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by CVRIV
I have some questions about reading/writing to/from a file.
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| I've been reading up on this subject but can't seem to find anything specific about a few things I'm wondering about. #1. Should I check if a file is open an... |
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May 31, 2021 at 4:43pm
[3 replies] Last: Awesome. Thanks. (by CVRIV)
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by Newbie0911
Newbie in c++ Some one help me with this.
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| I am having trouble in pointers 1. Consider the given function; void set(int *ptr) { *ptr = 180; } Show how to call the set function so that it set... |
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May 31, 2021 at 1:27am
[3 replies] Last: https://www.learncpp.com/cpp-tutorial/introduction-to-pointers/ (by deleted account xyzzy)
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by Zetrox
new c++ learner , could u help me please
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| Hello everyone i have this exercise where i have to fill up a quizz of 30 question , i answered all the questions but im still struggling with this one , i know... |
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May 30, 2021 at 10:43pm
[4 replies] Last: many, many compilers accept D as OK if not set to be very strict. You... (by jonnin)
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by VDNS
Station problem c++
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| I need help with the next problem. Correct the next issue so that it runs. Or any other solution :) #include using namespace std; #define N 101 struct st... |
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May 30, 2021 at 9:11pm
[3 replies] Last: #include <iostream> #include <fstream> #include <vector> using namesp... (by lastchance)
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by Ch1156
How to copy a classes constructor arguments in derived class without retyping them all?
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| So lets say I have a base class and the constructor for it has 10 arguments, If I inherit from that class I need to retype all the base classes constructor argu... |
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May 29, 2021 at 11:02pm
[5 replies] Last: Ok thank you for explaining. Is there ever a time where using #1 is a ... (by Ch1156)
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by crueltyfree
Aggregation. Trying to establish connection between objects of two different classes
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| Hello! I've created one vector for the drivers class and one for the buses class. The atributes of all the elements are read from the files. Now I'm trying to... |
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May 29, 2021 at 8:08pm
[6 replies] Last: Try not to write code that doesn't serve any essential purpose. Use t... (by mbozzi)
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by rozick1
converting CURL command line to libcurl code
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| Hi I can successfully POST data using the libcurl utility: curl -v -X POST -d "{\"temperature\": 25}" http://localhost:8080/api/v1/MY_ACCESS_TOKEN/tele... |
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May 29, 2021 at 2:27pm
[1 reply] : Try adding a / at the end of HOST_SUFFIX #define HOST_SUFFIX "/tele... (by dutch)
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by Anonomys
Question regarding the language
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| I just want to know , when you code , do you still look up some phrases or do you do it all out of your head? for example , if you were to write a program th... |
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May 29, 2021 at 10:49am
[4 replies] Last: It is often helpful to remember that optional args are on the right. T... (by seeplus)
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by hdcpp64
vs19 c++ console app LINK : warning LNK4067
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| I am getting below error when I want to Build and Release my app: LINK : warning LNK4067: ambiguous entry point; selected 'mainCRTStartup' This is how my mai... |
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May 29, 2021 at 10:45am
[2 replies] Last: Other than main.cpp, project file only consist of one header file "def... (by hdcpp64)
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by lindsayy
How to do insertion sort using 2 arrays..(storing the sorted array in another array)
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| Hi,im currently trying to do insertion sort using 2 array and I've tried insertion sort using 1 array. The main idea for insertion sort using 2 array is to have... |
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May 29, 2021 at 3:17am
[4 replies] Last: Yes!! @markyrocks thats exactly what im looking for..Thank you so much... (by lindsayy)
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by Zetrox
Am new to c++ and programming in general , can you please hep me with this exercise?
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| i have this exercise where i have to find the error in some code and correct it in some cases , i already did what i managed to figure out by myself but i still... |
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May 29, 2021 at 2:32am
[7 replies] Last: the search function can be much easier: int search(int ar , int size,... (by anup30)
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by CVRIV
Help with using a type alias with a custom class. Please.
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| I think I answered my own question during the time it took me to write this out, but I want to make sure I'm right. I left the subject the same even though I co... |
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May 28, 2021 at 8:03pm
[6 replies] Last: yes do what Seeplus said, emplace back. I always forget the name of i... (by jonnin)
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by calvinfornia
Converting from C++ to C
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| Hi, I'm working on a project, and below is a segment of my code written in C++. However, it's required in C, but I don't know how to write the counterpart of it... |
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May 28, 2021 at 12:57pm
[9 replies] Last: Another alternative to possibly simply the code is to process the file... (by seeplus)
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| linked list, big O |
| I am learning linked list, some sites are saying that insertion and deletion are O(1) and others are saying O(n). I understood why it is saying O(n) because It ... |
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May 28, 2021 at 9:29am
[3 replies] Last: do interviewers still ask this stuff frequently? Yes - but usually ... (by seeplus)
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by CodeNovice01
Having trouble outputting from a file
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| I'm using a playfair program, and i'm having trouble with outputting to my file. Everything outputs correctly, minus the encryption of my text file. the "me... |
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May 28, 2021 at 9:15am
[2 replies] Last: In function search(), if p isn't found there's nothing returned - but ... (by seeplus)
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by normantseu
Learning loops
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| How do I make multiples of three or five to be printed? ------------------------------------------------------------------------------------------------------ ... |
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May 28, 2021 at 9:08am
[2 replies] Last: Thank you seeplus! (by normantseu)
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by Keil587
Refernce variable length array with pointer
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| project description: I have an esp8266 that is receiving a string representing a color pattern of rgb values with a time for transitioning to the next color. ex... |
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May 28, 2021 at 8:55am
[2 replies] Last: The easiest c++ way probably is to use istringstream and getline() as ... (by seeplus)
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by Ch1156
Inheriting from a base class that inherits from another base class (1,2)
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| Im reading through C++ Primer 5th edition and I got to chapter 15 about object oriented programming and virtual, so i decided to try to do it myself, and I had ... |
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May 28, 2021 at 8:02am
[25 replies] Last: unique_ptr< Fighter > fighter = make_unique< F35Lightening2 >("F-35 L... (by againtry)
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by blackpanther
REPETITION
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| 1) Write a program in C++ that is capable of displaying how many numbers from 0 to 100 that are divisible by 2 and 5. 2) Write a program in C++ that is able ... |
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May 28, 2021 at 3:10am
[9 replies] Last: void re(int n,int cnt=0) { if (n > 100) { cout << "count= " << cnt;... (by markyrocks)
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by proxylink
returning value using a pointer and struct
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| I'm trying to have my function return the current position of the person but I'm having trouble figuring out the proper way to return the value because it's a p... |
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May 28, 2021 at 2:52am
[2 replies] Last: this all seems to be working right. #include <iostream> using na... (by markyrocks)
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