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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:
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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",...
Naming returned columns in Pandas aggregate function? [duplicate]
...())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
df = data.groupby('Seed').agg(
{'age':['sum'],
'height':['mean', 'std']})
print(df.head())
# age height
# sum std ...
Android ImageView Zoom-in and Zoom-Out
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What is the difference between range and xrange functions in Python 2.X?
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How can I confirm a database is Oracle & what version it is using SQL?
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Run this SQL:
select * from v$version;
And you'll get a result like:
BANNER
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What are the aspect ratios for all Android phone and tablet devices?
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In case anyone wanted more of a visual reference:
Decimal approximations reference table:
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How to get size of mysql database?
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1221
Run this query and you'll probably get what you're looking for:
SELECT table_schema "DB Name"...
JPA : How to convert a native query result set to POJO class collection
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Intersection of two lists in Bash
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comm -12 <(ls 1) <(ls 2)
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