Archive: 2012

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Recap my online year 2012

The year 2012 was for me a year that went way to fast. In the year 2012 I learned a lot new stuff, wrote several blog posts and read lots of blog posts and articles. First of all I want you to give a list of all blog posts I wrote this year. You can find the complete list here http://marcofranssen.nl/2012/ and here http://marcofranssen.nl/2012/page/2/. JavaScript http://marcofranssen.nl/writing-modular-javascript-without-polluting-the-global-namespace/ http://marcofranssen.nl/knockout-js-mappings/ Windows 8 http://marcofranssen.nl/install-windows-8-consumer-preview-on-vhd/ http://marcofranssen.nl/install-windows-8-from-rusty-256-mb-usb-stick/ Windows Phone http://marcofranssen.nl/minesweeper-7/ http://marcofranssen.nl/shortify-for-windows-phone-7/ http://marcofranssen.nl/sokoban-7/ http://marcofranssen.nl/windows-phone-theme-colors/ ASP.NET MVC http://marcofranssen.nl/secure-your-web-app-fluently/ .NET C#  http://marcofranssen.nl/delegate-your-equality-comparisons/ Powershell http://marcofranssen.nl/unblock-downloaded-files-with-powershell/ I even wrote a non-technical article http://marcofranssen.nl/pitching-equals-invisible-convincing/ Second I want to share my starred articles from my reading archive. I used pocket to bookmark, read and archive my articles, which enables me now to share all starred articles with you.

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Knockout JS mappings

Knockout JS is a JavaScript library for creating MVVM JavaScript libraries. In a previous post I already showed some of the cool features of Knockout. http://marcofranssen.nl/knockout-that-cascading-dropdown/ If you want to spike your knowledge on Knockout a little more first, please visit Knockout’s documentation. In this article I want to zoom in on the Knockout mapping plugin. The Knockout mapping plugin enables you to easy map your JSON object into an observable JavaScript object. So here is a short example of what you’ll be able to do with it. So when you do an ajax request and receive a JSON result you can for example do the following. 12345678910111213141516var viewModel;// result could look like this: "{ "personId": 1, "firstName": "Marco", "lastName": "Franssen", "age": 26, "webpage": "http://marcofranssen.nl", "twitter": "@marcofranssen" }"$.ajax({ url: 'http://somewebpage.net/getPerson' type: 'GET', dataType: 'JSON', success: function (result) { var data = JSON.parse(result); viewModel = ko.mapping.fromJS(data); ko.applyBindings(viewModel, $('#person').get(0)); }, error: function (result) { //handle the error, left for brevity }});

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Windows Phone Theme colors

When developing Windows Phone apps I love to use the theme accent colors in my apps. Since there are some new theme colors in Windows Phone 8 I started searching for their color codes. Lucky me I found them on msdn.aspx#BKMK_Implementation “Theme for Windows Phone”). Now you may be thinking how to use the colors in your own Windows Phone apps. The Color object doesn’t contain a color called Emerald. So I created a small class to help me out with this issue. First of all I created a small static helper method to convert the hexa colors to a color object. So we are able to put in the hexa color string and the function returns a color for us. 123456789public static Color FromHexa(string hexaColor){ return Color.FromArgb( Convert.ToByte(hexaColor.Substring(1, 2), 16), Convert.ToByte(hexaColor.Substring(3, 2), 16), Convert.ToByte(hexaColor.Substring(5, 2), 16), Convert.ToByte(hexaColor.Substring(7, 2), 16) );} Then I made some properties that caches the colors for us on their first use. The Color properties looks like this.

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Unblock downloaded files with PowerShell

Have you ever got in the situation that you downloaded a zip-file and figured out to late the files are blocked? So you extracted the zip file into a folder with existing items. It will be damn hard t

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Install Windows 8 from rusty 256 MB USB stick

This is the fourth time I installed Windows 8. This time I installed it on my personal notebook instead of a VHD, because Windows 8 is finally ready to market. So I started with downloading the enterprise edition from my MSDN subscription. Unfortunately my USB drive died so I had no storage large enough to put the image on and boot from. So I started thinking to install it over the network. Luckily me I still had my rusty 10 year old 256MB USB drive which perfectly fits a Windows PE image. So I also downloaded the Windows 8 ADK to make a Windows PE boot image. First install the Windows 8 ADK. Then open a command prompt and, key in the following commands to create a image. 123mkdir c:\winpe_amd64call copype.cmd amd64 c:\winpe_amd64Makewinpemedia /ufd c:\winpe_amd64 F: The first command makes a directory on your c: drive and can be removed afterwards. The second command creates all the necessary files for a 64 installation. The third command copies the files to your usb drive (in my case F:) and makes it bootable. If you need a 32 bit installation replace amd64 with x86. Then create a share on a pc in your network and extract the contents of the Windows 8 iso to the network share. Make sure you configure the security to allow everyone to access it. Also make sure your firewall responds to ping commands, this comes in handy when trying to connect to the share. I created a share called Win8.

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Secure your web app fluently

When building a big web application with ASP.NET MVC 3 I ran into a problem to secure my web application in a maintainable way. There are lots of examples with attributes, but this isn’t maintainable. So I started searching for other solutions, however most of the information is leaning on those un-maintainable attributes I finally found “Fluent Security“. What does Fluent Security offer you? Fluent Security provides a fluent interface for configuring security in ASP.NET MVC. No attributes or nasty xml, just pure love. Go get it on NuGet! What does that mean? Well it simply means you can bootstrap your security just from your Application_Start() and maintain it on a single place. Besides that you can easily unit test your security setup. So you can test if your security configuration matches the security setup you described in your unit tests. This is a huge advantage because you know for sure the controller actions are secured the way you like it without having the need to click through your complete web application. You can only fail when not defining your tests correctly. That’s not all… You can easily extend, modify etc. by adding your own implementations of the interfaces. Let me start to show you some code so you see for yourself how easy it is! My example is based on a default MVC 3 application and I have added a CategoryController like below to have some extra actions for my example.

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Sokoban 7

Sokoban 7 is a classic puzzle game, the first version of Sokoban was published in 1982. Now it is also available on Windows Phone. The game includes 50 levels and will gain periodic updates with new l

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Delegate your equality comparisons

When using Linq on your Entity Framework objects, you often need to distinct your query results. Therefore you need to implement an IEqualityComparer for the more advance scenario’s. For example if yo

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Minesweeper 7

Today will be again a milestone for me. Today my first Windows phone app “Minesweeper 7” got certified. This app is just a port of a minesweeper version I made once with winforms. It is very basic and

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Pitching equals invisible convincing

During the last year I learned and read a lot about convincing people. In this article I want to share some tricks to apply it yourself. Oh, its my first non technical article. So this will be a mile