Beginners - C++ Forum - July 2017 (Page 3)

by aisakalol

If a Statement happens twice, triggers another statment

Im working with a loop and a few if statements within the loop. I'm using rand() % 100+1 to generate...

[2 replies] Last: Thanks, that was a lot of help. (by aisakalol)

by Meezy111

Including a Header file, does not compile

I have my code all set and ready to go but whenever I try to compile, it gives me some errors. I am ...

[4 replies] Last: class carddeck { private: const int DECKSIZE; int cardDeck ; publ... (by Enoizat)

by Ninjaclasher

Using the this-> pointer or directly calling the method/accessing the variable

Just a quick question with this code: class Foo { Foo(); void Bar(); int a; }; Foo::...

[4 replies] Last: @jlb Yes classes have default private access, however in the snippe... (by longberns)

by akash16

String handling functions

1. Never use gets(). It is deprecated/Removed from C11. Because it is impossible to tell without ...

[no replies]

by imprudentspace

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 ...

[4 replies] Last: To be more precise, lines 10 and 11 declare the constructors. The act... (by MikeyBoy)

by Bruce34

pushback to a vector in a map<int, vector>

I have a map <int, vector<object>>, and I want to push back an object to an instance of vector . But...

[1 reply] : The return type of push_back(...) is void hence you cannot use it like... (by coder777)

by masterinex

how to test if a command line argument follows a certain regular expression

I would like to test if a command line argument follows a certain regular expression. if it does the...

[1 reply] : #include <iostream> #include <string> #include <regex> #include <vect... (by JLBorges)

by i773

How should I go about creating this "Factory"

I'm creating a game system and looking at the best way to implement it. I have a bunch of classes ...

[1 reply] : Make a structure that has both classes and call that structure? May... (by qwertyKeyboard)

by hav206

quadractic probing in hash function

I am trying to do the quadractic probing in hashing function. I want to know if this is right? and ...

[no replies]

by xxvms

Unique_ptr

Hi there good to see that website if back and running :) I am having difficulty with my projec...

[8 replies] Last: yes found that as well :) thank you (by xxvms)

by keh k lenge

Why cannot compiler find operator<<

Why cannot compiler find operator<<?? Where is the compiler looking into to find the definition of o...

[8 replies] Last: The function that I want is not a friend since I am not accessing any... (by Cubbi)

by ETH11674

digital levelization

hello everyone, i'm self-taught c++ programmer,and i have one problem that is for given digital cir...

[3 replies] Last: ok so you need to be sure about that, and if you don't have such a thi... (by jonnin)

by NGC3370

Can you sort a deque collection without using any functions?

Without using sort() or swap(), how can I sort the deque? I did the usual swapping code one and it ...

[2 replies] Last: silly me, all because of a typo (by NGC3370)

by Enaris

Learing cpp from books

Hi, I have been reading Primer Plus by Stephen Prata, I have reached end of 14 chapter (which is ma...

[5 replies] Last: The standard library has std::pair<> , we could directly use it. http... (by JLBorges)

by masterinex

how to use regex_serach with dir->path.extension()

I am trying to create a program which scans a folder and lists all the C++ files when the user enter...

[7 replies] Last: The value type of the filesystem library iterators is directory_entry... (by JLBorges)

by ExSanity

Detecting key press for hotkey?

How would I detect every key press without listing out every key code from start to finish and not l...

[1 reply] : Never mind I've figured out how to do it. I thought Keyboard Hooks wou... (by ExSanity)

by Bopaki

I get this error: from 'std::basic_string<char>' to 'bool'

Here is the complete error: C:\Dev-Cpp\MAlikChapter1\personTypeDriver.cpp:13:60: error: could not c...

[5 replies] Last: Thanks to everyone. The program now runs fine and gives the correct ... (by Bopaki)

by NGC3370

Extracting email addresses from text file

Hi! This program suppose to extract email addresses from random texts However I just can't get it to...

[4 replies] Last: Thank you soooooo much chervil and jonnin!!! Thank you Chervil it work... (by NGC3370)

by keh k lenge

Polymorphic calls not working!!

Shape<---Triangle<---IsoTriangle If I run code below I get the following error IsoTriangle.cpp:3...

[3 replies] Last: Ah, I see. I wasn't expecting it to be in the IsoTriangle class. When... (by Peter87)

by mmgh

Running MPI on Linux

Hello, I have parallelized my code using MPI with the Master-Slave scheme. The code is too big to...

[2 replies] Last: Thank you for your reply. I worked on it a little bit more. I think it... (by mmgh)

Beginners - July 2017 (Page 3)

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