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How to get the original value of an attribute in Rails
... original value that an ActiveRecord attribute (=the value that was loaded from the database)?
4 Answers
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How to define hash tables in Bash?
What is the equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
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Enforcing the type of the indexed members of a Typescript object?
I would like to store a mapping of string -> string in a Typescript object, and enforce that all of the keys map to strings. For example:
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Vertical (rotated) label in Android
I need 2 ways of showing vertical label in Android:
10 Answers
10
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How to get the parents of a merge commit in git?
... others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent.
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What's the difference between 'git merge' and 'git rebase'?
What's the difference between git merge and git rebase ?
7 Answers
7
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Group a list of objects by an attribute : Java
I need to group a list of objects(Student) using an attribute(Location) of the particular object, the code is like below,
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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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Reference list item by index within Django template?
This may be simple, but I looked around and couldn't find an answer. What's the best way to reference a single item in a list from a Django template?
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git discard all changes and pull from upstream
How do I fetch upstream repo and make it replace master? I only have one branch on my repo, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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