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How to include an '&' character in a bash curl statement

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Simultaneously merge multiple data.frames in a list

... = 1:3, stringsAsFactors=FALSE) y <- data.frame(i = c("b","c","d"), k = 4:6, stringsAsFactors=FALSE) z <- data.frame(i = c("c","d","a"), l = 7:9, stringsAsFactors=FALSE) Update June 2018: I divided the answer in three sections representing three different ways to perform the merge. You proba...
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while (1) Vs. for (;;) Is there a speed difference?

...op vK/2 ->a 3 <{> enterloop(next->8 last->9 redo->4) v ->4 - <@> lineseq vK ->9 4 <;> nextstate(main 1 -e:1) v ->5 7 <@> print vK ->8 5 <0> pushmark s ->6 6 <$> const[PV "foo\n"...
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How to remove specific elements in a numpy array

... For your specific question: import numpy as np a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9]) index = [2, 3, 6] new_a = np.delete(a, index) print(new_a) #Prints `[1, 2, 5, 6, 8, 9]` Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so e...
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Convert JSON style properties names to Java CamelCase names with GSON

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nodejs require inside TypeScript file

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Get current stack trace in Ruby without raising an exception

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CSS to set A4 paper size

I need simulate an A4 paper in web and allow to print this page as it is show on browser (Chrome, specifically). I set the element size to 21cm x 29.7cm, but when I send to print (or print preview) it clip my page. ...
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error: default argument given for parameter 1

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Creating hidden arguments with Python argparse

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