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Instance variable: self vs @
...le, you might have a MiddleAgedSocialite class that always reports its age 10 years younger than it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash.
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How do I override __getattr__ in Python without breaking the default behavior?
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edited Apr 12 '13 at 14:24
Rod
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Add a dependency in Maven
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You'll have to do this in two steps:
1. Give your JAR a groupId, artifactId and version and ad...
How do I stop Notepad++ from showing autocomplete for all words in the file
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edited Sep 14 '17 at 18:24
ale
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Delete from the current cursor position to a given line number in vi editor
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You could use something like d63G to delete from the current line until line 63.
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how to permit an array with strong parameters
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edited Nov 24 '19 at 19:38
Yarin
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How do I create a URL shortener?
...on f. This is necessary so that you can find a inverse function g('abc') = 123 for your f(123) = 'abc' function. This means:
There must be no x1, x2 (with x1 ≠ x2) that will make f(x1) = f(x2),
and for every y you must be able to find an x so that f(x) = y.
How to convert the ID to a shortened...
UIPopovercontroller dealloc reached while popover is still visible
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edited Jul 8 '15 at 17:38
answered Jan 17 '12 at 14:24
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What does git rev-parse do?
...ed for manipulation.
One common usage of git rev-parse is to print the SHA1 hashes given a revision specifier. In addition, it has various options to format this output such as --short for printing a shorter unique SHA1.
There are other use cases as well (in scripts and other tools built on top of...
Android: how to make an activity return results to the activity which calls it?
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edited May 29 '18 at 21:01
hauron
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