大约有 45,000 项符合查询结果（耗时：0.0383秒） [XML]
Blocks and yields in Ruby
...
Yes, it is a bit puzzling at first.
In Ruby, methods may receive a code block in order to perform arbitrary segments of code.
When a method expects a block, it invokes it by calling the yield function.
This is very handy, fo...
opengl: glFlush() vs. glFinish()
... OpenGL. glFlush ensures that previous OpenGL commands must complete in finite time (OpenGL 2.1 specs, page 245). If you draw directly to the front buffer, this shall ensure that the OpenGL drivers starts drawing without too much delay. You could think of a complex scene that appears object after ob...
What is the etymology of 'slug'? [closed]
Is slug a completely arbitrary word? Or does it stand for something? I used the word in a conversation with someone and when they asked me why it's called that I realized I didn't know.
...
How exactly does __attribute__((constructor)) work?
It seems pretty clear that it is supposed to set things up.
5 Answers
5
...
How to clear an ImageView in Android?
... ImageView s for my displays, but at some point I don't have values to put it.
17 Answers
...
Why are local variables not initialized in Java?
...
Local variables are declared mostly to do some calculation. So its the programmer's decision to set the value of the variable and it should not take a default value. If the programmer, by mistake, did not initialize a local variable and it take default value, then the output could be som...
Is quitting an application frowned upon?
...arious comments to the various answers already given at the time of this writing. I have no intention of changing your mind -- rather, these are here for others who come to read this post in the future.
The point is that I cannot allow for
Android to determine when my app is
going to be terminated....
Jquery - How to make $.post() use contentType=application/json?
... have to
1.Modify the source to make $.post always use JSON data type as it really is just a shortcut for a pre configured $.ajax call
Or
2.Define your own utility function that is a shortcut for the $.ajax configuration you want to use
Or
3.You could overwrite the $.post function with your ...
CSS image resize percentage of itself?
I am trying to resize an img with a percentage of itself. For example, I just want to shrink the image by half by resizing it to 50%. But applying width: 50%; will resize the image to be 50% of the container element (the parent element which maybe the <body> for example).
...
CSS display: inline vs inline-block [duplicate]
...p & bottom
cannot have a width and height set
allow other elements to sit to their left and right.
see very important side notes on this here.
Block elements:
respect all of those
force a line break after the block element
acquires full-width if width not defined
Inline-block elements:
allow...