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Providing a default value for an Optional in Swift?
The idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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Select n random rows from SQL Server table
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select top 10 percent * from [yourtable] order by newid()
In response to the "pure trash" comment concerning large tables: you could do it like this to improve performance.
select * from [yourtable] where [yourPk] in
(select top 10 percent [yourPk] from [yourtable] order b...
Why can I not push_back a unique_ptr into a vector?
...must take into account that the address of the local variable becomes invalid at the end of the scope.
– UncleBens
Jul 19 '10 at 18:39
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How can I get a list of build targets in Ant?
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Start service in Android
...where: Before you launch the service, the result of the service intent, inside the service class where it would travel(onCreate, onDestroy, any and all methods).
– Zoe
Apr 10 '17 at 18:41
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Contributing to project on github, how to “rebase my pull request on top of master”
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RuntimeError on windows trying python multiprocessing
...eads in the main module. The threads are handled in a separate module inside a class.
6 Answers
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Java equivalent of C#'s verbatim strings with @
...and $"string{i}" and very futures more than java
– Guido Mocha
May 11 '17 at 7:39
5
Coming from C...
What is the difference between Reader and InputStream?
...d bytes from a stream. So they are useful for binary data such as images, video and serialized objects.
Readers on the other hand are character streams so they are best used to read character data.
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How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?
... is for the Public section of the website and the other is for the Member side.
3 Answers
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