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How can I determine if a JavaScript variable is defined in a page? [duplicate]

...this exact approach in his javascript tutorial here: ejohn.org/apps/learn/#11 You can run the script on the page and see for yourself. – Paul Batum Sep 26 '08 at 23:13 38 ...
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How do I use raw_input in Python 3

... 11 @VishnuNarang Yep, that is correct in Python 2. But in Python 3, this behavior changed, and input does what raw_input did in Python 2. ...
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?

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Flexbox Not Centering Vertically in IE

... Kaloyan StamatovKaloyan Stamatov 3,31911 gold badge1515 silver badges2323 bronze badges ...
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How do I sort unicode strings alphabetically in Python?

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Check existence of input argument in a Bash shell script

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New to MongoDB Can not run command mongo

... answered Nov 6 '11 at 18:14 kirpitkirpit 3,1892424 silver badges3131 bronze badges ...
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How to make lists contain only distinct element in Python? [duplicate]

...atsnew/3.6.html – Mark Dec 3 '16 at 11:52 Preserve order and functional way: In [23]: from functools import reduce ...
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods

... Andrzej Doyle 95.5k2929 gold badges181181 silver badges224224 bronze badges answered Nov 9 '09 at 14:02 Joachim SauerJoachim Sauer ...
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How to calculate moving average using NumPy?

...age(a) array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11., 12., 13., 14., 15., 16., 17., 18.]) >>> moving_average(a, n=4) array([ 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5, 16.5, 17.5]) ...