大约有 47,000 项符合查询结果（耗时：0.0694秒） [XML]
Difference between .success() and .complete()?
As of jQuery 1.5, all jQuery's AJAX methods return a jqXHR object that provides .error() , .success() , and .complete() methods.
...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
...
12 Answers
12
Active
...
Debugging automatic properties
...
Using Visual Studio 2008, 2010, 2012, 2013:
Go to the Breakpoint window
New -> Break at Function…
For the get, type: ClassName.get_Counter()
For the set, type: ClassName.set_Counter(int)
You'll get a "No Source Available" when the breakpoint i...
How to open files relative to home directory
...
109
The shell (bash, zsh, etc) is responsible for wildcard expansion, so in your first example th...
Replace words in a string - Ruby
...
|
edited Mar 1 '15 at 21:02
lucasarruda
1,19511 gold badge2121 silver badges3838 bronze badges
...
Javascript replace with reference to matched group?
...
Oh, or you could also:
"hello _there_".replace(/_(.*?)_/, "<div>$1</div>")
share
|
improve this answer
|
follow
|
...
Can PostgreSQL index array columns?
...
184
Yes you can index an array, but you have to use the array operators and the GIN-index type.
E...
How do .gitignore exclusion rules actually work?
...
155
/a/b/c/*
!foo
Seems to work for me (git 1.7.0.4 on Linux). The * is important as otherwise yo...
How does _gaq.push(['_trackPageLoadTime']) work?
...
1 Answer
1
Active
...
How to get a pixel's x,y coordinate color from an image?
...lData = canvas.getContext('2d').getImageData(event.offsetX, event.offsetY, 1, 1).data;
Because you are only grabbing one pixel, pixelData is a four entry array containing the pixel's R, G, B, and A values. For alpha, anything less than 255 represents some level of transparency with 0 being fully ...