Hi, my name is Lee.
I'm a writer,
a developer and a technical trainer.
I create fixes and I fix headaches...
Welcome to my tech blog.
28May

Chrome 43 breaks Ext.menu.Menu submenus in Ext JS 4 and how to fix it.

A few days ago, I mentioned Chrome 43 which breaks a couple of things in Sencha Touch 2.4. Unfortunately also Ext JS 4 developers, experienced some problems. Google Chrome version 43 breaks the Ext.menu.Menu submenus, when hovering over the items. Currently our engineers are working on a solution. As soon as it’s fixed, you will […]

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Category: Ext JS
26May

Chrome 43 breaks Sencha Touch / modern toolkit and how to fix it.

Lately, I received a couple of questions about the latest Chrome 43.x version, which breaks Sencha Touch 2.4 apps (or Ext JS 6 modern toolkit apps) due the deprecation of the overflowchanged event. It actually breaks the following classes: Ext.util.PaintMonitor and Ext.util.SizeMonitor. You will notice this bug when trying to scroll in a list component. […]

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22Feb

My SenchaCon introduction

On April 7-9 in the heart of Silicon Valley at the Santa Clara Convention Center, Sencha is organising a huge developer conference. It’s going to be three days jam packed with nearly 50 technical sessions led by Sencha engineers, partners and key customers. – Register today! Save 20% off the price with discount code: LeeBoonstra. […]

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Category: Sencha
13Feb

Additional SenchaCon 2015 information & discount!

Are you as excited as I am for Sencha 2015? On April 7-9 in the heart of Silicon Valley at the Santa Clara Convention Center, Sencha is organising a huge developer conference. It’s going to be three days jam packed with nearly 50 technical sessions led by Sencha engineers, partners and key customers. You’ll learn […]

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25Nov

How to localize your Sencha Touch applications

I live in Europe; in Europe they speak about 23 languages. In some countries it is even common to speak more than 2 or 3 languages. Especially for these countries localisation of applications and websites is very important. So you need to come up with a strategy on how to localize all your views. In […]

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Category: Sencha Sencha Touch
17Nov

How to fix too large Save Image/Web windows in Mac OS X Yosemite

With the release of Mac OS X Yosemite; all my save Web/Image browser windows of Google Chrome are too large. These windows are so large, that the buttons Save and Cancel are hidden, which you can’t reach. And that’s annoying; cause when you want to get rid of this window; you can hit “Enter”; which […]

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Category: Sencha
3Sep

Make a native build with Ext JS 5, Sencha Cmd 5 and Phonegap / Cordova with plugins.

With the release of Ext JS 5; we finally have Touch experience in the framework. So yes, you can start creating tablet applications. Maybe you are now wondering, can I also package Ext JS 5 apps with Apache Cordova or Adobe Phonegap, so I can sell my app in the App Stores? Well yes, you […]

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19Aug

Git Cheat Sheet

Here’s a cheat sheet with all the Git command-line actions we can do: Create a Git repo from the command line: * Go to https://github.com/mygitname?tab=repositories Create “New” repository. (for example myrepo) * Create .gitignore: .project .settings .classpath .idea ###################### # OS generated files # ###################### __MACOSX .DS_Store ._* .Spotlight-V100 .Trashes ehthumbs.db Thumbs.db ############ # Packages […]

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Category: Environment Git
18Jul

Some Sencha news from me!

Hi guys, I just wanted to share some personal Sencha updates with you! Hands-on Sencha Touch 2 – O’Reilly First of all, my book “Hands-on Sencha Touch” is finally printed. I spent a lot of time, discussing the latest Sencha Touch framework and with this book it’s possible to build mobile web applications. Checkout the […]

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Category: ExtJS 5 Sencha
8Jul

Using Custom Fonts with Sencha Architect

Back in the days when websites were restricted to typical fonts such as Arial, Georgia, Times and so on, fonts were delivered from the user’s machine. Fortunately today, because of HTML5 and CSS3, browsers support embedded web fonts. This time, I will explain how to use custom fonts with Sencha Architect. For this tutorial, I […]

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Category: Architect CSS Sass Sencha

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