大约有 13,913 项符合查询结果(耗时:0.0263秒) [XML]

https://stackoverflow.com/ques... 

How to use the pass statement?

...e pass, the code wouldn't run. You would then get an: IndentationError: expected an indented block To summarize, the pass statement does nothing particular, but it can act as a placeholder, as demonstrated here. share ...
https://stackoverflow.com/ques... 

Is Big O(logn) log base e?

... Once expressed in big-O() notation, both are correct. However, during the derivation of the O() polynomial, in the case of binary search, only log2 is correct. I assume this distinction was the intuitive inspiration for your que...
https://stackoverflow.com/ques... 

Javascript fuzzy search that makes sense

...m or combine/ weight the results from two algorithms. It strikes me that exact or close matches to the "starting prefix" are something Levenshtein-Demerau gives no particular weight to -- but your apparent user expectations would. I searched for "better than Levenshtein" and, among other things, f...
https://stackoverflow.com/ques... 

Is it safe to check floating point values for equality to 0?

... It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator....
https://stackoverflow.com/ques... 

GMSGroundOverlay animating - should I be using a CATiledLayer?

I am experimenting with the Google Maps for iOS SDK latest version 1.2.1.2944 to animate a GMSGroundOverlay . The user has control over the image sequence, so using an animated UIImage isn't a possibility sadly, so i'm loading in the UIImage on the fly. The GMSGroundOverlay.icon is set to the...
https://stackoverflow.com/ques... 

How do I convert a string to a double in Python?

... >>> x = "2342.34" >>> float(x) 2342.3400000000001 There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double). ...
https://stackoverflow.com/ques... 

ItemsControl with horizontal orientation

... To do this in a resource file, you need to set the x:Key key – Tore Aurstad Mar 27 '19 at 11:50  |  show 1 more commen...
https://stackoverflow.com/ques... 

Databinding an enum property to a ComboBox in WPF

As an example take the following code: 13 Answers 13 ...
https://stackoverflow.com/ques... 

Python 3 ImportError: No module named 'ConfigParser'

...lternatives? I tried PyMySQL3-0.5 but its very buggy, it crashes at first execute call. – if __name__ is None Dec 30 '12 at 14:46 15 ...
https://stackoverflow.com/ques... 

is_file or file_exists in PHP

...is_file() will return false if the given path points to a directory. file_exists() will return true if the given path points to a valid file or directory. So it would depend entirely on your needs. If you want to know specifically if it's a file or not, use is_file(). Otherwise, use file_exists(). ...