大约有 47,000 项符合查询结果(耗时:0.0270秒) [XML]

https://stackoverflow.com/ques... 

How to merge lists into a list of tuples?

... @Adrien: cheers for your applicable comment. For Python 2.x, s/zip_longest()/izip_longest(). Renamed in Python 3.x to zip_longest(). – mechanical_meat Jul 10 '11 at 19:13 ...
https://stackoverflow.com/ques... 

Why do people say there is modulo bias when using a random number generator?

...n 0 and RAND_MAX, which is a constant defined in cstdlib (see this article for a general overview on rand()). Now what happens if you want to generate a random number between say 0 and 2? For the sake of explanation, let's say RAND_MAX is 10 and I decide to generate a random number between 0 and 2 ...
https://stackoverflow.com/ques... 

How to calculate the bounding box for a given lat/lng location?

... in the documentation of the suggested CPAN library, this makes sense only for halfSide <= 10km. – Federico A. Ramponi Oct 27 '08 at 3:53 1 ...
https://stackoverflow.com/ques... 

How can I expand the full path of the current file to pass to a command in Vim?

...@HVNSweeting Shell: cd ~ ; vim .vimrc, Vim: :!echo %:h, should display '.' for the relative path. – Annika Backstrom Apr 6 '13 at 1:33  |  sho...
https://stackoverflow.com/ques... 

How can I do an asc and desc sort using underscore.js?

I am currently using underscorejs for sort my json sorting. Now I have asked to do an ascending and descending sorting using underscore.js. I do not see anything regarding the same in the documentation. How can I achieve this? ...
https://stackoverflow.com/ques... 

Why dict.get(key) instead of dict[key]?

... @MustafaS: For example, suppose x = {'a':0}. Then x.get('a', 'foo') returns 0 but x.get('a') or 'foo' returns 'foo'. – unutbu Dec 4 '15 at 22:27 ...
https://stackoverflow.com/ques... 

Check if a JavaScript string is a URL

... Be aware that if you use a string as a parameter for the RegExp you have to double escape the backslashes - otherwise you get errors like invalid group. – Kjell Jun 5 '15 at 16:13 ...
https://stackoverflow.com/ques... 

What is the difference between a mutable and immutable string in C#?

...gh (obviously) the names of the types may differ, as may other details. For the record: String is the standard C# / .Net immutable string type StringBuilder is the standard C# / .Net mutable string type To "effect a change" on a string represented as a C# String, you actually create a new S...
https://stackoverflow.com/ques... 

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...dy has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array-based instead of CoreData. ...
https://stackoverflow.com/ques... 

How do I get my Python program to sleep for 50 milliseconds?

How do I get my Python program to sleep for 50 milliseconds? 6 Answers 6 ...