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Algorithm for Determining Tic Tac Toe Game Over

... 6 You forgot to check the anti-diagonal. – rampion Jun 29 '09 at 4:27 ...
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How to check whether a pandas DataFrame is empty?

... Dave Thomas 1,38922 gold badges1010 silver badges1616 bronze badges answered Nov 7 '13 at 5:55 aIKidaIKid 19.4k44 gold badges353...
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C# Thread safe fast(est) counter

... 263 This would be simpler: return Interlocked.Increment(ref COUNTER); MSDN Interlocked.Increment...
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How do you get the width and height of a multi-dimensional array?

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Concatenating two one-dimensional NumPy arrays

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Selecting data frame rows based on partial string match in a column

... mpg cyl disp hp drat wt qsec vs am gear carb # Merc 240D 24.4 4 146.7 62 3.69 3.19 20.0 1 0 4 2 # Merc 230 22.8 4 140.8 95 3.92 3.15 22.9 1 0 4 2 # Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4 # Merc 280C 17.8 6 167.6 123 3.92 3.44 18.9 1 0 4...
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New Array from Index Range Swift

... Cezary WojcikCezary Wojcik 20.7k66 gold badges3434 silver badges3636 bronze badges ...
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Logging framework incompatibility

... You are mixing the 1.5.6 version of the jcl bridge with the 1.6.0 version of the slf4j-api; this won't work because of a few changes in 1.6.0. Use the same versions for both, i.e. 1.6.1 (the latest). I use the jcl-over-slf4j bridge all the time and...
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How do I create an average from a Ruby array?

... 260 Try this: arr = [5, 6, 7, 8] arr.inject{ |sum, el| sum + el }.to_f / arr.size => 6.5 Note...
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Remove duplicated rows using dplyr

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