c++ Programming Glossary: num

http://stackoverflow.com/questions/1012571/stdstring-to-float-or-double

to convert std string to float double. I tried std string num 0.6 double temp double atof num.c_str But it always returns.. double. I tried std string num 0.6 double temp double atof num.c_str But it always returns zero. Any other ways c share.. other ways c share improve this question std string num 0.6 double temp atof num.c_str Does it for me it is a valid..

Easy way to use variables of enum types as string in C?

http://stackoverflow.com/questions/147267/easy-way-to-use-variables-of-enum-types-as-string-in-c

way to use variables of enum types as string in C Here's what I am trying to do typedef.. as string in C Here's what I am trying to do typedef enum ONE TWO THREE Numbers I am trying to write a function that would.. that would do a switch case similar to the following char num_str 10 int process_numbers_str Numbers num switch num case ONE..

How to pass parameters correctly?

http://stackoverflow.com/questions/15600499/how-to-pass-parameters-correctly

has all its members primitive types CreditCard std string number int expMonth int expYear int pin number number expMonth expMonth.. std string number int expMonth int expYear int pin number number expMonth expMonth expYear expYear pin pin A class.. std string number int expMonth int expYear int pin number number expMonth expMonth expYear expYear pin pin A class that has..

What is this weird colon-member syntax in the constructor?

http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor

#include iostream class Foo public int bar Foo int num bar num int main void std cout Foo 42 .bar std endl return 0.. #include iostream class Foo public int bar Foo int num bar num int main void std cout Foo 42 .bar std endl return 0 What does.. Foo 42 .bar std endl return 0 What does this strange bar num mean It somehow seems to initialize the member variable but..

Calculate the factorial of an arbitrarily large number, showing all the digits

http://stackoverflow.com/questions/1966077/calculate-the-factorial-of-an-arbitrarily-large-number-showing-all-the-digits

the factorial of an arbitrarily large number showing all the digits I was recently asked in an interview.. method to calculate the factorial of any arbitrarily large number a method in which we obtain all the digits of the answer... possible is by taking an array of int and then multiplying numbers as you do with pen on paper Here is the code I wrote some..

Why does C++ support memberwise assignment of arrays within structs, but not generally?

http://stackoverflow.com/questions/3437110/why-does-c-support-memberwise-assignment-of-arrays-within-structs-but-not-gen

is not supported such that the following will not work int num1 3 1 2 3 int num2 3 num2 num1 error invalid array assignment.. such that the following will not work int num1 3 1 2 3 int num2 3 num2 num1 error invalid array assignment I just accepted.. the following will not work int num1 3 1 2 3 int num2 3 num2 num1 error invalid array assignment I just accepted this as..

how to achieve 4 FLOPs per cycle

http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle

int main int argc char argv if argc 2 printf usage s num n argv 0 printf number of operations num millions n exit EXIT_FAILURE.. char argv if argc 2 printf usage s num n argv 0 printf number of operations num millions n exit EXIT_FAILURE int n atoi.. 2 printf usage s num n argv 0 printf number of operations num millions n exit EXIT_FAILURE int n atoi argv 1 1000000 if n..

Compile a DLL in C/C++, then call it from another program

http://stackoverflow.com/questions/847396/compile-a-dll-in-c-c-then-call-it-from-another-program

Make a DLL which exports some functions like int add2 int num return num 2 int mult int num1 int num2 int product product.. which exports some functions like int add2 int num return num 2 int mult int num1 int num2 int product product num1 num2 return.. functions like int add2 int num return num 2 int mult int num1 int num2 int product product num1 num2 return product I'm compiling..

Generating a sequence using prime numbers 2, 3, and 5 only, and then displaying an nth term (C++)

http://stackoverflow.com/questions/14493373/generating-a-sequence-using-prime-numbers-2-3-and-5-only-and-then-displaying

std int IsPrime int var int CheckifPrimeGreaterThaFive int Num int GetFactors int Num int i 0 j 0 for i 2 j 0 i Num i if Num.. int CheckifPrimeGreaterThaFive int Num int GetFactors int Num int i 0 j 0 for i 2 j 0 i Num i if Num i 0 if 1 CheckifPrimeGreaterThaFive.. int Num int GetFactors int Num int i 0 j 0 for i 2 j 0 i Num i if Num i 0 if 1 CheckifPrimeGreaterThaFive i return 1..

