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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
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A unique key is a special case of index, acting like a regular index with added checking for uni...
What does “Auto packing the repository for optimum performance” mean?
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Automatic prune with Git fetch or pull
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Since git 1.8.5 (Q4 2013):
"git fetch" (hence "git pull" as well) learned to check "fetch.prune" and "remote.*.prune" configuration variables and to behave as if the "--prune" command line option was given.
That means that, if you se...
Rails find_or_create_by more than one attribute?
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Difference between socket and websocket?
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How to fade to display: inline-block
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answered Jul 7 '09 at 9:53
philnashphilnash
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Nullable ToString()
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answered Mar 15 '10 at 17:17
Tomas VanaTomas Vana
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What's the difference of $host and $http_host in Nginx
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answered Mar 14 '13 at 16:25
glarrainglarrain
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Numbers
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Arr...
How to pass an array into jQuery .data() attribute
...takAlnitak
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