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Intersection of two lists in Bash
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Can't believe I had no knowledge of comm until today. This just made my whole week :)
– Darragh Enright
Aug 19 '14 at 17:49
23
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Replace specific characters within strings
..., "e18947")) )
R> group
group
1 12357e
2 12575e
3 197e18
4 e18947
Now use gsub() with the simplest possible replacement pattern: empty string:
R> group$groupNoE <- gsub("e", "", group$group)
R> group
group groupNoE
1 12357e 12357
2 12575e 12575
3 197e18 19718
4 e18947 ...
Draw line in UIView
...extAddLineToPoint(context, 20.0f, 20.0f); //draw to this point
// and now draw the Path!
CGContextStrokePath(context);
}
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Regex Pattern to Match, Excluding when… / Except between
...match temperature unless italicized"...
Sadly, the technique is not well known: I estimate that in twenty SO questions that could use it, only one has one answer that mentions it—which means maybe one in fifty or sixty answers. See my exchange with Kobi in the comments. The technique is described...
PostgreSQL disable more output
... to use the stream number you'd write
psql db -f sql.sql 1> /dev/null
Now if you want to suppress stderror (stream number 2), you'd use
psql db -f sql.sql 2> /dev/null
You could also redirect one stream to another, for example stderror to stdout, which is useful if you want to save all out...
Can't append element
....com/shareprice/shareprice.js', function() {
Display.sharePrice();
});
Now the external script will be called, and if it cannot be loaded it will gracefully degrade.
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django 1.5 - How to use variables inside static tag
... old question and I'm not sure if this method could be done back then, But now, in Django 2.0 this seems to work fine for me.
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Tablet or Phone - Android
...t want to check whether the device is a tablet or a phone but you want to know about the features of the device,
Most of the time, the difference between a tablet and a phone is the screen size which is why you want to use different layout files. These files are stored in the res/layout-<qualifi...
Sending Arguments To Background Worker?
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I didnt know what IMO meant, I thought it was a C# thing. I googled "C# IMO" and landed here and got the answer...lol quantnet.com/threads/c-c-vba-or-java.11433
– electricalbah
Mar 6 '14 at 7:04...
Latex Remove Spaces Between Items in List
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I would also like to add that the nolistsep option is now deprecated, and that its successor is nosep, which "kills all vertical spacing".
– larsac07
May 15 '16 at 18:48
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