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,intAintb) { This. Dead = dead; This. A = A; This. B = b;}@Override PublicvoidRun () {Dead.read ();Dead.write (A, b);}}classDeadlockrisk {PrivateStaticclassResource { PublicintValue}PrivateResource Resourcea =NewResource ();PrivateResource RESOURCEB =NewResource (); Public intRead () {synchronized(Resourcea) {System.out.println ("read ():"+ Thread.CurrentThread (). GetName () +"Get the lock of Resourcea!" ");synchronized(RESOURCEB) {System.out.println ("read ():"+ Thread.CurrentThread (). GetN

1. We first enter the Metro interface and then press "WIN" + "C" on the keyboard to open the "Super button" as shown in the following image.2. Entering our Super menu, we click on the "Settings" button in the image below.3. Then "Change computer Settings" in the open window is shown in the following illustration.4. Then into the interface we find "Computer settings" then we find the "General" option to click into.5. Then we find the "reboot now" below the "advanced boot" shown in the figure belo

1. In the system we Press "Win+r" in the pop-up dialog box we click: Msconfig, then we click "OK", as shown in the following figure. 2. In the Pop-up System Configuration dialog box, we click on the "Boot" tab, as shown in the following figure. 3. Under the Boot tab window, check the security boot (F) under the boot option, and then click OK, as shown in the following figure. 4. The system will then tell us to go to the "Safe mo

The first Windows version of PHP3.0.17, released on October 20, 2000, started with a thread-safe version, because unlike the Linux/unix system, which works in a multi-process manner, Windows systems work in a multi-threaded way. It is very slow to run PHP as CGI under IIS, because the CGI pattern is built on a multi-process basis, not multithreaded. In general, we will configure PHP to run in ISAPI way, ISAPI is multi-threaded way, so much faster. The

Copy CodeThe code is as follows: Ini_set ("Safe_mode", true);?> Table 42-2. Safe Mode restriction functions Name of function Limit Dbmopen () Checks whether the file or directory being manipulated has the same UID (owner) as the script being executed. Dbase_open () Checks whether the file or directory being manipulated has the same UID (owner) as the script being executed.

1.ArrayList: The bottom layer is the array structure,Query Fast, adding and deleting slow linkedlist: The underlying structure is linked list, query slow , delete quickly2. Thread-safe and non-thread-safenon-thread-safe refers to a problem that can occur with multithreaded operations on the same object .thread Safety is not a problem with multithreaded operations on the same object .Thread safety must use m

A total of four versions, VC9 x86 Non thread safe, VC9 x86 thread safe, VC6 x86, Non thread safe, VC6 x86 thread safe, which gave me this rookie headache Ah, fortunately PHP website to provide download There is an English choose on the left. I understand, I guess that is how to choose the version of the meaning of it,

I always wanted to build my own blog and valued the most popular WordPress, so I started to use PHP. When I went to the official website to download a large number of versions, I couldn't find out which one to use. So I went to the Internet to search for help and found a satisfactory answer. I 'd like to share it with new users who want to learn PHP: I. How to select the vc9 and vc6 versions of php5.3 Vc6 is compiled using the Visual Studio 6 compiler. If your PHP is set up using Apach

People with C + + development experience will find that we can use 0 as false, not 0 as true. A function is of type bool, but we can return the type of int and automatically convert 0 to False, not 0 to true. The code example is as follows: Copy Code code as follows: #include #include using namespace Std; the bool Fun ()//function return type is bool, but we can return the int type in the function. { return 1; } void Main () { int a=1; The IF (a)//a is of