大约有 40,000 项符合查询结果(耗时:0.0456秒) [XML]

https://stackoverflow.com/ques... 

Dynamically updating plot in matplotlib

...out the more modern animation examples in the matplotlib documentation. Finally, the animation API defines a function FuncAnimation which animates a function in time. This function could just be the function you use to acquire your data. Each method basically sets the data property of the object be...
https://stackoverflow.com/ques... 

How do you get the logical xor of two variables in Python?

...e not comparing apples to oranges, is "if xor( isApple(x), isApple(y) )" really clearer than "if isApple(x) != isApple(y)" ? Not to me! – AmigoNico May 21 '12 at 18:27 109 ...
https://stackoverflow.com/ques... 

Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
https://stackoverflow.com/ques... 

How to build for armv6 and armv7 architectures with iOS 5

... had to make some modifications so it would work correctly under iOS5, but all those changes were done with iOS4-friendly code changes. We also added some iOS5-specific capabilities in a manner that allows the app to run without crashing under iOS4. Specifically, we tested for iOS5 capabilities bef...
https://stackoverflow.com/ques... 

ORA-12514 TNS:listener does not currently know of service requested in connect descriptor

We have an application running locally where we're experiencing the following error: 25 Answers ...
https://stackoverflow.com/ques... 

$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
https://stackoverflow.com/ques... 

How do I design a class in Python?

I've had some really awesome help on my previous questions for detecting paws and toes within a paw , but all these solutions only work for one measurement at a time. ...
https://stackoverflow.com/ques... 

Perl flags -pe, -pi, -p, -w, -d, -i, -t?

...eem to be mostly made up of punctuation :-) The command line switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun) Going into the options briefly, one-by-one: -p: Places a printing loop around your command so that it acts on each line of standard ...
https://stackoverflow.com/ques... 

Google Maps API v3: How to remove all markers?

In Google Maps API v2, if I wanted to remove all the map markers, I could simply do: 31 Answers ...
https://stackoverflow.com/ques... 

How to efficiently compare two unordered lists (not sets) in Python?

... For short lists, big-O analysis is usually irrelevant because the timings are dominated by constant factors. For the longer lists, I suspect something is wrong with your benchmarking. For 100 ints with 5 repeats each, I get: 127 usec for sorted and 42 for Count...