大约有 47,000 项符合查询结果（耗时：0.0658秒） [XML]
How to detect DIV's dimension changed?
...
@jake, IE11 support is now implemented.
– Marc J. Schmidt
Sep 8 '14 at 12:25
16
...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...ke(0, 0, width, height), imageRef);
CGContextRelease(context);
// Now your rawData contains the image data in the RGBA8888 pixel format.
NSUInteger byteIndex = (bytesPerRow * y) + x * bytesPerPixel;
for (int i = 0 ; i < count ; ++i)
{
CGFloat alpha = ((CGFloat) rawDat...
UnboundLocalError on local variable when reassigned after first use
...
global c
as the first line of the function.
As for python 3, there is now
nonlocal c
that you can use to refer to the nearest enclosing function scope that has a c variable.
share
|
improve ...
Wait until all jQuery Ajax requests are done?
...
jQuery now defines a when function for this purpose.
It accepts any number of Deferred objects as arguments, and executes a function when all of them resolve.
That means, if you want to initiate (for example) four ajax requests, t...
Using multiple let-as within a if-statement in Swift
...and latitude or longitude as Double")
}
Update: This version of the code now works properly.
share
|
improve this answer
|
follow
|
...
How do I override __getattr__ in Python without breaking the default behavior?
...
-1 This does modify default behavior. Now you have an AttributeError without the context of the attribute in the exception args.
– wim
Nov 26 '18 at 19:43
...
Running MSBuild fails to read SDKToolsPath
...ols. I've recently upgraded all the project/solution files to VS2010, and now my build fails with the following error:
25 ...
How to add NERDTree to your .vimrc
...
I dont know why but this does not work for me. I have to call :NERDTreeToggle inside vim to show nerdtree anyway
– hgf
Dec 9 '10 at 15:57
...
Resync git repo with new .gitignore file
...les
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to avoid any incident as jball037 comments below.
The --cached option will keep your...
Select DISTINCT individual columns in django?
...
The method described below is now available in django 1.4 and is nice if you need ProductOrder instance with field aware distinct ;-)
– Jonathan Liuti
Oct 16 '12 at 15:03
...