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NSString property: copy or retain?
Let's say I have a class called SomeClass with a string property name:
10 Answers
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Get class that defined method
...ited Jun 20 '14 at 19:44
Aaron Hall♦
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answered Jun 7 '09 at 2:23
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What is a “batch”, and why is GO used?
... SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were input into it up till the "go" need to be sent to the server to be executed.
Why/when do you need it?
GO in MS SQL server has a "count" parameter - so you can u...
Git push rejected after feature branch rebase
...hat remote branch can be fast-forwarded to your local branch, that is that all the difference between local and remote branches is in local having some new commits at the end like that:
Z--X--R <- origin/some-branch (can be fast-forwarded to Y commit)
\
T--Y <...
How to style readonly attribute with CSS?
... selector catches the presence of readonly regardless of the value. Technically false is invalid according to specs, but the internet is not a perfect world. If you need to cover that case, you can do this:
input[type="text"]:read-only:not([read-only="false"]) { color: blue; }
textarea works the ...
What's wrong with using == to compare floats in Java?
...bs(sectionID - currentSectionID) < epsilon)
where epsilon is a very small number like 0.00000001, depending on the desired precision.
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Rails: convert UTC DateTime to another time zone
...e names of the ActiveSupport time zones by doing:
ActiveSupport::TimeZone.all.map(&:name)
# or for just US
ActiveSupport::TimeZone.us_zones.map(&:name)
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How to access the first property of a Javascript object?
...ject.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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Where are iOS simulator screenshots stored?
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For me, there's nothing in that folder. It's all on the Desktop. Not sure why? :/
– chakrit
Feb 9 '12 at 6:21
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Why do some websites add “Slugs” to the end of URLs? [closed]
Many websites, including this one, add what are apparently called slugs - descriptive but as far as I can tell useless bits of text - to the end of URLs.
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