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Rotating x axis labels in R for barplot

...xaxt="n") labs <- paste(names(table(mtcars$cyl)), "cylinders") text(cex=1, x=x-.25, y=-1.25, labs, xpd=TRUE, srt=45) share | improve this answer | follow |...
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Why are floating point numbers inaccurate?

...gnificand). A very simple number, say 9.2, is actually this fraction: 5179139571476070 * 2 -49 Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In ...
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Django Admin - change header 'Django administration' text

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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]

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Using an SSH keyfile with Fabric

... answered Mar 16 '11 at 23:35 ThomasThomas 5,83411 gold badge2626 silver badges4141 bronze badges ...
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ValueError: math domain error

... 134 Your code is doing a log of a number that is less than or equal to zero. That's mathematically...
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What is the difference between join and merge in Pandas?

...: import pandas as pd left = pd.DataFrame({'key': ['foo', 'bar'], 'val': [1, 2]}).set_index('key') right = pd.DataFrame({'key': ['foo', 'bar'], 'val': [4, 5]}).set_index('key') left.join(right, lsuffix='_l', rsuffix='_r') val_l val_r key foo 1 4 bar 2 5 The ...
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Show just the current branch in Git

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jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)

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How to filter a dictionary according to an arbitrary condition function?

... comprehension: {k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5} And in Python 3: {k: v for k, v in points.items() if v[0] < 5 and v[1] < 5} share | improve this answe...