jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

iros

Title

<Additional information about your API call. Try to use verbs that match both request type (fetching vs modifying) and plurality (one vs multiple).>

• URL

  <The URL Structure (path only, no root url)>

• Method:

dideler

Note: I'm currently taking a break from this course to focus on my studies so I can finally graduate

Table of Contents

1. Overview
2. Introduction
3. Interactive Start
4. Linux and Server-Side Javascript
5. Linux Command Line
6. Linux Development Environment

ygotthilf

ssh-keygen -t rsa -b 4096 -m PEM -f jwtRS256.key
# Don't add passphrase
openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub
cat jwtRS256.key
cat jwtRS256.key.pub

lukebussey

Direct copy of pre-encoded file:

$ ffmpeg -i filename.mp4 -codec: copy -start_number 0 -hls_time 10 -hls_list_size 0 -f hls filename.m3u8

jed

#!/bin/sh

aws cloudformation deploy \
  --template-file stack.yaml \
  --stack-name edge-lambda-test \
  --capabilities CAPABILITY_IAM \
  --parameter-overrides Nonce=$RANDOM

matalo33

AWSTemplateFormatVersion: "2010-09-09"
Description: >
  Launch a static website backed by an S3 bucket and served via https through cloudfront.
  Assumes you have the following available already
  * An address in mind (e.g. blog.example.com)
  * An existing Route53 Hosted Zone for the domain
  * A validated AWS ACM certificate arn for the desired web address which must be in eu-west-1
Parameters:
  HostedZoneID:
    Description: >

MarshalX

#!/usr/bin/python3
import socket
import struct
import json
import time


class StatusPing:
    """ Get the ping status for the Minecraft server """

stewartmcgown

{
  "title": "Takeout API",
  "discoveryVersion": "v1",
  "ownerName": "Google",
  "version_module": true,
  "resources": {
    "exports": {
      "methods": {
        "get": {
          "flatPath": "v2/{service}/exports/{exportId}",