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Trimming a huge (3.5 GB) csv file to read into R
...set into a bigmemory object and do the reduction completely within R. See http://www.bigmemory.org/ for a set of tools to handle this.
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Inline functions vs Preprocessor macros
...expressions passed as arguments to macros can be evaluated more than once.
http://msdn.microsoft.com/en-us/library/bf6bf4cf.aspx
macros are expanded at pre-compile time, you cannot use them for debugging, but you can use inline functions.
-- good article:
http://www.codeguru.com/forum/showpost.php...
Choosing a file in Python with simple Dialog
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Another option to consider is Zenity: http://freecode.com/projects/zenity.
I had a situation where I was developing a Python server application (no GUI component) and hence didn't want to introduce a dependency on any python GUI toolkits, but I wanted some of m...
Why does npm install say I have unmet dependencies?
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I believe it is because the dependency resolution is a bit broken, see https://github.com/npm/npm/issues/1341#issuecomment-20634338
Following are the possible solution :
Manually need to install the top-level modules, containing unmet dependencies:
npm install findup-sync@0.1.2
Re-structure y...
Pretty graphs and charts in Python [closed]
...= 0
d.add(chart)
d.save(fnRoot='test', formats=['png', 'pdf'])
alt text http://i40.tinypic.com/2j677tl.jpg
Note: the image has been converted to jpg by the image host.
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How can I apply a border only inside a table?
...t-child td{border-top:0;}
You can learn about CSS 2.1 Pseudo-classes at:
http://msdn.microsoft.com/en-us/library/cc351024(VS.85).aspx
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ALTER DATABASE failed because a lock could not be placed on database
...m, but here is a link that shows that the problem has occurred elsewhere.
http://www.geakeit.co.uk/2010/12/11/sql-take-offline-fails-alter-database-failed-because-a-lock-could-not-error-5061/
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Equivalent of String.format in jQuery
... implementation by Blair Mitchelmore, with a bunch of nice extra features: https://web.archive.org/web/20120315214858/http://blairmitchelmore.com/javascript/string.format
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Why is Node.js single threaded? [closed]
...request until the request is finished". I.e. in .Net (including processing HTTP requests) one can and should use async (Task based) programming and this will release threads while waiting for I/O and other async operations to complete. This is applicable to high level programming as well, i.e. MVC/A...
Check image width and height before upload with Javascript
...tURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few browsers. Mostly firefox and chrome, could be opera as well by now.
P.S. The URL.createObjectURL() method has been removed from the MediaStr...