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Is ASCII code 7-bit or 8-bit?

...ld me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code? ...
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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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Unable to execute dex: GC overhead limit exceeded in Eclipse

...can be fixed by changing the VM values in Eclipse.ini. Set the values to 512 and 1024 as below: openFile --launcher.XXMaxPermSize 512M -showsplash org.eclipse.platform --launcher.defaultAction openFile -vmargs -Dosgi.requiredJavaVersion=1.5 -Xms512m -Xmx1024m The changed area in image ...
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How do I reset a sequence in Oracle?

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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....
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Less aggressive compilation with CSS3 calc

The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating 4 Answers ...
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An existing connection was forcibly closed by the remote host

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How to use Checkbox inside Select Option

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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

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How to deal with floating point number precision in JavaScript?

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