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How to avoid “RuntimeError: dictionary changed size during iteration” error?
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How can I remove all objects but one from the workspace in R?
... remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ?
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ruby 1.9: invalid byte sequence in UTF-8
I'm writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites.
When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors....
Android and in TextView
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TextView respects the Unicode no-break space character (\u00A0), which would be a simpler/ligh...
Copy a table from one database to another in Postgres
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Reverse / invert a dictionary mapping
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edited Oct 14 '16 at 16:21
Dave Lasley
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