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Beginners - July 2019 (Page 4)

Hi, I'm not understanding why my recursive function returns False. bool timer(int attack, int calm, int worker){ //2, 3, 9 goes in if (wo...

[6 replies] Last: ...descriptive names...I read that somewhere.... (by Niccolo)

by bsr

openCV C++

Hello, I've just started to learn opencv, so I used code that I found github but I have problem these lines. the program output is undeclared identifier. ...

[8 replies] Last: no read the documentation that corresponds to your version (what I sai... (by ne555)

by kmce

return false, return true

Hi, I was trying to do an exercise but couldn't figure it out so had to find the solution online, the solution though contains a part that is slightly confusing...

[2 replies] Last: Thank you, you helped a lot. For some reason when I was following how ... (by kmce)

by kmce

Not returning to main function, after running a different function

Hi, I have created a rock, paper, scissors game which is an exercise in the book I am going through. It is partially running ok, but im having an issue with the...

[6 replies] Last: in my for loop in the main function i wanted it to only run the same... (by kmce)

by underpressure

Trouble with Class + sorting

Hello, I'm working on an assignment involving reading an input file, sorting the data, and outputting the data all while using topics such as struct, class, ...

[8 replies] Last: It's always good to start a program like this by just reading the inpu... (by dhayden)

by KindEquation

Reading values from 2 text files into array (or vector)

I have two text files: 17204 600 0 0 0 0 0 0 0 16530 600 0 0 0 0 0 0 0 28121 600 0 0 0 0 0 0 0 94199 600 0 885 168 0 0 10 1063 217147 7500 0 10521 1854 0...

[10 replies] Last: Looking at code all day and it was in front of my face! Thank you @dha... (by KindEquation)

by Xanadu4ever

FLTK or not to FLTK... that is the question

Ok various other C++ support personnel, Getting into GUI programming and was advised that there are tons of GUI libraries..... one I have been made aware of ...

[11 replies] Last: Niccolo & everyone who gives a crap (LOL)… Found the answer...… i... (by Xanadu4ever)

by haydenmonster4

Help on project please :)

This is the code I have to debug, and I can't figure out what is wrong with it. // debug_lab7.cpp // Lab 7 original source // debugged by ????????? Your na...

[6 replies] Last: all your other loops are 0-4 (0,1,2,3,4) 5 total items, < 5. one of t... (by jonnin)

by saturnz

Calling a function- primary expression?

I'm working on a simple program that will calculate a total number of days depending on the number of days and weeks the user enters. When I call my function in...

[2 replies] Last: ah, I see. Thanks! (by saturnz)

by bchinfosieeuw

Sort int subvectors from low to high

subsetSortedStringnumbers2 is a 2D vector containing rows of ints. I want to sort the ints in each subvector of subsetSortedStringnumbers2 from low to high. The...

[1 reply] : To sort each "row" of a "table"; #include <iostream> #include <vector... (by keskiverto)

by Horror

Combining two programs into one (1,2)

I'm trying combine these two programs into one, but I'm having trouble doing so. I always keep getting errors whenever I combine them as a void function. If any...

[23 replies] Last: Generally speaking, it's not a good idea to take a source file and jus... (by MikeyBoy)

by jefazo92

Allowing user to open and select file to read using datastreams

Hi everyone, I am trying to code a program which will allow the user to read a .csv (or another text file) but the user must be able to choose the file to be...

[2 replies] Last: I am using Qt and I will be coding a GUI to link the widgets onto the... (by MikeyBoy)

by jefazo92

Reading and storing .csv values using data streams

Hi everyone, I'm trying to code a program which requires opening and reading a .csv file using datastreams and storing the words in a string array. The thing i...

[6 replies] Last: Ok, the OP has signed off that this is done, and the thread is officia... (by Niccolo)

by msulli1355

incompatible types in assignment of ‘Enemy*’ to ‘Enemy* [0]

Yes, I'm back again with the same project I'm always asking questions about. I'm on Linux, and my issue this time is michael@caitlyn current-ourrpg $ make g+...

[19 replies] Last: myEnemy is simply meant as a shortened pointer to the enemies array ... (by Repeater)

by adam2016

sringstream never hitting eof()

Hi guys, I'm following Bjarnes book practices and principles chapter 11 page 400, here we are creating a punct stream which basically parses a sentence to elim...

[2 replies] Last: thanks Ganado that is much more concise believe it or not Bjarne Stou... (by adam2016)

by JohnGreen

Size of char

Hi :) Is is true that char has a different size depending on computer? If yes, could you say, why? (sry for bad eng, i'm not native English)

[2 replies] Last: In the event that you are on some very unique hardware*, you can use C... (by Ganado)

by shekharsa

Programming practices and learning

Hey fellow programmers! I am a beginner in competetive programming.I know basics of programming and a few brute force approaches to solve the problems.Eventuall...

[2 replies] Last: http://acm.cs.buap.mx/downloads/Programming_Challenges.pdf quite old, ... (by ne555)

by PhysicsIsFun

Treatment of NaN

Hi guys, suppose I have a division between double variables somewhere in my code. If this division leads to an overflow, the result will be stored as "NaN",...

[5 replies] Last: I would suggest to use std::isnormal(...) with an assert since all not... (by coder777)

by zarrar12

Need help with AVR 8 Bit timer

Hi guys, I have written a code for led blink and using a 8 bit timer of micro controller to produce a delay of 1.6384 sec. But as I upload the code to ATmega256...

[1 reply] : Have you read this? https://www.microchip.com/wwwAppNotes/AppNotes.asp... (by salem c)

by jonathon378

Help on program to find days in month with leap years

Hello! So I have a code here which determines whether a year is a leap year or not: #include <iostream> using namespace std; bool isLeapYear(int year); in...

[3 replies] Last: Edit: Solved, thanks for help. (by jonathon378)

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