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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
... The trick is that ISO-8859-1 or Latin_1 is 8 bit character sets, thus all garbage has a valid value. Perhaps not useable, but if you want to ignore!
– Kjeld Flarup
Apr 12 '18 at 8:53
...
Ruby on Rails: getting the max value from a DB column
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How to convert BigDecimal to Double in Java?
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How do you do natural logs (e.g. “ln()”) with numpy in Python?
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
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Appending to an empty DataFrame in Pandas?
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What is the difference between a database and a data warehouse?
...-Technical View:
A database is constrained to a particular applications or set of applications.
A data warehouse is an enterprise level data repository. It's going to contain data from all/many segments of the business. It's going to share this information to provide a global picture of the busines...
Is “ ” a replacement of “ ”?
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python list by value not by reference [duplicate]
... performance:
In [1]: import timeit
In [2]: timeit.timeit('b.extend(a)', setup='b=[];a=range(0,10)', number=100000000)
Out[2]: 9.623248100280762
In [3]: timeit.timeit('b = a[:]', setup='b=[];a=range(0,10)', number=100000000)
Out[3]: 10.84756088256836
In [4]: timeit.timeit('b = list(a)', setup='b...
Hour from DateTime? in 24 hours format
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