Enabling Wake on USB in Kodi

Posted May 8th, 2015 in Linux

For those lucky Kodi users still owning an NYXBoard Hybrid, wake on USB is essential for a seamless HTPC experience. Below I’ll explain each step in getting that happening as well as some skin customisations to make things a little nicer down the road.

Wake on USB comes in 2 stages:

  1. Enabling it in the BIOS
  2. Enabling it in the OS

For this tutorial I’m running an Intel NUC 54250WYK with OpenELEC.

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Specify JQuery UI Ajax Tabs Panel Element

Posted May 6th, 2015 (Updated 11 May 2015) in Uncategorized

JQuery UI supports a really handy feature called content via AJAX whereby when you click/display a tab, it will create a div element to load your content into, then perform the AJAX call and drop it in. But what happens when you want to specify the element to load the AJAX request into? Thankfully after a bit of digging around it’s not only possible, but pretty easy.

Here’s an example of AJAX load with JQuery UI Tabs:

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<div id="tabs">
    <ul>
        <li><a href="ajax-content-1.html">Tab 1</a></li>
        <li><a href="ajax-content-2.html">Tab 2</a></li>
        <li><a href="ajax-content-3.html">Tab 3</a></li>
    </ul>
</div>

And here’s how you can specify the panel elements. Simply add an aria-controls attribute to your tab LI element that points to the ID of your target panel element:

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<div id="tabs">
    <ul>
        <li aria-controls="my-first-tab"><a href="ajax-content-1.html">Tab 1</a></li>        <li aria-controls="my-second-tab"><a href="ajax-content-2.html">Tab 2</a></li>        <li aria-controls="my-third-tab"><a href="ajax-content-3.html">Tab 3</a></li>    </ul>
 
    <div id="my-first-tab"></div>    <div id="my-second-tab"></div>    <div id="my-third-tab"></div></div>

 

Demo

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Remembering Active Tab in JQuery UI Tabs

Posted April 23rd, 2015 (Updated 11 May 2015) in Uncategorized

If you refresh or come back to a site often, it’s handy to have JQuery UI tabs remember which tab you were last on as you left. This simple script will handle that for you:

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jQuery(function($) {
    var index = 'qpsstats-active-tab';
    //  Define friendly data store name
    var dataStore = window.sessionStorage;
    var oldIndex = 0;
    //  Start magic!
    try {
        // getter: Fetch previous value
        oldIndex = dataStore.getItem(index);
    } catch(e) {}
 
    $( "#tabs" ).tabs({        active: oldIndex,
        activate: function(event, ui) {
            //  Get future value
            var newIndex = ui.newTab.parent().children().index(ui.newTab);
            //  Set future value
            try {
                dataStore.setItem( index, newIndex );
            } catch(e) {}
        }
    });
});

No other code is necessary. Add your tab markup as you normally would (Remember to give it a matching ID):

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<div id="tabs">	<ul>
		<li><a href="#tabs-1">Tab 1</a></li>
		<li><a href="#tabs-2">Tab 2</a></li>
		<li><a href="#tabs-3">Tab 3</a></li>
	</ul>
	<div id="tabs-1">
		first tab
	</div>
	<div id="tabs-2">
		second tab
	</div>
	<div id="tabs-3">
		third tab
	</div>
</div>

 

Demo

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Bulk Convert MP4 to MKV Without Reencoding

Posted March 21st, 2015 in Uncategorized

If you have a bunch of MP4 files and want to convert to MKV without needing to reencode each file, this can be done with a super handy little tool called avconv.

Install avtools

You’ll need homebrew for this step.

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brew install avtools

 

Do the conversion

I have a folder of MP4 files. To bulk convert them:

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for f in *.mp4; do avconv -i "$f" -codec copy -map 0 "${f%.mp4}.mkv"; done

The above will create identically named MKVs next to your MP4s. Once you’re happy, just delete all your MP4s.

 

Bonus: Bulk merge ASS subtitles

If you have identically named ASS subtitle files next to your shiny new MKVs, you can bulk merge them using mkvmerge from mkvtoolnix with:

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brew install mkvtoolnix
for f in *.mkv; do mkvmerge -o "./muxed/$f" "$f" "${f%.mkv}.ass"; done

Thanks to user MestreLion for his answer on AskUbuntu.

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Creating a Basic ToDo Application in Laravel 5 – Part 4

Posted February 5th, 2015 (Updated 28 Mar 2015) in PHP

Welcome back to my simple to-do application tutorial for Laravel 5. This tutorial is relatively long so I’ve broken it up into multiple posts.

