大约有 40,000 项符合查询结果(耗时:0.0295秒) [XML]

https://stackoverflow.com/ques... 

Add a prefix to all Flask routes

...tant to the route at every definition. Is there a way to do this automatically? 10 Answers ...
https://stackoverflow.com/ques... 

What is a None value?

...n't write the sticker "F", there was already an F sticker on the None, and all you did was move it, from None to "fork". So when you type F = None, you're "reset[ting] it to its original, empty state", if we decided to treat None as meaning empty state. I can see what he's getting at, but that's a...
https://stackoverflow.com/ques... 

How to get a function name as a string?

In Python, how do I get a function name as a string, without calling the function? 12 Answers ...
https://stackoverflow.com/ques... 

How to get number of entries in a Lua table?

...ual, any of 3, 5 and 9 are valid results for #t. According to the manual, calling # on non-sequences is undefined. That means that any result (-1, 3, 3.14, 5, 9) is valid. – cubuspl42 May 12 '14 at 20:08 ...
https://stackoverflow.com/ques... 

Find all packages installed with easy_install/pip?

Is there a way to find all Python PyPI packages that were installed with easy_install or pip? I mean, excluding everything that was/is installed with the distributions tools (in this case apt-get on Debian). ...
https://stackoverflow.com/ques... 

Does Python have “private” variables in classes?

...ass variables. In Java, nothing prevents you from doing the same if you really want to - after all, you can always edit the source of the class itself to achieve the same effect. Python drops that pretence of security and encourages programmers to be responsible. In practice, this works very nicely...
https://stackoverflow.com/ques... 

What's the best way to send a signal to all members of a process group?

... And if you modify the format slightly and sort, you get to see all processes nicely grouped and beginning with (potentially) the group parent in each group: ps x -o "%r %p %y %x %c" | sort -nk1,2 – haridsv Dec 3 '12 at 12:18 ...
https://stackoverflow.com/ques... 

How to find the size of localStorage

...ly developing a site that will make use of HTML5's localStorage. I've read all about the size limitations for different browsers. However, I haven't seen anything on how to find out the current size of a localStorage instance. This question seems to indicate that JavaScript doesn't have a built in...
https://stackoverflow.com/ques... 

How to print a int64_t type in C

... hexadecimal. cppreference.com has a full listing of available macros for all types including intptr_t (PRIxPTR). There are separate macros for scanf, like SCNd64. A typical definition of PRIu16 would be "hu", so implicit string-constant concatenation happens at compile time. For your code to ...
https://stackoverflow.com/ques... 

Should __init__() call the parent class's __init__()?

... In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class: object.__init__(self) In case of object, calling th...