大约有 40,000 项符合查询结果(耗时:0.0797秒) [XML]

https://stackoverflow.com/ques... 

Flask vs webapp2 for Google App Engine

...questHandler and inherit from it. This is also good for utility functions, etc. As you can see for example in link [3] you can override methods to prevent dispatching a request. If you are an OO-person, or if you need to design a REST-server, I would recommend webapp2 for you. If you prefer simple ...
https://stackoverflow.com/ques... 

Environment variables for java installation

...r-unique-entries does not contain any other references to another Java installation folder. Note for Windows users on 64-bit systems: Progra~1 = 'Program Files' Progra~2 = 'Program Files(x86)' Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
https://stackoverflow.com/ques... 

How do I unload (reload) a Python module?

.... When targeting 3 or later, either reference the appropriate module when calling reload or import it. I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself. To quo...
https://stackoverflow.com/ques... 

How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

... This calls is_dir twice for each recursed directory. If the argument is a symlink, it also follows it instead of deleting the symlink, which might or might not be what you want. In any case, it's not what rm -rf does. ...
https://stackoverflow.com/ques... 

In C, do braces act as a stack frame?

...'t have to generate code that pushes/pops anything on entry/exit (and generally, they don't). Also note that local variables may not use any stack space at all: they could be held in CPU registers or in some other auxiliary storage location, or be optimized away entirely. So, the d array, in theor...
https://stackoverflow.com/ques... 

Merge two Git repositories without breaking file history

...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...
https://stackoverflow.com/ques... 

Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
https://stackoverflow.com/ques... 

Android Archive Library (aar) vs standard jar

... Jar and a AAR is that AARs include resources such as layouts, drawables etc. This makes it a lot easier to create self-contained visual components. For example if you have multiple apps that use the same login screen, with Jars you could share classes but not the layout, styles, etc., you s...
https://stackoverflow.com/ques... 

How does having a dynamic variable affect performance?

... object again, and if the object is the same type as it was last time, it fetches the delegate out of the cache and invokes it. If the object is of a different type then the cache misses, and the whole process starts over again; we do semantic analysis of the call and store the result in the cache. ...
https://stackoverflow.com/ques... 

What is the difference between HTTP_HOST and SERVER_NAME in PHP?

...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...