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Unwanted padding around an ImageView

I need to include a header graphic in all of my activities/views. The file with the header is called header.xml: 8 Answers ...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

...he misses on matice1 are not the problem because they are accessed sequentially. However for matice2 if a full column fits in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2, 0] ... etc, nothing gets evicted) than there is no problem with cache misses with matice2 either. Now to go ...
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Why do we need fibers

...Ruby class in Ruby 1.9. These are incredibly useful. In Ruby 1.9, if you call almost any iterator method on the core classes, without passing a block, it will return an Enumerator. irb(main):001:0> [1,2,3].reverse_each => #<Enumerator: [1, 2, 3]:reverse_each> irb(main):002:0> "abc"....
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How to update attributes without validation

...a.attributes({ ... }).save(false) instead. Or if you don't care (or want) callbacks to be run, checkout update_column. – Joshua Pinter Dec 10 '12 at 2:45 27 ...
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Fragments within Fragments

I'm wondering if this is actually a bug in the Android API: 6 Answers 6 ...
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How to tag an older commit in Git?

...epository, but we've made commits since then. A tag at the beginning would allow us to "roll back" production to a known, stable state. ...
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SQL is null and = null [duplicate]

... 1), (1, 1); select 'x = null' as test , x, y from t where x = null union all select 'x != null', x, y from t where x != null union all select 'not (x = null)', x, y from t where not (x = null) union all select 'x = y', x, y from t where x = y union all select 'not (x = y)', x, y from t where not (...
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Use of 'use utf8;' gives me 'Wide character in print'

...t three bytes make up your character, the last one is the line-feed. The call to print sends these four characters to STDOUT. Your console then works out how to display these characters. If your console is set to use UTF8, then it will interpret those three bytes as your single character and that i...
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Checkout old commit and make it a new commit [duplicate]

... with a large repo it takes awhile to delete all of the files and then check them all back out. I feel like git should have a way to revert to an old revision without having to delete everything. But that's just my opinion, this worked well for me and I didn't see a be...
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The requested operation cannot be performed on a file with a user-mapped section open

...piled in the Debug folder... Strange, isn't it? I found out using a tool called Unlocker. Had to delete with Unlocker, even when it was saying that there was no lock over the file, and I couldn't delete the folder until I didn't delete that single file... After that it compiled. EDIT: I found o...