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arrow operator (->) in function heading
...) + std::declval<T2>())
compose(T1 a, T2 b);
except it's getting really verbose now. So the alternate declaration syntax was proposed and implemented and now you can write
template <typename T1, typename T2>
auto compose(T1 a, T2 b) -> decltype(a + b);
and it's less verbose and t...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1").all
(note: not tested, you may need to tweak it)
EDITED to remove id column
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TFS Get Specific Version into separate folder
...eset I had to use the command-line version. The visual interface retrieved all the files. I used this command: ** tfpt getcs /changeset:#### **
– Engineer
Aug 8 '14 at 19:52
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Do I use , , or for SVG files?
...svgprimer.html#SVG_in_HTML
If you use <object> then you get raster fallback for free*:
<object data="your.svg" type="image/svg+xml">
<img src="yourfallback.jpg" />
</object>
*) Well, not quite for free, because some browsers download both resources, see Larry's suggesti...
How do I assert my exception message with JUnit Test annotation?
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I personally wouldn't want to use this since creating fields for the purpose of a small subset of methods is bad practice. Not a criticism of the response, but of JUnit's design. The OP's hypothetical solution would be so much better...
The server principal is not able to access the database under the current security context in SQL Se
...u would after restoring a db). A stock (cursor driven) script to re-sync all accounts is attached:
USE <your database>
GO
-------- Reset SQL user account guids ---------------------
DECLARE @UserName nvarchar(255)
DECLARE orphanuser_cur cursor for
SELECT UserName = su.name
F...
A reference to the dll could not be added
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When would you need to use TLBMP? Normally in VS2015 if you just add the reference to the COM DLL from the references window it takes care of all this for you.
– UuDdLrLrSs
Jun 28 '17 at 18:56
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Hashset vs Treeset
...hy I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functions and buckets (in the case of Java ).
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NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
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Assert is a static class inheriting from System.Object, as all classes do implicitly in C#. System.Object implements the following method:
static bool Equals(object a, object b)
The methods on Assert which are intended for equality comparison are the Assert.AreEqual() methods. There...
Best way to encode text data for XML in Java?
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Very simply: use an XML library. That way it will actually be right instead of requiring detailed knowledge of bits of the XML spec.
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