大约有 47,000 项符合查询结果(耗时:0.0668秒) [XML]

https://stackoverflow.com/ques... 

Which is more efficient, a for-each loop, or an iterator?

...All iterators have as a fundamental requirement that next() should be an O(1) operation, making the loop O(n). To verify that the iterator is used underwater by the new for loop syntax, compare the generated bytecodes from the following two Java snippets. First the for loop: List<Integer> a...
https://stackoverflow.com/ques... 

Where can I learn how to write C code to speed up slow R functions? [closed]

...mple example is this blog post where I show that instead of worrying about 10% differences (in one of the Radford Neal examples) we can get eightyfold increases with C++ (on what is of course a contrived example). Edit 3: There is complexity in that you may run into C++ errors that are, to put it m...
https://stackoverflow.com/ques... 

Command line progress bar in Java

... 15 Answers 15 Active ...
https://stackoverflow.com/ques... 

What is the fastest way to compute sin and cos together?

... 19 Answers 19 Active ...
https://stackoverflow.com/ques... 

Execute a terminal command from a Cocoa app

... 12 Answers 12 Active ...
https://stackoverflow.com/ques... 

Pass complex parameters to [Theory]

... 139 There are many xxxxData attributes in XUnit. Check out for example the PropertyData attribute....
https://stackoverflow.com/ques... 

How to set .net Framework 4.5 version in IIS 7 application pool

I installed the Visual Studio 11 Beta and suddenly all the async action methods I had created under the VS 11 Developer preview started hanging (apparently this issue: http://blogs.msdn.com/b/pfxteam/archive/2012/03/03/10277166.aspx ). ...
https://stackoverflow.com/ques... 

Local (?) variable referenced before assignment [duplicate]

... In order for you to modify test1 while inside a function you will need to do define test1 as a global variable, for example: test1 = 0 def testFunc(): global test1 test1 += 1 testFunc() However, if you only need to read the global variable you ...
https://stackoverflow.com/ques... 

How to log in to phpMyAdmin with WAMP, what is the username and password?

... answered Aug 2 '13 at 8:23 Tepken VannkornTepken Vannkorn 9,2721414 gold badges5555 silver badges8383 bronze badges ...
https://stackoverflow.com/ques... 

Setting the zoom level for a MKMapView

... 15 Answers 15 Active ...