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Difference between `set`, `setq`, and `setf` in Common Lisp?
...written as
(setf (car x) 42)
For symmetry and generality, SETF also provided the functionality of SETQ. At this point it would have been correct to say that SETQ was a Low-level primitive, and SETF a high-level operation.
Then symbol macros happened. So that symbol macros could work transparentl...
How to express infinity in Ruby?
...bing the properties of Infinity in Ruby (including Infinity derived via dividing by 0): nithinbekal.com/posts/ruby-infinity - should give you an idea whether or not it's safe. (For what it's worth, IMHO messing around with numeric Infinity values is virtually never safe or truly needed regardless of...
Clear back stack using fragments
I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my previous version, when I pressed the Home button I used to do a ACTIVITY_CLEAR_TOP in order to reset the back stack.
...
Practical example where Tuple can be used in .Net 4.0?
... article in MSDN magazine that talks about the belly-aching and design considerations that went into adding Tuple to the BCL. Choosing between a value type and a reference type is particularly interesting.
As the article makes clear, the driving force behind Tuple was so many groups inside of Micr...
What is Model in ModelAndView from Spring MVC?
...r
When the Controller binds the View with this information, then in the said process, you can use The Pointer in the JSP page to access the information stored in The Holder to display that respected information to the client. Here is the visual depiction of the respected process.
return new ModelA...
How do I create a pylintrc file
....pylintrc and then make changes to the resulting .pylintrc file to override the default settings? And if so should it be in my ~/ directory or should I put it in .pylint.d?
...
How to capture a list of specific type with mockito
...
The nested generics-problem can be avoided with the @Captor annotation:
public class Test{
@Mock
private Service service;
@Captor
private ArgumentCaptor<ArrayList<SomeType>> captor;
@Before
public void init(){
Mocki...
How to change MySQL column definition?
...t 20 '09 at 15:19
Daniel RikowskiDaniel Rikowski
64.6k5151 gold badges234234 silver badges316316 bronze badges
...
Visual Studio, Find and replace, regex
... answered Mar 25 at 19:56
David MorrowDavid Morrow
8111 silver badge55 bronze badges
...
Can extension methods be applied to interfaces?
...for a class:
public static class TopologyExtensions
{
public static void CountNodes(this ITopology topology)
{
// ...
}
}
There's nothing particularly different about extension methods as far as interfaces are concerned; an extension method is just a static method that the com...