Java array, from bronze to King, fully parsed array

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it 1, Array definition? Declare before use Data type [] array name = new data type [length]; String[] arr3 = new String[5]; Data type array name [] = new data type [length]; String arr[] = ...

Posted by UseeHere on Wed, 12 Jan 2022 04:10:11 +0100

[Python] generate Word and write data - operate Excel, Word and CSV (nanny level graphic annotation + test code + api routine)

Welcome to pay attention Python series , continuously updating Welcome to pay attention Python series , continuously updating API Description: 1. Create a Word routine with a title Create Word with title Create a blank document through Document() and call add_ The heading method creates a heading. # Import library from docx impor ...

Posted by gekko on Wed, 12 Jan 2022 01:48:40 +0100

python minimalist tutorial 04: processes and threads

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Test Qitan, the BUG is missing. Hello, I'm uncle tan. This one focuses on python processes and threads. Objective: to master the necessary proces ...

Posted by SargeZT on Tue, 11 Jan 2022 22:23:40 +0100

[chapter 04 Java object-oriented programming] the first experience of everything being an object

โค Write in front โค Blog home page: Hard working Naruto โค Series column: Java basic learning ๐Ÿ˜‹ โค Welcome, friends, praise ๐Ÿ‘ follow ๐Ÿ”Ž Collection ๐Ÿ” Learning together! โค If there are mistakes, please correct them! ๐ŸŒน ๐Ÿšฉ In recent java learning, I found that many basic knowledge of Java are forgotten and fuzzy. I plan to sort out all [Java] ...

Posted by webhamster on Tue, 11 Jan 2022 21:07:27 +0100

How to use python to call ads interface

background Recently, I was doing the reverse design of RF devices. I needed to use python to call ads to generate data, so I asked my senior brother for advice. After stepping on many pits, I finally succeeded. Record the whole process Environment introduction ads 2017 (elder martial brother uses 2021. I think 2017 and later versions can ...

Posted by satyac46 on Tue, 11 Jan 2022 17:17:29 +0100

JAVA object oriented review

Object oriented and object-oriented Today, it has basically entered the core content of Java, object-oriented Object oriented is divided into three modules Today, let's talk about classes and objects Class is the description of a class of things, which is an abstract and conceptual definition; An object is each individual of such things that ...

Posted by shainh on Tue, 11 Jan 2022 13:38:31 +0100

Use of Logstash plug-in (use of input, filter and output)

1: Input plug-in (input) Enter the official documentation of the plug-in: https://www.elastic.co/guide/en/logstash/current/input-plugins.html The following is an example: Standard inputread fileRead TCP network data 1 standard input (stdin) Type Hello World (stdin {}) on the console, and press enter to output on the current console (codec ...

Posted by vineld on Tue, 11 Jan 2022 12:31:24 +0100

The strongest C language tutorial in history -- character function & string function

catalogue 1. Is there a string in C language? 2. Function introduction 2.1 strlen() 2.1.1 simulation implementation strlen() (implemented by three methods) 2.1.2 precautions 2.1.3 introduction to strlen() function 2.2 strcpy() 2.2.1 Simulation Implementation (strcpy) 2.2.2 precautions 2.3 strcat() 2.3.1 Simulation Implementation (s ...

Posted by just1ncase on Tue, 11 Jan 2022 11:58:41 +0100

Java is really not difficult to String class

String String class: Represents a string. It provides string processing methods commonly used in development, such as finding the length of a string, intercepting a string, replacing a string, etc. the character string is a constant, and its value cannot be modified after it is created. First, let's check the official document to see what met ...

Posted by Theophilus on Tue, 11 Jan 2022 10:53:40 +0100

Who is occupying my port in Linux

The prompt Address already in use must have been encountered. How can we quickly find and solve the problem? Here are several postures to learn about When troubleshooting network connectivity or application specific problems, one of the first things to check should be which ports are actually used on the system and which application is liste ...

Posted by nadz on Tue, 11 Jan 2022 10:52:36 +0100