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Optimal way to concatenate/aggregate strings
...lly before concatenation).
I've quickly tested the solution on SQL Server 2012 with the following data:
INSERT dbo.SourceTable (ID, Name)
VALUES
(1, 'Matt'),
(1, 'Rocks'),
(2, 'Stylus'),
(3, 'Foo'),
(3, 'Bar'),
(3, 'Baz')
The query result:
ID FullName
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Grid of responsive squares
... with CSS. I will explain how in a step by step process but first here are 2 demos of what you can achieve :
Grid of square images
Grid of squares with content
Now let's see how to make these fancy responsive squares!
1. Making the responsive squares :
The trick for keeping elements squ...
Rename specific column(s) in pandas
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edited May 23 '17 at 12:34
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answered Nov 3 '13 at 21:32
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Create table using Javascript
I have a JavaScript function which creates a table with 3 rows 2 cells.
12 Answers
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Iterate a list with indexes in Python
... 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
6 Answers
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How does the HyperLogLog algorithm work?
...own prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts with "001". This means that if you observe a random stream and see a "001",...
What is the preferred syntax for defining enums in JavaScript?
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How can I confirm a database is Oracle & what version it is using SQL?
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288
Run this SQL:
select * from v$version;
And you'll get a result like:
BANNER
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What is the difference between range and xrange functions in Python 2.X?
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28 Answers
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