大约有 40,000 项符合查询结果(耗时:0.0413秒) [XML]

https://stackoverflow.com/ques... 

Why is nginx responding to any domain name?

I have nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf: ...
https://stackoverflow.com/ques... 

When is “i += x” different from “i = i + x” in Python?

... This depends entirely on the object i. += calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2. From an API perspective, __iadd__ is supposed to be used fo...
https://stackoverflow.com/ques... 

The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
https://stackoverflow.com/ques... 

How to use timeit module

... The way timeit works is to run setup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort reall...
https://stackoverflow.com/ques... 

How does Trello access the user's clipboard?

...source code Trello uses to accomplish the clipboard trick. We don't actually "access the user's clipboard", instead we help the user out a bit by selecting something useful when they press Ctrl+C. Sounds like you've figured it out; we take advantage of the fact that when you want to hit Ctrl+C, ...
https://stackoverflow.com/ques... 

How do I create some kind of table of content in GitHub wiki?

...nk is <project URL#<header name>. The <header name> must be all lower case. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Why would one use nested classes in C++?

... it at any time so you can not use it. Look at std::list or std::map they all contain hidden classes (or do they?). The point is they may or may not, but because the implementation is private and hidden the builders of the STL were able to update the code without affecting how you used the code, or...
https://stackoverflow.com/ques... 

How can I see normal print output created during pytest run?

...in the junit report? In UNIX, this is commonly referred to as teeing. Ideally, teeing rather than capturing would be the py.test default. Non-ideally, neither py.test nor any existing third-party py.test plugin (...that I know of, anyway) supports teeing – despite Python trivially supporting tee...
https://stackoverflow.com/ques... 

How to update PATH variable permanently from Windows command line?

... do this can be found on MSDN. The key extract is this: To programmatically add or modify system environment variables, add them to the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment registry key, then broadcast a WM_SETTINGCHANGE message with lParam set to the s...
https://stackoverflow.com/ques... 

How do I check if an object has a specific property in JavaScript?

... I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...