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How to undo 'git reset'?
What's the simplest way to undo the
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What is the best way to clear a session variable in rails?
Is this is the best way to destroy a session variable.
1 Answer
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How to get the parents of a merge commit in git?
Some git commands take the parent as a revision; others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent.
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C++ equivalent of Java's toString?
I'd like to control what is written to a stream, i.e. cout , for an object of a custom class. Is that possible in C++? In Java you could override the toString() method for similar purpose.
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Reference list item by index within Django template?
This may be simple, but I looked around and couldn't find an answer. What's the best way to reference a single item in a list from a Django template?
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Android.app Fragments vs. android.support.v4.app using ViewPager?
I have a question regarding the Android Support Libraries, Fragments, and as a specific example, the ViewPager class. My intention is to create an app with similar functionality to the sample provided on the Android Developer website ( http://developer.android.com/training/animation/screen-slide....
Ruby / Rails: convert int to time OR get time from integer?
We can do this:
2 Answers
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CSS Selector “(A or B) and C”?
This should be simple, but I'm having trouble finding the search terms for it.
Let's say I have this:
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Rails filtering array of objects by attribute value
So I perform a query to the db and I have a complete array of objects:
5 Answers
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ADO.NET DataRow - check for column existence
How do I check for the existence of a column in a datarow?
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