大约有 43,100 项符合查询结果（耗时：0.0804秒） [XML]
How do I strip non alphanumeric characters from a string and keep spaces?
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189
Add spaces to the negated character group:
@search_query = @search_query.gsub(/[^0-9a-z ]/i, ...
How to use the “required” attribute with a “radio” input field
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edited May 7 at 10:36
answered Nov 27 '11 at 18:31
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Check if value already exists within list of dictionaries?
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edited Jun 20 at 19:15
Aditya Shaw
3111 silver badge66 bronze badges
answered Oct 9 '10 at 19:1...
Is there a Google Keep API? [closed]
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142
No there isn't. If you watch the http traffic and dump the page source you can see that there ...
instantiate a class from a variable in PHP?
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216
Put the classname into a variable first:
$classname=$var.'Class';
$bar=new $classname("xyz");...
How do I vertically align something inside a span tag?
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answered Apr 9 '09 at 2:10
Sindre SorhusSindre Sorhus
62.6k3030 gold badges151151 silver badges207207 bronze badges
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How do I make a column unique and index it in a Ruby on Rails migration?
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edited Jun 8 at 21:00
answered Sep 19 '09 at 20:39
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
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132
Looking at current hacky solutions in here, I feel I have to describe a proper solution after ...
How should I copy Strings in Java?
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141
Since strings are immutable, both versions are safe. The latter, however, is less efficient (i...