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What are the Ruby Gotchas a newbie should be warned about? [closed]
...s strict: 0, "" and [] are all evaluated to true. In C, the expression 0 ? 1 : 0 evaluates to 0 (i.e. false). In Ruby, however, it yields 1, as all numbers evaluate to true; only nil and false evaluate to false. A corollary to this rule is that Ruby methods by convention — for example, regular-exp...
Getting the first and last day of a month, using a given DateTime object
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How to get the difference between two arrays in JavaScript?
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Tool to read and display Java .class versions
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Use the javap tool that comes with the JDK. The -verbose option will print the version number ...
How can I get the behavior of GNU's readlink -f on a Mac?
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Add single element to array in numpy
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append() creates a new array which can be the old array with the appended element.
I think it...
bundle install fails with SSL certificate verification error
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Now that I've karma wh..err mined enough from this answer everyone should know that thi...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
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