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When is the thread pool used?

... My question is this: if I stand up an HTTP server in Node.js and call sleep on one of my routed path events (such as "/test/sleep"), the whole system comes to a halt. Even the single listener thread. But my understanding was that this code is happening on the worker pool. There is no sleep me...
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Page redirect after certain time PHP

... If you are redirecting with PHP, then you would simply use the sleep() command to sleep for however many seconds before redirecting. But, I think what you are referring to is the meta refresh tag: http://webdesign.about.com/od/metataglibraries/a/aa080300a.htm ...
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Keyboard Interrupts with python's multiprocessing Pool

...g as my, yes unfortunately complicated, solution. It hides behind the time.sleep(10) in the main process. If you were to remove that sleep, or if you wait until the process attempts to join on the pool, which you have to do in order to guarantee the jobs are complete, then you still suffer from the ...
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How to mock an import

...ulate a side-effect that took some time. So I needed an object's method to sleep for a second. That would work like this: sys.modules['foo'] = MagicMock() sys.modules['foo.bar'] = MagicMock() sys.modules['foo.baz'] = MagicMock() # setup the side-effect: from time import sleep def sleep_one(*args): ...
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How to prevent a background process from being stopped after closing SSH client in Linux

...hat every other app has done since the beginning -- double fork. # ((exec sleep 30)&) # grep PPid /proc/`pgrep sleep`/status PPid: 1 # jobs # disown bash: disown: current: no such job Bang! Done :-) I've used this countless times on all types of apps and many old machines. You can combine ...
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BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术

...大小并不固定,可动态扩张或缩减。当进程调用malloc 等函数分配内存时,新分配的内存就被动态添加到堆上(堆被扩张);当利用free 等函数释放内存时,被释放的内存从堆中被剔除(堆被缩减) 栈(stack):栈又称堆栈, 是用...
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Colors with unix command “watch”?

...t know the flags or there isn't you can make a poor's man watch by: while sleep <time>; do clear; <command>; done It will have a bit of flicker (watch works "double buffered") but for some stuff it is useful enough. You may be tempted to make a double buffered poor man's watch using ...
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的私有成员。为了去除这种差异,编译器会产生一些仿造函数: /*package*/ static int Foo.access$100(Foo foo) { return foo.mValue; } /*package*/ static void Foo.access$200(Foo foo, int value) { foo.doStuff(value); } 每当内部类需要访问外部类中的mVa...
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What does the 'static' keyword do in a class?

...s if they were instance members, e.g. // Bad code! Thread.currentThread().sleep(5000); someOtherThread.sleep(5000); That makes it look as if sleep is an instance method, but it's actually a static method - it always makes the current thread sleep. It's better practice to make this clear in the ca...
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How do I parallelize a simple Python loop?

...ort concurrent.futures import time, random # add some random sleep time offset = 2 # you don't supply these so def calc_stuff(parameter=None): # these are examples. sleep_time = random.choice([0, 1, 2, 3, 4, 5]) time.sleep(sleep_time) return parame...