大约有 40,000 项符合查询结果(耗时:0.0716秒) [XML]

https://stackoverflow.com/ques... 

How to start a background process in Python?

...ect in python? I'd like these processes not to die when the python scripts complete. I am sure it's related to the concept of a daemon somehow, but I couldn't find how to do this easily. ...
https://stackoverflow.com/ques... 

Mac zip compress without __MACOSX folder?

... built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip. 13 Answe...
https://stackoverflow.com/ques... 

How do you check if a variable is an array in JavaScript? [duplicate]

...me. Array.prototype, is actually an array. you can read more about it here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray variable instanceof Array This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you'...
https://stackoverflow.com/ques... 

How to create EditText with cross(x) button at end of it?

...inefficient way of doing it. yanchenko's answer is right approach of using compound drawables. – numan salati Apr 10 '13 at 15:48 4 ...
https://stackoverflow.com/ques... 

Programmatically find the number of cores on a machine

...  |  show 10 more comments 205 ...
https://stackoverflow.com/ques... 

Importing from builtin library when module with same name exists

Situation: - There is a module in my project_folder called calendar - I would like to use the built-in Calendar class from the Python libraries - When I use from calendar import Calendar it complains because it's trying to load from my module. ...
https://stackoverflow.com/ques... 

'is' versus try cast with null check

...ing) { var x = (string) o; } This translates to the following IL: IL_0000: nop IL_0001: ldstr "test" IL_0006: stloc.0 // o IL_0007: ldloc.0 // o IL_0008: isinst System.String IL_000D: ldnull IL_000E: cgt.un IL_0010: stloc.1 IL_0011: ldloc....
https://stackoverflow.com/ques... 

Why is using 'eval' a bad practice?

..." attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location') def __init__(self): for att in self.attsToStore: setattr(self, att.lower(), None) def setDetail(self, key, val): if key in self.attsToStore: setattr(self, key.lower(), val) EDIT: The...
https://stackoverflow.com/ques... 

Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

...ch will use the actual boolean type (and resolve to true and false) if the compiler supports it. (specifically, C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note that re...
https://www.tsingfun.com/it/cp... 

C++ Lock-free Hazard Pointer(冒险指针) - C/C++ - 清泛网 - 专注C/C++及内核技术

C++ Lock-free Hazard Pointer(冒险指针)hazard_pointer1 Safe Reclamation MethodsFolly 的 Hazard Pointer 实现中有一段注释,详细描述了 C++ 里几种主流的安全内存回收方法,列表如下:优点缺点场景Locking易用读高开销 1. Safe Reclamation Methods Fo...