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How can I undo git reset --hard HEAD~1?
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18 Answers
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Why should I use Deque over Stack?
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For one thing, it's more sensible in terms of inheritance. The fact that Stack extends Vector ...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
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To understand what mod_rewrite does you first need to understand how a web server works. A web...
GB English, or US English?
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edited Mar 18 '16 at 10:36
answered Oct 1 '08 at 14:15
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What is database pooling?
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+---------+
| |
| Clients |
+---------+ |
| |-+ (1) +------+ (3) +----------+
| Clients | ===#===> | Open | =======> | RealOpen |
| | | +------+ +----------+
+---------+ | ^
| | (2)
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How to remove a field from params[:something]
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Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rai...
Correct way to find max in an Array in Swift
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12 Answers
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Accessing an array out of bounds gives no error, why?
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17 Answers
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Find and restore a deleted file in a Git repository
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3212
Find the last commit that affected the given path. As the file isn't in the HEAD commit, this c...
How do I sort an array of hashes by a value in the hash?
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Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! f...