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After two days of power stop, I suddenly had to be idle. Finding a broken guitar is no longer a string. Ding ding Dangdang knocked on the power. To pick up time, stay up late for three or four o'clock. From my top postsX01.lab. DownloadDownloadX01.

[Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com]   In the following blog, I will explain some ways to improve the efficiency of personal code. These methods

Experiment Description: Note: The CPU cannot be automatically abandoned because of the low priority of the resource. Otherwise, the priority will definitely be reversed. The experiment in the experiment manual is incorrect. Involved μC/OS-II system

Setitimer () is a Linux API, not the standard library of C language. Setitimer () has two functions: one is to execute a function after a period of time, and the other is to execute a function for a period of time. The following program demo shows

The Pygame.mixer is a module for handling sound, meaning "mixer". The processing of sound in the game typically involves making sounds and playing sounds, where only the sound portion of the play is learned. 1. Pygame.mixer Startup and

There are often mutually exclusive and synchronous relationships between processes in the operating system. In order to deal with this situation effectively, W.dijskra proposed the concept of signal volume and PV operation in 1965.(1) Semaphore: A

Parseerror: syntaxerror, unexpectedT_DO, expecting; in indicates an error. For (; do {$ I How to change it? Thank you. $sokey = split( "\\|", $sokey );$sort = "";if ( $rewrite == 1 ){$i = 0;for ( ;do { $i ".$indexfenlei[3][$i]."

At present, the development of STM32 is still in the "streaking" stage, which is at the cost of development. It may not be embedded in any RTOS system. Because it does not support the operating system, as a result, you cannot easily schedule and

  This article introduces the ARM-based network image transmission technology. There are two threads: one is to complete the acquisition of USB camera images, and the other is to achieve remote transmission through the network. The image collection

ARM-Linux transplantation (III)-init process Startup Process Analysis K-style   Reprinted please indicate from Hengyang Normal College 08 electric 2 k-style http://blog.csdn.net/ayangke,QQ:843308498 mailbox: yangkeemail@qq.com   We usually use

Document directory (1) experiment Overview (2) test preparation (3) program flowchart (4) experiment source code and Analysis (5) Experiment Results I. Connecting In a wireless sensor network, cc2430 sends the collected data to the upper

When winter is over, the leaves fall, And the geese fly south in a B-or T-shaped manner, the programmers are still playing the keyboard in the cold computer. As a good programmer, we can use a program to solve all the problems except our wives. What'

Linux setitimer is a commonly used software for computer players. Then I will study and study Linux setitimer in depth. Here I will discuss with you how to use Linux setimer, hoping to help you. Linux setitimer () is a Linux API, not the Standard

IOS NSOperation non-concurrent execution, iosnsoperationNSOperation provides an object-oriented method to encapsulate tasks. NSOperation can be executed independently or in NSOperationQueue. NSOperation is a virtual base class that cannot be used

[Allwinner ClassA20 class library Analysis] 2. free pascal syntax and structure analysis, allwinnerclassa20The previous section introduced the general development procedure of Lazarus. If you are not familiar with the pascal Language, you may not

Keys are one of the most commonly used input devices in the single-chip microcomputer system. A keyboard is required for interactive input. This blog implements a general keyboardProgramAs long as a function is provided to read the key value (the

Reprinted from: http://blog.sina.com.cn/s/blog_6fe3efa3010178hl.html In computer operating systems, PV operations are difficult in process management.First, we should clarifyPV operation meaningThe PV operation consists of the P operation

Apache2 has two types of processes: Master process (master_main) and child process (child_main ). Three threads are derived from sub-processes: 1. Control thread controls the thread. Is the main thread. Creates an accept thread and worker threads to

Due to the rapid popularity of the Internet, more and more applications are capable of communicating with other programs online. Since Win95, Microsoft has integrated network functions into its operating system, making the network communication

Program For your own learning. Introduction to the paradigm Huffman: http://blog.pfan.cn/lingdlz/36436.htmlthe decompressed program is written in front of huffman. Http://www.cnblogs.com/rocketfan/archive/2009/09/12/1565610.html The program was