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Does a const reference class member prolong the life of a temporary?
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The lifetime extension is not transitive through a function argument. §12.2/5 [class.temporary]:
The second context is when a reference is bound to a temporary. The temporary to which the reference is bound or the temporary that is the complete object to a subobject of which the temporary is ...
Rails: how do I validate that something is a boolean?
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245
Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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Ruby on Rails patterns - decorator vs presenter
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2 Answers
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Get dimension from XML and set text size in runtime
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299
<dimen name="text_medium">18sp</dimen>
Set the size in code:
textView.setTextSi...
How can I add remote repositories in Mercurial?
...d go in the .hg/hgrc file:
[paths]
remote1 = http://path/to/remote1
remote2 = http://path/to/remote2
You can then use commands like hg push remote1 to send changesets to that repo. If you want that remote repo to update is working directory you'd need to put a changegroup hook in place at that r...
CSS: how to position element in lower right?
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2 Answers
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LINQ to SQL - Left Outer Join with multiple join conditions
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245
You need to introduce your join condition before calling DefaultIfEmpty(). I would just use ex...
@ character before a function call
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212
the "@" will silence any php errors your function could raise.
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Where are ${EXECUTABLE_NAME} and ${PRODUCT_NAME} defined
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2 Answers
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Programmatically obtain the Android API level of a device?
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answered Nov 2 '14 at 11:01
Arkadiusz CieślińskiArkadiusz Cieśliński
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