大约有 42,000 项符合查询结果（耗时：0.0637秒） [XML]
Returning a boolean from a Bash function
...i
}
if isdirectory $1; then echo "is directory"; else echo "nopes"; fi
Edit
From @amichair's comment, these are also possible
isdirectory() {
if [ -d "$1" ]
then
true
else
false
fi
}
isdirectory() {
[ -d "$1" ]
}
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Remove padding or margins from Google Charts
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edited Apr 13 '14 at 2:07
answered Mar 12 '12 at 5:20
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How to extract epoch from LocalDate and LocalDateTime?
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edited Sep 30 '18 at 19:22
answered Apr 10 '14 at 15:36
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JQuery to check for duplicate ids in a DOM
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edited Apr 25 '16 at 21:53
Jess Bowers
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Test or check if sheet exists
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edited Jun 12 '19 at 8:46
darcyq
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Count number of matches of a regex in Javascript
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edited Apr 10 '18 at 20:52
Trevor
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How to deny access to a file in .htaccess
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edited Nov 21 '18 at 21:36
answered Jul 30 '12 at 21:18
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What does “Memory allocated at compile time” really mean?
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edited Jan 28 '14 at 23:39
Daniel Kamil Kozar
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Formula to determine brightness of RGB color
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edited Jun 12 '14 at 9:50
answered Feb 27 '09 at 19:25
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if, elif, else statement issues in Bash
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edited Aug 7 '19 at 5:48
U. Windl
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an...