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SQL Joins Vs SQL Subqueries (Performance)?
...or, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...).
As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both ID columns? That will help a lot...) among other things.
The onl...
Where should @Service annotation be kept? Interface or Implementation?
...ose of an interface is that it define a contract that can been implemented by several implementations. On the other side you have your injection point (@Autowired). Having just one interface and only one class that implement it, is (IMHO) useless, and violates YAGNI.
fact: When you put:
@Componen...
When does Java's Thread.sleep throw InterruptedException?
...owing InterruptedException is
not an option, such as when a task defined by Runnable calls an
interruptible method. In this case, you can't rethrow
InterruptedException, but you also do not want to do nothing. When a
blocking method detects interruption and throws InterruptedException,
it ...
When should std::move be used on a function return value? [duplicate]
...bject is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolution to select the constructor for the copy is first performed as
if the object were designated by an rvalue.
return foo; is a case of NRVO, so copy elision is permitted. foo is an lvalue. ...
Is an empty href valid?
...rence to the identified fragment of that document.
RFC 2396 is obsoleted by RFC 3986 (which is currently IETF’s URI standard), which essentially says the same.
HTML5
HTML5 uses (valid URL potentially surrounded by spaces → valid URL) W3C’s URL spec, which has been discontinued. WHATWG’s ...
What does the “__block” keyword mean?
...
It tells the compiler that any variable marked by it must be treated in a special way when it is used inside a block. Normally, variables and their contents that are also used in blocks are copied, thus any modification done to these variables don't show outside the block...
Who is calling the Java Thread interrupt() method if I'm not?
...pt aware" it will notice that it has been interrupted via an exception, or by periodically checking its interrupted flag. On noticing that it has been interrupted, a well-behaved thread would abandon what it is doing and end itself.
Assuming the above use-case, your code is likely to be interrupte...
How do I delete NuGet packages that are not referenced by any project in my solution?
... you look to see where they are used, you can see that they are referenced by none of the solution's projects? They are NOT displaying an Uninstall?
...
What is so special about Generic.xaml?
...he same assembly as the control. The key for the default style is provided by the Control.DefaultStyleKey dependency property, the default value of which is overridden in each sub-class of Control.
The name of the resource dictionary depends on the current Windows theme e.g. on Vista using the Aero...
How to create file execute mode permissions in Git on Windows?
...Git in Windows, and want to push the executable shell script into git repo by one commit.
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