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Kaggle Intro to ML notes

Notes for https://www.kaggle.com/learn/intro-to-machine-learning

misc notes:

• the melbourne dataset made available for download with the kernel seems to be corrupted (451KB instead of 1.99MB; can't call read_csv and opening it in any text editor just shows gibberish)
• the melb dataset is a snapshot, which means you can get to the original dataset by Tony Pino.

zeddee

gcloud cheatsheet

Basic

Command	Description
gcloud auth login	log into google cloud console with credentials
gcloud config set project <PROJECT_ID>	set project ID (local gcloud starts without a set active project)
gcloud beta interactive	enters a very very awesome "interactive" mode with autocomplete and command preview.
gcloud config set compute/zone asia-southeast1-a	sets compute zone to given zone id.

zeddee

General Notes on C

Notes in an attempt to document a C library.

Pointers

You can write C pointers in the following ways:

• someType* somePtr;

zeddee

• Was inspecting a REST API reference, and found that all requests are POST requests.
• Reason given was that POST requests are more secure than GET requests, presumably because you don't send data in the URL query
• But...insufficient reason?
• API key is sent in header.
• Otherwise no difference in the interface; comes down to how the REST API server resolves the request.
• POST requests are usually used to create resources.
  • https://restfulapi.net/idempotent-rest-apis/
  • Each POST request creates a new resource on the server, and is therefore not expected to be idempotent
• So having all REST endpoints as POST endpoints is weird because

zeddee

Dungeon Master Notes

Open5e

• Online docs for 5e rules, based on the SRD 5.1 (System Reference Document) made available under OGL 1.0a (Open Gaming License)
• https://open5e.com/combat/attacking.html

Alt Damage Rules

• More dice: http://www.enworld.org/forum/showthread.php?253337-alternate-d20-damage-rules

zeddee

Prisma Notes

Related libraries

• GraphQL nexus-prisma plugin: https://nexus.js.org/docs/database-access-with-prisma
• PhotonJS GraphQL subscriptions example: https://github.com/prisma/photonjs/tree/master/examples/typescript/graphql-subscriptions
• Prisma 2 repository: https://github.com/prisma/prisma2
• Prisma GraphQL-Yoga library: https://github.com/prisma/graphql-yoga

Docs

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Adyen Notes

General API docs notes

• https://docs.adyen.com/api-explorer/#/CheckoutUtility/v1/originKeys

• All REST endpoints are POST endpoints.

• All POST requests should have the following headers:

  • "Content-Type: application/json"

• "X-API-KEY: $YOUR_KEY"

zeddee

Security Articles August 2019

GIJN Digital Security

Good resource. Many cheatsheets at the bottom of article.

Source: Global Investigative Journalism Network, "Digital Security". Available: https://gijn.org/digital-security/

Digital security basics.

zeddee

Archival Tools Eval

• Awesome Self-Hosted#archiving-and-digital-preservation-dp

CollectiveAccess

• https://collectiveaccess.org/
• Massive tool. Requires MySQL DB, web server, and two binaries:
  • Providence
• Pawtucket

zeddee

WCAG 2.0 Guidelines for Colour Contrast

WCAG 2.0 Guideline

• Relative Luminance Definition: Formulae

Web-Based Tools

• contrast-ratio by LeaVerou
• WebAIM Contrast Checker