Explain Type Classes in Haskell

http://stackoverflow.com/questions/2685626/explain-type-classes-in-haskell

interface but it is not itself a type . So the typeclass Num describes numeric types with addition subtraction and multiplication.. operators. The Integer type is an instance of Num meaning that Integer is a member of the set of types that implement.. So I can write a summation function with this type sum Num a a a The bit to to the left of the operator says that sum will..

Brute-force, single-threaded prime factorization

http://stackoverflow.com/questions/3918968/brute-force-single-threaded-prime-factorization

vector void GetFactors ULongVector factors ulong num Num has to be at least 2 to contain prime factors if num 2 return.. 2 to contain prime factors if num 2 return ulong workingNum num ulong nextOffset 2 Will be used to skip multiples of 3 later.. multiples of 3 later Factor out factors of 2 while workingNum 2 0 factors.push_back 2 workingNum 2 Factor out factors of 3..

Why is a POD in a struct zero-initialized by an implicit constructor when creating an object in the heap or a temporary object in the stack?

http://stackoverflow.com/questions/4932781/why-is-a-pod-in-a-struct-zero-initialized-by-an-implicit-constructor-when-creati

struct Container int n int main Container c std cout STACK Num c.n std endl Container pc new Container std cout HEAP Num pc.. Num c.n std endl Container pc new Container std cout HEAP Num pc n std endl delete pc Container tc Container std cout TEMP.. n std endl delete pc Container tc Container std cout TEMP Num tc.n std endl I get this output STACK Num 1079504552 HEAP Num..

Converting YUV into BGR or RGB in OpenCV

http://stackoverflow.com/questions/7954416/converting-yuv-into-bgr-or-rgb-in-opencv

BYTE pData videoFrame GetBytes void pData m_nFrames printf Num Frames executed d n m_nFrames for int i 0 i 1280 720 3 i i 3..

Incompatible types - is it because an array is already a pointer?

http://stackoverflow.com/questions/13041497/incompatible-types-is-it-because-an-array-is-already-a-pointer

#include iostream #include vector #include sstream #define NUM 4 using namespace std struct books float price string name int.. struct books float price string name int rating book_arr NUM int main books ptr NUM ptr book_arr NUM string str for int i.. string name int rating book_arr NUM int main books ptr NUM ptr book_arr NUM string str for int i 0 i NUM i cout Enter book..

Representing big numbers in source code for readability?

http://stackoverflow.com/questions/14220217/representing-big-numbers-in-source-code-for-readability

on both MSVC and GCC. No reliance on Boost... #define NUM ... NUM_ __VA_ARGS__ #define NUM_ ... NUM_MSVCHACK __VA_ARGS__.. both MSVC and GCC. No reliance on Boost... #define NUM ... NUM_ __VA_ARGS__ #define NUM_ ... NUM_MSVCHACK __VA_ARGS__ #define.. on Boost... #define NUM ... NUM_ __VA_ARGS__ #define NUM_ ... NUM_MSVCHACK __VA_ARGS__ #define NUM_MSVCHACK numlist_..

Advantages of Antlr (versus say, lex/yacc/bison) [closed]

http://stackoverflow.com/questions/212900/advantages-of-antlr-versus-say-lex-yacc-bison

operators expr expr ' ' expr expr ' ' expr ' ' expr ' ' NUM ANTLR is entirely incapable of handling this grammar as is...

Coroutine demo source

http://stackoverflow.com/questions/3330838/coroutine-demo-source

coroutine enum SCALElog 15 SCALE 1 SCALElog enum NUM 4 sTOP 0x01000000U Thres 0xFF000000U uint f_decode 0 encode.. range 1 lowc FFNum Cache 0 if f_decode for int _ 0 _ NUM 0 _ code 8 get 1 struct Model Rangecoder_SH1x uint DECODE f_quit.. 1 struct Model Rangecoder_SH1x uint DECODE f_quit enum lCNUM 8 CNUM 1 lCNUM ROWSIZE 80 uint count 2 CNUM enum inpbufsize..

Is div function useful (stdlib.h)?

http://stackoverflow.com/questions/6718217/is-div-function-useful-stdlib-h

in GNU libc Return the `div_t' representation of NUMER over DENOM. div_t div numer denom int numer denom div_t result.. result.rem numer denom The ANSI standard says that QUOT NUMER DENOM where NUMER DENOM is to be computed in infinite precision... denom The ANSI standard says that QUOT NUMER DENOM where NUMER DENOM is to be computed in infinite precision. In other words..