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The movement of the cursorThe command cursor moves h or^H Move one character to the left J or^j or ^N Move down one line K or^p Move up one line L or space to the right move a character G move to the last line of the file NG Move to row N of the

Original: The role of the keyword auto, static, register, const, volatile, extern in C languageKeyword auto, static, register, const, volatile, externThese keywords are basic knowledge of C + +, I have organized a bit, I hope to be useful to the

Semaphore, sync these nouns have been said in the process of communication, where they mean the same, except that the synchronized objects are different. However, the interface of the semaphore described below is used for the semaphore of the thread,

I. Overview In Java to implement the functions of scheduled tasks, the main use of two classes, timer and TimerTask class. Where a timer is used to perform a specified task on a specified schedule in a background thread. TimerTask an abstract

Linux Process scheduling principle The goal of Linux process scheduling 1. Efficiency: High efficiency means more tasks to be done at the same time. The scheduler is executed frequently, so the scheduler should be as efficient as possible; 2.

Uboot's makefile has two all: First all: No dependencies, no commands. Followed by two articles include Sinclude $ (obj) INCLUDE/AUTOCONF.MK.DEPSinclude $ (obj) include/autoconf.mk Another all: $ (all-y) $ (subdir_examples) This all is what we

: Exit command is, press ESC to jump to command mode, and then enter: Q (not saved) or: Wq (save) exit. more exit Commands: : w save file but not exit VI: W file will be modified to save in file, do not exit VI: w! Mandatory save, do not launch VI:

1, VIM fast move the cursor to the beginning and end of line 1 Press the Home key on the keyboard to quickly move the cursor to the beginning of the line. Use ^ (SHIFT + 6) or 0 (number 0) in command/Normal mode to return to the beginning of the

reproduced from: http://blog.csdn.net/brucexu1978/article/details/7721313 Linux process status (PS stat) R, S, D, T, Z, X March 11, 2012 Posted by Jian PS Progress Status: process state codesPROCESS State Codes Here are the different values of

NSIs commonly used callback functions NSIs commonly used callback functions Onguiinit onInit oninstfailed oninstsuccess onguiend onmouseoversection onrebootfailed onselchange Onuserabort onverifyinstdir unguiinit unoninit unonuninstfailed

14 Insert the Age field type before the field name in the test table tinyint (2)Mysql> CREATE TABLE test (ID int (4) not NULL, name varchar (+) not NULL);Query OK, 0 rows affected (0.36 sec)mysql> desc test;+-------+-------------+------+-----+-------

1) Log in to the MySQL database.Mysql–uroot–poldboy123Mysql2) View the currently logged on user.Selectuser ();3) Create the database Oldboy and view the complete statement of the built library . Create Database Oldboy;show databases;Show CREATE

The target of Linux process scheduling1. Efficiency: High efficiency means that more tasks are done at the same time. The scheduler will be executed frequently, so the scheduler should be as efficient as possible;2. Enhance the interactive

Many beginners start vim, do not know how to enter characters: Press the half-day letter, the result screen is still empty.Vim is not the same as Notepad or word, and it is in normal mode when you enter text without opening it.There are 4 modes of

Note: These commands have a colon before them:Edit Exit VimWhen you are finished editing the document, you are ready to exit VI when you return to the shell, you can use one of the following methods.In command mode, double-press two capital Letter Z,

Install JDK 1.6 (jdk-6u45-linux-x64.bin) under Linux system (x64)One, check to see if the JDK is installed:# Rpm-qa | --versionSecond, download the installation

In command mode, double-press two capital Letter Z, if the currently edited file has been modified, then VI save the file and exit, return to the shell; if the currently edited file has not been modified, VI exits directly and returns to the

1) su root2) Mkdir/usr/java3) chmod 777/usr/java4) Cd/usr/java5) tar-xvzf jdk-7u75-linux-x64.tar.gz6) MV jdk1.7.0_75/usr/jdk1.77) cd/usr/jdk1.7[Email protected] jdk1.7]# ls-lTotal 8Drwxr-xr-x 8 UUCP 143 4096 Dec 17:04 jdk1.7.0_758)

First, the Dock * Equivalent to Windows Quick Launch bar, used to store the icons of common software* Click the software icon to open the appropriate software* Right click on the Software icon and other menu options: such as exiting the software*

Summarize: The default parent thread runs out, and the child threads do not exit immediately, unlike THREAD.START_THREADXXXX The parent thread ran out, and did not quit, and had been there Thread startup is fast and does not cost