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Is returning by rvalue reference more efficient?
... ab, or do RVO to omit doing a move or copy altogether. I recommend you to read BoostCon09 Rvalue References 101 which explains the matter, and how (N)RVO happens to interact with this.
Your case of returning an rvalue reference would be a good idea in other occasions. Imagine you have a getAB() ...
How to destroy an object?
... @gsamaras that's true. You can also have leaks, though, and you should read more on php's GC if you're doing daemons or similar. In the majority of sites the request is so short lived that it doesn't matter. php.net/manual/en/features.gc.refcounting-basics.php
– Frankie
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Objective-C: difference between id and void *
...nally sort as case sensitive or case insensitive, while also still being thread-safe, you would pass the is-case-sensitive indicator in the context, likely casting on the way in and way out.
Fragile and error prone, but the only way.
Blocks solve this -- Blocks are closures for C. They are availa...
Get generated id after insert
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I read on specs. "Returns: the row ID of the newly inserted row, or -1 if an error occurred" the rowId is the same as my generated field "id primary key autoincrement" ?
– Marcos Vasconcelos
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Select multiple columns in data.table by their numeric indices
...nswer to announce the change up top. (And please -- you or anyone else who reads this -- feel free to ping me with a reminder as soon as that happens.)
– Josh O'Brien
Aug 24 '15 at 23:28
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Singletons vs. Application Context in Android?
...aded resources and other such things.
Also for simple applications multithreading doesn't become an issue with singletons, because by design all standard callbacks to the app are dispatched on the main thread of the process so you won't have multi-threading happening unless you introduce it explici...
Disable cache for some images
... @PawelKrakowiak Note that adding headers won't work for images that are already cached, since the browser doesn't even ask the server about them and therefore will never see the headers. They will work for any image requests made after you added them.
– lhunath
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Constructors in Go
...the New... functions. (For the "traditionalist" oops: Someone who does not read the documentation won't be able to use your types properly, even if he cannot create objects in undefined states.)
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How to connect to LocalDB in Visual Studio Server Explorer?
...f trying the answer as I was hoping for something simpler and hadn't fully read it as I thought I had to use the pipe name :)
– RationalDev likes GoFundMonica
Oct 14 '14 at 8:40
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Checking out Git tag leads to “detached HEAD state”
... I was lost the first time I looked over this answer but after I read the Git branching documentation: http://git-scm.com/book/en/Git-Branching-What-a-Branch-Is it was a lot clearer.
– mark stiles
May 30 '13 at 19:50
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