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C++11 rvalues and move semantics confusion (return statement)
...e same, and neither is cv-qualified (don't return const types). Stay away from returning with the condition (:?) statement as it can inhibit RVO. Don't wrap the local in some other function that returns a reference to the local. Just return my_local;. Multiple return statements are ok and will ...
What is the cleanest way to ssh and run multiple commands in Bash?
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Hmm...how is this different from using input redirection, i.e. ssh blah_server < commands-to-execute-remotely.sh?
– flow2k
Feb 27 '18 at 19:26
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Conditionally use 32/64 bit reference when building in Visual Studio
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The solution works for the default configuration, but not from my testing not if you change the configuration from the configuration from the Visual Studio (2012 in my case) Solution Configuration dropdown list.
– Sarah Weinberger
Jul 22 '13 at...
How can I get the line number which threw exception?
... need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:
try
{
throw new Exception();
}
catch (Exception ex)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(ex, tr...
What does “xmlns” in XML mean?
... that needs to be unique so as to indicate that it is a separate namespace from others and any potential duplicate tags will therefore be interpreted correctly. So the URI will often point to nothing.
– foochow
Jan 27 '14 at 19:52
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Where does the @Transactional annotation belong?
...ree with that. Sometimes it does not matter, but sometimes you can benefit from that e.g. Hibernate session is spanned for the while transaction, so all loaded objects are in 1st-level cache and you don't need to reattach the objects to session again, plus lazily loaded properties function without f...
C# Iterate through Class properties
...ecord, value);
}
Where value is the value you're wanting to write in (so from your resultItems array).
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What's the difference between the Dependency Injection and Service Locator patterns?
...ss is given its dependencies. It neither knows, nor cares where they come from. One important result of this is that the DI example is much easier to unit test -- because you can pass it mock implementations of its dependent objects. You could combine the two -- and inject the service locator (or...
How do I determine whether my calculation of pi is accurate?
...ula is needed.
An additional step is needed to verify the radix conversion from binary to decimal.
I've glossed over some details of why verifying the last few digits implies that all the digits are correct. But it is easy to see this since any computation error will propagate to the last digits.
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How to affect other elements when one element is hovered
...ction to reverse, so that the elements are displayed in the opposite order from the one they're in the DOM. The screenshot above is from such a widget, implemented with pure CSS.
Flexbox is very well supported by 95% of modern browsers.
.rating {
display: flex;
flex-direction: row-revers...