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Case-insensitive search in Rails model
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name = "Blue Jeans"
model = Product.where('lower(name) = ?', name.downcase).first
model ||= Product.create(:name => name)
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Get local IP address in node.js
...d I want to get local IP address of PC on which my program is running. How do I get it with node.js?
38 Answers
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combinations between two lists?
...s exactly what I want, but is it possible to share the logic behind how to do it? If I convert my code to C or Java, I won't have access to zip or itertools(although they make life very very easy)
– user1735075
Oct 17 '12 at 13:39
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How to check the version of GitLab?
...server.
You should be logged in to access the following page:
https://your.domain.name/help
It shows something similar to:
GitLab 6.6.4 42e34ae
GitLab is open source software to collaborate on code.
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etc.
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Should I always return IEnumerable instead of IList?
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@Jon FDG recommend using Collection<T> or ReadOnlyCollection<T> as a return value for collection types see my answer.
– Sam Saffron
Jul 3 '09 at 5:51
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Change the mouse cursor on mouse over to anchor-like style
...e determined to use jQuery for this, then add the following line to your $(document).ready() or body onload: (replace myClass with whatever class all of your divs share)
$('.myClass').css('cursor', 'pointer');
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Need to reset git branch to origin version
...have been on to the version from origin (github). Is there an easy way to do this? I tried deleting the branch and then resetting up the tracking branch, but it just gives me the version I was working on again.
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How to render an ASP.NET MVC view as a string?
...always "inconsistent with the whole routing concept", as it has nothing to do with routing. I'm not sure why an answer that works got a down vote.
– Ben Lesh
Nov 3 '10 at 20:15
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Why should hash functions use a prime number modulus?
...ws.
[As an example, Java's string hashCode is eerily similar to this - it does the characters reverse order, with k=31. So you get striking relationships modulo 31 between strings that end the same way, and striking relationships modulo 2^32 between strings that are the same except near the end. Th...
Is there a way to check if WPF is currently executing in design mode or not?
Does anyone know of some global state variable that is available so that I can check if the code is currently executing in design mode (e.g. in Blend or Visual Studio) or not?
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