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Convert dictionary to list collection in C#
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To convert the Keys to a List of their own:
listNumber = dicNumber.Select(kvp => kvp.Key).ToList();
Or you can shorten it up and not even bother using select:
listNumber = dicNumber.Keys.ToList();
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Converting strings to floats in a DataFrame
...his is available in 0.11. Forces conversion (or set's to nan)
This will work even when astype will fail; its also series by series
so it won't convert say a complete string column
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series(['1.0','foo'])))
In [11]: df
Out[11]:
A B
0 ...
JSON left out Infinity and NaN; JSON status in ECMAScript?
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Infinity and NaN aren't keywords or anything special, they are just properties on the global object (as is undefined) and as such can be changed. It's for that reason JSON doesn't include them in the spec -- in essence any true JSON string should h...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
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Martijn Pieters♦Martijn Pieters
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...ion than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks.
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How do you access command line arguments in Swift?
...re delighted to announce ArgumentParser, a new open-source library that makes it straightforward — even enjoyable! — to parse command-line arguments in Swift.
https://swift.org/blog/argument-parser/
Swift Argument Parser
https://github.com/apple/swift-argument-parser
Begin by declaring a type...
How to split csv whose columns may contain ,
...tring csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34";
TextFieldParser parser = new TextFieldParser(new StringReader(csv));
// You can also read from a file
// TextFieldParser parser = new TextFie...
Comparing date ranges
...e matching rows:
SELECT *
FROM periods
WHERE NOT (range_start > @check_period_end
OR range_end < @check_period_start)
Note the NOT in there. Since the two simple rules finds all the non-matching rows, a simple NOT will reverse it to say: if it's not one of the non-matching rows...
How can I get name of element with jQuery?
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You should use attr('name') like this
$('#yourid').attr('name')
you should use an id selector, if you use a class selector you encounter problems because a collection is returned
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How does _gaq.push(['_trackPageLoadTime']) work?
How does the Google Analytics Site Speed feature, _gaq.push(['_trackPageLoadTime']) , work? Is there any documentation about how it works?
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