Mart van de Ven tijptjik

Drop other columns with pandas pivot_table

Problem: would like to use pivot_table [1] to pivot and ignore irrelevant columns in the DataFrame.

Given the DataFrame

df = pd.DataFrame(
    {

How to setup AWS lambda function to talk to the internet and VPC

I'm going to walk you through the steps for setting up a AWS Lambda to talk to the internet and a VPC. Let's dive in.

So it might be really unintuitive at first but lambda functions have three states.

No VPC, where it can talk openly to the web, but can't talk to any of your AWS services.
VPC, the default setting where the lambda function can talk to your AWS services but can't talk to the web.
VPC with NAT, The best of both worlds, AWS services and web.

If you were to give recommendations to your "little brother/sister" on things that they need to do to become a data scientist, what would those things be?

I think the "Data Science Venn Diagram" (http://drewconway.com/zia/2013/3/26/the-data-science-venn-diagram) is a great place to start. You need three things to be a good data scientist:

Statistical knowledge
Programming/hacking skills
Domain expertise

Statistical knowledge

A pseudonymous trust system for a decentralized anonymous marketplace

Dionysis Zindros, National Technical University of Athens [email protected]

Keywords

pseudonymous anonymous web-of-trust identity trust bitcoin namecoin proof-of-burn timelock decentralized anonymous marketplace openbazaar

Abstract

A pseudonymous trust system for a decentralized anonymous marketplace

Dionysis Zindros, National Technical University of Athens [email protected]

Keywords

pseudonymous anonymous web-of-trust identity trust bitcoin namecoin proof-of-burn timelock decentralized anonymous marketplace openbazaar

	<script lang="ts" generics="T">
	// SVELTE
	import { tick, untrack } from 'svelte';
	// TYPES
	import type { Snippet } from 'svelte';

	// ═══════════════════════
	// 1. PROPS
	// ═══════════════════════

	#!/usr/bin/python3
	"""
	Copyright 2021 Mygod

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	import psycopg2
	from contextlib import closing

	"""
	Demonstrate that contextmanagers for closing and committing don't play well together without autocommit

	Only the noclosing function can run without error
	"""

	/*
	* derivative work of Matheus de Oliveira's json_manipulator.sql
	* https://gist.github.com/matheusoliveira/9488951
	*
	* adapted to support postgresql 9.4 jsonb type
	* no warranties or guarantees of any kind are implied or offered
	*
	* license is as Matheus conferred it on 4/9/2015:
	* matheusoliveira commented on Apr 9
	* @hannes-landeholm, I'd like to take credit if you share them

	import pandas as pd
	from matplotlib import pyplot as plt
	import matplotlib as mpl
	import seaborn as sns
	%matplotlib inline

	#Read in data & create total column
	stacked_bar_data = pd.read_csv("C:\stacked_bar.csv")
	stacked_bar_data["total"] = stacked_bar_data.Series1 + stacked_bar_data.Series2