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Search: Posts Made By: Dave Sinkula
Forum: C 6 Hours Ago
Replies: 5
Solved: Zeroing bits
Views: 82
Posted By Dave Sinkula
That kind of masking works just fine; it might be expressed more simply:
void *ans = (void*)((unsigned long)addr & ~0xfffUL);
(At least as far as manipulating bits of an integer. I don't know what...
Forum: C 9 Hours Ago
Replies: 3
Views: 65
Posted By Dave Sinkula
Used unsigned integral types when dealing with bits.

#include <stdio.h>
#include <stdlib.h>

int main()
{
unsigned short m1 = 0xf000, m2 = 0x0f00, m3 = 0x00f0, m4 = 0x000f;
printf("%hu...
Forum: C++ 1 Day Ago
Replies: 5
Views: 163
Posted By Dave Sinkula
time is a reserved identifier.
Forum: C++ 3 Days Ago
Replies: 5
Views: 144
Posted By Dave Sinkula
Huh?

If you're trying to open the file for input, you use this bit here:
ifstream inputFile;

Open the file and read it?
Forum: C 3 Days Ago
Replies: 3
Views: 139
Posted By Dave Sinkula
Use strcpy to copy a string. You've got more going wrong in that code, though. I think you're after something that might look a bit like this:
#include <string.h>

typedef struct
{
int age;...
Forum: C++ 3 Days Ago
Replies: 2
Views: 111
Posted By Dave Sinkula
How about a final else?

And don't use the comma here:
else if (numtick >100,000)
Forum: DaniWeb Community Feedback 3 Days Ago
Replies: 7
Views: 186
Posted By Dave Sinkula
Right. In every other forum I frequent, I change the font to Courier New. Once upon a time, we could do that here. And that is what I was trying to say.
Forum: DaniWeb Community Feedback 3 Days Ago
Replies: 7
Views: 186
Posted By Dave Sinkula
One way it was done ages ago elseweb was [code], [quote], and [syntax]. The syntax tags were used for the "fancy" code tags. Quote in monospace to me would look stupid.

[edit]Keeping the fonts,...
Forum: C++ 4 Days Ago
Replies: 20
Views: 290
Posted By Dave Sinkula
Related:
http://parashift.com/c++-faq-lite/input-output.html#faq-15.4
Forum: C++ 4 Days Ago
Replies: 6
Views: 153
Posted By Dave Sinkula
Well, choose your poison: multiple passes of the same file, or a single read with a buffer. Both are relatively simple, I'd recommend just examining what's there. Experiment a bit. Learning to code...
Forum: C++ 4 Days Ago
Replies: 6
Views: 153
Posted By Dave Sinkula
I suppose you could read the file to count the lines and then back up and only print the last 10.

Why the extra condition now?

Why don't you give the coding a shot first?
Forum: C++ 4 Days Ago
Replies: 6
Views: 153
Posted By Dave Sinkula
I'd just read all lines of the file into a circular buffer with 10 strings, each containing a line. When you get to the end of the file, you will have the last 10 lines stored.
#include <iostream>...
Forum: C 4 Days Ago
Replies: 5
Views: 159
Posted By Dave Sinkula
You'll need to make a lot of changes to your functions given this sort of pattern...

From (extraneous type needs to be removed, multiplication is done using *, feed the pow function the correct...
Forum: C++ 5 Days Ago
Replies: 20
Views: 290
Posted By Dave Sinkula
Well, if you don't get an integer because the user didn't enter a valid one, then "(x>0)" makes no sense either. You can do it your way by recognizing input failure and cleaning up the input stream....
Forum: C++ 5 Days Ago
Replies: 20
Views: 290
Posted By Dave Sinkula
I think the basics are here:
http://www.daniweb.com/tutorials/tutorial71858.html
Forum: C++ 5 Days Ago
Replies: 20
Views: 290
Posted By Dave Sinkula
My usual advice is to always read all user input as a string. If you want a numeric value, attempt to perform a conversion. If the conversion fails, issue a message or something; otherwise you...
Forum: C 5 Days Ago
Replies: 2
Views: 155
Posted By Dave Sinkula
fmod (http://web.archive.org/web/20050207005628/http://dev.unicals.com/papers/c89-draft.html#4.5.6.4)
Forum: C++ 6 Days Ago
Replies: 12
Views: 238
Posted By Dave Sinkula
You're going to return from main in one of two places:
int main ()
{
int number;
int counter = 0;
int flags = 1;
bool flag_none = true;
bool fag_yes = false;

