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What is Bit Masking?
...ou could first do the mask, then the shift. The results are the same, but now you would have to use a different mask:
uint32_t byte3 = (value & 0xff00) >> 8;
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Undefined symbols for architecture arm64
...these files to be 64 bit compatible, that seems like a bit of overkill for now.
EDIT: Some people also reported that setting Build For Active Architectures to YES was also necessary to solve this problem.
As of 2014-04-28 the setting should look something like this:
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How do you serialize a model instance in Django?
... assuming obj is your model instance
dict_obj = model_to_dict( obj )
You now just need one straight json.dumps call to serialize it to json:
import json
serialized = json.dumps(dict_obj)
That's it! :)
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ing a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. Now, numpy-sharedmem seems to be the way to go, but I've yet to see a good reference example. I don't need any kind of locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a ...
importing pyspark in python shell
... The other solutions didn't work for me. I am using findspark for now in my program. Seems like a decent workaround to the problem.
– Analytical Monk
Oct 15 '16 at 8:11
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How to set selected value of jquery select2?
...avaScript solutions. Looking for another jQuery/Bootstrap Select2 dropdown now (2 days of fiddling every conceivable method - no joy!)
– MC9000
Nov 5 '16 at 5:17
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How to enumerate an object's properties in Python?
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now how to change the value? in Javascript you could do: object[property] = newValue. How to do it in Python?
– Jader Dias
Aug 9 '09 at 18:32
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Can anyone explain python's relative imports?
...nit__.py
./pkg/sub/relative.py
With start.py:
import pkg.sub.relative
Now pkg is the top level package and your relative import should work.
If you want to stick with your current layout you can just use import parent. Because you use start.py to launch your interpreter, the directory where ...
iOS UIImagePickerController result image orientation after upload
...ft:
case UIImageOrientationRight:
break;
}
// Now we draw the underlying CGImage into a new context, applying the transform
// calculated above.
CGContextRef ctx = CGBitmapContextCreate(NULL, self.size.width, self.size.height,
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Extracting bits with a single multiplication
... In the above case, your mask would be 00100100 and the result 00a00b00.
Now the hard part: turning that into ab.......
A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place.
Multip...