c++ Programming Glossary: fourIn C++, why use static_cast<int>(x) instead of (int)x? http://stackoverflow.com/questions/103512/in-c-why-use-static-castintx-instead-of-intx reinterpret_cast const_cast and dynamic_cast . These four things are completely different. A static_cast is usually safe...
http://stackoverflow.com/questions/1095298/gcc-c-linker-errors-undefined-reference-to-vtable-for-xxx-undefined-refere
How do you reverse a string in place in C or C++? http://stackoverflow.com/questions/198199/how-do-you-reverse-a-string-in-place-in-c-or-c eos while p q switch q 0xF0 4 case 0xF U 010000 U 10FFFF four bytes. SWP q 0 q 3 SWP q 1 q 2 q 3 break case 0xE U 000800 U..
Is there a max array length limit in C++? http://stackoverflow.com/questions/216259/is-there-a-max-array-length-limit-in-c a vector int of a given size n typically takes about four times as much memory as an array of type vector char minus a..
Does a const reference prolong the life of a temporary? http://stackoverflow.com/questions/2784262/does-a-const-reference-prolong-the-life-of-a-temporary n const string member int main Sandbox sandbox string four cout The answer is sandbox.member endl return 0 Give output.. 0 Give output of The answer is Instead of The answer is four c temporary ctor initializer const reference share improve..
Determine if two rectangles overlap each other? http://stackoverflow.com/questions/306316/determine-if-two-rectangles-overlap-each-other Rect A and Rect B. Proof is by contradiction. Any one of four conditions guarantees that NO OVERLAP CAN EXIST. Cond1. If A's..
http://stackoverflow.com/questions/3106110/what-is-move-semantics somehow. Did you notice how I just said x three times four times if you include this sentence and meant the exact same..
Is the sizeof(some pointer) always equal to four? http://stackoverflow.com/questions/399003/is-the-sizeofsome-pointer-always-equal-to-four the sizeof some pointer always equal to four For example sizeof char returns 4. As does int long long everything..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring You'll see the ol矇 text in char is really constructed by four chars 110 108 195 and 169 not counting the trailing zero . I'll..
Why should I avoid multiple inheritance in C++? http://stackoverflow.com/questions/406081/why-should-i-avoid-multiple-inheritance-in-c Engine to work nor from a Wheel. A Car has an Engine and four Wheel. If you use multiple inheritance to resolve this problem..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits int sizeof long int I deduced this from 3.9.1 2 There are four signed integer types 𦨴igned char 𦨴hort int 𦤹nt and 𦧺ong int...
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali large chunks of data. But your code is shifting data in four bytes at a time and incurring all the extra costs each time...
Generating random integer from a range http://stackoverflow.com/questions/5008804/generating-random-integer-from-a-range don't unreasonable quality randomness requirements I have four requirements I need it to be fast. My project needs to generate..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome added NextHouse as a link in the object noted with the four LLLL's in the below diagram h1 h2 v v ttttNNNNNNNNNNLLLL ttttNNNNNNNNNNLLLL..
Why artificially limit your code to C? [closed] http://stackoverflow.com/questions/649789/why-artificially-limit-your-code-to-c the 彜 printf length modifier In total 69 lines of errors four of which are invalid conversions but mostly for features that..
Unicode encoding for string literals in C++11 http://stackoverflow.com/questions/6796157/unicode-encoding-for-string-literals-in-c11 string literal types in C 11. It seems that we now have four sorts of characters and five sorts of string literals. The character..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops this is at least partially caused by data alignment of the four pointers. This will cause some level of cache bank way conflicts...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection it's quiet messy or is my code wrong I'm interested in the four corner points of the paper for skew reduction like that and..
fork() branches more than expected? http://stackoverflow.com/questions/11132868/fork-branches-more-than-expected process is about to exit that the buffered dot appears. Four processes printing a buffered dot plus the new one gives 8 dots...
http://stackoverflow.com/questions/13160132/how-to-replay-a-quickfix-log sequence number you are probably doing something wrong. Four years on the QF mailing lists have taught me this. I've never..
How to return different classes from one function? http://stackoverflow.com/questions/2237775/how-to-return-different-classes-from-one-function comments I've written a little benchmark program . Four approaches are compared boost variant union class hierarchy..
How can I iterate over an enum? http://stackoverflow.com/questions/261963/how-can-i-iterate-over-an-enum case Two intentional fall through case Three .. break case Four .. break default assert Invalid Foo enum value break If you..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom we manage resources the Rule of Three is now The Rule of Four and a half . Why Because not only do we need to be able to copy..
Propagate constness to data pointed by member variables http://stackoverflow.com/questions/4729820/propagate-constness-to-data-pointed-by-member-variables T reference typedef const T const_reference Gang of Four Pimpl _value new T explicit Pimpl const_reference v _value new..
C++: How do I decide if to pass params by ref or by value? http://stackoverflow.com/questions/9442202/c-how-do-i-decide-if-to-pass-params-by-ref-or-by-value solution with an iterative one or expand your stack. Four levels of recursion isn't usually that onerous unless your structures..
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