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Type: Posts; User: Salem

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1. ## Thread: Can I assign address of pointer to array ?

by Salem
Replies
7
Views
153

### Is data_print really an ISR capable of only...

Is data_print really an ISR capable of only printing one character at a time to some external device?
2. ## Thread: Can I assign address of pointer to array ?

by Salem
Replies
7
Views
153

### Well no, you can't assign the contents of what a...

Well no, you can't assign the contents of what a pointer points to to an array.

That's why we have functions like strcpy.

You should find a way of solving your question without so many messy...
3. ## Thread: Center Window inside another Window?

by Salem
Replies
5
Views
199

### > Does anyone know the calculation to do that? ...

> Does anyone know the calculation to do that?
Pencil, paper - and a bit of geometry.

> I can calculate how to center a window on the desktop screen.
Try doing the same, but introduce a left=0...
4. ## Thread: Box blur implementation

by Salem
Replies
4
Views
113

### > float red2 = image[i][j + 1].rgbtRed; All...

> float red2 = image[i][j + 1].rgbtRed;
All these +1 and +2 are going to overflow your array bounds at the limits of your loops.

float red = 0;
float green = 0;
float blue = 0;
for ( int x...
5. ## Thread: Did the posts in this subforum get deleted?

by Salem
Replies
2
Views
214

### Scroll down to the "Show threads from the..."...

Scroll down to the "Show threads from the..." drop-down box.
6. ## Thread: sorting array in increasing order

by Salem
Replies
13
Views
300

### > return (*(int *)ap > *(int *)bp) - ( *(int *)ap...

> return (*(int *)ap > *(int *)bp) - ( *(int *)ap < *(int *)bp );
Unnecessarily terse, and contains a bug.
Try again.
7. ## Thread: sorting array in increasing order

by Salem
Replies
13
Views
300

### > printf("%d", list[j]); Move it into the i...

> printf("%d", list[j]);
Move it into the i loop, and print subscript i instead.

Also, you don't need an array of temp, just one.
8. ## Thread: sorting array in increasing order

by Salem
Replies
13
Views
300

### You're not swapping anything at line 17. Swaps...

You're not swapping anything at line 17.

Swaps typically take 3 lines of code.
9. ## Thread: how to pass values into getchar in gdb

by Salem
Replies
3
Views
141

### Have you tried pressing 9 and then enter?

Have you tried pressing 9 and then enter?
10. ## Thread: Diamond input in c

by Salem
Replies
6
Views
348

### So instead of learning how to solve a problem,...

So instead of learning how to solve a problem, the OP has learnt that eventually, some schmuck will do their work for them.
11. ## Thread: Help on reading correctly the image...

by Salem
Replies
12
Views
347

### > width = bmih.biWidth; if (width%4 != 0) width...

> width = bmih.biWidth; if (width%4 != 0) width += (4-width%4);
This is wrong.

If you have a width of 9 pixels, and 3 bytes per pixel, you have 27 bytes of pixel data per row.

It is the...
12. ## Thread: trying to understand a program via GDB

by Salem
Replies
3
Views
182

### > In order to run this program, the following is...

> In order to run this program, the following is done
> ./justify <quote
TBH, I would add a second option to justify, namely to open the file supplied as a command line argument.

As in...
13. ## Thread: Prime Factor

by Salem
Replies
3
Views
140

### Cross-posted here -> Prime Factor - C And C++ |...

Cross-posted here -> Prime Factor - C And C++ | Dream.In.Code
14. ## Thread: Diamond input in c

by Salem
Replies
6
Views
348

### You start by breaking the problem down into...

You start by breaking the problem down into simpler problems.

Like for example, by trying to draw a cross and then an empty diamond

....0.....
....0.....
....0.....
....0.....
000000000.
15. ## Thread: Wierd bug in bignum left shift function

by Salem
Replies
35
Views
510

### > adds another point of entry via symlnk or...

> adds another point of entry via symlnk or whatever it was for malicious software, the fewer points the better
This is just BS and FUD.

What you describe only works for dynamic link libraries,...
16. ## Thread: Help on reading correctly the image...

by Salem
Replies
12
Views
347

### > unsigned char ee_image[2048][2048]; Another...

> unsigned char ee_image[2048][2048];
Another thing to watch out for is your stack usage.

Your familiar OS usually restricts stack usage to between 1MB and 8MB.
You just burned 4MB in a single...
17. ## Thread: Converting all extracted substrings to array type Byte

by Salem
Replies
3
Views
234

### Like this? OK, so when I change the 6 to 16...

Like this?

OK, so when I change the 6 to 16 in this
> m.second = str.substr(index, 16);

I get

\$ g++ -std=c++11 foo.cpp
18. ## Thread: Error: assignment of i_value in read-only object

by Salem
Replies
27
Views
657

### When you delete the last record, you also need to...

When you delete the last record, you also need to do
current->record_list = NULL;
19. ## Thread: Error: assignment of i_value in read-only object

by Salem
Replies
27
Views
657

### Well at the moment, add_record doesn't add/remove...

Well at the moment, add_record doesn't add/remove any of the nodes within the keylist.
Adding a record to one of the nodes doesn't change the overall arrangement of nodes, so there is no need to...
20. ## Thread: app rule not found despite being there

by Salem
Replies
14
Views
413

### Maybe make clean also a phony target.

Maybe make clean also a phony target.
21. ## Thread: app rule not found despite being there

by Salem
Replies
14
Views
413

### > cc -fPIE -shared -Wall -Wextra -o alu_bit.o...

> cc -fPIE -shared -Wall -Wextra -o alu_bit.o alu_bit.c
All your .c.o rules need to pass the -c command line option to cc.

You compile (only) all the .c files into .o files in the first instance....
22. ## Thread: I dont know whats going on with my program

by Salem
Replies
6
Views
499

### You need to study how printf and scanf work. ...

You need to study how printf and scanf work.

\$ gcc -Wall foo.c
foo.c: In function ‘initStructs’:
foo.c:47:25: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type...
23. ## Thread: Variant to replace a union but is “undeclared identifier”

by Salem
Replies
6
Views
129

### Maybe say which variant you mean. std::cout...

Maybe say which variant you mean.

std::cout << "Content of var is: " + std::to_string(std::get<int>(var));
24. ## Thread: Variant to replace a union but is “undeclared identifier”

by Salem
Replies
6
Views
129

### c++ - How to enable C++17 compiling in Visual...

c++ - How to enable C++17 compiling in Visual Studio? - Stack Overflow

Or
g++ -std=c++17 prog.cpp
25. ## Thread: how to return specific string pattern from input string if searched pattern Found.

by Salem
Replies
6
Views
228

### Lookup the strstr() function.

Lookup the strstr() function.
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