大约有 45,000 项符合查询结果（耗时：0.0660秒） [XML]
RSpec vs Cucumber (RSpec stories) [closed]
When should I use specs for Rails application and when Cucumber (former rspec-stories)? I know how both work and actively use specs, of course. But it still feels weird to use Cucumber. My current view on this, is that it's convenient to use Cucumber when you're implementing application for the clie...
Why are function pointers and data pointers incompatible in C/C++?
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
...
How do I use $scope.$watch and $scope.$apply in AngularJS?
I don't understand how to use $scope.$watch and $scope.$apply . The official documentation isn't helpful.
6 Answers
...
How to use SVN, Branch? Tag? Trunk?
I was googling around a little bit and couldn't find a good "beginners" guide to SVN , not in the meaning of "how do I use the commands" rather; How do I control my source code?
...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
... I can see your point. You hit on what is at the same time both a strength and a problem of Scala: its extensibility. This lets us implement most major functionality in libraries. In some other languages, sequences with something like map or collect would be built in, and nobody has to see all the h...
What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
I am going through some MVVM articles, primarily this and this .
11 Answers
11
...
What does AngularJS do better than jQuery? [closed]
I have mainly been using the jQuery library and have just started using AngularJS. I have read a few tutorials on how to use Angular, but I am not clear on why or when to use it, or what benefits I may find in comparison to just using jQuery.
...
UDP vs TCP, how much faster is it? [closed]
...
UDP is faster than TCP, and the simple reason is because its non-existent acknowledge packet (ACK) that permits a continuous packet stream, instead of TCP that acknowledges a set of packets, calculated by using the TCP window size and round-trip tim...
What Computer Science concepts should I know? [closed]
... etc). You should be able to produce sensible OO designs as well as understanding the concepts.
Scripting and regexes.
Data structures -- lists, sets, hashtables, trees, graphs, and so on -- as well as Big O notation and algorithmic complexity.
Bits, bytes and binary numbers -- how numbers are repre...