On 12/12/2012 12:29 PM, Dave Angel wrote:
On 12/12/2012 03:11 PM, Wanderer wrote:
I have a program that has a main GUI and a camera. In the main GUI,
you can manipulate the images taken by the camera. You can also use
the menu to check the camera's settings. Images are taken by the
camera in a s
On Thursday, December 13, 2012 11:54:10 AM UTC-5, Dave Angel wrote:
> On 12/13/2012 11:36 AM, Wanderer wrote:
>
> >
>
> >
>
> > Thanks. Why Non-blocking?
>
>
>
> You said you didn't want the GUI to lock up. Non-blocking lets you
>
> choose alternative action when you would otherwise have t
On 12/13/2012 11:36 AM, Wanderer wrote:
>
>
> Thanks. Why Non-blocking?
You said you didn't want the GUI to lock up. Non-blocking lets you
choose alternative action when you would otherwise have to wait for the
resource.
--
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On Wednesday, December 12, 2012 3:53:28 PM UTC-5, MRAB wrote:
> On 2012-12-12 20:11, Wanderer wrote:
>
> > I have a program that has a main GUI and a camera. In the main GUI, you can
> > manipulate the images taken by the camera. You can also use the menu to
> > check the camera's settings. Imag
On Thu, Dec 13, 2012 at 3:26 AM, Alexander Blinne wrote:
> I have a general question about this kinds of things. I see that the
> above is a common use case for some kind of lock which does this
> testing/locking atomically. But the question is: if I know for sure that
> there is no other thread t
Am 12.12.2012 21:29, schrieb Dave Angel:
> On 12/12/2012 03:11 PM, Wanderer wrote:
>> I have a program that has a main GUI and a camera. In the main GUI, you can
>> manipulate the images taken by the camera. You can also use the menu to
>> check the camera's settings. Images are taken by the came
On 2012-12-12 20:58, Ian Kelly wrote:
On Wed, Dec 12, 2012 at 1:53 PM, MRAB wrote:
You could try a non-blocking semaphore:
def __init__(self):
self.cameraActive = Semaphore()
Why a Semaphore and not just a plain old Lock?
Good point. I probably thought of a semaphore because the OP men
On Wed, Dec 12, 2012 at 1:53 PM, MRAB wrote:
> You could try a non-blocking semaphore:
>
> def __init__(self):
> self.cameraActive = Semaphore()
Why a Semaphore and not just a plain old Lock?
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On 2012-12-12 20:11, Wanderer wrote:
I have a program that has a main GUI and a camera. In the main GUI, you can
manipulate the images taken by the camera. You can also use the menu to check
the camera's settings. Images are taken by the camera in a separate thread, so
the long exposures don't
On 12/12/2012 03:11 PM, Wanderer wrote:
> I have a program that has a main GUI and a camera. In the main GUI, you can
> manipulate the images taken by the camera. You can also use the menu to check
> the camera's settings. Images are taken by the camera in a separate thread,
> so the long exposu
I have a program that has a main GUI and a camera. In the main GUI, you can
manipulate the images taken by the camera. You can also use the menu to check
the camera's settings. Images are taken by the camera in a separate thread, so
the long exposures don't block the GUI. I block conflicts betwe
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