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General C++ Programming - July 2010 (Page 5)

I'm trying to set up PDCurses with Code::Blocks, but the tutorial I'm following isn't helping much... Can anyone help?

[no replies]

Problem with variable initialization

It is a block for gnuradio for phase shifting modulation. "make" tells me: In file included from howto_diffconst_bc.cc:5: ./howto_diffconst_bc.h:6: er...

[2 replies] Last: yep and this probably isn't right: static const complex<float> p_c... (by thunder87l)

by RavikumarNingegowda

Accessing structure members during every iteration in the loop

Dear experts, My code contains three structures: struct ABC, struct DEF and struct GHI. struct GHI contains the reference for ABC and DEF. Code also conain...

[1 reply] : You can't because the structures are different. The only way to do it... (by Disch)

by edw2011

Random access of Binary Files

Hello all, first post here so be gentle, I'm having some trouble trying to do random access on binary files. Following is a description of what I'm trying to...

[1 reply] : How about: randomSearchFileListIn.seekg(filesToBeProcessed * MAX_... (by m4ster r0shi)

by chubbsvalle

Functions undeclared identifier error

Hello, I'm writing a program that's suppose to calculate the cost of a paint job's company price for painting. Basically were told to put everything including f...

[1 reply] : Your functions are all wrong. I recommend that you read this carefully... (by Galik)

by Phantom139

Open SSL Link Errors

I've been trying to build a simple openSSL code segment, using the rsa.h header file in MSVS2008 for quite some time now, but every time I try to build it, I ge...

[1 reply] : hahaha, this is great. I figured out what was wrong. I installed th... (by Phantom139)

by harsh4u89

Dynamic Array

How to implement dynamic arrays using normal arrays that work exactly like vectors One approach is to increase and decrease the space. Please tell some ...

[5 replies] Last: If it doesn't need to be compatible with C like apis you can also use ... (by kempofighter)

by ansetou

passing `' as `this' argument of `' discards qualifiers

I have a func as below: class Book { ... set<Level> sLevels ; ... }; void Book::del_order (Order *ord) { if ( ord && del_oid(ord)) { // it's in ...

[4 replies] Last: Generic Programming and the STL by Austern. It covers the STL from to... (by moorecm)

by danielsonfx

Image Manipulation

I have a black & white image in my directory and I want to check the array of brightness of that picture, if certain pixel of that image is totally white i wa...

[1 reply] : I'm not sure I understand what you're trying to do, but if you want to... (by hamsterman)

by declan

Bizarre bug-- for loop stalling

Hi guys. I have a very strange problem. In my program, I enter a number of particles for the program to work on, and a number of steps for it to go through. The...

[9 replies] Last: So, I pulled out gdb. Led to me eventually finding the problem. So I f... (by declan)

by harsh4u89

Which one is the best / or suggest other

/* Counting in Lojban, an artificial language developed over the last fourty years, is easier than in most languages The numbers from zero to nine are: ...

[9 replies] Last: No, of course not. char* is a pointer to a char, so that makes no sen... (by Athar)

by phakaki

No ever seen problem, even on the internet.

Hi everybody, I'm Brazilian and mechanical engineer student. So, sorry for any bad English grammar. Here's the thing, i tried to do a program but i couldn't ...

[1 reply] : Oh... I thought this was going to be something about traversing a dire... (by helios)

by khaled mohamed hassan

switch between text mode and graphics mode

hello , i have an trouble in switching between graphics mode and text mode i have an interface by using graphics mode and when you press in a key of it will...

[6 replies] Last: Switching video modes in DOS using interupts will reset the video memo... (by moorecm)

by hesthep

write to istream

Hi all, Is there a way to set istream buffer content? I need to write string into std::cin in other way than user's input. I've tried with putback() but it ...

[6 replies] Last: Well hopefully you just need to replace your std::cin with a reference... (by Galik)

by caiweilian

delimiter to find html tags

how to use (1)strtok to find out html tags from a file? (2)getline(a,b,'<>'); is the getline method used correctly? If not how should I use getline to ...

[2 replies] Last: HTML tags are 'nested' so its not as simple as finding every '<' and '... (by Galik)

by Kat B

fopen(), crashing, memory allocation?

I am seriously at a complete loss as to what I am experiencing. If I write a small program, with this line in it, it works fine: FILE * fp = fopen("test.t...

[10 replies] Last: @kbw There is a long and boring story behind the decision for the char... (by Kat B)

by patryk

Visual C++ 2008 problem.

I don't know what I pressed, but for some reason, everytime I put a space there is a little Blue-Greenish dot in the space. And also there are arrows on the lef...

[2 replies] Last: Thank you. (by patryk)

by jibbityjobjob

void* to bitmap bit data

Through the windows API I can get a void* to the bit data of a bitmap that I’ve just created. (Parameter ppvBits in Function: HBITMAP CreateDIBSection( _...

[2 replies] Last: OK, thanks. I was aware of of what you mentioned for bitmaps, althou... (by jibbityjobjob)

by ischuldt

String enum

Is there a simple way to turn an enum into a string? so I have: enum UpdateType{ CC, RV, PK, }; so then I have a function that accepts t...

[2 replies] Last: I guess there is always the "Typesafe Enum" pattern from Java. Here is... (by Galik)

by dshillady

array/pointer access of different-sized sets?

Hello all. Let me start by saying that there have been similar questions and answers on this forum to mine, but I feel that my question is significantly diff...

[8 replies] Last: Great! Problem resolved. Thank you very, very much! (by dshillady)

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