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Case-insensitive search in Rails model
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You'll probably have to be more verbose here
name = "Blue Jeans"
model = Product.where('lower(name) = ?', name.downcase).first
model ||= Product.create(:name => name)
sha...
Get local IP address in node.js
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What is the difference between service, directive and module?
I have been reading a lot of docs, and I'm getting more and more confused.
I basically can't figure out the difference between a
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#
... "The view usually does not call the presenter" ? can you explain more about this sentence ? if ui view is not gonna call the presenter who is going to ?
– Amir Ziarati
Dec 13 '16 at 7:24
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What is Express.js?
...ly used for sessions and caching in Node.js applications. You can do a lot more with it, but that's what I'm using it for. I use MongoDB for more complex relationships, like line-item <-> order <-> user relationships. There are modules (most notably connect-redis) that will work with Exp...
Are (non-void) self-closing tags valid in HTML5?
...including it serves no practical purpose. It is only there to make it look more like XML for people who can't get out of the habit.
– Quentin
Oct 23 '14 at 15:51
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How to install a gem or update RubyGems if it fails with a permissions error
...n the two, I use rbenv, though I used RVM a lot in the past. rbenv takes a more "hands-off" approach to managing your Ruby installation. RVM has a lot of features and is very powerful, but, as a result is more intrusive. In either case, READ the installation documentation for them a couple times bef...
Unit testing void methods?
...er with info
can be tested by verifying if the email is being sent
Post more details about your actual method and people will be able to answer better.
Update: Your method is doing 2 things. I'd actually split it into two methods that can now be independently tested.
string[] ExamineLogFileForX...
Mongoose subdocuments vs nested schema
... well (as long as you don't have that disabled), and presumably uses some more resources for tracking subdocs.
Alternate declaration syntax
New in v3 If you don't need access to the sub-document schema instance, you may also declare sub-docs by simply passing an object literal [...]
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
...ould use a normal cast when you are sure of the type. Besides generating a more sensible exception, it also fails fast. If you're wrong about your assumption about the type, your program will fail immediately and you'll be able to see the cause of failure immediately rather than waiting for a NullRe...
