Java get time & the most complete summary of time formatting
Java get time & the most complete summary of time formatting
Recently, I have encountered many problems in obtaining the current time in Java, and some have various requirements. Today, I will summarize the methods of obtaining time in Java and the formatting of time output.
Acquisition method
java.util.Date
This is the most commonly us ...
Posted by MHardeman25 on Sat, 14 May 2022 10:50:12 +0300
Principle of non blocking delay
In the first part, I wrote a program that it's best to give up the CPU when the delay occurs, but if it's just to give up, I don't know when to come back. If the delay is not enough when I come back, it's unreasonable As shown in the figure below First, program A yield() gives up the CPU and hopes to wait for 10ms before executing the next ste ...
Posted by bedrosamo on Fri, 13 May 2022 17:46:23 +0300
Stick to learning for 100 days: network programming
preface
Hello, I'm Xiuqi. On the one hundred and twenty-first day of learning C + +, I barely understood C + + from introduction to mastery. There are still a lot of people who haven't remembered and didn't understand. Let's look ahead first. I've been struggling for a long time today. Finally, I opened a new book to learn network programming. ...
Posted by jmelnick on Fri, 13 May 2022 00:31:56 +0300
JAVA process control statement - loop structure (for, while, do while), loop nesting
4. Circulation structure
4.1, circular structure statement
It can execute a piece of code repeatedly when the conditions are met. This repeatedly executed code is called a loop body statement. When the loop body is executed repeatedly, the judgment condition of the loop needs to be changed to false at an appropriate time to end the loop, othe ...
Posted by Muggin on Thu, 12 May 2022 12:45:02 +0300
java week 3, about object-oriented (object-oriented ideas and features, interface, three keywords, permission modifier, code block, internal class)
1: Object oriented thought
1. Characteristics of object-oriented thought
1)Conform to the habits of thought and behavior in the real world!
2)Let's turn the executor into the commander(The role has changed!)
3)Simplify complex things!
2. Object oriented design principles in Java
You need to constantly create objects,Use object,Com ...
Posted by hemantraijain on Wed, 11 May 2022 16:50:24 +0300
Python crawler js encryption crack, grab Netease cloud music comments to generate word cloud
js cracking process
preface
Skill points
Interface Overview
Static web page dynamic web page
Page parsing
step1: Find Parameters step2: analyze js function step3: analyze parameters step4: verify step5: convert to python code
Write crawler
Many people learn python and don't know where to start. After learning python and mastering the basic g ...
Posted by ds111 on Tue, 10 May 2022 10:10:57 +0300
"C language introduction guide" Collection Edition, is this enough for learning C language?
preface:
"C language introduction guide", the full text is divided into three parts, with a total of 34248 words. This is a collection version, which is suitable for beginners to get started with C language. Non beginners can also review the relevant knowledge points of C language through this article to strengthen their memory! Thir ...
Posted by kuma on Mon, 09 May 2022 01:56:03 +0300
Java basic syntax
Comments, identifiers, keywords
Writing notes is a very good habit
Single-Line Comments
multiline comment
Documentation Comments
//This is a single line comment
/*
This is a
multiline comment
*/
/**
*This is a document comment, which can be @ followed by a lot of content that can be recognized by the program
*@Descrip ...
Posted by Dark Phoenix on Mon, 09 May 2022 01:16:14 +0300
Functional programming: how to query and transform data efficiently and concisely
Absrtact: when it comes to programming paradigm, it is easy to think of religious piety. The creed expressed by each religion has a certain rationality, but if you always follow only one dogma, you may also be miserable. So is programming paradigm.
Case 1
In case 1, the code excerpt comes from an enterprise training material. The main code logi ...
Posted by Kazhultee on Sat, 07 May 2022 09:44:01 +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
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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