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Pandas aggregate count distinct

... This answer is outdated. You can now use nunique directly. See @Blodwyn Pig's solution below – Ted Petrou Nov 5 '17 at 20:07 ...
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Why can't an anonymous method be assigned to var?

...<T> type that takes a ref anything. var x2 = y=>123; We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?) var x3 = (int y)=>null; We don't know the return type, but it can't be void. The return type could be...
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Vertically align text to top within a UILabel

...size so the contents just fit: [myLabel sizeToFit] The labels frame is now just high and wide enough to fit your text. The top left should be unchanged. I have tested this only with the top left-aligned text. For other alignments, you might have to modify the frame afterward. Also, my label has...
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Maximum number of threads per process in Linux?

...sses, not the number of threads that exist. I have a machine running right now with 1200+ threads with a load of 0.40. – Robert Gamble Dec 5 '08 at 16:21 13 ...
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How to apply multiple transforms in CSS?

... so noway to split them into multiple lines – aWebDeveloper Jan 29 '14 at 18:53 2 ...
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How to evaluate a math expression given in string form?

...an(Math.toRadians(x)); else throw new RuntimeException("Unknown function: " + func); } else { throw new RuntimeException("Unexpected: " + (char)ch); } if (eat('^')) x = Math.pow(x, parseFactor()); // exponentiation ret...
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib

... I have no loaded php.ini right now. Basically I'm looking for the directory with the "recommended" php.ini template. – Orun Feb 18 '12 at 17:19 ...
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Create new tmux session from inside a tmux session

... Wed Jan 13 11:31:38 2016) [204x54] New session from within tmux We are now inside or better known as attached to our target session. If we try to create a new session while attached it will result in a nesting error. $ tmux new -s bar > sessions should be nested with care, unset $TMUX to fo...
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What is the difference between Spring's GA, RC and M2 releases?

Spring's 3.0 version is now GA release, before that they have launched 3.0 RC1 , RC2 version Also, there was Spring 3.0 M2 version. What's the difference between GA, RC, M versions? ...
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Visual Studio Immediate window: how to see more than the first 100 items

... I know this is way late. However, If you add your object to the watch window. Expand the properties, where all are displayed. Then Ctrl-A and Copy. You can then paste in excel to get an organized list of properties and their val...