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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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193
For one thing, it's more sensible in terms of inheritance. The fact that Stack extends Vector ...
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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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rai...
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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Correct way to find max in an Array in Swift
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12 Answers
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How do I sort an array of hashes by a value in the hash?
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216
Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! f...
Chrome: timeouts/interval suspended in background tabs?
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91
I recently asked about this and it is behaviour by design. When a tab is inactive, only at a max...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
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To quote from the data.table FAQ 1.11 What is the difference between X[Y] and merge(X, Y)?
X[Y] is a join, looking up X's rows using Y (or Y's key if it has one) as an index.
Y[X] is a join, looking up Y's rows using X (or X's key if it has one)
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How to make an inline-block element fill the remainder of the line?
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169
See: http://jsfiddle.net/qx32C/36/
.lineContainer {
overflow: hidden; /* clear the f...