Beginners - C++ Forum - May 2015 (Page 7)

What is the best library for databases

Hi, i'm now member here. And i have some questions. 1. What is the best library for databases? i tried MySQL++ is it the best? 2. What is the deference between...

[1 reply] : You really should just ask one question per thread! 1. What is the b... (by andywestken)

by Arslan7041

Examples of Good Uses of goto Statement

From what I've read on this issue, I understand that the goto statement is discouraged for a few reasons: (1) It leads to spaghetti code (2) It makes the pr...

[16 replies] Last: I think this sums up the use of goto quite nicely: http://www.xkcd.co... (by IWishIKnew)

by Powerpuncher

HPEN object declaration

Hey, I had a problem that I fixed, but probably not properly. My problem was, that after a few seconds, the window just stopped redrawing and responding to my...

[2 replies] Last: Thank you very much for clearing all the questionmarks out of my head!... (by Powerpuncher)

by Haloween123

Confusion

Can someone explain how this works? step by step and the flow control of the for loops, I've not learnt much about nested loops, thank you. I usualy like to go...

[3 replies] Last: Face palm (by Haloween123)

by mt106250

converting

Im getting avgRunsPerSize won't convert it to bool error error: could not convert ‘avgRunsPerSize’ to ‘bool’ #include "griddy.h" #include "roo...

[2 replies] Last: Or, if you're trying to use the ranged for loop: for (int runs: ... (by cire)

by stj

Linked list and function

Hi all i can't understand the output of this code node* test(node* &X) { node *t=X; t=t->next; node*k=X->next->next->next; X=k->next; k->next...

[1 reply] : Does this help? node* test( node* & X ) { node* t = X; t = t->nex... (by keskiverto)

by hello1234567890

problem in quiz game

Hi, i have written a quiz game on c++, the problem is that when i apply while loop to all the questions, the program does not pass question 1 and terminates,...

[1 reply] : 1. Nearly every big forum has a "READ BEFORE YOU POST!!!" for a reason... (by R23MJ)

by SoberGrim

what if delete before new?

is it OK to delete a char* before new was called for it? example: void read(char*& text) { delete text; text = new char ; text = "hello"; } int main...

[3 replies] Last: void read(char*& text) { delete text; // deleting arrays needs d... (by andywestken)

by jasperchin

Trouble with .h file

Everything seems to be fine when I write out all the codes, but then when I try to compile, lots of errors concerning the 'string' identifier pops up. I have #i...

[1 reply] : The C++ string class is in the std namespace, so you need to use ... (by MikeyBoy)

by jow123

FIND THE OUTPUT

{ Int i = 10; i=i+5; Cout《i++; }

[3 replies] Last: line 12. (by mutexe)

by mwright98

Vector Program - Help needed!!

I'm in a Programming class in high school and we're learning C++. I have a graded lab that is due and I have little to no clue how to approach it. Any ideas? An...

[2 replies] Last: How stupid is that to hold 3 fields in a single string, i.e. Firt... (by ajh32)

by kennyluah

display sum of odd number between 1 and 10 using a FOR loop

display sum of odd number between 1 and 10 using a FOR loop #include <iostream> using namespace std; int main() { int numbers; for (int number...

[2 replies] Last: hi , i taking programming so our lecturer told us to add using namesp... (by kennyluah)

by jhykima

Core Dump Problem

Hello! I am trying to output the highest score of a particular player. It runs well until it hits the last part of the code when I am trying to isolate the bigg...

[3 replies] Last: Many people don't use using namespace basically because many functions... (by shadowmouse)

by arvust

Comparing string with wildcard characters

Hi, Working on some code that compares strings, currently trying to implement a function that will recognize '_' as a wildcard so that for instance, c_t woul...

[3 replies] Last: Cool! I assume you mean this on line 11 i < pattern.size() (rathe... (by andywestken)

by Bendistocratic

Placement new

I'm wondering where does placement new's storage gets allocated. Is it the stack or the heap? char buffer ; ... int * test = new int ; int * test1 = new (bu...

[6 replies] Last: Thanks! It's clearer now. (by Bendistocratic)

by kimlanghy12

problem about delete linked list

I have a problem with delete a linked list and i'm really thankful if you can help me. In destructor definition , i set first to NULL; but in the main functio...

[4 replies] Last: oh. i've get it. thanks dude. (by kimlanghy12)

by PSYCHAMERON

Serious problem about pointer!

#include <iostream> #include <cstdlib> using namespace std; struct node { int info; node* left; node* right; }; void makeNode(node* r, int x)...

[13 replies] Last: Thanks a lot! I appreciate your help. (by PSYCHAMERON)

by koopey

vector sort with templates problem

can't seem to understand the error message or find the error. the error message i get is: D:\codeblocks\sort with template\main.cpp|10|error: cannot conve...

[6 replies] Last: i got what you said in last post but, one part i ain't clear about wha... (by koopey)

by Extreme112

Out of Range Vector Matrix

I'm trying to create a bool function that returns true only when the number of rows in the matrix == 1 or if there are more that 2 rows, it returns true if each...

[6 replies] Last: Thank you very much. I had tunnel vision and I really thought that th... (by Extreme112)

by Blackhart98

Simplier way to do this?

Could I do this in a easier way. Is the way im doing it stupid. I've been doing this since I begun programming 5 months ago. I don't know if it's wrongg it just...

[1 reply] : The biggest problem with your code are your functions. You should not ... (by BlatantlyX)

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Beginners - May 2015 (Page 7)