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Boolean literals in PowerShell
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174
$true and $false.
Those are constants, though. There are no language-level literals for boolean...
Generate a UUID on iOS from Swift
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Try this one:
let uuid = NSUUID().uuidString
print(uuid)
Swift 3/4/5
let uuid = UUID().uuidString
print(uuid)
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How to rollback just one step using rake db:migrate
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edited Jul 22 '14 at 15:58
answered Dec 4 '10 at 9:43
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UITextField - capture return button event
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edited Jul 24 '14 at 17:04
Fattie
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Apply pandas function to column to create multiple new columns?
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0 0.772692 1.772692 -0.227308
1 0.857210 1.857210 -0.142790
2 0.065639 1.065639 -0.934361
3 0.819160 1.819160 -0.180840
4 0.088212 1.088212 -0.911788
EDIT:
Please be aware of the huge memory consumption and low speed: https://ys-l.github.io/posts/2015/08/28/how-not-to-us...
Possible heap pollution via varargs parameter
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Ben SchulzBen Schulz
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How to know the size of the string in bytes?
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answered Jan 3 '12 at 4:09
diyadiya
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phpinfo() - is there an easy way for seeing it?
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edited Jan 14 '19 at 15:18
answered Aug 25 '11 at 12:34
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Nested JSON objects - do I have to use arrays for everything?
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204
You don't need to use arrays.
JSON values can be arrays, objects, or primitives (numbers or str...