while true

What's the difference between a standard while(true) loop and for(;;) ?Is there any, or would both be mapped to the same bytecode after compiling?Semantically, they ' re completely equivalent. It's a matter of taste, but I think while(true) looks

While can be used as an infinite loop, many places use infinite loops. An infinite loop looks like this: } An infinite loop can be terminated by one of the conditional expressions in its own loop. Here is an example of a loop internal

When I get used to as and learn python, there are still some obstacles. For example, if I execute while (true) in as, it must be an endless loop, the establishment of the python socket is exactly like this: Server = socket. socket (socket. af_inet,

Suppose you have a php CLI file that runs every 2 minutes to perform MySQL data write operations. If you use Corntab or MQ, every execution is Establish a MySQL connection Performing Bulk writes PHP manually end MySQL connection

C # multiple threads keep running While (true ), When multithreading is used, multiple threads are always running While (true), which causes high CPU usage. In this case, add Thread. Sleep (1) to the Thread and let him Sleep a little. It won't

Parse the use of while true in Python, pythonwhile Infinite LoopIf the condition determination statement is always true, the loop will be executed infinitely, as shown in the following example: #! /Usr/bin/python #-*-coding: UTF-8-*-var = 1 while

When I recently wrote a python program, I found that many of my colleagues tried to avoid using a for loop while using the while loop, especially when using the while Ture: in the same way that while Ture: is an infinite loop, which I used to use

This article to share the content is about PHP to prevent while true cycle CPU usage is too high, the need for friends can refer to A simple case. For example, when using PHP, Redis to do message-to-column can be used, can be modified according

SocketI. OverviewSockets are also commonly referred to as "sockets," which describe IP addresses and ports, and are a handle to a chain of communication, where applications usually make requests to the network through "sockets" or respond to network

The most comprehensive Java multithreaded usage resolution, if you do not have in-depth research on Java multithreaded mechanism, this article can help you to understand more thoroughly Java multithreading principle and use method. 1. Creating

Java program design -- Sun Xin Java has no difficulties lesson7 Multithreading 1. Programs, processes, and threadsProgram: A program is a collection of computer commands. It is stored on a disk as a file.Process: an execution activity of a program

Thread Start:Description of the difference between 1.start () and run ()start (): Its function is to start a new thread, the new thread will execute the corresponding run () method. Start () cannot be called repeatedly.Run (): Run (), like a normal

1. Interrupt () Notes Before describing how to terminate a thread, it is necessary to understand the interrupt () first. For interrupt (), the Java DJK documentation is described as follows: http://docs.oracle.com/javase/7/docs/api/ Interrupts

A struct can be a member of another struct: (1) Struct phoneBook { Public string name; Public uint age; Public string phone; Public struct address { Public string city; Public string street; Public uint no; } } However, there is a problem: How do I

This article mainly introduces Socket network programming in python, which has some reference value. if you are interested, please refer to it. What is network? A network is composed of nodes and connections, indicating many objects and their

2. Packet sticking (struct module) and struct module The socket we made yesterday has a vulnerability, and it will be stuck to the package. We will present it today if we have not found this problem. Today, we will also explain a little about

Python student management system and python student management system It is best to write a student management system in python. I have never learned python, so I had to start to stick to it temporarily. I went to the Internet to find out if there

Day8 -- socket network programming advanced, day8 -- socket Socket: socketIt is to achieve data exchange between the server and the client. The server receives and sends data, and the client sends and receives data.Python3. This is because the

Process synchronizationBefore we mentioned the collaborative process, the collaboration process would affect other processes, that is, sharing the logical address space, that is, the shared memory system, in which case it is possible to access the

Const ReadLine = require (' Readline-sync ');Student Informationlet users = [{Id:1,Name: ' Liu ',Age: ' 17 ',Gender: ' Male ',Score: ' 98 '},{Id:2,Name: ' Dog ',Age: ' 18 ',Gender: ' Male ',Score: ' 81 '},{Id:3,Name: ' Xingxing ',Age: ' 20 ',Gender: