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Select statement to find duplicates on certain fields
...lds for which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion...
Adding a new array element to a JSON object
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242
JSON is just a notation; to make the change you want parse it so you can apply the changes to ...
How to use a variable for the key part of a map
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2 Answers
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What is non-blocking or asynchronous I/O in Node.js?
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2 Answers
2
Active
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Apache Spark: map vs mapPartitions?
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122
What's the difference between an RDD's map and mapPartitions method?
The method map conver...
How to get a substring of text?
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246
If you have your text in your_text variable, you can use:
your_text[0..29]
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Is there a better way to iterate over two lists, getting one element from each list for each iterati
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264
This is as pythonic as you can get:
for lat, long in zip(Latitudes, Longitudes):
print la...
What is the difference between Numpy's array() and asarray() functions?
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125
Since other questions are being redirected to this one which ask about asanyarray or other arra...
What do you call the -> operator in Ruby?
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240
In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using...