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Is pass-by-value a reasonable default in C++11?
... higher the cost" of the move actually means: "larger" actually means "the more member variables it has". For instance, moving an std::vector with a million elements costs the same as moving one with five elements since only the pointer to the array on the heap is moved, not every object in the vect...
What is the preferred/idiomatic way to insert into a map?
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function.insert(std::map<int, int>::value_type(0, 42));
but much more concise and readable. As other answers have noted, this has several advantages over the other forms:
The operator[] approach requires the mapped type to be assignable, which isn't always the case.
The operator[] approa...
How does OAuth 2 protect against things like replay attacks using the Security Token?
... I could just show up at the bakery and I didn't have to go to the bank anymore. I could even order the donut by phone if I wanted to.
Of course I'd never do that -- that donut was disgusting.
I wonder if this approach has broader applications. He mentioned this was his second approach, I could ca...
How can I convert spaces to tabs in Vim or Linux?
...ow to convert spaces to tabs without finding what I need. There seem to be more questions about how to convert tabs to spaces, but I'm trying to do the opposite.
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How to bind 'touchstart' and 'click' events but not respond to both?
... on this and similar questions all seem hacky. The google solution, while more thoroughly thought through than most, seems like merely a more robust hack. For something as simple as a click handler, it seems like the solution should be simple. Has no one found a non-hack solution for this issue?
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How does Java Garbage Collection work with Circular References?
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Handling a colon in an element ID in a CSS selector [duplicate]
...See mothereffingcssescapes.com/#search_form%3Aexpression and my answer for more information.
– Mathias Bynens
Jul 6 '11 at 5:32
2
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What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
...and Dependency Injection) standard introduced in Java EE 6 (JSR-299), read more. Spring has chosen to support using the @Inject annotation synonymously with their own @Autowired annotation.
So, to answer your question, @Autowired is Spring's own annotation. @Inject is part of a Java technology calle...
Advantages of Binary Search Trees over Hash Tables
...y Search Trees (reference-based) are memory-efficient. They do not reserve more memory than they need to.
For instance, if a hash function has a range R(h) = 0...100, then you need to allocate an array of 100 (pointers-to) elements, even if you are just hashing 20 elements. If you were to use a bin...
Get the current displaying UIViewController on the screen in AppDelegate.m
...out a way to navigate through the controllers hierarchy.
If you give some more details about the way you defined your app, then I might give some more hint.
EDIT:
If you want the topmost view (not view controller), you could check
[[[[UIApplication sharedApplication] keyWindow] subviews] lastObj...