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@thesamesam
thesamesam / xz-backdoor.md
Last active April 27, 2024 17:35
xz-utils backdoor situation (CVE-2024-3094)

FAQ on the xz-utils backdoor (CVE-2024-3094)

This is a living document. Everything in this document is made in good faith of being accurate, but like I just said; we don't yet know everything about what's going on.

Background

On March 29th, 2024, a backdoor was discovered in xz-utils, a suite of software that

@kconner
kconner / macOS Internals.md
Last active April 22, 2024 21:28
macOS Internals

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

@IanColdwater
IanColdwater / twittermute.txt
Last active April 22, 2024 17:26
Here are some terms to mute on Twitter to clean your timeline up a bit.
Mute these words in your settings here: https://twitter.com/settings/muted_keywords
ActivityTweet
generic_activity_highlights
generic_activity_momentsbreaking
RankedOrganicTweet
suggest_activity
suggest_activity_feed
suggest_activity_highlights
suggest_activity_tweet
@sleepyfox
sleepyfox / 2019-07-25-users-hate-change.md
Last active December 10, 2023 18:20
'Users hate change'

'Users hate change'

This week NN Group released a video by Jakob Nielsen in which he attempts to help designers deal with the problem of customers being resistant to their new site/product redesign. The argument goes thusly:

  1. Humans naturally resist change
  2. Your change is for the better
  3. Customers should just get used to it and stop complaining

There's slightly more to it than that, he caveats his argument with requiring you to have of course followed their best practices on product design, and allows for a period of customers being able to elect to continue to use the old site, although he says this is obviously only a temporary solution as you don't want to support both.

@JoeyBurzynski
JoeyBurzynski / 55-bytes-of-css.md
Last active April 10, 2024 20:23
58 bytes of css to look great nearly everywhere

58 bytes of CSS to look great nearly everywhere

When making this website, i wanted a simple, reasonable way to make it look good on most displays. Not counting any minimization techniques, the following 58 bytes worked well for me:

main {
  max-width: 38rem;
  padding: 2rem;
  margin: auto;
}
@incyclum
incyclum / AWS IAM Policy - ForceMFA.json
Last active April 2, 2020 20:02
AWS IAM Policy - Force MFA - This policy allows users to manage their own passwords and MFA devices but nothing else unless they authenticate with MFA -- *EDIT*: I forgot where I found it in the 1st place. In fact this policy is explained statement by statement in AWS docs: https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_users-self-man…
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowAllUsersToListAccounts",
"Effect": "Allow",
"Action": [
"iam:ListAccountAliases",
"iam:ListUsers",
"iam:GetAccountPasswordPolicy",
@alexcasalboni
alexcasalboni / aws-lambda-static-type-checker.md
Last active May 22, 2023 07:31
AWS Lambda Static Type Checker Example (Python3)

How to use Python3 Type Hints in AWS Lambda

TL;DR

Static Type Checkers help you find simple (but subtle) bugs in your Python code. Check out lambda_types.py and incrementally improve your code base and development/debugging experience with type hints.

Your Lambda Function code will go from this:

@astrikos
astrikos / stale_security_groups.py
Created November 9, 2017 15:52
Script to detect stale AWS security groups
#!/usr/bin/env python
import boto3
import argparse
class StaleSGDetector(object):
"""
Class to hold the logic for detecting AWS security groups that are stale.
"""
def __init__(self, **kwargs):
@evancz
evancz / data-interchange.md
Last active April 12, 2024 08:39
Why do I have to write JSON decoders in Elm?

A vision for data interchange in Elm

How do you send information between clients and servers? What format should that information be in? What happens when the server changes the format, but the client has not been updated yet? What happens when the server changes the format, but the database cannot be updated?

These are difficult questions. It is not just about picking a format, but rather picking a format that can evolve as your application evolves.

Literature Review

By now there are many approaches to communicating between client and server. These approaches tend to be known within specific companies and language communities, but the techniques do not cross borders. I will outline JSON, ProtoBuf, and GraphQL here so we can learn from them all.