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Polymer: behaviors vs. model objects

Polymer: behaviors vs. model objects

How to best share functionality in Polymer? Behaviors? Turns out that model objects might often be a better choice.
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Ronny RoellerApr 5
Localize Polymer applications

Localize Polymer applications

Localization support was announced last summer at the Polymer Summit. Although localization made it on the Polymer roadmap, there is…
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Ronny RoellerJan 27
Polymer + Cordova iOS — 80% faster

Polymer + Cordova iOS — 80% faster

Use WKWebView when packaging Polymer apps with Cordova. Learn why and how.
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Ronny RoellerMar 25
Polymer dispatcher: +50% requests. Ups.

Polymer dispatcher: +50% requests. Ups.

We frequently use the dispatcher pattern to render different types of the same entity in distinct ways. As we learned the hard way…
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Ronny Roelleryesterday
Unlocking A/B Testing — Part 2: evaluation and power analysis

Unlocking A/B Testing — Part 2: evaluation and power analysis

If you have followed all the steps we made in Part 1: set up and execution, you have successfully started the execution of your controlled…
Go to the profile of Claudia Minardi
Claudia MinardiApr 5
Polymer + IE 11: Centering paper-items

Polymer + IE 11: Centering paper-items

The paper-item element makes it easy to create Material Design lists. Turns out that the element requires a bit of tweaking to make it look…
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Ronny Roelleryesterday
JavaScript, why is my local date suddenly UTC?

JavaScript, why is my local date suddenly UTC?

Each time you think you understand date handling, there is something new waiting around the corner that will catch you off guard.
Go to the profile of Claudia Minardi
Claudia MinardiJan 6
Demo-Driven Development with Polymer

Demo-Driven Development with Polymer

We have been using Test-Driven Development (TDD) for our Java backend for a long time. We even used TTD for our old GWT frontend…
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Ronny RoellerFeb 2
Will Material Design bring back the Golden 90s?

Will Material Design bring back the Golden 90s?

Why the web triggered a Dark Age of poor user interfaces and painful development; and how Material Design might bring us into a Golden Era.
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Ronny RoellerDec 4, 2015
Polymer tips: How a mixin slowed down loading by 500 ms

Polymer tips: How a mixin slowed down loading by 500 ms

CSS mixins allow users to style elements. We intensively use mixins because they provide an excellent separation between the embedding…
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Ronny RoellerJan 13
How to build Polymer components with Github and Travis

How to build Polymer components with Github and Travis

Lately, we have been extracting dozens of Polymer components for standalone usage. Here are our best practice steps.
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Ronny RoellerNov 20, 2015
How to Move a Private Repository from Bitbucket to Github

How to Move a Private Repository from Bitbucket to Github

As more and more tools offer better integration with Gitub, we are moving our Bitbucket repositories over to Github. Here are the steps!
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Ronny RoellerNov 23, 2015
Polymer tips: Avoid unnecessary DOM nodes

Polymer tips: Avoid unnecessary DOM nodes

Unnecessary DOM nodes slow down web applications. Hence, we should avoid such waste whenever possible.
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Ronny RoellerDec 19, 2015
Parameterize Polymer behaviors with factories

Parameterize Polymer behaviors with factories

Behaviors are the preferred way to share code between Polymer elements. But what if the behavior itself requires a parameter from the…
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Ronny RoellerMar 5
How to create a Polymer icon set

How to create a Polymer icon set

Polymer elements come out of the box with amazing icon sets for nearly every situation. And for the corner cases, there is the <iron…
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Ronny RoellerNov 19, 2015
Polymer: How we wasted 1.5+ MB by importing external libraries wrongly

Polymer: How we wasted 1.5+ MB by importing external libraries wrongly

We vulcanize our Polymer application to combine all HTML imports into one file. Watch out how you import external JavaScript files!
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Ronny RoellerFeb 23
Polymer tips: Why does Polylint fail with errors in <iron-doc-viewer>?

Polymer tips: Why does Polylint fail with errors in <iron-doc-viewer>?

Polylint is an amazing tool to catch errors in Polymer projects. Hence, we use it all over the place!
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Ronny RoellerDec 30, 2015
Polymer tips: Don’t pollute your DOM with dialogs

Polymer tips: Don’t pollute your DOM with dialogs

We aim to avoid unnecessary DOM nodes as they slow down web applications.
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Ronny RoellerJan 8
Why does Polymer eat my HTML tags?

Why does Polymer eat my HTML tags?

Web components with Polymer rock! But sometimes debugging such JavaScript applications can be frustrating due to the lack of debug…
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Ronny RoellerNov 6, 2015
How to access dynamically created Polymer elements in dom-repeat/dom-if

How to access dynamically created Polymer elements in dom-repeat/dom-if

Learn how to access dynamically created nodes in dom-repeat and dom-if templates.
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Ronny RoellerDec 15, 2015
Localize Polymer applications 2 (XLIFF)

Localize Polymer applications 2 (XLIFF)

My last post covered how to localize Polymer application with the carbon-i18n-behavior. This leave us with one crucial question: How do the…
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Ronny RoellerJan 29
Polymer: Computed properties and “undefined”

Polymer: Computed properties and “undefined”

I love the concept of computed bindings: Polymer automatically recalculates computed properties whenever a dependent value changes. This…
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Ronny RoellerFeb 19
Unlocking A/B Testing — Part one: set up and execution

Unlocking A/B Testing — Part one: set up and execution

If you have worked hard in producing a new feature, you definitely want it to be successful to the eye of the user. But how do you measure…
Go to the profile of Claudia Minardi
Claudia MinardiMar 31
403: Cursed by CORS

403: Cursed by CORS

403 Forbidden? CORS filters require the Content-Type always to be set to one of the white-listed values.
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Ronny RoellerFeb 10
Who blocks my Youtube embed (Cordova/Phonegap)?

Who blocks my Youtube embed (Cordova/Phonegap)?

Apache Cordova (formerly PhoneGap) allows developers to build mobile apps with HTML+CSS+JavaScript.
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Ronny RoellerMar 15
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Collaborne Engineering
Collaborne Engineering

Tech lessons learned while making innovation smart, simple and sticky. A place for Collaborne engineers to geek out over all things interesting. #SaaS #Javascript #Polymer #Java #Elasticsearch #AWS

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