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I'm getting this error:
expected '=', ',', ';', 'asm' or 'attribute' before 'typedef'
and not only once but 3 times when I run my application but this is the driver that has the errors "timers.h":
#ifndef TIMERS_H_
#define TIMERS_H_
#include "../../Utilities/registers.h"
#include <stdio.h>
typedef enum timerPreScaler
{
noPreScaler, preScaler8, preScaler64, preScaler256,preScaler1024,extClkRising,extClkFalling
}timerPreScaler;
typedef enum timerMode
{
NORMAL, PWM_PHASE_CORRECT, CTC, FAST_PWM
}timerMode;
int timer0Init(uint8_t initialValue);
int timer0Mode(timerMode mode);
int timer0Start(timerPreScaler preScale);
void timer0Stop(void);
void waitOverflow(void);
#endif /* TIMERS_H_ */`
the error indicates line 77 in inttypes.h which is not even included only stdio.h is included
I tried to include inttypes.h nothing happened getting the exact result
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*warning: iteration 5u invokes undefined behavior [-Waggressive-loop-optimizations]
if([user1 isEqualToString:account1[i].name])
^
main.m:33:2: note: containing loop
for(i=0;i<=6;i++)
^
please somebody correct this code
Almost certainly you have:
Thing account1[6] = { ... };
for (i = 0; i <= 6; i++)
{
if ([user1 isEqualToString:account1[i].name])
and the compiler knows that <= 6 will go beyond the bounds of the array (last index is 5 not 6).
To correct:
for (i = 0; i < 6; i++)
^
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Closed 8 years ago.
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I'm trying to generate a random number between 0 and 3 by saying
int i = arc4Random() % 3;
but it keeps giving me the warning "implicit declaration of function 'arc4Random' is invalid in c99
Try it without the capital r
int i = arc4random() % 3;
You have a capital "R" in arc4Random. Should be: int i = arc4random % 3;.
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I'm trying to figure out how to write this block method in swift. I can't seem to get the closure syntax right:
[self.colorPickerView setDidChangeColorBlock:^(UIColor *color){
self.selectedColor.backgroundColor = self.colorPickerView.color;
}];
Thanks in advance!
What i tried:
self.colorPickerView.didChangeColorBlock({
(color: UIColor) in self.selectedColorView.backgroundColor = self.colorPickerView.color
})
Final Solution:
self.colorPickerView.didChangeColorBlock = {
(color: UIColor!) in
self.selectedColorView.backgroundColor = color
}
You probably need to use
self.colorPickerView.didChangeColorBlock = { ...
instead of
self.colorPickerView.didChangeColorBlock({ ...
Since didChangeColorBlock is a property, not a method.
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Found this bit of code...
if(fabs([tempPlacemark getCoordinate].latitude-latitude) < latDelta && fabs([tempPlacemark getCoordinate].longitude-longitude)<longDelta )
...
refers to this in Math.h:
extern float fabsf(float);
extern double fabs(double);
extern long double fabsl(long double);
So what am I looking at?
double fabs( double ) - returns the absolute value of the argument
NSLog(#"res: %.f", fabs(10)); //result 10
NSLog(#"res: %.f", fabs(-10)); //result 10
found here.
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int RandomSource_next(int bits, double* seed) {
*seed = (((long long) *seed * 0x5DEECE66DLL) + 0xBLL) & ((1LL << 48) - 1);
return (int)((signed long long) *seed >> (48 - bits));
}
I think it got something to do with the address.
Most probably you are passing incorrect address as seed. Maybe you're passing not an address but a value?
The following should work
double seed = 0;
RandomSource_next(48, &seed);
The following should crash
RandomSource_next(48, 0);