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IOS development: How to suspend the main thread However, in some cases, we want the main thread to wait for the IO operation to complete-for example, after the main thread creates a folder, wait for the completion and then create a file in the folder. The NSObject class has a method named maid mainthread: withObject: waitUntilDone that can suspend the main thread, but the selector can only contain one param

/********************************************************************* * Author:samson * date:04/28/2014 * Test PL Atform: * 3.11.0-12-generic #19-ubuntu * GNU bash, version 4.2.45 * **************************** ***************************************/The commands that have a hang (and that is, standby) in Linux are:RtcwakeWith a lot of other help on this command, you can do man at the command terminal:Mans RtcwakeExamples of simple use of this command are:Rtcwake-m Mem-s 60Indicates that the sy

Original: C language Suspend program under Windows systemWindows system, many C-language beginners debugging, often do not see the results of the program on the exit, as far as I know the method mainly has the following severalMethod One:#includeint main (){System ("pause");//Use a DOS command, press any key to continuereturn 0;}Method Two:#includeint main (){GetChar ();//must press ENTER to end, not any keyreturn 0;}C language

the same time. When a transaction modifies a block of data, it holds the lock that protects the modification until the end of the transaction. When you specify a table lock for a bulk-import operation, the table will take a bulk update (BU) lock during the bulk-import operation. Bulk update (BU) locks allow multiple threads to concurrently bulk import data into the same table while preventing other processes that do not bulk import data from accessing the table. Table locking can be used to imp

the variable.replicas are independent of each other so that each thread is free to modify its own copy of the variable without affecting other threads. Common methods of ThreadLocal classThreadLocal (): Create a thread-local variableget (): Returns the value in the current thread copy of this thread's local variableinitialvalue (): Returns the "initial value" of the current thread for this thread's local variablesSet (T value): Sets the value in the current thread copy of this thread's local va

]; [Ivct SETTARGET:DFM]; [Ivct Setselector:sel]; Provide the memory address of the method Filepathmanager *fpm = [Filepathmanager sharedinstance]; NSString *path = Fpm.programrecorddirectorypath; [Ivct Setargument:path Atindex:2]; The index of the parameter in the array starts at 2 [Ivct setargument: (void *) bool_no atindex:3]; Type conversions of (void *) can avoid compiler warnings [Ivct setargument: (void *) id_nil atindex:4]; [Ivct setargument: (void *) void_null atindex:5]; [Ivct

Unit Unit1;InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, Stdctrls;TypeTForm1 = Class (Tform)Button1:tbutton;Button2:tbutton;Button3:tbutton;Button4:tbutton;Procedure Button1Click (Sender:tobject);Procedure Button2click (Sender:tobject);Procedure Button3click (Sender:tobject);Procedure Button4click (Sender:tobject);Private{Private declarations}Public{Public declarations}hthread:thandle;//definition of a handleThreadid:dword;EndVarForm1:tform1;Impl

Article reprinted from: http://blog.csdn.net/think2me/article/details/39056379Bo Master said without my permission, not reproduced, then do not post, copy the key parts for the memo1. Staging area is a very important concept for git, figuring out staging area, and figuring out what a lot of git's operations are doing. 2. Git manages the modification, not the file, so commit will only submit a change of the deferred zone that has been add 3. Modify: When you mess up the contents of a file in the

First, install, configure, start FTP, SSH, or NFS servicesRefer to Vedon's complete manual for embedded Linux application development http://pan.baidu.com/s/1o79h3n0Second, Windows, Linux, and the Development Board need to ping the threeReference: Http://pan.baidu.com/s/1o8Uw0voNote: The Development Board ping Virtual machine is under the root file system, modify IP, mask number can be modified in U-boot set IPADDR Thirdly, to burn a u-boot with some special functions.Resources: Http://pan.baidu

This article was reproduced from: http://www.360doc.com/content/16/0311/10/7821691_541261680.shtmlXshell do not want the CRT can be disconnected and stop printing, see this stop printing informationXshell when the middle wheel of the mouse is sliding, the printed information that is viewed will stop.Steps:Properties-"Advanced-" scroll the "input/output terminal when scrolling to the bottom" hook removedand press the key to scroll to the bottom to checkXshell

C # thread suspend and resume solution Yesterday, the teacher to each of us to make a program on the hacker, think about a day to find the port scan tool seems to be good to write points, from yesterday to today's basic almost finished, to everyone look at the effect, don't laugh at me oh Oh (~ ~) Figure 1 Port Scanner There are some parts of this program that are not very satisfying, that is, when the scan is paused and continues to be implemented,

When I landed on the bus yesterday, I thought it was the problem of my computer, but I tried it today or not. Later learned that the news is the domain name of the video game bus was forced to suspend the network. Million network has not issued any announcements. Clienthold, a type of domain name state that indicates that the domain name is forcibly discontinued by its registrar. The same function as Serverhold (which was forcibly discontinued

When installing MSSQL on XP in order to test the program, "A previous program installation has created a pending file operation on the installation computer." You must restart the computer before you run Setup "error. Unable to proceed, and the following is the solution to the prompt after a reboot: ⒈ enter regedit in Start/Run to open Registry Editor to view or modify the registry ⒉ Open Registry Editor, in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager, locate the Pending

Busybox/src/include/platform.h /* Fast_func is a qualifier which (possibly) makes function call faster * and/or smaller by using modified ABI. It is usually only needed * on non-static, busybox internal functions. Recent versions of GCC *

This is a created article in which the information may have evolved or changed. such as XML: The flag of item 3 obtained after parsing is the default value of FALSE, if you want to modify to true, you need to add the

Hal has been replaced by udev. for desktop environment, consolekit, policykit, udisks, and upower are required to ensure that the logon user has the relevant permissions. The solution is as follows: From:

ConsoleProgramThere are several solutions that can be directly disabled without seeing the results: 1. System ("pause") is not recommended for new users, because it depends on the operating system and you do not know what operations it has

program debugging under. Net is a lot simpler and less of a problem than the headaches of the pointer crossing the line. However, when your program encounters the following problems, it is still very tricky: 1. The process terminates abnormally.

Windows 7 operating system performance, but even if the win 7 computer system has done a good enough, occasionally will lose the response, there are so-called suspended animation situation. First, when the computer appeared suspended animation

Author: Moon Shadow Form:http://bbs.51js.com/thread-66361-1-1.html