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Understanding Automatic Reference Counting in Objective-C

Automatic Reference Counting (ARC) largely removes the burden of manual memory management, not to mention the chore of tracking down bugs caused by leaking or over-released objects! Despite its awesomeness, ARC does not let you ignore memory management altogether. This post covers the following key aspects of ARC to help you get up and running quickly. Reference Counted Memory: Quick Revision How Automatic Reference Counting Works Enabling ARC in Your Project New Rules Enforced by ARC ARC Qualifiers – Declared Properties ARC Qualifiers – Regular Variables Migrating Existing Projects to ARC Including Code that is not ARC Compliant Should I Use ARC? The Long Weekend Website
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Firebase realtime database stability - and monitoring

Firebase SLA Firebase will use commercially reasonable efforts to make Firebase available with a Monthly Uptime Percentage (defined below) of at least 99.95%, in each case during any monthly billing cycle (the "Service Commitment"). Firebase SLA Service Level Agreement for Hosting and Realtime Database Firebase Status Page Why Firebase sucks In the 3 years since starting to use Firebase we’ve suffered from so many outages I’ve literally lost count. @ Medium.com Status History Overview Statusgator Does anyone has real-life experience with the stability of Firebase or Firestore? Please leave a comment! We heared that Firestore is much more stable than Firebase which usage for new project is discouraged...
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Validity Time Auto-Renewables in Sandbox

The subscription durations, sandbox durations and incentive durations of auto-renewables. Hint: In Sandbox the validity time differs from live environment!!! Durations Sandbox Duration Incentive Durations (optional) 7 days 3 minutes 7 days 1 month 5 minutes 7 days, 1 month 2 months 10 minutes 7 days, 1 month 3 months 15 minutes 1 month 6 months 30 minutes 1 month, 2 months 1 year 1 hour 1 month, 2 months, 3 months After 6 extensions the abo is cancelled automatically in the sandbox environment.
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Backend-driven native UIs

Backend-drive native UIs John Sundell  Slide Share Using Back-End Design to Create Customizable Front-End Mobile Experiences By controlling the front end of mobile apps from the back end we can build customized experiences at runtime, creating cleaner interfaces and reducing load times. Nithin Rao UX Magazine The Hub Framework Welcome to the Hub Framework - a toolkit for building native, component-driven UIs on iOS ( no Android support released yet ). It is designed to enable teams of any size to quickly build, tweak and ship new UI features, in either new or existing apps. It also makes it easy to build backend-driven UIs. The Hub Framework has two core concepts - Components & Content Operations. Spotify LeeGo: Build UI without UIView LeeGo is a lightweight Swift framework that helps you decouple & modularise your UI component into small pieces of LEGO style's bricks, to make UI development declarative, configurable and highly reusable. Wang Shen...
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JSLint

Many JavaScript implementations do not warn against questionable coding practices. Yes, that's nice for the site that "works best with Internet Explorer" (designed with templates, scripted with snippets copied from forums). But it's a nightmare when you actually want to write quality, maintainable code. That's where JavaScript Lint comes in. With JavaScript Lint, you can check all your JavaScript source code for common mistakes without actually running the script or opening the web page. JavaScript Lint holds an advantage over competing lints because it is based on the JavaScript engine for the Firefox browser. This provides a robust framework that can not only check JavaScript syntax but also examine the coding techniques used in the script and warn against questionable practices. JavaScript Lint Online Form
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App Indexing

A better search experience for apps and users with linking to in-app content. Google is working with app developers and webmasters to index the content of apps and relate them to websites. When relevant, Google Search results on Android will include deep links to apps. App Indexing
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Automating Over The Air Deployment for iOS

Over the air deployment is based on a new command in the build menu of Xcode called “build and archive” which packages the application with an embedded provisioning profile. There have been many questions on how to integrate this feature in a continuous integration process. The “xcodebuild” command is well known : it builds an Xcode project from the command line and generates an “.app” file. You can use this command to build your application from a script ran by a software factory. But the generated file cannot be distributed over the air since it misses the embedded provisioning profile. We need to build the project into an “.ipa” file, containing the provisioning profile and signed with your developper identity. To be able to find the command line, the trick was to watch the system console log while running a “build and archive” through Xcode. #!/bin/sh # build.sh # # Created by Vincent Daubry on 19/01/10. # Copyright 2010 OCTO. All rights reserved. PROJDIR=${WORKSPACE...
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