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@jboner
jboner / latency.txt
Last active Feb 24, 2020
Latency Numbers Every Programmer Should Know
View latency.txt
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
@ndarville
ndarville / business-models.md
Last active Feb 12, 2020
Business models based on the compiled list at http://news.ycombinator.com/item?id=4924647. I find the link very hard to browse, so I made a simple version in Markdown instead.
View business-models.md

Business Models

Advertising

Models Examples
Display ads Yahoo!
Search ads Google
@koistya
koistya / Single-page Application (SPA) Project Structure.md
Created Jan 30, 2014
Directory Layout of a Single-page Application built with .NET / F#, AngularJS, TypeScript, LESS...
View Single-page Application (SPA) Project Structure.md

Single-page Application Project Structure

..with .NET / F# (or Node.js / Express), AngularJS (or Facebook React + RxJS), TypeScript, Gulp.js (or Grunt), NuGet...

Goals

  • Project structure should reflect application's logic (as opposed to regular MVC apps which all look the same)
  • Group assets by feature rather than by type (including views, scripts, documentation, tests etc.)
  • Allow developers to edit client-side and server-side code independently from each other
@cortesben
cortesben / hg-commands.md
Last active Feb 20, 2020
Mercurial command cheat sheet
View hg-commands.md

Mercurial Commands

Commands Description
hg pull get latest changes like git pull use flags like -u IDK why yet
hg add only for new files
hg commit add changes to commit with -m for message just like git
hg addremove adds new files and removes file not in your file system
hg incoming see changes commited by others
hg outgoing see local commits
View spacemacs-cheatsheet.md

emacs --daemon to run in the background. emacsclient.emacs24 <filename/dirname> to open in terminal

NOTE: "M-m and SPC can be used interchangeably".

  • Undo - C-/
  • Redo - C-?
  • Change case: 1. Camel Case : M-c 2. Upper Case : M-u 3. Lower Case : M-l
@freckletonj
freckletonj / oauth.hs
Created Apr 27, 2017
Haskell Servant OAuth2.0 for GitHub
View oauth.hs
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE TypeOperators #-}
module Sand where
import Data.Aeson
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