please wait
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by soulworld05
confirming
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| Hi again, I want to make sure I get it right. For this line 3 the one with nothing in the parameter. Is not necessary because we already used return input;. ... |
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Oct 24, 2020 at 4:16pm
[8 replies] Last: Thanks! (by soulworld05)
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by mathman54
C++ is not right (1,2)
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| HI People, I am just learning C++. I have a couple of books that I am learning from. I think there is something wrong with Visual Studio 2019 Pro. I write progr... |
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Oct 24, 2020 at 2:58pm
[39 replies] Last: Compiling your first program - https://www.learncpp.com/cpp-tutorial/w... (by deleted account xyzzy)
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| How can I rewrite function add to be more efficient? |
| Write your question here. Is there a faster way to accomplish this? It's fine if the vector is small but not as much when it gets larger. class school ... |
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Oct 24, 2020 at 1:16pm
[2 replies] Last: If the standard comparison for std::set isn't what is required, then a... (by seeplus)
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by Emil Enchev
Are they made changes to getchar() recently?
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| Why does these authors claim that getchar() acts in this way? Their book is from 2014. In its current version getchar() work just as expected - it read buffer's... |
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Oct 24, 2020 at 9:46am
[3 replies] Last: " You would think that if the user typed GT, the G would go in the var... (by Emil Enchev)
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by soulworld05
tutorial confusing
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| this is what tutorial say Start with: 42030 Slide decimal left 4 spaces: 4.2030e4 No leading zeros to trim: 4.2030e4 Trim trailing zeros: 4.203e4 (4 signi... |
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Oct 24, 2020 at 3:50am
[4 replies] Last: so they are significant That's indeed true. Confusing precision with... (by againtry)
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by KarlisPerez
hello world
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| Hi! im creating something i like to call a complex hello world. im extremely new to coding let alone c++ and to start i made a hello world. i know how to do tha... |
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Oct 23, 2020 at 9:08pm
[4 replies] Last: @doug4, Nice input. Thank you. I will try to that point in the future... (by Handy Andy)
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by theBenz
loop while
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| Hi there, I'm trying to write program in wich i measure a signal to switch on/of a relais. the relais should inmediate turn on if there is a signal, if there is... |
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Oct 23, 2020 at 7:01pm
[7 replies] Last: Thank you all. I have learn't a lot. Amazing how you turned this"probl... (by theBenz)
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by rovert456
Amortization table
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| I'm doing an assignment where I have to create an Amortization table. I personally have no clue how loans work but gave it my best shot when writing the code. I... |
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Oct 23, 2020 at 6:42pm
[9 replies] Last: $12.43 is safer as 1243 cents. Trust me on this :) You can find cou... (by jonnin)
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by DonnaPin
I/O streams & std namespace
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| Hi, I am trying to learn about the IO streams and have a question regarding that and std namespace. From this page It appears that all the streams inherit from ... |
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Oct 23, 2020 at 4:03pm
[4 replies] Last: Thank you for the help, I will look into the link. (by DonnaPin)
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by liam401
Arrays within a function
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| Hello, im being asked to create a user defined array. Ive gotten that code down, but im having trouble defining the array within a call function. If anyone know... |
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Oct 23, 2020 at 8:02am
[4 replies] Last: yeah my terminology with c++ is trash. Still new to the language and h... (by liam401)
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by yogagirl
Code help
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| !!! |
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Oct 22, 2020 at 8:56pm
[6 replies] Last: Thank you so much for your help! (by yogagirl)
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by Amirreza10
How to read from a text file and split it into values in C++
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| this is my text file (mytext.txt): rho_0,10 kp_0,8 Beta_kp,6 x_min,5 x_max,8 y_min,9 y_max,5 z_min,4 z_max,7 I want to read from this text file line... |
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Oct 22, 2020 at 8:37pm
[7 replies] Last: Yes, thanks alot. Now it's working :) (by Amirreza10)
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by Alex12361
Templates in external files doesn't work well
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| It works but when i try to move class and methods to separate files it throws errors #include <iostream> using namespace std; template<typename T> class T... |
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Oct 22, 2020 at 3:27pm
[1 reply] : All templates need go to the header file. https://stackoverflow.com/qu... (by Thomas1965)
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by HelpMeBro
Sorting
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| Is this possible to arrange given numbers in ascending order with if statement ? I have tried but, because of if else , it only prints the smallest of them b... |
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Oct 22, 2020 at 2:50pm
[9 replies] Last: Andy , thanks for your vast answer. I really appreciate it. I learnt ... (by HelpMeBro)
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by Brjdyxter
How to read this type of name in file i/o c++
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| Recently i have learnt how to read file and store data to the class in c++. But there a harder exercise that i have no idea to do. Here are the text file Id ... |
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Oct 22, 2020 at 2:29pm
[2 replies] Last: A simple way to do this could be: #include <fstream> #include <iost... (by seeplus)
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| Why won't my ofstream make a new file with the context??? It only makes a blank file? |
| My input file is "widgets.dat", how do i close the program when done & rename/re-create a new file as prog2.out. struct Item { int partNumber; /... |
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Oct 22, 2020 at 2:02pm
[19 replies] Last: Thanks for the support, you guys are freakin awesome! Have an amazing ... (by FanOfThe49ers)
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by Angela1998
What are some design patterns that appear in your code often?
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| Hello, I wanted to ask this question because I think it's interesting to hear about other people's experiences. Have you always had one or two design patterns t... |
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Oct 22, 2020 at 7:14am
[6 replies] Last: @syeare, one way to avoid if-else is a look-up table. The code snippet... (by Thomas1965)
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| My structure file only displays the last line of my fstream files. I also question abo (1,2) |
| Hey all, i want to finish up my code without changing much since my teacher requires us to keep it in the same format with mostly the same functions. But for so... |
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Oct 22, 2020 at 12:26am
[20 replies] Last: post all your updated code you need to fix at least three things: - ... (by ne555)
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by syeare
Input Validation Loops: Strange Behavior
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| I don't understand why my console spams a bunch of couts when I input a character instead of a value. It works perfectly fine if I input a value not within the ... |
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Oct 21, 2020 at 11:50pm
[5 replies] Last: cin is how C++ interacts with standard input , which is essentially a... (by Ganado)
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by learner999
Press any key continue automatically
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| Hello everyone, I will be very happy if you can help me for a problem I face with. I have written a C++ code to read a multiple data files in Visual Studio in... |
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Oct 21, 2020 at 9:21pm
[5 replies] Last: Thank you so much @Handy Andy and @Ganado . The problem has been solve... (by learner999)
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