大约有 47,000 项符合查询结果（耗时：0.0947秒） [XML]
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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answered Aug 18 '10 at 22:17
zwolzwol
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Scheduling recurring task in Android
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 17 '13 at 11:17
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Get original URL referer with PHP?
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edited May 1 '13 at 15:02
answered Dec 8 '09 at 4:28
Samp...
symbolic link: find all files that link to this file
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132
It depends, if you are trying to find links to a specific file that is called foo.txt, then this...
JVM option -Xss - What does it do exactly?
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274
Each thread in a Java application has its own stack. The stack is used to hold return addresse...
Does Dispose still get called when exception is thrown inside of a using statement?
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112
Yes, using wraps your code in a try/finally block where the finally portion will call Dispose() ...
CSS Selector “(A or B) and C”?
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152
is there a better syntax?
No. CSS' or operator (,) does not permit groupings. It's essentia...
How to detect iPhone 5 (widescreen devices)?
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24 Answers
24
Active
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How do you discover model attributes in Rails?
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278
For Schema related stuff
Model.column_names
Model.columns_hash
Model.column...
Use of 'use utf8;' gives me 'Wide character in print'
...n see from this:
$ perl -E 'say join ":", map { ord } split //, "鸡\n";'
233:184:161:10
The first three bytes make up your character, the last one is the line-feed.
The call to print sends these four characters to STDOUT. Your console then works out how to display these characters. If your cons...