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Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...
MySQL: Selecting multiple fields into multiple variables in a stored procedure
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Python Image Library fails with message “decoder JPEG not available” - PIL
PIL does support JPEG in my system.
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How do I represent a time only value in .NET?
Is there a way one can represent a time only value in .NET without the date? For example, indicating the opening time of a shop?
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How can you program if you're blind?
... is incredibly important.
Update
I'm playing with Emacspeak under cygwin http://emacspeak.sourceforge.net I'm not sure if this will be usable as a programming editor since it appears to be somewhat unresponsive but I haven't looked at any of the configuration options yet.
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Regular expression to match non-ASCII characters?
...uy has written a good library for handling Unicode in Javascript Regexes:
http://blog.stevenlevithan.com/archives/javascript-regex-and-unicode
The Unicode stuff is a plugin to this regex library:
http://xregexp.com/
Here's a post about the Unicode extension:
http://blog.stevenlevithan.com/archi...
iTerm2 keyboard shortcut - split pane navigation
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
I like to be sure that everything will work just by copying the contents of the Java folder and setting the environment variables.
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What is the difference between a pseudo-class and a pseudo-element in CSS?
...c—they’re applied as a result of user interaction with the document. - http://reference.sitepoint.com/css/pseudoclasses. These would be things like :hover, :active, :visited.
Pseudo-elements match virtual elements that don’t exist explicitly in the document tree. Pseudo-elements can be dynami...
How do you specify the date format used when JAXB marshals xsd:dateTime?
... mentioned annotation.
(By eventually adding the xjc namespace: xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc")
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