08_Python_ Loop statement

Loop statement loop target Three Processes of Procedurefor loop basic usewhile loop basic usebreak and continuewhile loop nesting 01. Three Processes of Procedure There are three processes in program development: Sequence - Execute code from top to bottom in sequenceBranch - The branch that determines the code to execute based on condi ...

Added by thewooleymammoth on Thu, 03 Feb 2022 19:21:06 +0200

Spring boot sorting (build environment + basic use)

Using idea to create a spring Boot project Add web dependency support <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> >Run first SpringBoot project @RestController public class First ...

Added by cachemony on Thu, 03 Feb 2022 16:21:04 +0200

Why use PyCharm to run the use case successfully but cannot exit?

This article was published on Byte cloud official account preface Some time ago, due to the upgrade of an SDK used by the project, when running a use case using PyCharm+unittest, it can run and output results, but it has been unable to exit the use case. With the in-depth investigation, it is found that the threads in this SDK are "cau ...

Added by fusioneko on Thu, 03 Feb 2022 14:49:03 +0200

Getting started with object orientation (classes and objects)

day1 - Introduction to object orientation (classes and objects) Knowledge points 1 - classes and objects java program: requirement: print all elements in the array in the format: [element 1, element 2, element 3, element,..., element n] public class Test { public static void main(String[] args) { /* Process oriented p ...

Added by xtian on Thu, 03 Feb 2022 12:14:19 +0200

The third day of C language review --- Tan Haoqiang Chapter 4 after class practice

Better examples of books 4.7 handle menu commands with switch. In many applications, a menu is used to control the process. For example, entering a 'a' or 'a' character from the keyboard will execute operation a, and entering a 'B' or 'B' character will execute operation B #include<stdio.h> #include<stdlib.h> int main() { void ac ...

Added by Linjon on Thu, 03 Feb 2022 10:50:29 +0200

Java basic learning

1. Class variable (static variable) and class method (static method) static Class variables are shared by all class objects. Class variables can be defined by class name Class variables and object names Class variable, but class name is usually used Class variable Class variables are created when the class is loaded, so when we do not crea ...

Added by Dysan on Thu, 03 Feb 2022 10:20:06 +0200

2022-2-1 Niuke C + + project - thread synchronization

First Edition: different threads sell each other, which will lead to the final purchase of 300 tickets Because 100 is placed in local variables, each thread has one /* Case of using multithreading to buy tickets There are three windows, a total of 100 tickets */ #include<stdio.h> #include<pthread.h> #include<stdlib.h> void * ...

Added by ek5932 on Thu, 03 Feb 2022 10:08:37 +0200

Principle of Java thread pool

preface Why use thread pool In a process, thread is a very scarce resource. Frequently creating or destroying threads is also a resource consuming process, so using thread pool can reduce the above processes. Advantages: Thread reuse, reduce creation and destruction, and improve performanceFast responseIt can be managed and monitored uniform ...

Added by LBmtb on Thu, 03 Feb 2022 09:00:29 +0200

What is the difference between congestion model and anemia model?

Concept: The anemia model was first widely used from EJB2, and its strongest period was created by Spring, which separated "behavior" (also known as logic and process) and "state" (which can be understood as data, and corresponding to language is object member variable) into different objects. The object with only state is ...

Added by imranlink on Thu, 03 Feb 2022 07:20:13 +0200

Django framework learning -- 8 -- cache & Middleware

Key points of this article:         1. How to respond faster through caching?         2. What is middleware?         3. How to realize the paging function of the website?         4. Generate csv fil ...

Added by thebluebus on Thu, 03 Feb 2022 05:56:07 +0200