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What does “S3 methods” mean in R?
...t know what the S3 methods and objects are. I found that there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 me...
The project file has been moved renamed or is not on your computer
...
Paul Belanger
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answered Feb 11 '10 at 8:04
Stanley.GoldmanStanley.Goldman
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Array.push() if does not exist?
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114
You could extend the Array prototype with a custom method:
// check if an element exists in arr...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...; }
}
var err = getErrorObject();
var caller_line = err.stack.split("\n")[4];
var index = caller_line.indexOf("at ");
var clean = caller_line.slice(index+2, caller_line.length);
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improve th...
Installing specific package versions with pip
...is here: http://pypi.python.org/pypi/MySQL-python/1.2.2
The download link 404s and the fallback URL links are re-directing infinitely due to sourceforge.net's recent upgrade and PyPI's stale URL.
So to properly install the driver, you can follow these steps:
pip uninstall MySQL_python
pip install...
How to change to an older version of Node.js
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493
One way is to use NVM, the Node Version Manager.
Use following command to get nvm
curl -o- h...
Getting indices of True values in a boolean list
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114
Use enumerate, list.index returns the index of first match found.
>>> t = [False, Fals...
How to implement __iter__(self) for a container object (Python)
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Hymns For Disco
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answered Oct 26 '10 at 1:04
mikerobimikerobi
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How can I recover a removed file in Mercurial (if at all)?
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answered Jul 4 '10 at 10:54
BungleFeetBungleFeet
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How to run eclipse in clean mode? what happens if we do so?
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edited Oct 30 '15 at 13:44
ROMANIA_engineer
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