General C++ Programming - C++ Forum - December 2015 (Page 6)

Add an exception about bad_alloc in a vector of vectors

I have a .csv file that i have to read and create a matrix through vector of vectors. I have a problem about adding a try,catch if the matrix is too big to be s...

[3 replies] Last: Did you include the <exception> include file? Perhaps the problem is ... (by jlb)

by Nanyo

Database

Hello everyone! Thanks for the help in advance!!! I need to create a program that gets an input of 10 names(strings) and after inputing each name you also in...

[1 reply] : You really must try this yourself. (by ephraimr)

by vidhya16

Reading a file in segments

Hi Everybody, I wish if somebody could help me in reading a file part by part. I am enclosing a sample file below. Actually my file contains some 7000 lines...

[3 replies] Last: Thank you guys. With your suggestions I tried to write a crude way of ... (by vidhya16)

by taranath

Issue to find the tutorials or links for the sample code

I have been working with video files and my task is Read a video AVI file and Display the video without using OpenCV commands & library. plz help me I'm beginne...

[no replies]

by keyoh

Array of pointers to objects

Hi, I have a bunch of classes and objects, that I constantly have to implement into different functions. I wanted to simplify this and store pointers to the dif...

[3 replies] Last: Don't put something on the heap unless there is a good reason to. It ... (by dhayden)

by Kostaskol

Confused with header including.

Hello. I'm trying to create a program to create a forum of sorts. I've created 3 source files (cpp) and 3 headers. CPPs: Main_part.cpp Functions.cpp Bin_tr...

[2 replies] Last: That was exactly what I needed. Thank you very much. (by Kostaskol)

by AnthonyTiller06

Array Lab

We're going to do an inventory management system. In the real world, this would use a database, not a file. Inventory contains item names (or description),...

[no replies]

by guru23

Recursive function

Hello, I would like to know how the output of this program is 12. I sort of get it, but not quite. Can someone please explain, mathematically, how this is ...

[1 reply] : Print inside the loop to give you an idea of what's going on step by s... (by booradley60)

by The suffocated

Average value

I have a binary tree. It is NOT a binary search tree. I's just a simple binary tree. Each node has an integer value, and 2 links- left and right. What I must ...

[2 replies] Last: Thanks very much (by The suffocated)

by hardwired

Launch txt file from console app..

Hey all, I'm trying to launch a particular txt file from my console app.. So far i have tried: system("Notepad.exe", FULL_TXT_PATH); But pre-compiler its ...

[3 replies] Last: > Would this be the issues? Check it out with: #include <iostream> ... (by JLBorges)

by turtlesavage

Is it ok to use this as a global variable?

HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);

[3 replies] Last: Excellent, thank you. (by turtlesavage)

by hardwired

String declaration issue..

Hey all, I'm trying out my own way to vslidate a filename and i'm having problems from the start. The following line errors and says too many initializations o...

[3 replies] Last: Hey Chevril, yeah i noticed the 10 into 9 thing haha but thanks for th... (by hardwired)

by naji

Box of numerics

< int number1=5; int number2=4; for(int i=1; i<=7; i++) { if(rows <= 1) for(int i=1; i<=7; i++) { cout<< number1; } else if(i...

[1 reply] : Pseudocode: Set outer to the value that should fill the box border... (by cire)

by Golden Lizard

What kind of heap is std::priority_queue?

I want to know the complexities of the std::priority_queue from the STL, so I in order to figure that out, I need to know what kind of heap is. I believe it is ...

[1 reply] : http://stackoverflow.com/a/2974501 (by cire)

by helios

priority_queue efficiency

I'm implementing a path finding algorithm and I'm having a hard time understanding the performance pattern I'm seeing. Currently, I have Dijkstra's using an de...

[9 replies] Last: My priority_queue was using deque, though. I tested both vector and de... (by helios)

by thedankest

Random number guesser

I don't understand my error, I get 2 every time. I coded this in C++ obviously. If someone could please help me that would be great, any help would be great. ...

[4 replies] Last: Have a look at the random class: http://www.cplusplus.com/reference/ra... (by integralfx)

by AnthonyTiller06

object lab

Create a standard deck of 52 playing cards and list those cards on the screen, columns makes my life easier :-) Pause or "press Enter" after the unshuffled dec...

[no replies]

by a10e29

unqiue_prt declartion

Greetings and salutations! I've declared this: std::unique_ptr<std::vector<Piece*>> formations; The idea behind it was that it can hold anything derived f...

[2 replies] Last: I'm laughing at myself. Thank you my friend (by a10e29)

by Zakusa

TerminateProcess ( script not working )

hi i need help with this script below it should terminate a process liek if you type in "ROBLOX"(a game i play) i want it to terminate it so heres the script ...

[7 replies] Last: ya it worked i didnt reply in a long time (by Zakusa)

by hardwired

Logic error on user input?

Hey all, Could anyone please check my code and more than likely, my logic for this please? :) Basically, the user enters a musical note value in the format: A...

[2 replies] Last: Nevermind, i sorted it. I basically moved the last else if statement. ... (by hardwired)

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General C++ Programming - December 2015 (Page 6)