General C++ Programming - July 2010 (Page 3)

by justinformed
NTLM Encryption
 
I am trying to convert a given string into an LM hash. Since there are no libraries (that I could find anyway) i went on wikipedia and am in the process of usin...
[14 replies] Last: yes thats what I used for the perl script (by justinformed)
by ischuldt
stdint.h use question
 
is there a namespace alias I need to use in order to reference the fields in stdint.h? I included stdint.h in a program I'm using, and I'm trying to set a ...
[6 replies] Last: Dealing with these things in a portable way always gives me pause for ... (by kbw)
by Sarah89
Error in compiling header files
 
Hi everyone..... I am using red hat linux server 5.1, and all the packages are installed. I dont have "list.h" (header file) in my gcc comipler, as well as th...
[14 replies] Last: You should post the code, the exact error message you're getting and h... (by Athar)
by und3rgroundh3ro
Cross platform programming with QT
 
I'm trying to enter the world of GUI programming, I keep reading that QT is cross platform. To what degree is it cross platform? Can I take code I wrote and com...
[3 replies] Last: and mobile devices (by yoyowinwin)
by captopa
search text file to display line from that file
 
i have a homework assignment that states write a program that has an array of at least 10 string objects that hold people's names and phone numbers. Becky W...
[1 reply] : What specific problems are you having? I don't really want to compile ... (by Zhuge)
by sgssn
Numerical integration of data
 
Hello i have data blocks of measurement-data from an acceleration sensor. But I need the displacement. By integration of this data two times i should get th...
[4 replies] Last: I guess you have a second order ODE: d''u/dt = f(); u'(0) = k; u(0... (by memecs)
by togikan
Detecting Virtualization
 
If it is possible how can i detect virtualizaton on 64bit virtual machines? In 32 bit system it can be with lower level (inline assembly) programming but in 64 ...
[2 replies] Last: http://www.cplusplus.com/forum/general/26387/ (by moorecm)
by bigearsbilly
correct cast for a void *
 
I was wondering what the consensus is. I have a class blob which I pass to a callback of void * Is this the correct idiom to cast if I pass in a blob *...
[6 replies] Last: thank you people. thank you jsmith I will take a look at that code.... (by bigearsbilly)
by CaptainBlood
How to code a function that finds roots of numbers?
 
I'm making a calculator and have so far made addition, subtraction, division, multiplication, raise to the power, and fractorial, but I want to make the option ...
[2 replies] Last: Thanks Athar, That's exactly what I was looking for :) (by CaptainBlood)
by closed account 9iEAC542
can anyone say what does this syntax is?
 
defineTypeNameAndDebug(SpalartAllmaras, 0); addToRunTimeSelectionTable(turbulenceModel, SpalartAllmaras, dictionary); // * * * * * * * * * * * * Private...
[1 reply] : tmp is a template class, specialised by class volScalarField. You s... (by kbw)
by JBtje
Packet Sniffer
 
Hello there, A few years ago I found the source of a packet sniffer for C++. After some editing, I was able to use it to read the TCP connection of a certain...
[1 reply] : Have a look at WinPCAP. That's a port of libpcap to Windows. libpcap... (by kbw)
by molocas
Just load a text file in memory block
 
I have created a unsigned short TXTBuffer I want to put there an existing text file. Need soome code to do this Thanks all of you Regards Molocas
[2 replies] Last: #include <fstream> #include <iterator> #include <algorithm> #inc... (by Denis)
by pruns
output based on input...
 
I'm trying to make a program that gives an output in matrix format 2 columns but the rows depends on one of the input numbers. here is a copy of my code and In ...
[1 reply] : I don't quite understand your problem.... You want the output to be... (by attaboy)
by harsh4u89
C++ program to find largest prime factor of a number (1,2)
 
Please tell me the way to implement a c++ program to find the largest prime factor of a given number. A hint would work. Thank you
[21 replies] Last: Some theory: A number is prime if it cant be divided by any prime num... (by ne555)
by und3rgroundh3ro
C++ Tutorial Excercises
 
Hi, I'm starting a set of excercises and tutorials that will accompany the C++ tutorial here on this site. The goal is to start out (requiring no prior programm...
[9 replies] Last: Okay, so the question still stands, would anybody be intrested in a tu... (by und3rgroundh3ro)
by Leegit
Seg Fault from While Loop till Null
 
I am trying to loop through a char array until I hit the null character and I seem to be getting a segmentation fault on the while loop section... Here is co...
[1 reply] : There's nothing wrong with the code parts you posted, so the problem m... (by Athar)
by rampage1
Dynamic Programming
 
I am just unable to get the hang of dp. I know what I've to do but am just unable to implement it. E.g this practice problem from 'Codechef' http://www.codech...
[2 replies] Last: and how do I keep updating the colors of the mixtures for diff k and ... (by ne555)
by chrisholdin
string.at error
 
i need some advice i cant get the results im looking for and im completely lost. i want to take only the THIRD character of a 5 letter string and cout the corr...
[4 replies] Last: switch(item.at(2)==letter) This is either true or false, not B, W, ... (by ne555)
by zuwaka
2D Dynamic Arrays (1,2)
 
I'm having troubles with some code. I'm trying to implement a dynamic 2D vector class. I've been working on it for the past weeks, and nothing I've tried worked...
[31 replies] Last: That's exactly what my class would be. I'm not a fan of vector<vect... (by Disch)
by GMXeon
Nested structures in a function call
 
I'm attempting to initialize a structure in a function call, can this be done? The compiler simply gives me an error that it expects ')' before '{'. The code...
[5 replies] Last: ^_^ (by m4ster r0shi)
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