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By Mark Niemann-Ross | Wednesday, September 17, 2014

Code Clinic: Learn Code with the 'Eight Queens' Problem

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Every rock star knows a few Chuck Berry guitar licks. Every jazz musician studies the works of Miles Davis. Every classical pianist can play at least one Bach concerto. Eventually, every musician realizes that learning a musical instrument requires studying the masters.

Learning to code is no different. Dissecting well-known pieces of code is a great way to learn time-saving techniques. But many coders simply don’t know what these masterpieces are, or why it’s important to re-code classic problems that have already been solved.

Now, in addition to the wealth of lynda.com programming courses geared towards all levels of experience, we’re diving into computational thinking with our unique Code Clinic courses.

Code Clinic is six courses, each with a different lynda.com author solving a different real-world problem. And each author uses a different programming language to do it.

This month, we’ll examine one of coding’s masterpieces – The Eight Queens Problem.

By Scott Fegette | Friday, September 05, 2014

Look What's Familiar, and Simple, About Swift

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Swift, the new programming language by Apple for rapid development of iOS and Mac OSX apps, is gaining popularity as quickly as its name suggests—and we’re pleased to announce that Simon Allardice’s first lynda.com course on the language, Swift Programming First Look, is now available.

If you’ve been itching to dive into this new language, Simon’s got the scoop for you- here’s a peek.

By Starshine Roshell | Sunday, August 31, 2014

Learned It and Earned It: Tripled his Income with lynda.com

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Three years ago, David Sumler was driving a car without a hood on it.

“Some lady ran a stop sign and hit me, and I didn’t have the money to fix the car, so I drove it without a hood,” he says. “I’d park as far back as I could in parking lots when meeting friends, so they didn’t see it.”

But that wasn’t the worst of it.

“I was buried in debt,” says David, 32. “I could barely keep up with my bills and I couldn’t buy nice things for my kids or my fiancée. I had no health insurance so I just never went to the doctor. If one disaster had happened, I would have been on the streets—and I came very close a few times.”

Then opportunity knocked.

By David Gassner | Friday, August 29, 2014

Configure ADT for Android Development with Eclipse

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I was recently asked about how to set up a local Android development environment correctly, and it was such a good question that I wanted to share the answer with everyone.

Q: I’m learning how to create Android apps. In Eclipse with Android Developer Tools, when I create a new app I get a null pointer exception right away. I’ve also noticed that the new project’s “src” folder, where my Java source files should be located, is empty. What did I do wrong?

By Mark Niemann-Ross | Wednesday, August 20, 2014

Code Clinic: The Second Challenge

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What is programming really like?

Code Clinic is a series of courses from lynda.com designed to help you understand the process of programming—something called “computational thinking.”

By Chris Converse | Thursday, August 14, 2014

Improve Website Performance on Mobile Devices

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When considering user experience for mobile, speed of download is a huge factor. People are typically using a cellular data plan when browsing on phones, and website performance is rarely optimal under these circumstances.

One factor in a web page’s download speed is the number of external file requests the HTML page needs. This includes CSS files (style sheets), JavaScripts, images, audio and video, applets, online feeds and services, and well … you get the idea.

Here are some techniques for reducing the number of times your web page needs to go back to the server to “ask for more” files.

By Ray Villalobos | Wednesday, August 13, 2014

Getting Started with Node.js

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There was a time when JavaScript was mocked and ridiculed as the language of pop-up and alert messages.

But the language has matured and found a few killer libraries that have earned the respect and love of the development community in not just the browser—but also on the server.

It all started with jQuery, the “write more, do less” library that standardized compatibility across browsers and gave us the power to reliably select and animate elements of a web page or app. We also got the ability to send and receive messages with AJAX (Asynchronous JavaScript and XML), a technology that powered the Web 2.0 movement.

Now there’s a new sheriff in town called Node.js, and it’s leading the way for a new class of web applications.

By David Gassner | Wednesday, August 06, 2014

Course Update: Building a Note-Taking App for Android

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Technology moves so quickly, it can be hard to keep up—particularly when developer tools change after we’ve recorded a course.

I recently heard from a member who was trying to work through my course Building a Note-Taking App for Android and having trouble running and testing his code.

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