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how to add records to has_many :through association in rails

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What is the difference between “def” and “val” to define a function

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PowerShell script to return versions of .NET Framework on a machine?

... Now I'm more confused about what the heck Get-ItemProperty -name Version,Release -EA 0 is doing. I know -EA 0 is the same as -ErrorAction SilentlyContinue, but what effect would Get-ItemProperty -name Version,Release have when piping...
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jQuery: keyPress Backspace won't fire?

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Providing a default value for an Optional in Swift?

...king to the ternary operator as other developers will understand that much more quickly without having to investigate the or method Note: I started a module to add common helpers like this or on Optional to swift. share ...
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Why can I not push_back a unique_ptr into a vector?

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Contributing to project on github, how to “rebase my pull request on top of master”

... into your master, like with a git pull, prior to rebasing onto master, or more simply just rebase onto upstream/master. I.e: git checkout master git pull upstream master git checkout feature git rebase master or git checkout feature git rebase upstream/master Update: After fixing your local...
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What Product Flavor does Android Studio build by default in build.gradle?

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RuntimeError on windows trying python multiprocessing

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How can I make a JPA OneToOne relation lazy

...K, so it has to be eagerly fetched anyway making proxy pointless. Here's a more detailed explanation. many-to-one associations (and one-to-many, obviously) do not suffer from this issue. Owner entity can easily check its own FK (and in case of one-to-many, empty collection proxy is created initially...