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What is the difference between IEqualityComparer and IEquatable?
...ted) IEqualityComparer<T> is an interface for an object (which is usually a lightweight class different from T) that provides comparison functions that operates on T
– rwong
Feb 22 at 16:40
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Creating my own Iterators
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/EDIT: I see, an own iterator is actually necessary here (I misread the question first). Still, I'm letting the code below stand because it can be useful in similar circumstances.
Is an own iterator actually necessary here? Perhaps it's sufficient to forward ...
Getting URL hash location, and using it in jQuery
...te that this property already contains the # symbol at the beginning.
Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM.
In case you want to get the hash from an URL string, you can use the String.substring method:...
How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
Is there any way to use a numeric type as an object key?
...in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
... Smyrnow who noted this in the comments)
Original answer:
You can, especially if the HttpContextBase instance you've been handed is of type HttpContextWrapper at run-time. The following example illustrates how you can do this. It supposes you have a method called Foo that accepts context as HttpCo...
How to create json by JavaScript for loop?
...x (like what you would have in an actual .json file), I know that syntactically this is different. So, would you refer to just the array of objects as JSON, as well?
– VoidKing
Oct 15 '13 at 21:27
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Convert List to List
...iterate over the list and cast the elements. This can be done using ConvertAll:
List<A> listOfA = new List<C>().ConvertAll(x => (A)x);
You could also use Linq:
List<A> listOfA = new List<C>().Cast<A>().ToList();
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How to retrieve a module's path?
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import a_module
print(a_module.__file__)
Will actually give you the path to the .pyc file that was loaded, at least on Mac OS X. So I guess you can do:
import os
path = os.path.abspath(a_module.__file__)
You can also try:
path = os.path.dirname(a_module.__file__)
To ge...
Can I get a patch-compatible output from git-diff?
... -p option):
git diff --no-prefix [<other git-diff arguments>]
Usually though, it is easier to use straight git diff and then use the output to feed to git apply.
Most of the time I try to avoid using textual patches. Usually one or more of temporary commits combined with rebase, git stash...