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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....
Installing PG gem on OS X - failure to build native extension
It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me.
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“unmappable character for encoding” warning in Java
I'm currently working on a Java project that is emitting the following warning when I compile:
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How to store standard error in a variable
Let's say I have a script like the following:
18 Answers
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How to set JAVA_HOME environment variable on Mac OS X 10.9?
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User recognition without cookies or local storage
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Disable soft keyboard on NumberPicker
I'm trying to deactivate the soft keyboard when using a NumberPicker to enter numerical values (for aesthetic reasons). This is my layout-xml-code:
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How to add text at the end of each line in Vim?
In Vim, I have the following text:
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ipython reads wrong python version
I've been having trouble with Python, iPython and the libraries. The following points show the chain of the problematics. I'm running Python 2.7 on Mac Lion.
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Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
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