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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
... command line; the above commands can be run as a query through a library (Python, C#, etc.).
– Mark Rushakoff
Jul 25 '10 at 21:09
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The easiest way to transform collection to array?
... wise I'd much prefer the accepted answer. I wish people can all switch to Python.
– Eric Chen
Sep 12 '17 at 19:40
@Er...
pytest: assert almost equal
...thing that works not only with floats but for example Decimals you can use python's math.isclose:
# - rel_tol=0.01` is 1% difference tolerance.
assert math.isclose(actual_value, expected_value, rel_tol=0.01)
Docs - https://docs.python.org/3/library/math.html#math.isclose
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Show dialog from fragment?
...nt.show(fragmentManager, "dialog");
}
}
DialogFragment layout:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity...
Common elements comparison between 2 lists
...ed by S.Mark and SilentGhost generally tell you how it should be done in a Pythonic way, but I thought you might also benefit from knowing why your solution doesn't work. The problem is that as soon as you find the first common element in the two lists, you return that single element only. Your solu...
Remove NA values from a vector
...rammers who were engaged in incorporating R-like NA-handling facilities in Python's excellent NumPy package.)
– Josh O'Brien
Aug 2 '19 at 20:24
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Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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Use logging print the output of pprint
...ging.DEBUG):" to avoid running pformat when you won't use its output: docs.python.org/2/library/…
– Ed Brannin
Aug 13 '13 at 16:58
2
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Redis command to get all available keys?
...re a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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Find region from within an EC2 instance
...f you want to avoid regular expression, here's a one-liner you can do with Python:
curl -s http://169.254.169.254/latest/dynamic/instance-identity/document | python -c "import json,sys; print json.loads(sys.stdin.read())['region']"
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