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_pid_file_path"'off (kill-0$mysqld _pid2>/dev/null) ThenEcho $echo _n " shutting down MySQL "Kill $mysqld _pid# mysqld Shouldremove The PID file when it exits, so wait for it.Wait_for_pid removed "$mysqld _pid" "$mysqld _pid_file_path" ; Return_value=$?ElseLog_failure_msg "MySQL Server process #$mysqld _pidis notrunning! "RM " $mysqld _pid_file_path "fi# Delete Lock Forredhat/suseif test - F " $lock _file_path " ThenRM - F " $lock _file_path "fiExit

condition after the assert is "value ?? Throws an exception when the assertion condition is not met, by default, shows only where the exception was thrown, and does not show what throws the exception, so for the exception information to be more explicit, you can specify an exception description for the Assert statement.>>> value = 20>>> assert value This example demonstrates the use of assertions.name = "Bill" # 定义变量nameassert name == "Bill" # 断言条件表

Long) pthread_self ()); ThreadPool *pool = (ThreadPool *) args; Wait for the task to arrive, and then perform the task while (true) {bool Timeout = false; Pool->ready.lock (); When waiting, it means that the idle thread is more than one + + pool->idle; The condition variables in Pool->ready have three functions://1. Wait for task queue to arrive//2. Wait for the thread pool to destroy the notification//3. Ensure that threads can be destroyed (thread exits) when waiting f

. ADOConnection1.ConnectionString; flistbox:=lb; Flabel:=lab; Fsqlstring:=sql; Inherited Create (False); End Procedure Tadothread.Execute; Var Qry:tadoquery; I:integer; Begin {Place thread code here} Freeonterminate:=true; CoInitialize (nil); //must be called (requires uses ActiveX) Qry:=tadoquery.Create (nil); Try Qry.connectionstring:=connstring; //must have a connection of their own Qry.Close; Qry. SQL.Clear; Qry. SQL.ADD (fs

* * * * ************************************ Last unsuccessful Login:fri Mar 3 12:01:09 ist 2009Last login:wed Mar 8 18:33:27 ist-on p TS/10 {Do your work}$ logoutconnection closed. C:>Finger ToolsFinger allows us to view the user information on the local host or remote host. Some systems disable the finger command for security purposes.For example, to view native users online:$ fingerlogin Name Tty Idle Login time officea

of a class to its subclasses.#include using namespacestd;classOperation { Public: Virtual DoubleGetResult () =0; DoubleM_dnum_a =0; DoubleM_dnum_b =0;};classOperationadd: PublicOperation { Public: Virtual DoubleGetResult () {DoubleDresult = M_dnum_a +M_dnum_b; returnDresult; }};classOperationsub: PublicOperation { Public: Virtual DoubleGetResult () {Dou

(excerpt) Samba servicesI. Introduction of SAMBASamba is a free software that implements the SMB protocol on Linux and UNIX systems, consisting of servers and client programs. SMB (Server Messages block, information service blocks) is a kind of communication protocol for sharing files and printers on LAN, which provides shared services of files and printers among different computers in LAN. The SMB protocol is a client/server protocol that allows clients to access shared file systems, printers,

#include #include#defineN 20//0//1 2//3 4 5 6//get the largest one in the array and then climb to the top (large number to the summit)voidGetmax (int*arr,intsize) { //Traverse for(inti = size-1; i >0; i--) { //Current Node intChild =i; //parent Node intParent = (I-1)/2; //if the value of the current node is greater than the parent node, move upwards if(Arr[child] >Arr[p

]Related commands for package group management:* Groupinstall group1 [group2] [...]* Groupupdate group1 [group2] [...]* grouplist [hidden] [Groupwildcard] [...]* Groupremove group1 [group2] [...]* GroupInfo group1 [...]Yum command-line Options :--nogpgcheck: No GPG check is allowed;-Y: Auto Answer "yes";-Q: Silent mode;--disablerepo=repoidglob: Temporarily disables the repo specified here;--enablerepo=repoidglob: Temporarily enable the repo specified here;--noplugins: Disable all plugins;The var

command accepts only standard input (standoutput). 09, Background process characters. 10, logic and symbols. Usage: Command 1 command 2 indicates that if command 1 executes successfully, continue with command 2. 　　 11, | | Logical OR symbolic. Usage: Command 1 | | Command 2 indicates that command 1 executes successfully, does not execute command 2, but executes command 2 if command 1 execution fails. 12,! Logical non-symbol (negate or reverse). Excludes the specified range. Example: LS

Using System;Class Studenthomework{public enum Friends{boss, Dick, old Three, old four, old five, old six};public static void Main (){Friends f1 = Friends. Boss;Friends F2 = Friends. Dick;Friends F3 = Friends. Old Three;Friends f4 = Friends. Old Four;string[] family = new String[6];Family[0] = "Aunt";FAMILY[1] = "two aunts";FAMILY[2] = "three aunts";Family[3] = "Aunt";Console.WriteLine ("This is my circle of friends: 1.friends,2.classmate,3.family,4.c

order must first define the positional parameters, then define args, and finally define the positional parameters Before parameter name plus * *, custom parameter name Kwargs#def my_sum (A, b):#res = a + b#return RESD#ret = my_sum (+)#print (ret)#ret = my_sum (3,b = 6)#print (ret)#def classmate (name,sex = ' male '): #默认参数, if you do not pass the default parameters, if passed, pass the value of the transfer +##只有调用函数的时候##按照位置传: The value of the direct write parameter##按照关键字: keyword =

: Y (intnewint[s]; init ();} ~Y () {delete [] p;}};If Init () throws an exception, the construction of the related object is not completed and the destructor is not called, and the allocated storage is not freed. A safe variant is:class z{ vectorint> p; void init (); Public : Z (int s):p (s) {init ();} // ...};(2) Smart pointer auto_ptr. AUTO_PTR supports the "resource request as initialization" technique, and auto_ptr has the same replication semantics as a regular poi

C # Notes 9--multi-screen, full-screen program based on TableLayoutPanel Recently, due to the need for work, you need to set up a multiple-screen window to facilitate multiple-screen playback of the video.Thinking about it, the general idea is as follows: Use TableLayoutPanel to divide multiple regions, in each area, put a PictureBox, with PictureBox to receive the camera data flow;Each time you select a different split screen, set the number of rows