大约有 19,000 项符合查询结果（耗时：0.0593秒） [XML]
How to load/edit/run/save text files (.py) into an IPython notebook cell?
...rent to use %run myfile.py as opposed to !python myfile.py. If you do the former it will execute using the ipython kernel, including whatever preloading is configured. A small issue, but I ran into a bug today where it made a difference for me.
– Tristan Reid
...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...93)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> True = 4
>>> True
4
In Python 3.x it truly becomes a keyword and a real constant:
Python 3.1.2 (r312:79147, Jul 19 2010, 21:03:37)
[GCC 4.2.1 (Apple Inc. build 5664)] on darwin
Type "hel...
How to unstage large number of files without deleting the content
...
1010
git reset
If all you want is to undo an overzealous "git add" run:
git reset
Your changes ...
Pick a random element from an array
... |
edited Aug 1 '19 at 16:01
answered Jun 5 '14 at 5:45
Luc...
event Action vs event EventHandler
... parameters, every method that subscribes to will have to be changed to conform to the new pattern. If this is a public facing event that 3rd party assemblies will be using, and there is any possiblity that the event args would change, this would be a reason to use a custom class derived from event ...
Is floating-point math consistent in C#? Can it be?
...JITter is allowed to create code that behaves differently on different platforms(or between different versions of .net). So using normal floats in deterministic .net code is not possible.
The workarounds I considered:
Implement FixedPoint32 in C#. While this is not too hard(I have a half finished...
Convert columns to string in Pandas
... @Sussch I suspect that's because json doesn't have an explicit datetime format, so you're kinda forced to use epoch. Which is to say, I think that's the standard.
– Andy Hayden
Jul 10 '19 at 6:05
...
What does 'require: false' in Gemfile mean?
...ld then save memory in the main app processes and startup time etc. App performance, however, should not be affected even if you require these additional gems in every process.
– Michael van Rooijen
Aug 14 '12 at 23:52
...
What is the difference between Modal and Push segue in Storyboards?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...ns must be used for unsigned arithmetic, but the compiler always has the information to know whether unsigned or signed arithmetic is being done, so it can certainly choose the instructions appropriately.
– caf
Aug 13 '13 at 1:38
...