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How to re-raise an exception in nested try/except blocks?
...ument form of raise:
try:
something()
except SomeError:
t, v, tb = sys.exc_info()
try:
plan_B()
except AlsoFailsError:
raise t, v, tb
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Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
13
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Get nth character of a string in Swift programming language
...uence { self[..<index(startIndex, offsetBy: range.upperBound)] }
}
To convert the Substring into a String, you can simply
do String(string[0..2]), but you should only do that if
you plan to keep the substring around. Otherwise, it's more
efficient to keep it a Substring.
It would be great if s...
What are type lambdas in Scala and what are their benefits?
Sometime I stumble into the semi-mysterious notation of
4 Answers
4
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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...ng the way.
What do these methods do?
AsEnumerable and AsQueryable cast or convert to IEnumerable or IQueryable, respectively. I say cast or convert with a reason:
When the source object already implements the target interface, the source object itself is returned but cast to the target interface. ...
multiprocessing: sharing a large read-only object between processes?
...y.
The child parts are pleasant to write because each child simply reads sys.stdin.
The parent has a little bit of fancy footwork in spawning all the children and retaining the pipes properly, but it's not too bad.
Fan-in is the opposite structure. A number of independently running processes ...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...n the names, but what specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
4 Answers
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How do I convert a datetime to date?
How do I convert a datetime.datetime object (e.g., the return value of datetime.datetime.now()) to a datetime.date object in Python?
...
Execute code when Django starts ONCE only?
... EDIT: A possible hack is to check the command lines arguments any(x in sys.argv for x in ['makemigrations', 'migrate'])
– Conchylicultor
Oct 29 '16 at 19:31
3
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How to convert a Drawable to a Bitmap?
... I think I found something: if "draw" is the drawable I want to convert to a bitmap then: Bitmap bitmap = ((BitmapDrawable)draw).getBitmap(); does the trick!
– Rob
Jun 14 '10 at 9:29
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