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How to display unique records from a has_many through relationship?
I'm wondering what is the best way to display unique records from a has_many, through relationship in Rails3.
4 Answers
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Unable to resolve host “”; No address associated with hostname [closed]
...turn out it was the emulator connection problem, lol. It wasting time, but what can I do except laughing lol. Thank you for saving my day
– Komang Sidhi Artha
Apr 8 '19 at 15:06
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JSLint says “missing radix parameter”
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What jshint option does this correspond to? I'm using SublimeLint to run jshint in my editor, and it only takes a hash of option: value pairs for it's setting, so I don't think I can apply your "-W065" suggestion.
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Heroku push rejected, no Cedar-supported app detected
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what's the "Gemfile" ? i have a html game and i want to push it in heroku. and i get the same error
– Alaeddine
Mar 24 '14 at 10:49
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Using awk to remove the Byte-order mark
...s too much (at least, my awk complains about it). Beside this it's exactly what I searched, thanks!
– Boldewyn
Jul 1 '09 at 12:21
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How to cherry pick a range of commits and merge into another branch?
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@aug Strange, I did not reproduce the issue. What is your git version and whayt is the exact error message you see?
– VonC
Jul 14 '16 at 19:36
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How to select different app.config for several build configurations
...egration/unit testing, and it is a library!". And that is true and this is what you can do (pick only one, don't mix):
1. SlowCheetah - transforms current config file
You can install SlowCheetah - a Visual Studio plug-in that does all low level XML poking (or transformation) for you. The way it wo...
When do you use map vs flatMap in RxJava?
...ays to flatten observables and for sake of simplicity lets assume merge is what we want. Merge basically takes a bunch of observables and emits whenever any of them emits. (Lots of people would argue switch would be a better default. But if you're emitting just one value, it doesn't matter anyway.)
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Separation of JUnit classes into special test package?
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While this convention is interesting, what do you do when the test suite grows? E.g. let's say you have 6 methods in the class, each method has 10 tests. Do you have 60 tests in your class? I usually subdivide the test class (one test class per method). The probl...
How do I append text to a file?
What is the easiest way to append text to a file in Linux?
4 Answers
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