cout << "Enter a number,...
Forum: C 6 Days Ago
Replies: 4
Views: 112
Posted By Dave Sinkula
I don't see that return c; line.
Forum: C++ 6 Days Ago
Replies: 12
Views: 238
Posted By Dave Sinkula
The following code is unreachable:
if (counter < 7 == true)
{
cout << "Number " << counter << " is between 10 and 500" << endl;
cout << "Number " << counter << " is not flagged. " << endl;
}...
Forum: C++ 6 Days Ago
Replies: 12
Views: 238
Posted By Dave Sinkula
[edit]Er, wait...
Forum: C 6 Days Ago
Replies: 4
Views: 112
Posted By Dave Sinkula
while((c = getchar())!= EOF)
And what does your function return for non-alpha input?
Forum: C 6 Days Ago
Replies: 3
Views: 146
Posted By Dave Sinkula
team temp[1];
This has only one element: temp[0].
temp[1] = teams1[(j-1)];
teams1[(j-1)] = teams1[j];
teams1[j] = temp[1];
Forum: C++ 7 Days Ago
Replies: 3
Views: 131
Posted By Dave Sinkula
http://en.wikipedia.org/wiki/Comparison_of_text_editors
Forum: C 7 Days Ago
Replies: 3
Views: 158
Posted By Dave Sinkula
++*count;
Forum: C 8 Days Ago
Replies: 11
Views: 404
Posted By Dave Sinkula
C89 is de facto standard for C, and it is also the base of the current C++ standard.
Forum: C++ 8 Days Ago
Replies: 3
Views: 120
Posted By Dave Sinkula
It could possibly be a gcc issue.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13741
Forum: C++ 8 Days Ago
Replies: 3
Views: 120
Posted By Dave Sinkula
I get an odd warning:
switch ( opcion ) // warning: unreachable code at beginning of switch statement
{
case 1:I think this has something to do with using the language extension VLA:
float...
Forum: C++ 9 Days Ago
Replies: 7
Views: 245
Posted By Dave Sinkula
The template thing is kind of a funky in-between in which an accepted solution is to in fact put the active code in the header:
Forum: C 9 Days Ago
Replies: 2
Views: 162
Posted By Dave Sinkula
Hmm.
But x should be an int, as that is what getchar returns.
Forum: C 9 Days Ago
Replies: 2
Views: 210
Posted By Dave Sinkula
Clean up the leftover newline in the input stream.
Forum: C++ 9 Days Ago
Replies: 7
Views: 245
Posted By Dave Sinkula
I had to patch some syntax errors to get to the link, so I'm not sure why you weren't seeing them. With regard to the linker errors:
http://parashift.com/c++-faq-lite/templates.html#faq-35.12 ?
Forum: C++ 11 Days Ago
Replies: 7
Views: 163
Posted By Dave Sinkula
Just sayin'.
#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;

int main(int argc, char *argv[])
{
/* Extract value for # of elements in array */
int i;
Forum: C++ 11 Days Ago
Replies: 7
Views: 163
Posted By Dave Sinkula
fin.open("numlist.dat");
fout.open("numlist.dat");
Perhaps first open for input. Then after you've extraced what you want and closed the file, then open the same file for output.
Forum: C++ 11 Days Ago
Replies: 9
Views: 202
Posted By Dave Sinkula
You might find such a thing here, perhaps in the snippets, maybe a previous forum thread. So a search might be helpful to you.
Forum: C 11 Days Ago
Replies: 2
Views: 172
Posted By Dave Sinkula
This is array of pointers to string literals:char *MONTH[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};String literals are not...
Forum: C 11 Days Ago
Replies: 5
Views: 219
Posted By Dave Sinkula
int main()
{
FILE *filetext;
FILE *filecopied;
char text[50];

filetext=fopen("filetext.txt","r");
filecopied=fopen("filecopied.txt","w");

if ( (filetext==NULL) ||...
Forum: DaniWeb Community Feedback 11 Days Ago
Replies: 90
Views: 4,706
Posted By Dave Sinkula
Yup. I need the flyover to remind me that it means multiquote.

Just press the "quick reply" button, or the "reply to thread" button :)[/QUOTE]Ah, but that's defeatured...
Forum: DaniWeb Community Feedback 11 Days Ago
Replies: 3
Views: 319
Posted By Dave Sinkula
I believe your expectation used to be the default behavior. The new default was an "upgrade" a while back. The compromise you see is the result of some complainin'. (If I remember things correctly.)
Forum: C++ 12 Days Ago
Replies: 3
Views: 155
Posted By Dave Sinkula
http://www.parashift.com/c++-faq-lite/templates.html#faq-35.12 ?
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