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c++ Programming Glossary: stdlib.hSetting ROI with mouse from a rectangle on a video http://stackoverflow.com/questions/10881397/setting-roi-with-mouse-from-a-rectangle-on-a-video Thanks in advance. My full code is as follows #include stdlib.h #include stdio.h #include math.h #include string.h #include.. my camera instead of loading a file. Output Code #include stdlib.h #include stdio.h #include math.h #include string.h #include..
What's the Right Way to use the rand() Function in C++? http://stackoverflow.com/questions/1117292/whats-the-right-way-to-use-the-rand-function-in-c
I want to generate the nth term of the sequence 1,3,8,22,60 ,164 in Order(1) or order of (nlogn) http://stackoverflow.com/questions/11301992/i-want-to-generate-the-nth-term-of-the-sequence-1-3-8-22-60-164-in-order1-or iostream #define big unsigned long long int #include stdlib.h int ans 100000001 0 big m 1000000007 using namespace std int..
How to add two numbers without using ++ or + or another arithmetic operator http://stackoverflow.com/questions/1149929/how-to-add-two-numbers-without-using-or-or-another-arithmetic-operator other operators mostly in terms of addition. #include stdlib.h atoi #include stdio.h f printf #include assert.h assert int..
In C++, How to get MD5 hash of a file? http://stackoverflow.com/questions/1220046/in-c-how-to-get-md5-hash-of-a-file sys mman.h #include fcntl.h #include stdio.h #include stdlib.h #include string.h #include openssl md5.h unsigned char result..
How can I catch a ctrl-c event? (C++) http://stackoverflow.com/questions/1641182/how-can-i-catch-a-ctrl-c-event-c code would now look like this #include signal.h #include stdlib.h #include stdio.h void my_handler int s printf Caught signal..
Swapping two variable value without using 3rd variable http://stackoverflow.com/questions/1826159/swapping-two-variable-value-without-using-3rd-variable for example this quick test program written in C. #include stdlib.h #include math.h #define USE_XOR void xorSwap int x int y if..
http://stackoverflow.com/questions/2132273/what-does-malloc0-return realloc fail and return NULL . #include stdio.h #include stdlib.h int main void void p1 void p2 p1 malloc 0 p2 realloc p1 1024..
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 boost utility binary.hpp #include stdio.h #include stdlib.h #include bitset #include iostream #include iomanip using namespace..
Is there a replacement for unistd.h for Windows (Visual C)? http://stackoverflow.com/questions/341817/is-there-a-replacement-for-unistd-h-for-windows-visual-c on Windows Please add functionality as neeeded #include stdlib.h #include io.h #include getopt.h getopt at https gist.github.com..
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++? http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p the test toy #include stdio.h #include limits.h #include stdlib.h #include stddef.h int count 0 int total 0 void expect const..
Why does C++ require a cast for malloc() but C doesn't? http://stackoverflow.com/questions/3477741/why-does-c-require-a-cast-for-malloc-but-c-doesnt will supress a useful diagnostic if you forget to include stdlib.h or otherwise don't have a declaration for malloc in scope. Remember..
How to redirect qDebug, qWarning, qCritical etc output? http://stackoverflow.com/questions/4954140/how-to-redirect-qdebug-qwarning-qcritical-etc-output example #include qapplication.h #include stdio.h #include stdlib.h void myMessageOutput QtMsgType type const char msg in this function..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process Virtual Memory currently used by current process #include stdlib.h #include stdio.h #include string.h int parseLine char line int.. fclose file return result CPU currently used #include stdlib.h #include stdio.h #include string.h static unsigned long long.. percent CPU currently used by current process #include stdlib.h #include stdio.h #include string.h #include sys times.h #include..
How to generate a stacktrace when my gcc C++ app crashes http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes stdio.h #include execinfo.h #include signal.h #include stdlib.h void handler int sig void array 10 size_t size get void 's for..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle greatly appreciated. My attempt #include stdio.h #include stdlib.h #include math.h #include sys time.h double stoptime void struct..
http://stackoverflow.com/questions/869883/why-is-strncpy-insecure in the else clause is no safer than a strcpy. #include stdlib.h void func char str char buf 1024 size_t len char firstslash..
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