General C++ Programming - C++ Forum - December 2019 (Page 6)

by volang

Increase stack size. Why is it bad?

I want a function that creates a char array that can handle 1GB data, because I like idea that a...

[15 replies] Last: I've read/seen some opinions from "experts" that using exception hand... (by Repeater)

by spam291203

Modify a tree to get edge weights less than vertex's values

So, this question goes like this: Given a weighted tree with values assigned to each node, you ar...

[no replies]

by akash16

How to remove xml declaration <?xml version="1.0" encoding="UTF-8" standalone="no" ?>

Hi All, I am using xerces for XML parsing. After parsing in new XML file I am getting below is a...

[5 replies] Last: I want to read data on one of tag in CDATA section. But unable to pars... (by akash16)

by woohyeon

Why need a size_type arg in deallocate function?

In alloctor<T> Class as a member function, there is a deallocate(). void deallocate(_Ty* const _P...

[3 replies] Last: Thank you for answers, guys! you helped me. (by woohyeon)

by calvinfornia

Questions for DP and recursion

Hi, I have a few questions about these two algorithms. Below is my recognition. Recursive is a ki...

[1 reply] : I will circle back on this but right away: recursion can be used in a ... (by jonnin)

by woohyeon

what is the raw memory?

Hello. I'm studying about allocator<T> class and I saw the word "raw memory". What is the meaning ...

[2 replies] Last: // JLBorges Thank you. (by woohyeon)

by volang

Append/concat strings and char arrays

I have a char array(400MB-1GB) and need to have another string(300 chars) appended to the beginning...

[2 replies] Last: Why not keep the 300 bytes where it is? You really shouldn't need to ... (by kbw)

by yucecoder

Getting specific amount of values from the line

As title says, I need to get the specific amount of values from the input file’s line. The amount ...

[6 replies] Last: The code that you posted is not an infinite loop, although it's possi... (by yucecoder)

by nunesanderson

Memory allocation problem

Dear all, I'm studying C++ and now I started implementing a code to solve some numerical methods. I...

[6 replies] Last: Thank you ne555! As I'm a beginner, it would be great to count with y... (by nunesanderson)

by marhuum

function's argument alias for any type

How is the mechanism of a function's argument alias for any type, just like pointer to void function...

[1 reply] : @Ganado gave you a response in the other thread you opened. Why did y... (by doug4)

by spam291203

XOR of permutation of strings

This is a competitive programming question I came across, but couldn't solve. The question gives ...

[2 replies] Last: ^^ you should find a way to directly compute the result (by jonnin)

by volang

How do I store a returned class? (1,2)

auto test(){ class yo { public: int a = 2; }; yo yo1; return yo1; } ...

[23 replies] Last: Peter87 used a C++17 class template - std::optional - that manages a... (by deleted account xyzzy)

by CodingIsHard17

Functions in a STACK header

void DynIntStack::OddOrEvenPrint() { StackNode *currentNode; StackNode *nextNode; int stackOd...

[3 replies] Last: For the reverse print function I have: // implemented reverse print ... (by CodingIsHard17)

by nik000

Non riesco ad acquisire con getche()

#include<iostream> #include<conio.h> #include"C:\Users\Nicolas\Documents\MEGAsync\funz.h"//libreri...

[2 replies] Last: if(y !=0 || y !=1){ This is always true. Sempre vero. y == -1 ? ... (by Ganado)

by julie2019

Cache Friendliness

Rob and Jason are joined by Björn Fahller. They first discuss articles on the C++ ABI and a blog po...

[2 replies] Last: Maybe the person doing the reporting believes topics that only adverti... (by deleted account xyzzy)

by Dee5

Taking inputs (1,2)

Recently I've been helped on making a program which counts numbers found in a string. A little prob...

[21 replies] Last: Thanks for the help. (by Dee5)

by volang

Setup of multithreads

I'm still a little unsure how to set up my threads. I need multithreads because the server receiv...

[4 replies] Last: Thanks all. Jonnin: Big thanks. I'll probably go with the mixed versi... (by volang)

by catsanddogs

I need a hand with a program

Hello, I need to write this program a) The first two numbers indicate the size of the matrix - ro...

[5 replies] Last: I started to go there but that does not make sense, you wouldn't injec... (by jonnin)

by marhuum

a string array being passed to function alias arg

How do we handle a string array being passed to function alias argument. (not simply just argument b...

[1 reply] : What is a function alias argument? Do you mean a reference parameter? ... (by Repeater)

by Ripb123

reading and putting numbers in an array

the code works just fine until it reaches the output of finding the small number then it just stops ...

[no replies]

General C++ Programming - December 2019 (Page 6)

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