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Python argparse: default value or specified value

... 286 import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?',...
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What is :: (double colon) in Python when subscripting sequences?

... 257 it means 'nothing for the first argument, nothing for the second, and jump by three'. It gets ...
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Map Tiling Algorithm

...are already found in the first square. This means that there in total are 12 different cases we must distinguish between. Now, looking at one edge tile we can determine which way the boundary turns by looking at its four closest neighbour tiles. Marking an edge tile with X just as above we have the...
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What does 'synchronized' mean?

...hout the synchronized keyword, your thread 1 may not see the change thread 2 made to foo, or worse, it may only be half changed. This would not be what you logically expect. Again, this is a non-trivial topic in Java. To learn more, explore topics here on SO and the Interwebs about: Concurrenc...
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Drawing Isometric game worlds

What is the correct way to draw isometric tiles in a 2D game? 6 Answers 6 ...
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How do I remove leading whitespace in Python?

I have a text string that starts with a number of spaces, varying between 2 & 4. 5 Answers ...
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What is the maximum characters for the NVARCHAR(MAX)?

I have declared a column of type NVARCHAR(MAX) in SQL Server 2008, what would be its exact maximum characters having the MAX as the length? ...
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Python Infinity - Any caveats?

... not get an inf value through usual arithmetic calculations: >>> 2.0**2 4.0 >>> _**2 16.0 >>> _**2 256.0 >>> _**2 65536.0 >>> _**2 4294967296.0 >>> _**2 1.8446744073709552e+19 >>> _**2 3.4028236692093846e+38 >>> _**2 1.15792089...
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How to get correct timestamp in C#

... | edited Sep 26 '14 at 7:05 answered Jan 19 '14 at 17:05 ...
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how to get the current working directory's absolute path from irb

... 521 Dir.pwd seems to do the trick. http://ruby-doc.org/core/Dir.html#method-c-pwd ...