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wkhtmltopdf: cannot connect to X server

... 206 or try this (from http://drupal.org/node/870058) Download wkhtmltopdf. Or better install it w...
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How to check if a value exists in a dictionary (python)

...rative timing: >>> T(lambda : 'one' in d.itervalues()).repeat() [0.28107285499572754, 0.29107213020324707, 0.27941107749938965] >>> T(lambda : 'one' in d.values()).repeat() [0.38303399085998535, 0.37257885932922363, 0.37096405029296875] >>> T(lambda : 'one' in d.viewvalue...
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Difference between DateTime and Time in Ruby

... Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is p...
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Is there a way to 'uniq' by column?

... delimiter -k1,1 for the key field 1 Test result: overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0 stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1 share | ...
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In javascript, is an empty string always false as a boolean?

... | edited Jun 20 at 9:12 Community♦ 111 silver badge answered Jan 1 '12 at 12:09 ...
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Further understanding setRetainInstance(true)

...w. (This is edited a bit to make it easier to read.) TestActivity@415a4a30: this() TestActivity@415a4a30: onCreate() TestActivity@415a4a30: Existing fragment not found. TestFragment{41583008}: this() TestFragment{41583008} TestFragment{41583008}: onAttach(TestActivity@415a4a30) TestFragment{415830...
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How to get the first column of a pandas DataFrame as a Series?

...ataFrame({'x' : [1, 2, 3, 4], 'y' : [4, 5, 6, 7]}) >>> df x y 0 1 4 1 2 5 2 3 6 3 4 7 >>> s = df.ix[:,0] >>> type(s) <class 'pandas.core.series.Series'> >>> =========================================================================== UPDATE If...
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What is the best Battleship AI?

... +450 I second the motion to do a lot more games per match. Doing 50 games is just flipping a coin. I needed to do 1000 games to get any r...
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C# short/long/int literal format?

... var d = 1.0d; // double var d0 = 1.0; // double var d1 = 1e+3; // double var d2 = 1e-3; // double var f = 1.0f; // float var m = 1.0m; // decimal var i = 1; // int var ui = 1U; // uint var ul = 1UL; // ulong var l =...
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How do I round to the nearest 0.5?

... 208 Multiply your rating by 2, then round using Math.Round(rating, MidpointRounding.AwayFromZero), ...