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Alternate table row color using CSS?

.../td> </tr> </tbody> </table> There is a CSS selector, really a pseudo-selector, called nth-child. In pure CSS you can do the following: tr:nth-child(even) { background-color: #000000; } Note: No support in IE 8. Or, if you have jQuery: $(document).ready(functi...
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How do I get the filepath for a class in Python?

...u can use the inspect module, like this: import inspect inspect.getfile(C.__class__) share | improve this answer | follow | ...
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Cartesian product of multiple arrays in JavaScript

...S Original 2017 Answer: 2-line answer with vanilla JS: (see updates below) All of the answers here are overly complicated, most of them take 20 lines of code or even more. This example uses just two lines of vanilla JavaScript, no lodash, underscore or other libraries: let f = (a, b) => [].concat...
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Converting datetime.date to UTC timestamp in Python

...le (e.g., via tzlocal.get_localzone()) to get access to the tz database on all platforms. Also, utcfromtimestamp() may fail and mktime() may return non-POSIX timestamp if "right" timezone is used. To convert datetime.date object that represents date in UTC without calendar.timegm(): DAY = 24*60*...
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What's the best way to inverse sort in scala?

...way of changing the sign, if you sort by some numeric value list.sortBy(- _.size) More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below) You can do list.sorted(theOrdering.reverse) If...
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How do I fix PyDev “Undefined variable from import” errors?

...ncing the same issue with latest Eclipse and PyDev. I can navigate between all modules, so why code-analysis can't do the same? – Adam Sep 3 '14 at 11:41 3 ...
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How do I check if an array includes a value in JavaScript?

...r (o in array) which shouldn't be done when looping through the array generally... – Damir Zekić Oct 12 '12 at 13:18 1 ...
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Understanding generators in Python

...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator. Normal functions return a single value...
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Using the rJava package on Win7 64 bit with R

I'm trying to install rJava on a computer with Win 7 64 bit. When I run 12 Answers 1...
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How to create a checkbox with a clickable label?

...can explain the comment @John left please do, because it makes no sense at all to me. – Wesley Murch Jul 30 '15 at 13:45 16 ...