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Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
What is “lifting” in Haskell?
...ill now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take numeric types (Int, Double etc) and you keep having to write code that un...
How do I convert an integer to string as part of a PostgreSQL query?
How do I convert an integer to string as part of a PostgreSQL query?
3 Answers
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Is it possible to reopen a closed branch in Mercurial?
I understand that it is possible to close a named branch in Mercurial, so that it will not appear in the hg branches list:
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How to update maven repository in Eclipse?
Assuming you're already using the m2eclipse plugin , what can you do when it doesn't update the dependencies to the latest in your repo?
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Create a devise user from Ruby console
Any idea on how to create and save a new User object with devise from the ruby console?
5 Answers
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Why #egg=foo when pip-installing from git repo
When I do a "pip install -e ..." to install from a git repo, I have to specify #egg=somename or pip complains. For example:
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How do I simply create a patch from my latest git commit?
I'm looking for the magic command of creating a patch from the last commit made.
5 Answers
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
I want my datetime to be converted to a string that is in format "dd/MM/yyyy"
5 Answers
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Convert NSData to String?
...EVP_PKEY as nsdata. For this I am serializing into a byte stream using the code below
6 Answers
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