How many of these six coding methods have you mastered?

Method 1: write code manually Most programmers who have just learned Java will, with a sense of reverence, type out the following code on the development tool word by word: public class Test { public static void main(String[] args) { System.out.println("Hello world!"); }} Yes, this is the classic "Hello world", which is ...

Posted by frenchy373 on Sun, 01 May 2022 14:31:31 +0300

Article 66 interview knowledge points

Author: Jake Zhang https://juejin.im/post/6844904200917221389   preface I just want to meet a CV engineer. The interviewer asked me to challenge a rocket engineer. In addition, this year's situation is even more a dilemma, but no matter how difficult life is, I still have to continue to find a job. In the recent interview, I have been su ...

Posted by paradigmapc on Sun, 01 May 2022 12:34:35 +0300

Interesting problems encountered in Vue & Vue cli 3.0 project

Last Interesting problems encountered in Vue & Vue cli 3.0 project 1, How to set global variables in a project Application background: when we are working on a project, we set a global variable. It is very convenient to directly reference and modify the global variable where it needs to be used. Recently, when the blogger project requ ...

Posted by badal on Sun, 01 May 2022 12:07:39 +0300

[vue] vuex common interview questions

[vue] vuex common interview questions 1, Introduction to vuex Understanding of vuex Vuex implements a one-way data flow and has a State to store data globally. When a component wants to change the data in the State, it must be done through mutation. Mutation also provides a subscriber mode for external plug-ins to call to obtain the u ...

Posted by FunkyELF on Sun, 01 May 2022 11:11:20 +0300

Start with special effects and have an in-depth understanding of CSS dynamic sidebar

Skip reading is not recommended! This article will introduce how to implement a special effect from the beginning Occasionally, there are some css attributes interspersed in the middle, such as css3 or css attributes that are rarely touched at ordinary times First take a look at the special effects of this issue: Before introducing the sp ...

Posted by dotty on Sun, 01 May 2022 11:09:09 +0300

New knowledge of Explain in MySQL

Index Basic operation of MySQL index CREATE INDEX idx_price on OrderItems(item_price); ALTER TABLE OrderItems DROP INDEX idx_order_num_price;   Explain MySQL provides an EXPLAIN command, which can analyze the SELECT statement and output the details of the SELECT execution for targeted optimization by developers. The use of EXPLAIN command is ...

Posted by jdwmk on Sun, 01 May 2022 10:53:35 +0300

UVM -- application scenario of register model

Application scenario of register model How to check register model After understanding the conventional methods of register model, we need to consider how to use these methods to check registers and assist in checking hardware design logic and comparing data. You should know that when the software implements the hardware driver and firmware l ...

Posted by umguy on Sat, 30 Apr 2022 21:11:09 +0300

Difference between forEach() and map() in JS array

Translator: front end XiaozhiAuthor: Ashish LahotiSource: odingconcepts Like again, wechat search [Daqian world] focuses on this person who has no big factory background but has an upward positive attitude. This article GitHub https://github.com/qq44924588... It has been included in the, the articles have been classified, and a lot of my docume ...

Posted by mchip on Sat, 30 Apr 2022 14:35:30 +0300

How to write a JSON parser?

preface While working some time ago, I encountered the following problems. The JSON passed to me by the back end, in which the id field uses the format of number, but the size of id exceeds the range of 2 ^ 53 - 1 ~ 2 ^ 53 - 1. Cause JSON Number overflow during parse. The back end is unwilling to modify the interface. Finally used json-bigint T ...

Posted by new_to_php2004 on Sat, 30 Apr 2022 10:33:04 +0300

Handwriting a babel plug-in

Above How does babel work The AST in bable is introduced in. This time, let's write a plug-in for bable, which will cover most of the usage. If you don't understand some details, you can go to the official Babel manual. The Chinese version is here:https://github.com/jamiebuild...However, some parts have not been translated yet.Access nodeFirst, ...

Posted by linux1880 on Sat, 30 Apr 2022 01:53:55 +0300