A module is a Python file that defines many functions, classes, variables, etc.A complete large-scale python program is organized in the form of modules and packages.
Function of module
Modules allow you to logically organize your Python code snippets.Assigning relevant code to a module can make your code better ...
Posted by annihilate on Fri, 06 May 2022 04:12:47 +0300
[summary] regular expression (2022.05.05)
1. Regular expression
1.1 understanding regularity
Regular expression: a tool to solve string problems (a tool to make complex string problems simple)
1.2 matching symbols
Ordinary character - represents the symbol itself in a regular expression. The requirement for the characters in the string ...
Posted by dickd on Fri, 06 May 2022 04:06:43 +0300
Mirai is the latest open source QQ robot framework, written in Catlin language, so if necessary, I will publish Java version tutorials. If you want to learn more about language development, please move to Mirai Official Documentation , except Catlin and Java, all other languages need to rely on Mirai Http and Mirai Console for de ...
Posted by mike97gt on Thu, 05 May 2022 19:24:15 +0300
Process and thread
1, What is multitasking Multitasking is that the operating system can run multiple tasks at the same time. For example, you are surfing the Internet with your browser, learning on the official website of muke.com and listening to music. This is multitasking. At least three tasks are running at the same time. There are many t ...
Posted by BuzzLY on Thu, 05 May 2022 14:23:43 +0300
Introduction to MyBatis
1, MyBatis history
The MyBatis framework encapsulates JDBC for connecting to the database, but it is faster and more efficient than the original JDBC!
MyBatis was originally an open source project ibatis of Apache. In June 2010, the project was migrated from Apache Software Foundation to Google Code. With the developm ...
Posted by coolbeansdude51 on Thu, 05 May 2022 10:17:52 +0300
There are two of the most important changes in Java 8. The first is a Lambda expression; the other is the Stream API
The Stream API (java.util.stream) brings a true functional programming style to Java. This is by far the best complement to the Java class library, because the Stream API can greatly improve the productivity of Java programmers, ...
Posted by Jeannie109 on Thu, 05 May 2022 00:41:54 +0300
Hello everyone, I'm [1+1=Wang], a computer (artificial intelligence) slag graduate student who loves java. If you are also interested in java, artificial intelligence and other technologies, welcome to pay attention, join the group to exchange and enter the big factory! ! ! Good better best, never let it rest, until good is better, and better b ...
Posted by fantic on Wed, 04 May 2022 17:41:13 +0300
1. Manipulate items in an array
let arr = [1,2,3,4,5]
arr.push(6) //arr becomes [1,2,3,4,5,6] and the return value is 6
arr.pop() //arr becomes [1,2,3,4,5] and the return value is 6
let arr = [1,2,3,4,5]
arr.shift() //arr becomes [2,3,4,5] and the return value is 1
arr.unshift(8) //arr ...
Posted by DarkHavn on Wed, 04 May 2022 14:47:25 +0300
Math object is not a constructor and does not need new. It has properties and methods of mathematical constants and functions. Math related operations (absolute value, rounding, maximum value, etc.) can use members in math.
1. Common methods of math objects
Max.floor() floor represents the floor, so this method is to round do ...
Posted by Panthers on Wed, 04 May 2022 11:19:09 +0300