大约有 47,000 项符合查询结果（耗时：0.0832秒） [XML]
CSS performance relative to translateZ(0)
A number of blogs have expressed the performance gain in 'tricking' the GPU to think that an element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner:
...
Adding an arbitrary line to a matplotlib plot in ipython notebook
I'm rather new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following:
...
Checking images for similarity with OpenCV
Does OpenCV support the comparison of two images, returning some value (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different.
...
Use find command but exclude files in two directories
I want to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders.
6 Answers
...
Create space at the beginning of a UITextField
I want to leave a bit of space at the beginning of a UITextField, just like here:
Add lefthand margin to UITextField
21 An...
Too many 'if' statements?
The following code does work how I need it to, but it's ugly, excessive or a number of other things. I've looked at formulas and attempted to write a few solutions, but I end up with a similar amount of statements.
...
How do I get time of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
...
Use images instead of radio buttons
If I have a radio group with buttons:
8 Answers
8
...
[] and {} vs list() and dict(), which is better?
I understand that they are both essentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict?
...
Accessing class variables from a list comprehension in the class definition
How do you access other class variables from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3:
...