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SQLite - increase value by a certain number
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202
Sample 1 (for all rows):
UPDATE Products SET Price = Price + 50
Sample 2 (for a specific row...
Replace None with NaN in pandas dataframe
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140
You can use DataFrame.fillna or Series.fillna which will replace the Python object None, not the...
creating list of objects in Javascript
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var list = [
{ date: '12/1/2011', reading: 3, id: 20055 },
{ date: '13/1/2011', reading: 5, id: 20053 },
{ date: '14/1/2011', reading: 6, id: 45652 }
];
and then access it:
alert(list[1].date);
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How do I get the “id” after INSERT into MySQL database with Python?
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edited Jun 18 '14 at 20:41
answered Mar 30 '10 at 20:37
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How to cast an object in Objective-C
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answered Mar 27 '09 at 17:40
Jim PulsJim Puls
69.3k1010 gold badges6969 silver badges7878 bronze badges
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javascript window.location in new tab
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answered Sep 26 '11 at 11:05
Ian OxleyIan Oxley
10.2k44 gold badges3838 silver badges4848 bronze badges
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What is the maximum possible length of a query string?
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1019
RFC 2616 (Hypertext Transfer Protocol — HTTP/1.1) states there is no limit to the length of ...
How can I convert a string to a number in Perl?
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90
You don't need to convert it at all:
% perl -e 'print "5.45" + 0.1;'
5.55
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What is the best way to do a substring in a batch file?
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401
Well, for just getting the filename of your batch the easiest way would be to just use %~n0.
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How do I make class methods / properties in Swift?
...int("There are \(all.count) foos")
}
}
Foo.alert() // There are 0 foos
let f = Foo()
Foo.all.append(f)
Foo.alert() // There are 1 foos
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