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From the category archives: David Jones

Internet of Things

Silverlight is Dead. Long live UWP!

 

In a discussion about the demise of Silverlight, I came across this succinct dichotomy (as a diagram) of “Modern” apps in the Windows Mobile context.

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Win 10 Phone running hot – Short battery life: Solution?

My Lumia 930, on the Windows Insider Fast Track started running hot and flattening the battery in about 4 hours, before Christmas after the most recent update.Sad smileThumbs down

I provided feedback but could not find a solution.  Final solution I found that worked was to do a a Factory Reset. I backed up my data first. On reset I let it reinstall my previous apps that were installed etc. SmileThumbs up

Publicise your GitHub IoT Projects

The ms-iot Community Samples site is now open for business. You can list your existing projects on the site along with meta information making it searchable.  http://www.sportronics.com.au/ms_iot_Community_Samples

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Simple solution to : Visual Studio not a valid value for property 'Width'.

I got the following message when I tried to publish a web site from Visual Studio (2015 U3) and when I tried to restart VS after a reboot yesterday:

Microsoft Visual Studio '-84' is not a valid value for property 'Width'. The solution is simple.

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A Nancy-Razor content oriented web site: ms-iot Community Samples (Now live)

Microsoft maintains a suite of sample IoT projects on GitHub at https://github.com/ms-iot/Samples.

Primarily it is a site for appropriate Microsoft staff to maintain the site by

  1. Contributing projects
  2. Extending existing projects
  3. Providing code corrections (bug fixes)
  4. Providing code improvements,

The question is, do they want community contributions? The site was originally worded in its ReadMe it appeared to seek community contributions in all four areas. During a recent discussion I had with the repository principals, it was decided that going forward in the long term, for maintainability, community contributions would only be sought in 3., bug fixes.

To that end, I have created a GitHub repository where developers can deposit a ReadMe.MD (ReadMe replaced by the project name). The file will have a simple textual database record at the top listing project properties, including a relative link to the project’s GitHub repository. The website as discussed here, is then able to get the deposited project ,md files and extract the database records, It then can import them to the site’s database (actually a json file) and save the .md file (without the db record) for display via the web site. The web site is able to list the records (key properties only) which can be filtered/searched and sorted based upon these project properties. Users are then able to select a project and view the complete db record. From there they are able to view the complete project ,md file.

This sequence of blogs briefly discusses the techniques/technologies used for the web site which include:

  • Nancy
  • Razor
  • GitHub API

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Strange HP Laptop Keyboard Fix–It worked for me.

Symptom: Cntrl Key and Fn Key don’t work

System: HP Probook 450G1

Without these keys you can’t do much development.

(Weird) Solution: ……….

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Avnet acquires Hackster .. What does it mean for the Hackster community?

Avnet has acquired Hacker . What does it mean about the openness of Hackster.IO which up to now has been platform and vendor neutral.

 

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Windows 10 UWP Developer pre-provisioned VMs are available–Part 1: Info

Microsoft has released for download, Windows 10 Virtual Machines which are set up to immediately start developing Universal Windows Platform apps. There is a short term trial version that expires as well as a version to which you add a valid license which doesn’t expire. These VMs are also available on Azure.

In Brief

You get a ready to run Windows 10 Anniversary Edition VM with the tools required for UWP app development preinstalled. The trial version will expire whereas you supply a valid Windows 10 Pro license key for the licensed version.  VM images for a variety of hypervisors are available.

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Arduino Bluetooth Keypad Utilities: KeyPadKeysUWPLib

Abstracts the Keypressed event further by interpreting it in terms of the actual key press. Has a delegate for each key which can be programmatically set by the dependant app as the function (implemented in the app) to call when each each key is pressed. Concepotually, sits on top of KeypadUWPLib.

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Arduino Bluetooth Keypad Utilities: Soft Keypad Test UWP App

A simple app to test the KeypadUWPLib. Implements a keypad as part of the app, which when pressed actions the keypad events. Some limitations imposed by lack of KeyUp event with XAML Buttons.

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