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Android hide listview scrollbar?
Is there a way to hide scrollbar in ListView . I know it's possible for ScrollView but can't find a way for ListView scrollbar. Any ideas?
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Rails: create on has_one association
Hi (huge Rails newbie here), I have the following models:
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Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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JavaScript checking for null vs. undefined and difference between == and ===
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Matplotlib Legends not working
Ever since upgrading matplotlib I get the following error whenever trying to create a legend:
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Is there a CSS selector by class prefix?
I want to apply a CSS rule to any element whose one of the classes matches specified prefix.
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Usage of sys.stdout.flush() method
What does sys.stdout.flush() do?
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How do I use vimdiff to resolve a git merge conflict?
I just merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conf...
Linq to Entities join vs groupjoin
I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
I want to reverse the changes from one of my checkins. In the right-click context menu of the particular changelist, there are these two options:
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