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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
... this problem: Sometimes the process that has locked the table shows up as sleeping in the processlist! I was tearing my hair out until I killed all the threads that were open in the database in question, sleeping or not. That finally unlocked the table and let the update query run. The commenter me...
How can I make a .NET Windows Forms application that only runs in the System Tray?
... Or a bool bRunning = true; while(bRunning){Application.DoEvents(); Thread.Sleep(10);}. Then set bRunning = false; to exit the app.
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手机当上位机：用二进制协议和设备收发数据 · App Inventor 2 中文网
...下载 binary_device.py，运行 python binary_device.py。
窗口显示「模拟设备已启动，端口 8888」和电脑 IP。电脑和手机连同一个 Wi-Fi；IP 不对时在电脑上用 ipconfig（Windows）或 ifconfig 查局域网 IP。
App 里拖一个 Socket客户端（服务器地址填...
Asynchronous method call in Python?
...time() + 1.0) >= end_time:
break
yield from asyncio.sleep(1)
loop = asyncio.get_event_loop()
# Blocking call which returns when the display_date() coroutine is done
loop.run_until_complete(display_date(loop))
loop.close()
New async/await syntax:
async def display_date(loo...
How can I make the cursor turn to the wait cursor?
...ed = true;
}
Here's the code form the main form
private void btnSleep_Click(object sender, EventArgs e)
{
var control = sender as Control;
if (control != null)
{
Log.Info("Launching lengthy operation...");
CursorWait.LengthyOperation(con...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...失败的。因此你可以使用类似下面的通配符来查找正确的函数名：
x MSVCR90D!*tol×
然后用bm *tol*给所有含有tol的函数都设置断点；
然后用bl查看断点列表，用bc 2-6 清除，用bd 2-6禁用 第二个到6个断点
2. lm查看loaded Modules
lm
...
What is a daemon thread in Java?
...s) {
new WorkerThread().start();
try {
Thread.sleep(7500);
} catch (InterruptedException e) {
// handle here exception
}
System.out.println("Main Thread ending") ;
}
}
class WorkerThread extends Thread {
public WorkerTh...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
我们打开iat.txt文件，把disasm.txt文件中的地址全部转换成函数名，例如：
代码:
8048979: 68 00 00 00 00 push $0x0
804897e: 68 03 00 00 00 push $0x3
8048983: e8 88 fe ff ff call 0x8048810
转换成
这样...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...ile, it will surely die, but processes fork()+exec()-ed from it (like your sleep did) inherit copies of open file descriptors along with flock() locks. Killing the script while sleep is sleeping won't unlock, because sleep process is still holding the lock. For lockable script it's important, becaus...
What's a good rate limiting algorithm?
...minInterval - elapsed
if leftToWait>0:
time.sleep(leftToWait)
ret = func(*args,**kargs)
lastTimeCalled[0] = time.clock()
return ret
return rateLimitedFunction
return decorate
@RateLimited(2) # 2 per second at most
def P...