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How to group dataframe rows into list in pandas groupby?
...'a').agg({'b':lambda x: list(x)})
Look into writing Custom Aggregations: https://www.kaggle.com/akshaysehgal/how-to-group-by-aggregate-using-py
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How to lazy load images in ListView in Android
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Google Shelves project is an excellent example look how they did code.google.com/p/shelves
– AZ_
Jan 18 '11 at 8:09
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Is python's sorted() function guaranteed to be stable?
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Assign pandas dataframe column dtypes
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Foreign key constraints: When to use ON UPDATE and ON DELETE
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How to disable HTML links
...n't seem to play nice. This example works:
<a id="a1" href="http://www.google.com">Google 1</a>
<a id="a2" href="http://www.google.com">Google 2</a>
$('#a1').attr('disabled', 'disabled');
$(document).on('click', 'a', function(e) {
if ($(this).attr('disabled') == 'disab...
How do I allow HTTPS for Apache on localhost?
I was asked to set up HTTPS with a self-signed cert on Apache on localhost, but how do I actually do that? I have no idea at all.
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Why XML-Serializable class need a parameterless constructor
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... arrives to GCC, GCC 9.1.0 with g++-9 -std=c++2a still doesn't support it.
https://en.cppreference.com/w/cpp/utility/source_location claims usage will be like:
#include <iostream>
#include <string_view>
#include <source_location>
void log(std::string_view message,
const ...
How can I put a database under git (version control)?
... based open source; available for all major databases including PostgreSQL https://github.com/sqitchers/sqitch
Mahout - only for PostgreSQL; open source database schema version control.
https://github.com/cbbrowne/mahout
Liquibase - another open source db version control sw. free version of Datica...