大约有 40,000 项符合查询结果(耗时:0.0580秒) [XML]

https://stackoverflow.com/ques... 

How can I scale an image in a CSS sprite

...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...
https://stackoverflow.com/ques... 

Numpy: find first index of value fast

...ments it. If you use anaconda python distribution it should already be installed. The code will be compiled so it will be fast. @jit(nopython=True) def find_first(item, vec): """return the index of the first occurence of item in vec""" for i in xrange(len(vec)): if item == vec[i]: ...
https://stackoverflow.com/ques... 

Android OpenGL ES and 2D

...ur canvas with the proper GL flags for 2D (sprite) rendering. You should really take a look at SpriteMethodTest by the same author of replica island: http://code.google.com/p/apps-for-android/source/browse/trunk/SpriteMethodTest See this question where I posted my own code: Using OpenGL to replace ...
https://stackoverflow.com/ques... 

GDB missing in OS X v10.9 (Mavericks)

... I installed via brew, and keep getting "_____: not in executable format: File format not recognized" when I try to load an executable. Can anyone comment on how they got a successful install? – Parker ...
https://stackoverflow.com/ques... 

Append text to input field

...might want to write a function: //Append text to input element function jQ_append(id_of_input, text){ var input_id = '#'+id_of_input; $(input_id).val($(input_id).val() + text); } After you can just call it: jQ_append('my_input_id', 'add this text'); ...
https://stackoverflow.com/ques... 

How to deep copy a list?

... don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies). You use copy.deepcopy(...) for deep copying a list. deepcopy(x, memo=None, _nil=[]) Deep copy operation on arbitrary Python objects. See the following snippet - >>> a = [[1, 2, 3], [4, 5, 6]]...
https://stackoverflow.com/ques... 

BasicHttpBinding vs WsHttpBinding vs WebHttpBinding

...s they travel across the network For an in-depth comparison (including a table and code examples) between the two check out this codeproject article: Differences between BasicHttpBinding and WsHttpBinding share | ...
https://stackoverflow.com/ques... 

Check if a value is within a range of numbers

...u're asking a question about numeric comparisons, so regular expressions really have nothing to do with the issue. You don't need "multiple if" statements to do it, either: if (x >= 0.001 && x <= 0.009) { // something } You could write yourself a "between()" function: function b...
https://stackoverflow.com/ques... 

JavaScript listener, “keypress” doesn't detect backspace?

...s invoked only for character (printable) keys, KeyDown event is raised for all including nonprintable such as Control, Shift, Alt, BackSpace, etc. UPDATE: The keypress event is fired when a key is pressed down and that key normally produces a character value Reference. ...
https://stackoverflow.com/ques... 

What is external linkage and internal linkage?

... a translation unit. This is the source file from your implementation plus all the headers you #included in it. Internal linkage refers to everything only in scope of a translation unit. External linkage refers to things that exist beyond a particular translation unit. In other words, accessible ...