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How do I check the difference, in seconds, between two dates?
...es, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds doesn't give you what you want:
(b-a).seconds
0
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How to convert a java.util.List to a Scala list
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71
import scala.collection.JavaConversions._
will do implicit conversion for you; e.g.:
var list...
Difference between numpy.array shape (R, 1) and (R,)
In numpy , some of the operations return in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of co...
Evaluate expression given as a string
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431
The eval() function evaluates an expression, but "5+5" is a string, not an expression. Use parse...
How to concatenate properties from multiple JavaScript objects
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What is the maximum characters for the NVARCHAR(MAX)?
...yte of storage.
Since NVARCHAR uses 2 bytes per character, that's approx. 1 billion characters.
Leo Tolstoj's War and Peace is a 1'440 page book, containing about 600'000 words - so that might be 6 million characters - well rounded up. So you could stick about 166 copies of the entire War and Peac...
SQL Server CTE and recursion example
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210
I haven't tested your code, just tried to help you understand how it operates in comment;
WITH...
Get PostGIS version
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edited Mar 28 '13 at 20:19
Brad Koch
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Format number to 2 decimal places
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edited Oct 22 '18 at 9:57
Madhur Bhaiya
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Is JSON Hijacking still an issue in modern browsers?
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