please wait
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by skiner36
Sorting an array of structures with a pointer
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| Hi, I have a pointer to an array of structures in a DLL that I need to sort. I have searched the Internet but I can’t find an example that reflects what I am... |
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May 20, 2019 at 11:18am
[6 replies] Last: Note that the other form of sort that anup30 did use: std::sort( ar... (by keskiverto)
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by sindhu05
Inheritance of Specialized Class from Non Template Class and Template Class from Specialized Class
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| I have two questions which I am unable to solve myself. Questions are, - Is it possible to inherit Specialized Class from Non Template Class? - Is it pos... |
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May 20, 2019 at 10:40am
[1 reply] : I think that the answer to both questions is 'yes'. See https://en.cpp... (by keskiverto)
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| Problem tracing -Code Output |
| Dear C++ Community I do not seem to understand, the following code`s output even after tracing it. void f(int* &c, int* d){ *c =16; c = c+2; ... |
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May 20, 2019 at 10:39am
[4 replies] Last: Rather than get lost in alphabet soup, rename variables to be somethin... (by salem c)
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by Hezyln
My final value is not consistent.
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| My final value is not consistent. |
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May 20, 2019 at 8:00am
[2 replies] Last: Hello Hezyln, PLEASE ALWAYS USE CODE TAGS (the <> formatting button... (by Handy Andy)
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by dumguy
Need help with int pointer conversion
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| Hello all I'm just starting with cpp for arduino/freeRTOS. I created a simple program whic creates task to blink three LEDs are on pin 13,12 and 11. To Debu... |
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May 20, 2019 at 2:23am
[5 replies] Last: Oh, it's probably best to ignore my post. I should have read the OP m... (by mbozzi)
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by gongong
search an array of strings
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| how would i create a function that searches a data from an array of strings? |
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May 19, 2019 at 8:23pm
[4 replies] Last: my initial post got reported too... so i dont know (by gongong)
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| issue with classes and vectors! |
| I've been trying to make a program, using classes and vectors, and I keep running into this error, or I guess, errors. "Severity Code Description Project Fil... |
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May 19, 2019 at 5:56pm
[3 replies] Last: figured it out! (kinda) Basically, something about my PersonalLibr... (by AshleyHideo1917)
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| Fill struct array from text file |
| Hi, I need to create a struct array, pass by reference into a function, and the fill the array through a text file in this function. My array has five column... |
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May 19, 2019 at 12:44pm
[5 replies] Last: >"Is there a way to read one line at a time?" yes. use getline() #inc... (by anup30)
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by cc046
dynamic programming
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| PROBLEM: You are provided with a set A. A good range is the largest range of elements that contain only one element from the set A. you are also a range of... |
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May 19, 2019 at 12:26pm
[8 replies] Last: thanks Duthomhas I got 100 points.. Thanks Again (by cc046)
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| Adding to file name using a (string)variable + "test.txt) |
| username is a user input and I wanna name a file as username_friends.txt I used this line of code string fileName= username + "_friends.txt"; So I can then o... |
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May 19, 2019 at 11:49am
[5 replies] Last: Damn I didnt expect such fast answers, thank you for your time (and pa... (by closed account 17Mo1hU5)
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by CoolAvocado
How to remove data from the file i made?
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| I need to remove specific data from the file #include <iostream> #include <fstream> #include <string> using namespace std; struct Teacher { st... |
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May 19, 2019 at 8:43am
[5 replies] Last: excuse me i plan to use array as to keep track of all those teachers ... (by CoolAvocado)
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by Pecvx
std::map and operator<
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| If you make a map<key,value>. Is it necessary for the key datatype to have the operator< defined? Given that a std::map is sorted on keys. |
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May 19, 2019 at 8:39am
[1 reply] : If the key is not LessThanComparable (or if we want a different crit... (by JLBorges)
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by Dantecross12
Print repeating diagonal in array
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| Hi, I'm trying to print a repeating pattern of numbers, going from 1 to 5, in the diagonal of a 20 x 20 array, but my code isn't producing anything. What am ... |
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May 19, 2019 at 6:44am
[1 reply] : Use “modular arithmetic”. The idea is that you have a remainder. ... (by Duthomhas)
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| Memory management |
| Hello, I have a theoretical question about programs memory. When I'm about o run a program, the Operating system saves memory for it to work. But, this amoun... |
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May 19, 2019 at 4:10am
[1 reply] : Well the OS doesn't know in advance what a program is going to need. ... (by salem c)
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| Printing array using pointer logic |
| Hello, I was trying to print an array of integers using pointer logic to it. So, as an integer uses 4bytes of memory, for me to jump from cell to cell of t... |
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May 19, 2019 at 2:46am
[2 replies] Last: Got it! Thanks! (by Lucas Fiorini)
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| Copy constructor and assignment operator invoked at same time |
| Dear C++ Community I found an interesting question in my test about describing a circumstance in which a copy constructor and an assignment operator for a clas... |
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May 18, 2019 at 11:59pm
[1 reply] : I am right in assume they want a real-life example? As real-life ... (by mbozzi)
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| Copy constructor invoked question |
| Dear C++ Community I encountered a question, if the following program fragment was run the copy constructor for the class X would be invoked three times. ... |
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May 18, 2019 at 11:40pm
[1 reply] : - The copy constructor would not be invoked on line 7. By definitio... (by mbozzi)
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by ICantC
finding items in generic list
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| I have a template list class of template nodes and I'm trying to put all the functionality in a separate iterator class (for learning) - but the below is gettin... |
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May 18, 2019 at 6:43pm
[5 replies] Last: iter = std::make_shared<node<T>>() = list.head; ¿what? ¿why there ... (by ne555)
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by grumblesnake
PPP chapter 16 exercise 4 - read access violation.
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| I'm currently trying to complete exercise 4 in Stroustrup's Programming Principles and Practice, which have you create a window class able to create a button, w... |
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May 18, 2019 at 6:11pm
[4 replies] Last: gdb is a debugger, a wonderful tool used to fix runtime and logic err... (by grumblesnake)
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by charbel542
Combination
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| hello everyone i'm trying to make a combination of characters in c++ it goes something like that: a b aa ab ba bb aaa aab aba abb baa bab bba bb... |
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May 18, 2019 at 4:37pm
[5 replies] Last: Using GMP (the snippet runs a small finite loop, starting with a spec... (by JLBorges)
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