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C++0x has no semaphores? How to synchronize threads?
Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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How to implement “select all” check box in HTML?
I have an HTML page with multiple checkboxes.
29 Answers
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How can I read SMS messages from the device programmatically in Android?
...else {
// empty box, no SMS
}
Please add READ_SMS permission.
I Hope it helps :)
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Elegant way to invert a map in Scala
...lue->key lookups. I was looking for a simple way to do this, but came up with only:
10 Answers
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Catch an exception thrown by an async void method
Using the async CTP from Microsoft for .NET,
is it possible to catch an exception thrown by an async method in the calling method?
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Capture keyboardinterrupt in Python without try-except
Is there some way in Python to capture KeyboardInterrupt event without putting all the code inside a try - except statement?
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Pickle or json?
I need to save to disk a little dict object whose keys are of the type str and values are int s and then recover it . Something like this:
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How to delete a file via PHP?
How do I delete a file from my server with PHP if the file is in another directory?
6 Answers
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
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Every instance of that oddity is paired with a case of a regular single ellipsis.
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(_ArgTypes...)>
{ typedef _Res result_type; };
template<typ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...