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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

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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

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☁️ How I got off the cloud and migrated everything from AWS to a VPS in Hetzner

This is an opinionated handbook on how I migrated all my Rails apps off the cloud and into VPS.

This is how I manage real production loads for my Rails apps. It assumes:

• Rails 7+
• Ruby 3+
• PostgreSQL
• Ubuntu Server 24.04
• Capistrano, Puma, Nginx

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If you're looking to swap the Ctrl + Cmd keys in Ubuntu 16.04 either just because, or because you're using VirtualBox with an Ubuntu guest and an OSX host, then the answer you're looking for is here. Courtesy of Joel Koh.

Source

http://askubuntu.com/questions/131900/how-do-i-switch-the-command-key-and-control-key-on-a-macbook-pro

Instructions

1. Launch terminal
2. Edit X Keyboard Extension

nano /usr/share/X11/xkb/symbols/pc

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Install

sudo apt-get install xclip -y

Create Alias

alias pbcopy='xclip -selection clipboard'
alias pbpaste='xclip -selection clipboard -o'

Try out

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# Unix (Terminal)
open -a "Google Chrome" --args --disable-gpu-vsync --disable-frame-rate-limit

# Windows (Command prompt)
start chrome --args --disable-gpu-vsync --disable-frame-rate-limit

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import SwiftUI

// 1. Use looped H/VStacks to create a grid 
// 2. Conditionally increase spacing to grow/shrink the grid
// 3. Calculate the distance of each dot to the center and use the value to stagger the animation 
//4. Add random delay on top of the staggered delay value

struct ContentView: View {
    
    // const & state

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What i'm using in streams and while working

Development tools

• https://fishshell.com/ - my default shell, i use theme bobthefish
• https://www.sublimetext.com/ - my default editor
  • Material Theme
  • Operator font
  • Packages: Emmet, Hayaku, SidebarEnhancements, JS Snippets, GSAP Snippets
  • Sublime snippet for comments
  • Sublime icon
• https://code.visualstudio.com/ - trying to switch, but not yet

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Reference for How to Write an Open Source JavaScript Library

The purpose of this document is to serve as a reference for:

How to Write an Open Source JavaScript Library course by Kent C. Dodds

Watch the series at egghead.io, if you haven't.

---

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////////////////////////////////////////////////////////////////////////////////
// Create a directory called "pages" next to
// this file, put markdown files in there, and
// then run:
//
// ```
// $ node build.mjs
// ```
//
// Then deploy the "build" directory somewhere.