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How to convert a data frame column to numeric type?

... 'stringsAsFactors = FALSE' is important for when reading in data files. – Robert Brisita Feb 19 '15 at 6:49 4 ...
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Similarity String Comparison in Java

...ccard similarity Dice's coefficient Matching similarity Overlap similarity etc etc A good summary ("Sam's String Metrics") can be found here (original link dead, so it links to Internet Archive) Also check these projects: Simmetrics jtmt ...
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What's the 'environment' task in Rake?

...ironment, giving the relevant task access to things like classes, helpers, etc. Without the :environment, you won't have access to any of those extras. Also => :environment itself does not make available any environment-related variables, e.g. environment, @environment, RAILS_ENV, etc. ...
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opengl: glFlush() vs. glFinish()

...mands through a pipe to a gl server. That pipe might buffer. Just like any file or network i/o might buffer. glFlush only says "send the buffer now, even if it is not full yet!". On a local system this is almost never needed because a local OpenGL API is unlikely to buffer itself and just issues com...
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Why are floating point numbers inaccurate?

...r equations symbolic until the last possible moment, in case factors of π etc cancel out. – Floris Feb 20 '14 at 1:39 ...
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How to determine an interface{} value's “real” type?

...se int', 'v' will be an integer. in 'case float64', 'v' will be a float64, etc. – jimt Jun 16 '11 at 16:48 ...
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jQuery `.is(“:visible”)` not working in Chrome

...element on the screen, even if you can't see its content, it's transparent etc., it's visible, i.e. it takes up space. I cleaned up your markup a little and added a display style (i.e. setting the elements display to "block" etc), and this works for me: FIDDLE Official API reference for :visible...
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How can I scale an entire web page with CSS?

...at this does is proportionally enlarge the entire web page (fonts, images, etc). 9 Answers ...
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How to check if a String is numeric in Java

...fine for most ints but not so for numbers with decimals, group separators, etc. – Jeff Mercado Feb 8 '13 at 23:19 43 ...
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Mockito - difference between doReturn() and when()

...f the called method throws an Exception you have to deal with it / mock it etc. Of course you still get your result (what you define in thenReturn(...)) doReturn(...) when(...) does not call the method at all. Example: public class MyClass { protected String methodToBeTested() { r...