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In Python, using argparse, allow only positive integers
...zing type. You'll still need to define an actual method that decides this for you:
def check_positive(value):
ivalue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = argparse.ArgumentParser(.....
Java Persistence / JPA: @Column vs @Basic
...tations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
4 Answers
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WPF Blurry fonts issue- Solutions
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The problem boils down to WPF needing a linearly scaling font-renderer for smooth animations. Pure ClearType on the other hand takes quite a bit of freedom with the font to push vertical stems into the next pixel.
The difference is obvious if one compares the classic "cascade" pattern. WinForms...
Pretty git branch graphs
...nches and commits. How can I make high-quality printable images of git history?
33 Answers
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Set scroll position
...
Also worth noting window.scrollBy(dx,dy) (ref)
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What does the NS prefix mean?
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...or perhaps the NeXT/Sun heritage (Sun was a participant in the OpenStep consortium)
– Barry Wark
Aug 8 '12 at 15:33
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What is the Scala annotation to ensure a tail recursive function is optimized?
...ve function. Do you just put it in front of the declaration? Does it also work if Scala is used in scripting mode (for instance using :load <file> under REPL)?
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How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
42
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Use of “global” keyword in Python
...nd from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global .
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How to set a bitmap from resource
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Assuming you are calling this in an Activity class
Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.image);
The first parameter, Resources, is required. It is normally obtainable in any Context (and subclasses like Activity).
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