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How to get key names from JSON using jq
...Manifest-Version" : "1.0", "appname" : "testApp", "build-date" : "02-03-2014-13:41", "version" : "testBox" }
$ jq 'keys' file.json
[
"Archiver-Version",
"Build-Id",
"Build-Jdk",
"Build-Number",
"Build-Tag",
"Built-By",
"Created-By",
"Implementation-Title",
"Implementation-Vendor-I...
Create a custom View by inflating a layout?
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answered Dec 1 '10 at 20:48
chubbsondubschubbsondubs
33.9k2222 gold badges9595 silver badges132132 bronze badges
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Git - What is the difference between push.default “matching” and “simple”
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UpAndAdam
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answered Feb 18 '14 at 21:06
Lalit SachdevaLa...
Differences between ExpandoObject, DynamicObject and dynamic
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4 Answers
4
Active
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multiprocessing.Pool: When to use apply, apply_async or map?
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440
Back in the old days of Python, to call a function with arbitrary arguments, you would use app...
What algorithm does Readability use for extracting text from URLs?
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4 Answers
4
Active
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Using emit vs calling a signal as if it's a regular function in Qt
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14
Do you know if there was ever an implementation (or a planned implementation) of an emit that actually did more than nothing? I find that h...
Get the IP address of the remote host
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Amicable
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answered Mar 5 '12 at 17:40
carlosfigueiracarlosfigueira
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Performance of foreach, array_map with lambda and array_map with static function
... 1M numbers across a dozen attempts:
Foreach: 0.7 sec
Map on closure: 3.4 sec
Map on function name: 1.2 sec.
Supposing the lackluster speed of the map on closure was caused by the closure possibly being evaluated each time, I also tested like this:
function useMapClosure($numbers) {
$closu...