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Ruby/Rails: converting a Date to a UNIX timestamp
How would I get a UNIX timestamp (number of seconds since 1970 GMT) from a Date object in a Rails app?
5 Answers
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How is the AND/OR operator represented as in Regular Expressions?
I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation:
The correct solution for the word would be "part1, part2".
The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer ...
How to find the size of an array in postgresql
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How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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Concatenating two one-dimensional NumPy arrays
I have two simple one-dimensional arrays in NumPy . I should be able to concatenate them using numpy.concatenate . But I get this error for the code below:
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Emulate ggplot2 default color palette
What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors:
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Unable to hide welcome screen in Emacs
I want to hide the welcome screen.
6 Answers
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How to manually deprecate members
Unlike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class?
4 Answers
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Is it possible to use jQuery to read meta tags
...t possible to use jQuery to read meta tags. If so do you know what the basic structure of the code will be, or have links to any tutorials.
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How to append to New Line in Node.js
...t is not going to the next line. \n doesn't seem to be working in my function below. Any suggestions?
3 Answers
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