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

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent

chrisfcarroll

# https://gist.github.com/chrisfcarroll/f3ecb2892f996149ee039d48abb57101
# Aliases and Paths for PowerShell Profile ~\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1
#
# -----------------------------------------------------
# For machines where you have no privileges you should be able to enable scripts for yourself only with:
#
# `Set-ExecutionPolicy RemoteSigned -Scope CurrentUser`
# -----------------------------------------------------
#
# Sections: Paths, Editors, Tab Completion, Git abbreviations, Docker abbreviations, other prefs, firstRun

jkatz

# Copyright 2019-2022 Jonathan S. Katz
# 
# MIT License
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

jboner

References from my talk 'Without Resilience, Nothing Else Matters'

• Drift into Failure
• How Complex Systems Fail
• Antifragile: Things That Gain from Disorder
• Leverage Points: Places to Intervene in a System
• Going Solid: A Model of System Dynamics and Consequences for Patient Safety
• Resilience in Complex Adaptive Systems: Operating at the Edge of Failure
• Puppies! Now that I’ve got your attention, Complexity Theory
• [Towards Resilient Architectures: Biology

necojackarc

General

• Show the battery percentage (System Settings > Control Centre > Battery)
• Show all filename extensions on Finder (Finder > Settings > Advanced)
• Show Path Bar on Finder (Finder > View)
• Install KeePassXC to manage credentials
• Install Google Drive to sync important files such as KeePass file
• Install Google Chrome
• Install AlDente to limit maximum charging percentage
• Show App Switcher (cmd+TAB) on all displays
• defaults write com.apple.Dock appswitcher-all-displays -bool true

chrisfcarroll

# This is Git's per-user configuration file.
# [user]
[alias]
	root = rev-parse --show-toplevel
	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
[merge]
	tool = p4merge
[color]
    ui = true
[color "status"]

chrisfcarroll

using System.Diagnostics;
using EFCoreAndDomainModels.Application;
using EFCoreAndDomainModels.Domain;
using EFCoreAndDomainModels.Infrastructure;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using TestBase;
using Xunit.Abstractions;

namespace EFCoreAndDomainModels

iharosi

###Useful OS X commands

1. App Store Debug menu

   Show

   defaults write com.apple.appstore ShowDebugMenu -bool true
   

   Hide

gertjvr

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Remoting.Messaging;
using System.Threading.Tasks;
using MassTransit;
using MassTransit.Configurators;
using MassTransit.PipeBuilders;
using MassTransit.PipeConfigurators;
using MassTransit.Pipeline;