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Tools for Generating Mock Data? [closed]
... me it seems like the tool not in a good shape, thus not worth loosing the time with it.
– Peter Butkovic
Nov 7 '13 at 9:11
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...th from pandas import *. Also, the map method should be reserved for those times when passing it a dictionary or Series. It can take a function but this is what apply is used for.
So, if you must use the above approach, I would write it like this
df["A1"], df["A2"] = zip(*df["a"].apply(calculate))...
UnicodeDecodeError when redirecting to file
...string/array of bytes. This distinction has been mostly ignored for a long time because of the historic ubiquity of encodings with no more than 256 characters (ASCII, Latin-1, Windows-1252, Mac OS Roman,…): these encodings map a set of common characters to numbers between 0 and 255 (i.e. bytes); t...
Git SSH error: “Connect to host: Bad file number”
...port 22.
debug1: connect to address 207.97.227.239 port 22: Connection timed out
ssh: connect to host github.com port 22: Connection timed out
ssh: connect to host github.com port 22: Bad file number
You will only see the bad file number message when on windows using the MINGGW shell. ...
What exactly are “spin-locks”?
I always wondered what they are: every time I hear about them, images of futuristic flywheel-like devices go dancing (rolling?) through my mind...
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Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
...intended to create an upgraded C with OOP capabilities, but that is a long time ago. By the time the language was standardized in 1998, it was no longer an OOP language. It was a multi-paradigm language. It certainly had some support for OOP code, but it also had a turing-complete template language ...
Cutting the videos based on start and end time using ffmpeg
I tried to cut the video using the start and end time of the video by using the following command
9 Answers
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Why is my git repository so big?
... and needs cooperation between developers and/or manager intervention. Sometimes just leaving the loadstone inside can be better option.
– Vi.
Oct 19 '15 at 15:12
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How do I get IntelliJ to recognize common Python modules?
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After adding a virtual env back 5 times, this helped fix it for me with IDEA 2016.2.1
– dlite922
Sep 1 '16 at 22:21
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Convert a python UTC datetime to a local datetime using only python standard library?
I have a python datetime instance that was created using datetime.utcnow() and persisted in database.
12 Answers
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