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c++ Programming Glossary: efficientHow do malloc() and free() work? http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work small memory elements with the standard malloc free is not efficient. Every memory chunk needs additional data and with smaller sizes..
http://stackoverflow.com/questions/1120140/csv-parser-in-c to try it. Is it overkill bloated or is it fast and efficient Does anyone have faster algorithms using STL or anything else..
Good C++ GUI library for Windows http://stackoverflow.com/questions/115045/good-c-gui-library-for-windows elements while traversing though it's a little less efficient. And they do provide STL style iterators too. It's a valid choice..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices iterator share improve this question The first form is efficient only if vector.size is a fast operation. This is true for vectors.. re inventing the wheel. Your code is likely to be more efficient given the right algorithm is chosen correct and reusable. share..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison for float and double comparison What would be the most efficient way to compare two double or two float values Simply doing this..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c should main return in C and C What is the correct most efficient way to define the main function in C and C int main or void..
What uses are there for “placement new”? http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new times. If you need to keep re allocating it might be more efficient to allocate more than you need even though you don't want to..
Does the size of an int depend on the compiler and/or processor? http://stackoverflow.com/questions/2331751/does-the-size-of-an-int-depend-on-the-compiler-and-or-processor standard. Yet in reality C and C are intended to be efficient . That immediately means that any meaningful implementation..
Can I use a binary literal in C or C++? http://stackoverflow.com/questions/2611764/can-i-use-a-binary-literal-in-c-or-c version of itoa or the more concise yet marginally less efficient std bitset . Thank you Roger for the bitset tip #include boost..
http://stackoverflow.com/questions/3106110/what-is-move-semantics x y is an rvalue so there is no deep copy involved only an efficient move. that is still an independent object from the argument..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom we swap our dumb_array 's but swaps in general can be more efficient it merely swaps pointers and sizes rather than allocating and..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses you initialized it with and they are also potentially more efficient. In the above example the compiler knows exactly which function.. can inline that function call. And that makes it just as efficient as if I had manually called the function on each value of the..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c Edit Martin B points out that it is O n for reasonably efficient algorithms. That is still O n too much if you are concerned..
http://stackoverflow.com/questions/4421706/operator-overloading the postfix variant does more work and is therefore less efficient to use than the prefix variant. This is a good reason to generally.. result. Of course returning a reference is usually more efficient than returning a copy but in the case of operator there is no.. to be taken from this is that a b is in general more efficient than a b and should be preferred if possible. Array Subscription..
Which is the fastest algorithm to find prime numbers? http://stackoverflow.com/questions/453793/which-is-the-fastest-algorithm-to-find-prime-numbers of Atkin is Dan Bernstein's primegen . This sieve is more efficient than the Sieve of Eratosthenes . His page has some benchmark..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order called but the compiler has freedom in selecting the most efficient order. Does the standard indicate the evaluation order of this..
Efficient C++ quaternion multiplication using cv::Mat http://stackoverflow.com/questions/10781033/efficient-c-quaternion-multiplication-using-cvmat C quaternion multiplication using cv Mat I want to multiply..
C++ Memory Efficient Solution for Ax=b Linear Algebra System http://stackoverflow.com/questions/1242190/c-memory-efficient-solution-for-ax-b-linear-algebra-system Memory Efficient Solution for Ax b Linear Algebra System I am using Numeric..
Efficient unsigned-to-signed cast avoiding implementation-defined behavior http://stackoverflow.com/questions/13150449/efficient-unsigned-to-signed-cast-avoiding-implementation-defined-behavior unsigned to signed cast avoiding implementation defined behavior..
Efficient way to determine number of digits in an integer http://stackoverflow.com/questions/1489830/efficient-way-to-determine-number-of-digits-in-an-integer way to determine number of digits in an integer What is a very..
Atomic operations for lock-free doubly linked list http://stackoverflow.com/questions/19609417/atomic-operations-for-lock-free-doubly-linked-list a lock free doubly linked list based on these papers Efficient and Reliable Lock Free Memory Reclamation Based on Reference..
Converting a float to std::string in C++ http://stackoverflow.com/questions/2125880/converting-a-float-to-stdstring-in-c std string s boost lexical_cast std string myFloat Efficient alternatives are e.g. FastFormat or simply the C style functions...
Efficient data transfer from Java to C++ on windows http://stackoverflow.com/questions/266913/efficient-data-transfer-from-java-to-c-on-windows data transfer from Java to C on windows I'm looking to stream..
Efficient way of reading a file into an std::vector<char>? http://stackoverflow.com/questions/4761529/efficient-way-of-reading-a-file-into-an-stdvectorchar way of reading a file into an std vector char I'd like to avoid..
Efficient way to compute p^q (exponentiation), where q is an integer http://stackoverflow.com/questions/5625431/efficient-way-to-compute-pq-exponentiation-where-q-is-an-integer way to compute p^q exponentiation where q is an integer What..
Why was std::pow(double, int) removed from C++11? http://stackoverflow.com/questions/5627030/why-was-stdpowdouble-int-removed-from-c11 std pow double int removed from C 11 While looking into Efficient way to compute p^q exponentiation where q is an integer and..
Efficient string concatenation in C++ http://stackoverflow.com/questions/611263/efficient-string-concatenation-in-c string concatenation in C I heard a few people expressing worries..
Efficient way to find the max number in an array http://stackoverflow.com/questions/6742316/efficient-way-to-find-the-max-number-in-an-array way to find the max number in an array This is an interview..
Efficient way of storing Huffman tree http://stackoverflow.com/questions/759707/efficient-way-of-storing-huffman-tree way of storing Huffman tree I am writing a Huffman encoding..
Efficient Exponentiation For HUGE Numbers (I'm Talking Googols) http://stackoverflow.com/questions/8771713/efficient-exponentiation-for-huge-numbers-im-talking-googols Exponentiation For HUGE Numbers I'm Talking Googols I am in..
Efficient bitwise operations for counting bits or find the right|left most ones http://stackoverflow.com/questions/9093323/efficient-bitwise-operations-for-counting-bits-or-find-the-rightleft-most-ones bitwise operations for counting bits or find the right left..
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