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How do you get the magnitude of a vector in Numpy?
... only one obvious way to do it", how do you get the magnitude of a vector (1D array) in Numpy?
6 Answers
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TSQL - Cast string to integer or return default value
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If you are on SQL Server 2012 (or newer):
Use the TRY_CONVERT function.
If you are on SQL Server 2005, 2008, or 2008 R2:
Create a user defined function. This will avoid the issues that Fedor Hajdu mentioned with regards to currency, fractional numbers,...
Which is faster: while(1) or while(2)?
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681
Both loops are infinite, but we can see which one takes more instructions/resources per iteratio...
NSDate beginning of day and end of day
...terval that is from the first second of the first date (beginningOfDay:date1) to the last second of the second date (endOfDay:Date2) ...
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How can I check if an ip is in a network in Python?
Given an ip address (say 192.168.0.1), how do I check if it's in a network (say 192.168.0.0/24) in Python?
27 Answers
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Git for Windows - The Program can't start because libiconv2.dll is missing
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104
Work around from this thread: http://groups.google.com/forum/#!topic/msysgit/twrVn_EbNI4
cd...
Split function equivalent in T-SQL?
I’m looking to split '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15...' (comma delimited) into a table or table variable.
15 Answ...
Too many 'if' statements?
...imited number of outcomes:
final int[][] result = new int[][] {
{ 0, 0, 1, 2 },
{ 0, 0, 2, 1 },
{ 2, 1, 3, 3 },
{ 1, 2, 3, 3 }
};
return result[one][two];
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What's the algorithm to calculate aspect ratio?
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18 Answers
18
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Getting key with maximum value in dictionary?
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You can use operator.itemgetter for that:
import operator
stats = {'a':1000, 'b':3000, 'c': 100}
max(stats.iteritems(), key=operator.itemgetter(1))[0]
And instead of building a new list in memory use stats.iteritems(). The key parameter to the max() function is a function that computes a key t...