大约有 43,000 项符合查询结果（耗时：0.0733秒） [XML]
Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
I'm trying to speed up the answer here using Cython. I try to compile the code (after doing the cygwinccompiler.py hack explained here ), but get a fatal error: numpy/arrayobject.h: No such file or directory...compilation terminated error. Can anyone tell me if it's a problem with my code, or...
Persist javascript variables across pages? [duplicate]
Is there a way we can persist javascript variables across various pages? Suppose in Page A I am setting window.someVar = 5 . Then I move to Page B, via clicking a hyperlink in A, and do something like alert(window.someVar) -- I should get a message box displaying 5. Is there a technique to persis...
Double decimal formatting in Java
I'm having some problems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
...
Remove accents/diacritics in a string in JavaScript
How do I remove accentuated characters from a string?
Especially in IE6, I had something like this:
28 Answers
...
Segue to another storyboard?
Is it possible to segue from one storyboard to another, or to embed a storyboard in a view controller in another storyboard? I need to place a UITabBarController in a UINavigationController , and I'd like to keep them nice and separate.
...
Copy file or directories recursively in Python
Python seems to have functions for copying files (e.g. shutil.copy ) and functions for copying directories (e.g. shutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission.
...
Is !important bad for performance?
I hate them, it defies the cascading nature of CSS, and if you don't use them with care you end up in a loop of adding more !important .
...
Detecting design mode from a Control's constructor
...it possible to detect whether one is in design or runtime mode from within an object's constructor?
14 Answers
...
Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
...
Regex how to match an optional character
I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not.
...