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How much is the overhead of smart pointers compared to normal pointers in C++?
...plementation details and CPU architecture for write barriers, atomic locks etc. once listening you will never talk about this feature being cheap. If you just want a proof of the magnitude slower, skip the first 48 minutes and watch him running example code which runs upto 180 times slower (compiled...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...t how natural a solution is, how efficient it is in solving your problems, etc.
– Eelco
Jun 9 '11 at 19:54
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Greedy vs. Reluctant vs. Possessive Quantifiers
...tring to be checked. If that doesn't work, it trims off another character, etc. So a greedy quantifier checks possible matches in order from longest to shortest.
A reluctant quantifier tells the engine to start with the shortest possible piece of the string. If it matches, the engine can continue; i...
How to “warm-up” Entity Framework? When does it get “cold”?
...Entity Framework gets "cold" again? (Recompilation, Recycling, IIS Restart etc.)
Basically, every time you lose your AppDomain. IIS performs restarts every 29 hours, so you can never guarantee that you'll have your instances around. Also after some time without activity the AppDomain is also shut ...
Peak detection in a 2D array
...have 8 or so initial settings for the basic directions (North, North East, etc). Run each one individually and throw away any results where two or more toes end up at the same pixel. I'll think about this some more, but this kind of thing is still being researched in image processing - there are no ...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...re installing SomeLib, you probably know your platform, CMAKE_MODULE_PATH, etc, so @user2288008's excellent answer will have you covered.
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Can a class member function template be virtual?
...to a
normal function call, a virtual function call requires two extra
fetches (one to get the value of the v-pointer, a second to get the
address of the method). None of this runtime activity happens with
non-virtual functions, since the compiler resolves non-virtual
functions exclusively ...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
...ating confirmation dialogs, like for webcams, mics, screenshot capability, etc.
– StanE
May 24 '17 at 17:50
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javac is not recognized as an internal or external command, operable program or batch file [closed]
...very directory in the list, and checks if javac.com, javac.exe, javac.bat, etc. is present. When it finds javac, it runs it. When it does not, it prints 'javac' is not recognized as an internal or external command, operable program or batch file.
You must add the Java executables directory to PATH....
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...m them with all other complications that comes with mutable, cross casting etc.
– Shital Shah
Nov 16 '18 at 11:20
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