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Removing an item from a select box
... TylerH
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answered Dec 17 '08 at 18:41
dsimarddsimard
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Count number of rows within each group
...other column
– sop
May 15 '15 at 14:06
1
I'd cbind the results of aggregate(Sepal.Length ~ Specie...
What causes java.lang.IncompatibleClassChangeError?
...t's recommended to increase the major version number (e.g. from 1.x.y to 2.0.0) before releasing the change.
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Are duplicate keys allowed in the definition of binary search trees?
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edited Nov 19 '08 at 5:28
answered Nov 19 '08 at 4:08
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Order a MySQL table by two columns
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answered Feb 5 '09 at 7:51
truppotruppo
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Does PNG contain EXIF data like JPG?
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Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows, however, to emb...
Remove the last character from a string [duplicate]
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You can use substr:
echo substr('a,b,c,d,e,', 0, -1);
# => 'a,b,c,d,e'
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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Define an 's src attribute in CSS [duplicate]
...r image's width*/
height: auto; /*or your image's height*/
margin: 0;
padding: 0;
}
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Ruby on Rails: How can I revert a migration with rake db:migrate?
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edited Feb 11 '19 at 17:02
answered Oct 8 '11 at 6:39
Mah...