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General C++ Programming - June 2016 (Page 9)

I need help copying struct to char array

below memcpy do not copy anything from struct to char array. sendata stay as '\0'. any thought? struct clientPacket cpacket; cpacket.transacti...

[1 reply] : turns out, I was doing the correct thing. verified with copying char a... (by djhyun0001)

by da peppester

Immaculate Syntaxical Apotheosis?

I attempting to make my code as neat and clean as possible as I am embarking on A HUGE project. I have many different structs, unions, and functions that need c...

[11 replies] Last: How completely retarded. (by helios)

by da peppester

Mingw Build-ins Location

In which header file does Mingw define its builtins?

[2 replies] Last: Thank you so much you are very helpful and constructive. You have answ... (by da peppester)

by mattonfire

Forms and Simple Commands.

Hiya, anyone understand C++ on Visual Studio, when I run a command after "Application::Run(%form);" it will only run after I have run the program and closed th...

[2 replies] Last: Why don't you start the commands from the form ? (by Thomas1965)

by closed account L1bXjE8b

Generic programming using std::transform() (1,2)

I am working on a program that takes an arbitrary number of command line arguments (at least 1), and outputs the minimum and maximum value, as well as what posi...

[21 replies] Last: 5. for(int n: data) std::cout << n << ' '; std::cout << '\n'; The i... (by Cubbi)

by marty1123

age and grade

can someone help me write a C++ Program where a user enters an age from 5 to 18 and print what grade that person should be in?

[1 reply] : Duplicate post: http://www.cplusplus.com/forum/beginner/192535/ (by Chervil)

by H A M

i'm a biginner in c++

iwant to make a programme that will take a string from the user and its length isn't limitted but each word will be separeted by either ','or';' i want to split...

[6 replies] Last: for (int i=0;i<str.length();i++) { int Pos = str.find('['); string ... (by H A M)

by vinniefalco

Beast: HTTP and WebSocket implementation Open Source NEW!

Beast is a new open source library that implements the HTTP and WebSocket protocols on top of Boost.Asio. Its header only and builds on gcc, clang, and MS Visua...

[no replies]

by Vabi

Factory Method

What is factory method of programming?

[4 replies] Last: @MilkeyBoy n @kemort thanks a lot. (by Vabi)

by norman1312

Date picker

I am using VS 2015 C++. I have a variety of programs that have picked up a date by reading three separate fields. I now have a new program that wants to read a...

[10 replies] Last: It needs an email address (by norman1312)

by enana

calculator

i am trying to make a simple calculator allow to the user to enter how many number her/she wants. it goes well from the out side but when it start the calculati...

[3 replies] Last: AbstractionAnon i did the changes in line 49 and 41. in line 8 i rep... (by enana)

by dbrenchley

getting a newbie off on the right foot ..

Good day .. new to C++ .. wondering if one could offer some insight/suggestions how I might achieve a desired goal. I'd like to have a loop that within a numbe...

[3 replies] Last: THANK YOU folks !! Sorry I didn't respond sooner, I failed to have not... (by dbrenchley)

by Mora Hannover

Bruteforce is confusing!

I have seen many bruteforce topics! like this one : http://www.cplusplus.com/forum/lounge/151573/ So lets say for example I made a program that requires a p...

[7 replies] Last: I read these tools are using Network-CPU-Power, wordbooks, rainbow-tab... (by closed account 48bpfSEw)

by nawas

How to open another file for reading without closing the first file

In our team project, a file is to be continually read from using a while loop, and whenever a certain word is encountered, another file is to be opened to read ...

[4 replies] Last: @DTM256 Thank you for providing another option if closing the file is ... (by primem0ver)

by deniedanull

[SFML] How do I load tilemaps in c++

How do I load tile maps in c++? Currently what I have tried to do is have an array with integers that specify a value eg 1 = ground, 0 = stone etc. and loop thr...

[10 replies] Last: Thanks, But I solved it like this: if (map == 1) { ... (by deniedanull)

by AcarX

Question about atomic operations and reading

I was wondering if I need to use atomic read operations for sensetive data. For example: - Thread 1: InterlockedExchange(&sensetive_data, sensetive_data + 5)...

[3 replies] Last: volatile is pretty much the worst solution possible, because the meani... (by Cubbi)

by Mwangi Elijah

Program fails to initialize and display values entered to struct

Hello programmers. I would like the below program to initialize the struct below at runtime and then display the values entered. I have two functions as: Ente...

[4 replies] Last: @Mwangi Elihah: Please use code tags when posting code, to make it re... (by MikeyBoy)

by FallingStar

How to create an implicit cast between two pointers of two types

Suppose I have a pointer of type *Foo. I want to pass it to a function that expects a pointer of type *Bar, so I have to create a cast between those. How do I d...

[6 replies] Last: void make_snafucated(Node *node){ node->snafucation(); } void m... (by helios)

by EddgeX

Learning something new each day?

Hello everyone, I am new on these forums however, I browse cplusplus quite frequently. So my question is, does anyone try to learn something new each day ...

[3 replies] Last: Hey Thomas1965 and Cubbi, thanks for the links I'll start taking a loo... (by EddgeX)

by Festus01

C++/cx with sqlite

hi, i am building a universal windows application with c++/cx for the first time and i am trying to use sqlite database. has anyone done this before i need samp...

[no replies]

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