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Querying DynamoDB by date
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Date value of CreatedAt | CreatedAt
Limitation imposed on the HTTP API user to specify the number of days to retrieve data, defaulted to 24 hr.
This way, I can always specify the HashKey as Current date's day and RangeKey can use > and < operators while retrieving. This way the d...
Are the shift operators () arithmetic or logical in C?
In C, are the shift operators ( << , >> ) arithmetic or logical?
11 Answers
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Creating an empty Pandas DataFrame, then filling it?
I'm starting from the pandas DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
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Pip freeze vs. pip list
...y):
test1 % pip freeze <== Packages I'VE installed w/ pip
-e git+https://github.com/gdamjan/hello-world-python-package.git@10<snip>71#egg=cool_lib
peppercorn==0.6
sampleproject==1.3.1
test1 % pip list <== All packages, incl. ones I've NOT installed w/ pip
Package ...
UnboundLocalError on local variable when reassigned after first use
...local scope before execution.
For more examples like this Read this post: http://blog.amir.rachum.com/blog/2013/07/09/python-common-newbie-mistakes-part-2/
This post provides a Complete Description and Analyses of the Python Scoping of variables:
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Why #egg=foo when pip-installing from git repo
...to be the same either way. Note that I'm installing using the pip install https://... syntax which doesn't require -e.
– Taylor Edmiston
Aug 8 '17 at 1:43
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Why is the Java main method static?
The method signature of a Java main() method is:
37 Answers
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...build PACKAGE
Also when you have built them once, you can upload them to https://binstar.org/ and just install from there.
Then you'll have everything managed using conda.
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How to move files from one git repo to another (not a clone), preserving history
Our Git repositories started out as parts of a single monster SVN repository where the individual projects each had their own tree like so:
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How can mixed data types (int, float, char, etc) be stored in an array?
I want to store mixed data types in an array. How could one do that?
6 Answers
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