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Remove an entire column from a data.frame in R
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421
You can set it to NULL.
> Data$genome <- NULL
> head(Data)
chr region
1 chr1 C...
jQuery: find element by text
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441
You can use the :contains selector to get elements based on their content.
Demo here
$('...
How can I add new array elements at the beginning of an array in Javascript?
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2943
Use unshift. It's like push, except it adds elements to the beginning of the array instead of t...
How to read XML using XPath in Java
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400
You need something along the lines of this:
DocumentBuilderFactory factory = DocumentBuilderF...
Cross Browser Flash Detection in Javascript
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94
SWFObject is very reliable. I have used it without trouble for quite a while.
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What is the correct syntax for 'else if'?
I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out.
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Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
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edited Nov 11 '14 at 22:28
Robert Altman
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How to run SQL script in MySQL?
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458
If you’re at the MySQL command line mysql> you have to declare the SQL file as source.
m...
Call an activity method from a fragment
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14 Answers
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How to update column with null value
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edited Oct 6 '10 at 8:42
answered Oct 6 '10 at 8:11
Dan...