
Tutorials: Learn SQL step by step 0 SELECT basics Some simple queries to get you started 1 SELECT name Some pattern matching queries 2 SELECT from World In which we query the World country profile table. 3 SELECT from Nobel Additional practice of the basic features using a table of Nobel Prize winners. 4 SELECT within SELECT In which we form queries using other queries. 5 SUM and COUNT In which we
Learn JavaScriptThe easiest way to learn & practice modern JavaScriptLearn in an interactive environment. Read short lessons, take notes, and complete challenges directly in your browser. Try it out →Anonymous cookies are used to improve the quality of the course. Learn modern JavaScript (ES2015+) from scratch, and practice in an intuitive environment. The challenges are inspired by real-world
What is React?React is a library for building user interfaces for the web and other platforms. This guide covers the fundamental aspects of React needed to build great web apps. If you're more interested in building mobile apps, consider checking out React Native Express instead. How to use this guideYou should use this guide as a companion to the official Facebook documentation for getting starte
This site is not affiliated with or endorsed by the Khronos Group. Vulkan® and the Vulkan logo are trademarks of the Khronos Group Inc. About E-book Tutorial structure About This tutorial will teach you the basics of using the Vulkan graphics and compute API. Vulkan is a new API by the Khronos group (known for OpenGL) that provides a much better abstraction of modern graphics cards. This new inter
100 Days of Swift: The Tutorials Learn Swift by building cool projects. Gain a solid foundation in Swift, Xcode, Programming Concepts, and iOS Development. 40 projects. 160 videos. Over 16 hours of Video. No programming experience required.
Jameson Quave Using computer technology to educate, and improve lives. Siri integration on iOS 10 – Swift Tutorial This tutorial written on June 13th, 2016 using the Xcode 8 Beta 1, and is using the Swift 3.0 toolchain. Get Xcode 8 set up for iOS 10 and Swift 3 compilation. If you have not yet downloaded Xcode 8 Beta 1, please do so here. (Optional) Compiling from the command line To opt in to the
はじめに これは20分程度で一通り読み通せる、簡単なRubyチュートリアルです。 Rubyはあらかじめインストールされていることとします (もしお使いのマシンにRubyが入っていない場合、始める前に インストールしておいてください)。 インタラクティブRuby Rubyの処理系には、入力したRubyの文を実行して結果を出力するプログラムが付属しています。 このように対話的なセッションでRubyのコードを試してみるのは、新しい言語を学ぶのに最適です。 IRBを立ち上げましょう(IRBはInteractive Rubyの略です)。 macOS をお使いの場合、Terminalを立ち上げてirbと入力し、enterキーを押して下さい。 Linux をお使いの場合、shellを立ち上げてirbと入力し、enterキーを押して下さい。 Windows をお使いの場合、スタートメニューのRubyからI
Update note: This tutorial has been updated to React Native 0.50, Xcode 9, and iOS 11 by Christine Abernathy. The previous tutorial was written by iOS Team member Tom Elliot. In this React Native tutorial you’ll learn how to build native apps based on the hugely popular React JavaScript library. What makes React Native different from other frameworks such as PhoneGap (Apache Cordova) or Appcelerat
Welcome back to our RubyMotion Tutorial for Beginners series! In the first part of the series, you learned the basics of getting started with RubyMotion, and created a view controller with a few styled views. In this second and final part of the series, you will add the rest of the logic to this app, including making the label count down and getting the app fully wrapped up. Let’s get back in moti
Ask any Ruby developer, especially one with a background in Java, C or C++, and they’ll tell you just how much better their life is since discovering Ruby. Ruby’s syntax is concise, simple, and consistent, which makes it very easy to learn and to use. Despite it’s simplicity, Ruby has extensive metaprogramming features; this makes it a very powerful language for developing scalable, developer-frie
One of the most popular new features introduced in iOS 8 is the ability to create several types of extensions. In this tutorial, I will guide you through the process of creating a custom widget for the Today section of the notification center. But first, let's briefly review some topics about extensions and understand the important concepts that underly widgets. 1. What Is an Extension? An extensi
My book on iOS interface design, Design Teardowns: Step-by-step iOS interface design walkthroughs is now available! The Yahoo News Digest app brings an interesting approach to reading news. It refreshes with a curated selection twice a day, making for a quick read. It also packs a couple of interesting design elements we'll discuss in this post. The following is a chapter from my upcoming book, De
Update 04/23/2015: Updated for Xcode 6.3 and Swift 1.2. Note from Ray: This is an abbreviated version of a chapter from iOS 8 by Tutorials released as part of the iOS 8 Feast to give you a sneak peek of what’s inside the book. We hope you enjoy! Handoff is a new feature in iOS 8 and OS X Yosemite. Handoff lets you continue an activity uninterrupted when you switch from one device to another – with
Note from Ray: This is an abbreviated version of a chapter from iOS 8 by Tutorials released as part of the iOS 8 Feast to give you a sneak peek of what’s inside the book. We hope you enjoy! iOS 8 introduces a new concept called App Extensions: a way for you to share your app’s functionality with other apps, with to the OS itself. One of these types of extensions are Today Extensions, also known as
Update note: This SpriteKit tutorial has been updated for Xcode 9.3 and Swift 4.1 by Kevin Colligan. The original tutorial was written by Matthijs Hollemans and subsequently updated by Morten Faarkrog. In this three-part “How to” tutorial with SpriteKit and Swift series, you’ll learn how to make a game like Candy Crush Saga named Cookie Crunch Adventure. Yum, that sounds even better than candy! (Y
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