... on something specific to the development environment it was written on in order to run. The result is the test passes on development boxes, but fails when someone attempts to run it elsewhere. The Hidden Dependency Closely related to the local hero, a unit test that requires some existing data to...

...he 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior. Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation. You can find a detailed descr...

... import sys thismodule = sys.modules[__name__] setattr(thismodule, name, value) or, without using setattr (which breaks the letter of the question but satisfies the same practical purposes;-): globals()[name] = value Note: at module scope, the latter is eq...

... this one-liner (in bash): mkdir --parents ./some/path/; mv yourfile.txt $_ Breaking that down: mkdir --parents ./some/path creates the directory (including all intermediate directories), after which: mv yourfile.txt $_ moves the file to that directory ($_ expands to the last argument passe...

... Do something like this: def function_that_downloads(my_args): # do some long download here then inline, do something like this: import threading def my_inline_function(some_args): # do some stuff download_thread = threading.Thread(target=function_t...

...e, but rarely used. As for how to get it: I would tend to simply try and order one with the provider of your choice, and enter the IP address instead of a domain during the ordering process. However, running a site on an IP address to avoid the DNS lookup sounds awfully like unnecessary micro-opt...

std::mutex 加锁抛 _DEVICE_OR_RESOURCE_BUSY 异常device_or_resource_busy最近遇到一个崩溃，在 std::lock_guard<std::mutex> lock(mutex_); 的地方，抛出了_DEVICE_OR_RESOURCE_BUSY 的异常。最终查出原因是：同一个线程对同一个mutex二次加锁导致的 最近遇到...

use of deleted function std::unique_ptr 编译错误剖析，你可能少了一个std::move编译报错日志如下： usr include c++ 4 7 bits stl_construct h:77:7: error: use of deleted function & 39;std::unique_ptr<_Tp, _Dp>::unique_ptr(const std::unique_p 编译报错日志如下： /usr/...

http://blog.csdn.net/mfcing/article/details/44157227

GetFileVersionInfoSize build时出现link2019 链接错误： #pragma comment(lib, &quot;version&quot;) 解决。