garybernhardt

This document has moved!

It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.

perezpaya

How to iOS

Dear iOS Developer,

These are the things you might take into account when developing rock-solid iOS apps.

Writing better code makes you happy and will make your employer, teammates, and even customers happier in the mid-long term.

Please remember

orta

SELECT pods.name, stats_metrics.download_total, stats_metrics.download_week, stats_metrics.app_total, stats_metrics.app_week FROM stats_metrics JOIN pods ON stats_metrics.pod_id = pods.id ORDER BY app_total DESC LIMIT 300;

ssaunier

# Sidekiq interaction and startup script
commands:
  create_post_dir:
    command: "mkdir -p /opt/elasticbeanstalk/hooks/appdeploy/post"
    ignoreErrors: true
files:
  "/opt/elasticbeanstalk/hooks/appdeploy/post/50_restart_sidekiq.sh":
    mode: "000755"
    owner: root
    group: root

maxivak

Integrate Gem/Engine and main Rails app

Overview

• Paths
• Routes
• Add functionality to controller
• Improving (Extending or overriding) Engine functionality
• Helpers
• Assets

JaviLorbada

Videos

• Introduction to Functional Programming Johannes Weiß - https://vimeo.com/100786088
• ReactiveCocoa at MobiDevDay Andrew Sardone - https://vimeo.com/65637501
• The Future Of ReactiveCocoa Justin Spahr-Summers - https://www.youtube.com/watch?v=ICNjRS2X8WM
• Enemy of the State Justin Spahr-Summers - https://www.youtube.com/watch?v=7AqXBuJOJkY
• WWDC 2014 Session 229 - Advanced iOS Application Architecture and Patterns Andy Matuschak - https://developer.apple.com/videos/play/wwdc2014/229/
• Functioning as a Functionalist Andy Matuschak - https://www.youtube.com/watch?v=rJosPrqBqrA
• Controlling Complexity in Swift Andy Matuschak - https://realm.io/news/andy-matuschak-controlling-complexity/

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