it allows everyone involved in the development process to extract maximum useful information from the day-to-day execution of tests. From a developme ...

Posted by transformationstarts on Sun, 15 May 2022 00:30:16 +0300

My colleague told me that the reason why his code is silky is that he uses Mybatis Plus?

1. Pain points of mybatis We know that MyBatis is a persistence layer framework based on java. It encapsulates jdbc internally, which greatly improves our development efficiency. However, there are many pain points in developing with Mybatis: Each Dao interface needs to define a bunch of addition, deletion, modification and query methods ...

Posted by greenber on Sun, 15 May 2022 00:18:14 +0300

Front end interview dictionary 01 (continuously updated)

Write in front CSDN topic challenge phase 1 Event details address: CSDN Entry topic: front end interview collection Topic Description: welcome to join the topic creation partners. If I guess correctly, I think you should be a front-end person like me. Nowadays, the front-end accounts for an increasingly important proportion in the IT indus ...

Posted by Crashin on Sat, 14 May 2022 23:20:58 +0300

The most powerful error retry Library in Python

When we write programs, especially those related to network requests, such as calling web interfaces, running web crawlers and other tasks, we often encounter some accidental request failures. In this case, if we simply catch errors and skip the corresponding tasks, it is certainly not rigorous, especially in web crawlers, there will be the ris ...

Posted by joyser on Sat, 14 May 2022 21:43:46 +0300

Notes - detailed explanation of space Configurator

Space Configurator 1. What is a space configurator Efficient management of space (space application and recycling) for each container 2. Why do I need a space configurator Various containers ----- > can store elements ----- > the bottom layer needs space new application space operator new ---->malloc Call constructor ---- comple ...

Posted by Wolf_22 on Sat, 14 May 2022 03:16:29 +0300

Redis series, how redis executes commands

preface The last article introduced the structure of sds and how to use sds. In this chapter, we will go back to the place of reading io data to see how redis reads data from io and finally converts it into the process of executing commands. This article needs to be familiar with the previous two articles first. Students who haven't read ...

Posted by dustbuster on Tue, 10 May 2022 08:16:03 +0300

A bug triggered a contest between hair. I won an overwhelming victory. Can you keep your hair?

I met a very strange problem while debugging the company's project a few days ago. Today I'll study it here Follow official account: Java architects alliance, update technical articles every day scene As a PDA interface is newly added to the company to query the historical parking flow data, I first check the qualified data from the database ...

Posted by Sangre on Fri, 06 May 2022 20:42:28 +0300

Interview assault 44: what's the use of volatile?

volatile is an important part of Java Concurrent Programming and one of the common interview questions. Its main functions are to ensure the visibility of memory and prohibit instruction reordering. Let's look at these two functions in detail.Memory visibilityWhen it comes to memory visibility, we have to mention the Java Memory Model. The Java ...

Posted by blackhawk08 on Thu, 05 May 2022 09:37:01 +0300

Java classic written test question: can you write a simple implementation of ArrayList?

Interviewer Q1: can you write a simple implementation of ArrayList? We all know that ArrayList is implemented based on array. If you are asked to implement the add(), remove(), get() methods in ArrayList of JDK source code, do you know how to implement them? In this section, instead of looking at the source code, let's think about how to simpl ...

Posted by lush_pierre on Wed, 04 May 2022 08:28:04 +0300