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Get the value of an instance variable given its name
... is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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include external .js file in node.js app
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edited Oct 1 '14 at 15:20
Flimzy
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VIM ctrlp.vim plugin: how to rescan files?
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answered Dec 29 '11 at 4:05
JeetJeet
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Ruby on Rails patterns - decorator vs presenter
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104
A decorator is more of a "let's add some functionality to this entity". A presenter is more of a...
Skip Git commit hooks
...y-run push.
Only git push --no-verify would skip the hook.
Note: Git 2.14.x/2.15 improves the --no-verify behavior:
See commit 680ee55 (14 Aug 2017) by Kevin Willford (``).
(Merged by Junio C Hamano -- gitster -- in commit c3e034f, 23 Aug 2017)
commit: skip discarding the index if there is...
What's the difference between globals(), locals(), and vars()?
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Ethan FurmanEthan Furman
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Linq Syntax - Selecting multiple columns
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Adam RalphAdam Ralph
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add a comm...
dpi value of default “large”, “medium” and “small” text views android
...e name="TextAppearance.Small">
<item name="android:textSize">14sp</item>
<item name="android:textColor">?textColorSecondary</item>
</style>
TextAppearance.Large means style is inheriting from TextAppearance style, you have to trace it also if you want to se...