大约有 6,600 项符合查询结果（耗时：0.0256秒） [XML]
How to get UTC timestamp in Ruby?
...t is one way of representing a point in time, but it also needs additional information to even know that you're dealing with a time and not a number. A Time object solves this problem nicely by representing a point in time and also being explicit about what it is.
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How can I pass command-line arguments to a Perl program?
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Not sure how this is new info, but I decided against a downvote, since you're new.
– Joel Berger
Apr 3 '12 at 4:31
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Accessing @attribute from SimpleXML
...an XML node. You can then var_dump the return value of the function.
More info at php.net
http://php.net/simplexmlelement.attributes
Example code from that page:
$xml = simplexml_load_string($string);
foreach($xml->foo[0]->attributes() as $a => $b) {
echo $a,'="',$b,"\"\n";
}
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Keep-alive header clarification
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Where is this info kept ("this connection is between computer A and server F")?
A TCP connection is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will re...
text-overflow: ellipsis not working
...It uses -webkit-* properties, but is supported in all major browsers. More info can be found here: css-tricks.com/almanac/properties/l/line-clamp
– dkniffin
Apr 14 at 19:38
ad...
Rails 4 LIKE query - ActiveRecord adds quotes
...%"], order => 'name'
end
See the docs on AREL conditions for more info.
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Find number of months between two Dates in Ruby on Rails
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(date2.year * 12 + date2.month) - (date1.year * 12 + date1.month)
more info at http://www.ruby-forum.com/topic/72120
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How do I change my Ruby version using RVM?
...cripts/rvm" # Load RVM function' >> ~/.profile
source ~/.profile
rvm info # And now the fields display
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Check if application is installed - Android
...ackageManager packageManager) {
try {
packageManager.getPackageInfo(packageName, 0);
return true;
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
It attempts to fetch information about the package whose name you passed in. Failing that, if a...
Linux - Install redis-cli only
... @AlinPurcaru docker run --rm --network=host redis redis-cli info
– yihuang
Jul 28 '19 at 10:51
now it i...