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Better way to check variable for null or empty string?
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edited Jun 14 '18 at 4:58
Akira Yamamoto
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Why is UICollectionViewCell's outlet nil?
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answered Aug 6 '14 at 17:42
JánosJános
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scp with port number specified
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1464
Unlike ssh, scp uses the uppercase P switch to set the port instead of the lowercase p:
scp ...
AngularJS and its use of Dollar Variables
... @LeeGee It's just convention. stackoverflow.com/a/19289054/114558
– rinogo
Aug 3 '16 at 22:28
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How to trim whitespace from a Bash variable?
...L_SPACE)==${#FOO_NO_EXTERNAL_SPACE}"
# > length(FOO_NO_EXTERNAL_SPACE)==14
Alternatively, if your bash supports it, you can replace echo -e "${FOO}" | sed ... with sed ... <<<${FOO}, like so (for trailing whitespace):
FOO_NO_TRAIL_SPACE="$(sed -e 's/[[:space:]]*$//' <<<${FOO}...
Swift - encode URL
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answered Jul 3 '14 at 11:05
zaphzaph
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How to properly stop the Thread in Java?
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edited Jun 9 '12 at 14:31
answered Jun 9 '12 at 14:21
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Use grep to report back only line numbers
...ls)
– Emil Sierżęga
Aug 27 '13 at 14:39
thanks for lovely old unix adhoc shell scripting. this shows that flexible t...
How to specify HTTP error code?
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edited Oct 14 '14 at 22:05
answered Apr 30 '14 at 17:19
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
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kkishere
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answered Feb 18 '10 at 13:41
BozhoBozho
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