please wait
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by aisakalol
If a Statement happens twice, triggers another statment
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| Im working with a loop and a few if statements within the loop. I'm using rand() % 100+1 to generate a random number, and from that number I'm having different ... |
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Jul 27, 2017 at 9:30pm
[2 replies] Last: Thanks, that was a lot of help. (by aisakalol)
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by Meezy111
Including a Header file, does not compile
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| I have my code all set and ready to go but whenever I try to compile, it gives me some errors. I am using Dev C++ since Visual Studio gave me a hard time becaus... |
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Jul 27, 2017 at 8:12pm
[4 replies] Last: class carddeck { private: const int DECKSIZE; int cardDeck ; publ... (by Enoizat)
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by Ninjaclasher
Using the this-> pointer or directly calling the method/accessing the variable
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| Just a quick question with this code: class Foo { Foo(); void Bar(); int a; }; Foo::Foo() { a = 10; } To access the 'a' variable within t... |
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Jul 27, 2017 at 7:28pm
[4 replies] Last: @jlb Yes classes have default private access, however in the snippe... (by longberns)
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by akash16
String handling functions
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| 1. Never use gets(). It is deprecated/Removed from C11. Because it is impossible to tell without knowing data in advance, how many characters gets() will re... |
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Jul 27, 2017 at 3:05pm
[no replies]
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| Help Please! Error messages with classes. |
| I am writing a credit card simulator that uses classes. On my CreditCard.h file, I am getting error messages on the commented line below. #pragma once #i... |
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Jul 27, 2017 at 11:09am
[4 replies] Last: To be more precise, lines 10 and 11 declare the constructors. The act... (by MikeyBoy)
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by Bruce34
pushback to a vector in a map<int, vector>
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| I have a map <int, vector<object>>, and I want to push back an object to an instance of vector . But I get the error no matching function, here is the sample co... |
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Jul 27, 2017 at 11:05am
[1 reply] : The return type of push_back(...) is void hence you cannot use it like... (by coder777)
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by masterinex
how to test if a command line argument follows a certain regular expression
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| I would like to test if a command line argument follows a certain regular expression. if it does the boolean isSwitch turns to be true. i tried it 2 differen... |
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Jul 27, 2017 at 2:42am
[1 reply] : #include <iostream> #include <string> #include <regex> #include <vect... (by JLBorges)
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by i773
How should I go about creating this "Factory"
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| I'm creating a game system and looking at the best way to implement it. I have a bunch of classes and I want to create them in one class after looking at this... |
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Jul 27, 2017 at 12:53am
[1 reply] : Make a structure that has both classes and call that structure? May... (by qwertyKeyboard)
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by hav206
quadractic probing in hash function
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| I am trying to do the quadractic probing in hashing function. I want to know if this is right? and how do I check if the table is full? // // hash_func.h ... |
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Jul 27, 2017 at 12:20am
[no replies]
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by xxvms
Unique_ptr
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| Hi there good to see that website if back and running :) I am having difficulty with my project. it is Library with books that can be borrowed by user. t... |
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Jul 26, 2017 at 9:11pm
[8 replies] Last: yes found that as well :) thank you (by xxvms)
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by keh k lenge
Why cannot compiler find operator<<
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| Why cannot compiler find operator<<?? Where is the compiler looking into to find the definition of operator<< when it encounters the line cout <<f.some_func()... |
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Jul 26, 2017 at 8:16pm
[8 replies] Last: The function that I want is not a friend since I am not accessing any... (by Cubbi)
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by ETH11674
digital levelization
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| hello everyone, i'm self-taught c++ programmer,and i have one problem that is for given digital circuit after implementing it i should levelize it with followi... |
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Jul 26, 2017 at 6:53pm
[3 replies] Last: ok so you need to be sure about that, and if you don't have such a thi... (by jonnin)
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by NGC3370
Can you sort a deque collection without using any functions?
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| Without using sort() or swap(), how can I sort the deque? I did the usual swapping code one and it did not work... Does it only works on array based list? ... |
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Jul 26, 2017 at 5:50pm
[2 replies] Last: silly me, all because of a typo (by NGC3370)
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by Enaris
Learing cpp from books
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| Hi, I have been reading Primer Plus by Stephen Prata, I have reached end of 14 chapter (which is mainly about class templates). Now I found out that Prata's bo... |
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Jul 26, 2017 at 11:07am
[5 replies] Last: The standard library has std::pair<> , we could directly use it. http... (by JLBorges)
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by masterinex
how to use regex_serach with dir->path.extension()
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| I am trying to create a program which scans a folder and lists all the C++ files when the user enters a 'c' for argv in the program. for some reason i can't u... |
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Jul 26, 2017 at 10:46am
[7 replies] Last: The value type of the filesystem library iterators is directory_entry... (by JLBorges)
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by ExSanity
Detecting key press for hotkey?
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| How would I detect every key press without listing out every key code from start to finish and not limiting the usable keys to special keys? I want to create... |
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Jul 25, 2017 at 5:54pm
[1 reply] : Never mind I've figured out how to do it. I thought Keyboard Hooks wou... (by ExSanity)
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by Bopaki
I get this error: from 'std::basic_string<char>' to 'bool'
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| Here is the complete error: C:\Dev-Cpp\MAlikChapter1\personTypeDriver.cpp:13:60: error: could not convert 'personType::getLast(std::string) const(std::basic_st... |
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Jul 25, 2017 at 5:19pm
[5 replies] Last: Thanks to everyone. The program now runs fine and gives the correct ... (by Bopaki)
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by NGC3370
Extracting email addresses from text file
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| Hi! This program suppose to extract email addresses from random texts However I just can't get it to work, it outputs avocado every time, that if statement had ... |
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Jul 25, 2017 at 3:24pm
[4 replies] Last: Thank you soooooo much chervil and jonnin!!! Thank you Chervil it work... (by NGC3370)
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by keh k lenge
Polymorphic calls not working!!
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| Shape<---Triangle<---IsoTriangle If I run code below I get the following error IsoTriangle.cpp:36:8: error: no match for ‘operator<<’ (operand types are... |
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Jul 25, 2017 at 11:11am
[3 replies] Last: Ah, I see. I wasn't expecting it to be in the IsoTriangle class. When... (by Peter87)
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by mmgh
Running MPI on Linux
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| Hello, I have parallelized my code using MPI with the Master-Slave scheme. The code is too big to be written here. I have a problem when I run it on Linu... |
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Jul 25, 2017 at 9:02am
[2 replies] Last: Thank you for your reply. I worked on it a little bit more. I think it... (by mmgh)
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