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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
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104
I'm still trying to figure this out myself, so take this with some skepticism and forgive me if...
Hexadecimal To Decimal in Shell Script
... perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e 'p "FF".to_i(16)'
255
with node.js:
$ nodejs <<< "console.log(parseInt('FF', 16))"
255
with rhino:
$ rhino<<EOF
prin...
What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...rew Grimm
67.5k4646 gold badges181181 silver badges303303 bronze badges
answered Jan 26 '11 at 10:29
Daniel LucraftDaniel Lucraft
...
How to pass a user defined argument in scrapy spider
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190
Spider arguments are passed in the crawl command using the -a option. For example:
scrapy crawl...
Moving default AVD configuration folder (.android)
...
202
I've found the answer.
Move .android folder to E:\Android
Create environment variable called
...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
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50
The HTTP and MIME specs specify that header lines must end with \r\n, but they aren't clear (som...
What is process.env.PORT in Node.js?
what is process.env.PORT || 3000 used for in Node.js? I saw this somewhere:
4 Answers
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How can I save an image with PIL?
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Abhishek kumar
10366 bronze badges
answered Jan 23 '13 at 3:42
mmgpmmgp
16.9k22 gold badges424...
Ruby class types and case statements
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answered Oct 11 '10 at 17:11
NakilonNakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...+ 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0
)
SELECT pn,
SUBSTRING(@s, start, CASE WHEN stop > 0 THEN stop-start ELSE 512 END) AS s
FROM Pieces
)
share
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