大约有 46,000 项符合查询结果(耗时:0.0484秒) [XML]

https://stackoverflow.com/ques... 

How to remove leading zeros from alphanumeric text?

... "]"); } See also regular-expressions.info repetitions, lookarounds, and anchors String.replaceFirst(String regex) share | improve this answer | follow ...
https://stackoverflow.com/ques... 

What is the reason for having '//' in Python? [duplicate]

... In Python 3, they made the / operator do a floating-point division, and added the // operator to do integer division (i.e. quotient without remainder); whereas in Python 2, the / operator was simply integer division, unless one of the operands was already a floating point number. In Python 2...
https://stackoverflow.com/ques... 

Difference between no-cache and must-revalidate

...st-Modified, the agent has nothing to use to validate what it has in cache and must download the whole payload again. So when the RFC says "revalidate" that probably means, re-fetch. – Luke Puplett Nov 13 '13 at 11:55 ...
https://stackoverflow.com/ques... 

What is a bank conflict? (Doing Cuda/OpenCL programming)

I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...
https://stackoverflow.com/ques... 

What's “requestCode” used for on PendingIntent?

...ded even in case the alarms' intents are very different (one for service A and one for service B , for example ) ? Also, how come the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode? – android...
https://stackoverflow.com/ques... 

Why am I seeing “TypeError: string indices must be integers”?

I'm playing with both learning python and trying to get github issues into a readable form. Using the advice on How can I convert JSON to CSV? I came up with this: ...
https://stackoverflow.com/ques... 

Initializing a struct to 0

... The first is easiest(involves less typing), and it is guaranteed to work, all members will be set to 0[Ref 1]. The second is more readable. The choice depends on user preference or the one which your coding standard mandates. [Ref 1] Reference C99 Standard 6.7.8...
https://stackoverflow.com/ques... 

(-2147483648> 0) returns true in C++?

...uld make the compiler to evaluate -2147483648 in the domain of larger type and the result would be negative, as one would expect. However, apparently in your case the range of long int is the same as range of int, and in general there's no integer type with greater range than int on your platform....
https://stackoverflow.com/ques... 

Matplotlib different size subplots

... as wide as the second (same height). I accomplished this using GridSpec and the colspan argument but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize argument in the constructor, but how do I change the size of the second plot? ...
https://stackoverflow.com/ques... 

What does `kill -0 $pid` in a shell script do?

... 0 to a given PID just checks if any process with the given PID is running and you have the permission to send a signal to it. For more information see the following manpages: kill(1) $ man 1 kill ... If sig is 0, then no signal is sent, but error checking is still performed. ... kill(2) $ man...