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Beginners - May 2022 (Page 4)

by domweng
How to edit SQL statement with user input
 
Hello, I am currently needing to know for some work I am trying to do whether it is available to take some form of user input and use that in the SQL stateme...
[4 replies] Last: https://xkcd.com/327/ (by mbozzi)
by satsat111
Boolean Evaluation
 
Hello everyone, I'd like to ask where should I add the brackets into the code. The code doesn't seem right when implementing input without brackets. I would a...
[13 replies] Last: Oop! Yes, I misread your code. Dumb ORs and XORs and lotsoflettersXo... (by Duthomhas)
by domweng
Weird things being printed when printing from database
 
Hello, I am currently having this issue where when I am printing items from a database it is printing (null): before every entry. For example... (nul...
[2 replies] Last: Thanks so much, never would of thought it was that simple :) (by domweng)
by CodeChaser
tuples, hardest to get used to so far (1,2)
 
What did you guys think of tuple syntax when you first saw them? Did you wish the syntax was different or have you grown to understand the syntax and love them ...
[25 replies] Last: Tuples are useful if you want to process different structs in a generi... (by kbw)
by jonnin
Help please
 
it looks like the data is touched one time. if you just need the answer for a row, a simple a,b,c is fine.. get one row, generate the output line, get the next...
[6 replies] Last: I am a teacher (though not a cool university-level one for CS). I’d... (by Duthomhas)
by Pen72
Distance in graph
 
Nodes are indexed by positive integers from 1 ton . Each edge is represented by (u,v) connecting node u and node v . Distance of two nodes, say x and y, i...
[9 replies] Last: but do you understand both the code and the underlying algorithm (by seeplus)
by SSDEEZ
binary heap of user classes
 
Hi, I'm trying to print out a binary max heap, that is made up of classes that I've created above but nothing is printing out. I've tried playing with how I...
[12 replies] Last: a single class would be much easier Not really. Not in this case. Y... (by keskiverto)
by Jesseross81
Help Please
 
Write C++ Console Application program that calculates a worker’s net earnings per week. The earnings are calculated based on the following factors: 1) Wor...
[5 replies] Last: Slightly simplified version of the posted code: #include <iostream>... (by seeplus)
by whitegentle1
Create a program that converts the PRICE CODE to PRICE VALUE.
 
Hello, I just wanted to help with my code here's my questions 1. How can I input "computer" in any in any order and case insensitively and still get the correc...
[10 replies] Last: Here's some lessons on using Visual Studio to make transitioning easie... (by deleted account xyzzy)
by Augepauge
returning numbers place in array instead of the number
 
Hello. How can I return the place of a number in the array instead of returning the whole number? Thanks! Code: #include <iostream> #include <iomanip> #incl...
[3 replies] Last: Loop through your array, to find the wanted value. When found the loop... (by deleted account xyzzy)
by lucas26
Text.txt file seperation into 2 seperate text.txt files with chars involved
 
Hey guyss. Good evening. I was trying to write the code as best I could but It didnt work out. A AV1538 A AV9981 K KA8136 A AV4687 K KA9882 K KA2136 A AV5136 ...
[12 replies] Last: Why do you need the initial character in each input line? I suspect ... (by deleted account xyzzy)
by lucas26
Kinda stuck on this one.
 
Hey guys good evening. Im doing a exercise in which I have to use voids{} to remove certain numbers and add new ones from a list. The numbers have to be rea...
[2 replies] Last: This has already been asked and answered here http://www.cplusplus.com... (by seeplus)
by Nick72c
Help with Sending an Object of Class A to a Method of Class B?
 
I regularly send an object of class X to an external function by reference without problem. Now that I'm trying to send an object of class A (or in this case a...
[10 replies] Last: A good read: https://herbsutter.com/2013/08/19/gotw-7a-solution-minimi... (by keskiverto)
by keskiverto
[getter method doesn't work]
 
We can't comment (your) code that we can't see. When you post code, please use code tags and intuitive indentation. See https://www.cplusplus.com/articles/jEyw...
[no replies]
by seeplus
Rectangle logo from words
 
To read the 4 words into a vector of string: #include <vector> #include <string> #include <iostream> int main() { std::vector<std::string> words(4); for ...
[8 replies] Last: Hmmmmm, someone gave the "gimme" muppet the boot. So sad..... He was... (by deleted account xyzzy)
by Augepauge
Need help with C++ task
 
Hello. I've come across some difficulties doing my C++ task. I'm not sure how can I write a reference to a function. Would appreciate any help. Here is the p...
[1 reply] : if you translated it right, reference does not mean c++ reference, but... (by jonnin)
by adam00
Don't know where im doin the problem.
 
Hey guys. I'm technically done with this code but there is a error in the answers. 5 9 ( for () function) The answers 5678 6789 7890 8901 9012 Getting them i...
[4 replies] Last: #include <iostream> #include <string> using namespace std; int main ... (by lastchance)
by jNc
random gen issues
 
Hello. Having issues with random generated integers. Having structure: ExamineOne.h -> main.cpp If just roll code from main, i have different random genera...
[1 reply] : Please show ExamineOne.h. (by AbstractionAnon)
by Geckoo
Draw a line
 
Hello friend. I hope that all is fine for you. I wish you the best week-end. I am writing a function in order to draw a line according to two points on a grid. ...
[6 replies] Last: Hello everyone. Sorry for the delay. I had read your explanations cons... (by Geckoo)
by lostdog
const char * is incompat with type char *
 
I have a compiling example int main(int argc, char* argv ) { SM_HANDLE seaMAXHandle; unsigned char data ; int model, commType, baudrate, parity; ...
[4 replies] Last: Oh, that was an example ? Heh, I have no idea how it compiled — not... (by Duthomhas)
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