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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
I didn't attend PDC 2008, but I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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How do I correctly clean up a Python object?
__del__(self) above fails with an AttributeError exception. I understand Python doesn't guarantee the existence of "global variables" (member data in this context?) when __del__() is invoked. If that is the case and this is the reason for the exception, how do I make sure the object destructs...
How do I set the request timeout for one controller action in an asp.net mvc application
I want to increase the request timeout for a specific controller action in my application. I know I can do it in the web.config for the entire application, but I'd rather change it on just this one action.
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Adding a column to a data.frame
...iques. The quotes below come from the "Details" section of the relevant help text, [[.data.frame.
Data frames can be indexed in several modes. When [ and [[ are used with a single vector index (x[i] or x[[i]]), they index the data frame as if it were a list.
my.dataframe["new.col"] <- a.vec...
Why can't stash be applied to the working directory?
I cannot apply stash back to the working directory.
11 Answers
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Where is shared_ptr?
...am so frustrated right now after several hours trying to find where shared_ptr is located. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...
What does Bump Version stand for?
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answered Nov 15 '10 at 3:29
Ignacio Vazquez-A...
Viewing all `git diffs` with vimdiff
I setup git diff to wrap into vimdiff, using " Git Diff with Vimdiff " as a guide, and it's working as expected unless there are many files with changes.
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How to Convert all strings in List to lower case using LINQ?
I saw a code snippet yesterday in one of the responses here on StackOverflow that intrigued me. It was something like this:
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