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How do I get the directory from a file's full path?
...ing a relative name. I hadn't spotted that the path will be absolute. I've now got both versions :)
– Jon Skeet
Mar 23 '09 at 17:57
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What's the fastest way to merge/join data.frames in R?
...version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated s...
Tactics for using PHP in a high-load site
...me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
23 A...
A regular expression to exclude a word/string
...h words, you need a conjuction:
^/(?!ignoreme$)(?!ignoreme2$)[a-z0-9]+$
Now both conditions must be true (neither ignoreme nor ignoreme2 is allowed) to have a match.
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getActionBar() returns null
...ionBar() instead of getActionBar()
* Update:
The class ActionBarActivity now is deprecated:
import android.support.v7.app.ActionBarActivity;
I recommend to use:
import android.support.v7.app.AppCompatActivity
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Split string into an array in Bash
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@l0b0: Thanks. I don't know what I was thinking. I like to use declare -p array for test output, by the way.
– Paused until further notice.
May 14 '12 at 16:33
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What is the default height of UITableViewCell?
...properties in the Inspector window. I do not have my MacBook with me right now so I cannot check. But if you don't get a better answer from someone, that is how you can check for yourself.
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Find out whether radio button is checked with JQuery?
...) alert('is checked');
alert('check-checky-check was changed');
});
Now when you programmatically change the state, you have to trigger this event also:
$('#radio_button').attr("checked", "checked");
$('#radio_button').click();
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Infinity symbol with HTML
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Now this is the first page that comes up when you google the question.
– whitebeard
Jul 23 '15 at 11:25
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Convert string to number and add one
...menter on a second line to be more compact.
– Chris Snowden
Oct 6 '11 at 13:04
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