  1. Part 1 – Installation, Database and Routes
  2. Part 2 – Listing Projects and Tasks
  3. Part 3 – Create/Edit/Delete
  4. Part 4 – Validation

The source for each part can also be found on GitHub.

So far we’ve learned how to install and set up Laravel, set up some project and task nested resources and display them to the user. Create, edit and delete functionality has also been implemented. In this chapter we’ll finish things off by adding form validation.

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Creating a Basic ToDo Application in Laravel 5 – Part 3

Posted February 5th, 2015 (Updated 1 Apr 2015) in PHP

Welcome back to my simple to-do application tutorial for Laravel 5. This tutorial is relatively long so I’ve broken it up into multiple posts.

  1. Part 1 – Installation, Database and Routes
  2. Part 2 – Listing Projects and Tasks
  3. Part 3 – Create/Edit/Delete
  4. Part 4 – Validation

The source for each part can also be found on GitHub.

So far we’ve learned how to install and set up Laravel, set up some project and task resources and displayed them to the user. In this chapter we’ll learn how to set up create, edit and delete pages/actions.

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Creating a Basic ToDo Application in Laravel 5 – Part 2

Posted February 5th, 2015 (Updated 9 Feb 2015) in PHP

Welcome back to my simple to-do application tutorial for Laravel 5. This tutorial is relatively long so I’ve broken it up into multiple posts.

  1. Part 1 – Installation, Database and Routes
  2. Part 2 – Listing Projects and Tasks
  3. Part 3 – Create/Edit/Delete
  4. Part 4 – Validation

The source for each part can also be found on GitHub.

So far we have a working database complete with seed data and a bunch of routes for displaying, editing and deleting our projects and tasks. In this second chapter I’ll cover controllers, models (with relationships), views (including the blade templating language and layouts) and route model binding.

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Creating a Basic ToDo Application in Laravel 5 – Part 1

Posted February 5th, 2015 (Updated 13 May 2015) in PHP

With the release of Laravel 5, there have been a bunch of backwards incompatible changes, new features added as well as the usual influx of new users so I thought I’d take the time to redo my basic to-do application with Laravel 5. The app covers a wide range of concepts, links to relevant learning material where possible and should make for a great introduction to the framework.

This tutorial is relatively long so I’ve broken it up into multiple posts.

  1. Part 1 – Installation, Database and Routes
  2. Part 2 – Listing Projects and Tasks
  3. Part 3 – Create/Edit/Delete
  4. Part 4 – Validation

The source for each part can also be found on GitHub.

Today will cover installation, configuration, artisan, migration, seeding and routes.

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How to Install Illuminate/HTML In Laravel 5

Posted February 5th, 2015 in PHP

Laravel 4 contained a Form helpers package called HTML but it was removed from 5 to cut down on cruft. HTML is still available as a first party package though so below are instructions on getting it back.

First require it in:

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composer require "illuminate/html":"5.0.*"

Next up add the service provider and aliases. Open /config/app.php and update as follows:

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'providers' => [
	...
 
	'Illuminate\Html\HtmlServiceProvider',
],
 
'aliases' => [
 
	...
 
	'Form'=> 'Illuminate\Html\FormFacade', 
	'HTML'=> 'Illuminate\Html\HtmlFacade',
],

That’s it. To confirm it’s working use the following:

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php artisan tinker
> Form::text('foo')
"<input name=\"foo\" type=\"text\">"

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How to Bulk Merge MKV and ASS Subtitle Files

Posted January 25th, 2015 in Linux

Today I had a folder of files like so:

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My Video - 01.ass
My Video - 01.mkv
My Video - 02.ass
My Video - 02.mkv
My Video - 03.ass
My Video - 03.mkv
...

I wanted to add the .ass subtitle files to my .mkv containers but I had about 100 videos and didn’t want to do each one manually.

Using mkvtoolnix you can combine the video and subtitles like so (courtesy of Super User):

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mkvmerge -o output.mkv input.mkv subs.srt

Because our files are all nicely named we can use a for loop to iterate this command over them all simply replacing the .mkv extension with .ass in the third argument (See How can I rename all my *.foo files to *.bar, or convert spaces to underscores, or convert upper-case file names to lower case?):

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for f in *.mkv; do mkvmerge -o "./muxed/$f" "$f" "${f%.mkv}.ass"; done

and that’s it! The fixed up files will be in your muxed subdirectory.

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