Beginners - C++ Forum - December 2019 (Page 2)

by asxxx

Reversing words

Hello, How can I reverse words in sentence? I try to do it with strtok. #include <stdlib.h> #incl...

[14 replies] Last: Err right! Glad someone's happy, even if it wasn't the OP! Belated Ha... (by lastchance)

by TheToaster

Help! Hash map implementation confusion

Not sure if this goes in General or Beginners, but here goes. I am currently reading Professional C+...

[3 replies] Last: > Why is the type requirement CopyInsertable and MoveInsertable? > Wh... (by JLBorges)

by highwayman

C++ and other lang how to use both

A couple days ago I decided I was going to attempt to use a different language with c++ (specificall...

[15 replies] Last: I got you. I also learn some things in trial by fire fashion, just j... (by jonnin)

by tiago123123

Im new, and my teacher dosent teach me nothing

Hi! my name is Tiago and i am starting a project at c, but my teacher dosent help me at anything i w...

[1 reply] : which cloud platform? Most do not do a lot in c++ and prefer scriptin... (by jonnin)

by Shervan360

Sorting file contents with C++

Hello, I want to sort the content of my file. but write to file isn't successfully.(No changes to th...

[7 replies] Last: What have you tried? Do you know how to clear a stream error flag? D... (by jlb)

by ubaidm

Issue with class templates

Hi, i am quite new to template programming, and i am getting the Error "LNK2019 unresolved external ...

[3 replies] Last: Thank you both..! (by ubaidm)

by sonelektrikci

How to reach array's elements from map?

Here is my codes; I have map and arrays like this; Array dayHours{0,0,0,0,0,0}; Array1 day{"Mon...

[2 replies] Last: map<pair<string,int>,pair<Array1 ,Array> > matchMap; You should use ... (by dhayden)

by aTotalNoob

Issue with using iterators

I have the following code: struct Floe { int x{}, y{}, penguinsOnFloe{}, maxJumps{}, curJumps...

[8 replies] Last: tldr : the problem is the end conditions on both loops. You are try... (by dhayden)

by dhayden

Recording on one soundcard, playing on another (same box): am I guaranteed to run into drifting issues?

No two clocks run at the same rate. No individual clock runs at a consistent rate. So the question...

[no replies]

by Shervan360

Return array with unknown size in C

Hello, How can I print all of arr? we don't know what is the array size. ( Line 42) #include<stdi...

[11 replies] Last: https://stackoverflow.com/questions/12992925/c-correct-way-to-return-p... (by againtry)

by B12885

Noob in need of help.

Hi I was wondering if someone could help me figure this out. I’m extremely new to coding. My firs...

[3 replies] Last: #include <iostream> #include <iomanip> int main() { float Purch... (by againtry)

by ema897

File reading

Hi! I have a problem with file reading. In particular, I have to find some keyword in text file a...

[12 replies] Last: PS This is the output of unfiltered words I get on my machine: keyw... (by againtry)

by vittorioc98

Check file exist with File Descriptor in C

Hello Guys.. is there a way to check ONLY if a file exist? I mean.. if((fd = open(PATH, O_CREAT...

[4 replies] Last: Or perhaps this. https://linux.die.net/man/2/access (by salem c)

by Bopaki

These errors are frustrating me

I am. Getting this error: Implicit error conversion changes (aka 'unsigned int') to int' Errors ...

[4 replies] Last: Hi, Bopaki. Very sorry for your laptop. I shiver to think what would i... (by Enoizat)

by accuracy12

read from specific txt file

Hi guys. I got a problem. I need to read data from a txt file that I wrote. I have a student, clas...

[9 replies] Last: Add these methods to every class : istream &read(istream &is); ... (by dhayden)

by vittorioc98

Removing Pending IPC OBJECTS (System V)

Hello Guys.. i looked for an answare to my question online.. but nothing has been found.. Maybe beca...

[8 replies] Last: Thanks all guys! ;) (by vittorioc98)

by Bopaki

Copied program from textbook but getting these errors

implicit conversion changes signedness 'int' to 'size_type'(aka 'unsigned int') //Demo...

[5 replies] Last: I am using my cell phone at the moment since my laptop has been stolen... (by Bopaki)

by Deadweight77

Grading system with templates

I'm currently working on a project in which I'm able to enter in the grades of each class as well as...

[6 replies] Last: See http://www.cplusplus.com/forum/beginner/266668/ (by againtry)

by fusecube

What library graphics in console

Does anyone recognize which library my local weather station in the image below uses to create the g...

[2 replies] Last: Not likely a particular coding library. There are plenty of free tools... (by zapshe)

by Mariyan

Getline doesn't work

Hello everyone! I am new to c++ and i am working on a program to practise string and getline, but un...

[6 replies] Last: Thanks. It worked! (by Mariyan)

Beginners - December 2019 (Page 2)

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