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How can I get Eclipse to show .* files?

...ew Menu -> Filters -> uncheck .* resources. With Eclipse Kepler and OS X this is a bit different: Package Explorer -> Customize View -> Filters -> uncheck .* resources share | impr...
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How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin

I'm trying to install Rails 3 on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed myself. So far, I've run these commands: ...
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Is volatile expensive?

...volves a load from memory, i.e. the value can not be kept in a register across multiple volatile reads. To ensure that there is an atomic read the value is read from main memory into an MMX register movsd 0x6fb7b2f0(%ebp),%xmm0 making the read operation a single instruction (from the previous exam...
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Ruby: How to get the first character of a string

...ot that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common): puts 'Smith'[0] # prints 83 Of course, if you're not doing it on a regular basis, then defining the method might be overkill, and you could just do it directly: puts last_name[0...
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iPhone/iOS JSON parsing tutorial [closed]

...hing would be nice if it built. Fails for me with 44 errors in Xcode 4 in OS X Lion. – Sarah Vessels Jul 20 '12 at 17:04  |  show 1 more comm...
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Javascript - How to extract filename from a file input control

... vog's answer is really close to the 100% accurate answer to the question (except needs to strip the extension.) A filename is no different from any other string. – Jon Watte May 21 '16 at 19:38 ...
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Get the date (a day before current time) in Bash

... answered Nov 10 '09 at 10:17 ghostdog74ghostdog74 269k4848 gold badges233233 silver badges323323 bronze badges ...
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ImportError: numpy.core.multiarray failed to import

...ommand and find it on your computer. I'm sure you can rm the directory on OSX via terminal, but I did it manually and it solved my issue. – alexfigtree Jan 18 '16 at 21:29 ...
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How do I properly clean up Excel interop objects?

... ... Marshal.ReleaseComObject(sheets); Marshal.ReleaseComObject(sheet); POST MORTEM UPDATE: I want every reader to read this answer by Hans Passant very carefully as it explains the trap I and lots of other developers stumbled into. When I wrote this answer years ago I didn't know about the effec...
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What exactly does the .join() method do?

...t array.array('c', random.sample(string.ascii_letters, 20 - len(strid))) .tostring() + strid share | improve this answer | follow | ...