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How much is the overhead of smart pointers compared to normal pointers in C++?

... the iteration is done you'll know you have to erase it. So you could gain extra memory from not using a smart_ptr... But do you really want to do that? A single memory leak could make your product have a point of failure in time (let's say your program leaks 4 megabytes each hour, it would take mon...
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?

... - can ViewModels be created dynamically at runtime? And is there a lot of extra code involved hooking one up? – Rachel Mar 29 '11 at 14:01 ...
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PUT vs. POST in REST

... @Schneider, in this case your server is making an extra effort to guarantee idempotence, but it is not advertising it. Browsers will still warn the user if they try to reload such a POST request. – Tobu Jan 6 '12 at 10:53 ...
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Representing graphs (data structure) in Python

...should be expressed only in terms of existence, or whether they carry some extra information. From Python built-in data types point-of-view, any value contained elsewhere is expressed as a (hidden) reference to the target object. If it is a variable (i.e. named reference), then the name and the ref...
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what exactly is device pixel ratio?

...x image. Bigger image, but it looks better since the display has all those extra pixels. This is the idea behind "Retina Displays". – Jake Wilson Jan 6 '16 at 18:37 ...
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When to use Mockito.verify()?

...on your @Service - it delegates all calls to the @Service (and making some extra error handling). In this case calling to Mockito.verify() is essential, you shouldn't duplicate all of your checks that you did for the @Serive, verifying that you're calling to @Service with correct parammeter list is ...
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How to “warm-up” Entity Framework? When does it get “cold”?

...have stated, use "pre-generated views" that's really all you need to do. Extracted from your link: "When views are generated, they are also validated. From a performance standpoint, the vast majority of the cost of view generation is actually the validation of the views" This means the performanc...
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How do Trigonometric functions work?

... means both asin and acos were evaluated at the same time. There is little extra overhead in evaluating both quantities at the same time. The results show that increasing the number of terms slightly increases execution time as would be expected. Even the smallest number of terms gave around 12-14 ...
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?

...ay, now I see. Usually the file that you "optimize away" serve for loading extra stuff like find_dependency. I think it's a good template to start so I will keep it even it's not used in fact. The rest of the code looks more simplier because you're missing some functionality like version, export for...
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How does database indexing work? [closed]

...iven that creating an index requires additional disk space (277,778 blocks extra from the above example, a ~28% increase), and that too many indices can cause issues arising from the file systems size limits, careful thought must be used to select the correct fields to index. Since indices are only...