If the size is determined at runtime you need a full fleged dynamic memory version. Something like


#include <iostream>


int **allocs(int x,int y){
int **ret = new int*[x];
for(int...

Just try to do the program,
when its done, it should be clear what should be pointers.

Hi omir
People are normally quite friendly inhere,
but you should ask a specific question.

good luck

So you essentially want a truthtable.
The dimension of this truthtable is n*2^n, where n is the number of coin throws.
I once did this program, and I have to agree with you,
it was annoyingly...

Hi I got a code that in pseudo dos something like


ifstream os;
while(os.oef()){
os.getline(buffer,length);
}


If some condition is met,

What would your rule be for definingen when a token/line is invalid?
I would check the the number of tokens in each class is first 2, then 8

Or do you want a more elaborate check?

skynet

Ahh, cheers
Thanks!
This will come in handy

I'm aware of the fact that I can tokenize the entire string,
but if I (dependent on the first token) just want the rest of the line,
without the need to tokenize it. How do I do that

If I simply just want to tokenize the first element of a string and then output the remainder of the string, how can this be accomplished?

thanks

#include <stdio.h>
#include <string.h>

int...

Thanks ppl,
I need to keep track of the indices,
so the strtok approch wont work.

But thanks again.

Hi,
given a cstring, I need to extract the digits in it, the digits are prefixed with either a '+' or '-'. Like

,.,.,.,+3ACT,.,.,.,.-12,.,.,.,.,.,.,.,actgncgt
#OUTPUT
3
12


I've made a...

post your compile errors

Could you try doing a
'ldd libPixyCANopen.so'

I normally wont go into small errors in other peoples posting,
but it should be noted that code::blocks is an ide.
The compiler is most likely(depending on the setup) the mingw compiler. The mingw...

It's shouldn't be necessary to use extern,
generally you have access to all the public variables and function in the symboltable, but only the externed are required to have the same signature, from...

I think it depends on what you are doing with the file.
I've found that the FILE, strtok is by far the fastest way of reading in data.
I've been using flat files, (same number of columns in all...

Yes,
you've added 'delete []', and have to dereference the double pointers.

Thanks for your help again ancient dragon.

Thanks ancient dragon,
the trick was passing a pointer pointer then.

@arkm

The programming problem is simple.
check if a char* contains a trailing slash,
otherwise update the char*, so that...

Hmm thanks for the char[] approach.

But I cant nail down my problem with the updated cstring.
The following code


#include<iostream>
#include<cstring>

void fix_name(char *name){

Hi
I'm having a very basic newbie problem,
The compiler forces me to do a strdup (because of cons correctness),
can I void the extra line in my code, and then I cant seem to update my array
after...

Cheers arkM,

I will for sure look into this.

The avl is not part of the stl right?
So I have to make this one up.


As it is, the lookup map, takes aprox 3-4 gig memory,
I have 8 gig, but...

I'm parsing 900 gig of textfiles
Using std::string as opposed to char* directly from getline,
takes around 40-60% longer.

Thanks for your response.

Is the const_cast necessary because i definded my map as a

typedef std::map <const char*,int> aMap;

instead of

typedef std::map <char*,int> aMap;

Cheers arkM,

I have no idea what happened here...

But the const_cast is not really necessary, is it?

For anyone that cares,
this seems to do the trick.
But it is important that the item decleration is used directly at the assignmen operator


my_map::value_type item = *it;
data.erase(it);...

Just out of curiosity, what languages should be faster?
Assembler, fortran?

Hi,


Question
Why does valgrind complain?

Conditional jump or move depends on uninitialised value(s)
==25636== at 0x4C26D29: strlen (mc_replace_strmem.c:242)
==25636== by 0x40060A:...

Thanks people,
very helpfull indeed.

Thanks

Hi I stumpled upon some c-code,
which syntactically is different from what I've seen before.

first

void strreverse(char* begin, char* end) {
char aux;
while(end>begin)
aux=*end,...

Well, this isn't at the bitlevel,

you are interpreting the ascii values '0' '1' as bit 0 and bit 1.

If you are interested in this bitlevel stuff,
you should look into the shift operations....

Yes I know,
this is what I write in my original post.

How do I free the memor, that I've allocated.

It's in the nature of finite precision.
Theres not much you can do about it.

there a basicly two kinds of datatypes.
1. integral
2. float

integral being, int, char, byte etc
floats being,...

Hi,
can anyone tell me why i can't clean up the memory,
and maybe a small solution.

I'm allocing memory with strdup for each key,
but I cant figure out how to erase the key with free.

Before...

What have you included,
this doesn't look like std c++

void initialize_file(Horses temp_array[]) {
string line;
ifstream HorsesFile ("HorsesFile.txt");
if (HorsesFile.is_open()) {
while (! HorsesFile.eof() ) {
getline (HorsesFile,line);
...

Write an example on datainput, and dataoutput,
like


int inPut=1234;
char *output= \\how do I convert 1234 to char*

I think this is an excellent example of why humans shouldnt use automated translation programs. Like babelfish and translate.google.

I understand he wants to write a calculator that uses polish...

So whats the problem?

If you want to read in a matrix you need some considerations.

First of all you need some cind of datastructure to have the data in some datatype.

A int** would be very suitable.

But you need...