How to write more beautiful and clean JavaScript conditional statements

Transferred from: Micro reading  https://www.weidianyuedu.com/content/2317459000818.html When using JavaScript, we often have to write a lot of conditional statements. Here are five tips for writing cleaner and more beautiful conditional statements. 1. Use array Includes to handle multiple conditions Take chestnuts for example: // Condit ...

Posted by burge124 on Tue, 01 Feb 2022 12:21:48 +0100

What is the module in Python? Learn Python 3 by hand

introduce In this section, we will learn about Python modules. Including the concept and import method of module, the concept and use of package, the introduction of third-party module, the use of command-line parameters, etc. Knowledge points Module importpackageIntroduction to default / third party moduleCommand line parameters modular S ...

Posted by kustomjs on Tue, 01 Feb 2022 09:58:48 +0100

Hard core! Alibaba P8 takes you to experience the smoother MyBatis. Please watch the paid resources in a low profile

The last one was "Spring Boot - custom Banner pattern", and this one is "smoother MyBatis". MyBatis's strength comes from its vast ecology and the support of many large domestic factories. - the plass are gone From iBatis to MyBatis, and then to many peripheral tools typically represented by MyBatis Plus in domestic tea ...

Posted by Jack_Slocum on Tue, 01 Feb 2022 04:56:59 +0100

Programming with Python, compiling stock trading strategy and back test analysis with the help of existing quantitative platform

1, Introduction Hello, I'm sailing. The content shared today is based on Python programming to realize the development of stock trading related functions. If readers do not know much about stock or financial derivative trading and are more interested, they can query relevant materials by themselves. Next, the author will introduce several com ...

Posted by jannoy on Tue, 01 Feb 2022 04:44:40 +0100

HDL4SE: software engineers learn Verilog language

8 write custom basic units in c language This section was originally intended to continue to learn verilog language, but the software development progress bar is too heavy to be pushed, so it can only be worn slowly. Without the cooperation of software, the learning effect is worse, so bring the later content to the front. Of course, it's also ...

Posted by nadinengland on Mon, 31 Jan 2022 17:37:48 +0100

C language notes

Notes on C language 4. Branching Between 80 and 90! \n"); case 'C': printf("your score is between 70 and 80! \ n"); case'D ': printf("your score is between 60 and 70! \ n"); case 'F': printf("your score is below 60! \ n"); default: printf("please enter a valid grade \ n"); } return 0; } Please ent ...

Posted by Megahertza on Mon, 31 Jan 2022 07:32:58 +0100

Few people know that Java has four object reference methods

1, Why are there four kinds of references 01 At the beginning, when an object is not referenced (that is, there is no attribute / variable reference, for example, Object ob=new Object();ob=null;) It will be automatically recycled by the JVM. It is a strong reference before it is equal to null. For example, if you go to a restaurant for dinner ...

Posted by saiko on Mon, 31 Jan 2022 04:57:47 +0100

17. Object oriented programming in Java

Object oriented programming in Java Author: Han Ru Company: procedural coffee (Beijing) Technology Co., Ltd Program coffee: IT vocational skill evaluation platform website: https://www.chengxuka.com task 1. object-oriented 2. Process oriented 3. Classes and objects 1, Object oriented design idea Object oriented in life Wash ...

Posted by diggysmalls on Sun, 30 Jan 2022 20:03:57 +0100

[interview] python modifier for interview questions

1) What is a python decorator? Python decorator is a very powerful function, an excellent design pattern, which abstracts the repeated content and gives a function other functions without changing the function itself. Simply put, modifiers are functions that modify the functions of other functions.It makes the code extremely concise and ...

Posted by flash_78 on Sun, 30 Jan 2022 07:21:58 +0100

Write a test framework | Java development practice

1, Foreword Requirements: a testing framework is needed to test an IM} system and adapt to the current business logic. Testing uses Jmeter. Jmeter can also test websocket. Why develop a testing framework yourself? The most important point: TCP # protocol is user-defined. It cannot be well integrated with # Jmeter # and other frameworks. P ...

Posted by Alex C on Sun, 30 Jan 2022 03:00:08 +0100