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Mirrored Weblogs
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Some time ago I was involved in a project of creating an online store for a Greek firm. The store was to be implemented using dotnetnuke. I made a research back then to find what was the most appropriate dotnetnuke module for that particular case. I run into a blog post which was presenting some, but the most interesting part was the comments under it. If you search you will find a couple of mine also there. Its been several months now that I keep getting notifications about new comments on that post. The discussion goes on and on... Its quite interesting, have a look... Permalink | Leave a comment »...
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In this post I will show you how to create an ASP.NET Dynamic Data Web Site with VB.Net Διαβάστε περισσότερα »...
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In the past we mainly processed huge datasets, fast. Today we handle complex processes more aligned to business, in a cost-effective and adaptable manner. In other words we maintain high standards of availability and reliability while reducing development time. The architect’s life got exciting! Thursday 22 October , the DotNetZone community invites you to the 1st DotNetZone Architecture Διαβάστε περισσότερα »...
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Join us on the 27th of October at Microsoft Innovation Center to learn all about RIA Services. More Info about the event here: http://www.dotnetzone.gr/cs/forums/thread/54386.aspx Facebook Event Page Save to Outlook Διαβάστε περισσότερα »...
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WINDOWS PHONE Καλώς ήρθατε στο Windows Phone Marketplace Ελάτε και μάθετε όλα όσα χρειάζεται να ξέρει ένας προγραμματιστής όταν ενδιαφέρεται να βγάλει την εφαρμογή του στη διεθνή αγορά! 20 Οκτωβρίου 2009 στο Κέντρο Καινοτομίας (Βασιλίσσης Σοφίας 103 – Δίπλα στο σταθμό του Μετρό: Μέγαρο Μουσικής) Είστε προγραμματιστής? Πιστεύετε πως το μέλλον στο σχεδιασμό εφαρμογών βρίσκετε ‘στο κινητό Διαβάστε περισσότερα »...
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When using ORM tools like XPO and even more when using application frameworks like Xaf since they create the database for you you often change your object so much that you have to drop the database in order your ORM to create it again so you do not have to deal with any kind of conflict. Tired of doing that I wrote a small DxCore addin and added to expand addins. To use it you have to configure it by telling which connection string will use from your application configuration file and bind the dropDatabase command to any shortcut key you like eXpand is available at http://code.google.com/p/expandframework/ Technorati Tags: DxCore , Visual Studio plugins Διαβάστε περισσότερα »...
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In previous posts ( Part 1 and Part2 ) I have presented the implementation of a toy application using the Model-View-Presenter pattern and Routed Commands. In this final post, I will present the migration to MVVM. In Part2 , we have reached a point where we have managed to partly centralize the logic that is needed to be implemented for each Command but we were not yet fully satisfied with the wiring that needed to be done in the code-behind file. So, we will try to tackle this problem: Approach #4 Our first Διαβάστε περισσότερα »...
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In my previous post , I have presented the first two approaches for implementing the GUI and the logic of a toy application: Approach #1: All the logic in the code behind file. Approach #2: The Model-View-Presenter pattern. In this post, we will pick up from where we stopped, in our route to migrate to the benefits of the MVVM model and the use of Commands. It is recommended to take a look at the previous post in order to get an idea of the application and the two previous approaches) Approach #3: A hybrid MVP Διαβάστε περισσότερα »...
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Υπάρχουν σενάρια που χρειάζεται να ξέρετε πότε ένα καινούριο αρχείο δημιουργείται σε έναν κατάλογο, ή πότε γίνεται rename, ή πότε αλλάζει το Last Changed timestamp για να κάνετε διάφορες εργασίες. Έστω το σενάριο, ότι έχετε ένα εξωτερικό εργαλείο που κάνει κάποια λειτουργία μετατροπής αρχείων. Για να μπορείτε να αντιληφθείτε πότε το αρχείο γράφτηκε στο folder που παρατηρείτε και να αντιγράψετε το αρχείο αυτό κάπου αλλού, ή να το επεξεργαστείτε, μπορείτε να χρησιμοποιήσετε το FileSystemWatcher του .NET. Παρόλα Διαβάστε περισσότερα »...
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Ένα ωραίο πάζλ από όταν ήμουνα "Λυκόπουλο" πίσω στις αρχές τις δεκαετίας του '80: Δεκατέσσερα πουλιά είναι κλεισμένα σε τούτο το κλουβί. Μπορείς να τα βρείς; (Είναι γραμμένα οριζόντια, κάθετα και διαγώνια). Π Θ Σ Π Ο Υ Ρ Γ Ι Τ Ι Φ Γ Φ Λ Ω Ρ Ο Σ Β Α Ε Μ Ο Π Ε Ε Φ Ο Σ Ο Α Ι Π Ο Τ Κ Ο Ρ Α Κ Ι Υ Γ Λ Α Δ Σ Α Κ Ι Ζ Θ Υ Σ Ι Ε Π Ρ Α Ρ Α Μ Δ Σ Τ Ο Ρ Θ Α Ε Λ Δ Κ Ο Υ Κ Ο Υ Β Α Γ Ι Α Διαβάστε περισσότερα »...
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I run into an (one year) old article of Udi Dahan today. He explains how REST can be used to scale up an application, of course without the need to add additional hardware. The idea is simple. If you have a SOAP web service that thousants of clients call, then a common practice would be to add caching behind it, in order to avoid hitting your database (or other resources) for each request. Common and cheap practice that works up to some extend. However, If you use REST instead of SOAP for your service, then Διαβάστε περισσότερα »...
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If you are tired of writing both parts of an association or if you want to add an association to an object that you do not own check eXpand ’s ProvidedAssociation attribute. Creating OneTo Many public class Employee:BaseObject { public Employee(Session session) : base (session) { } private EmplyoeeContract _EmplyoeeContract; [ProvidedAssociation] [Association( "EmplyoeeContract-Employees" )] public EmplyoeeContract EmplyoeeContract { get { return Διαβάστε περισσότερα »...
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A year has passed and it’s time for the Microsoft TechEd 2009 conference. This year the conference will be hosted at beautiful Berlin. Luckily I’ll be able to attend it (I wouldn’t miss it for the world) so drop me a line if you feel like saying hello. I'll be available if you want to discuss about ASP.NET, my projects – work , or .NET in general :-) For those of you that haven’t registered Διαβάστε περισσότερα »...
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Δείτε παλαιότερη απάντηση του Υπ. Οικονομικών σε πρόταση του συλλόγου ΠΟΔΗΛΑΤΕΣ για υπαγωγή των ποδηλάτων σε χαμηλότερο συντελεστή ΦΠΑ. Υποθέτω το ίδιο θα απάντησαν σε όποιους ζήτησαν τα κράνη μοτοποδηλάτων/μηχανών να έχουν φθηνότερο ΦΠΑ αντί του 19% ("είδος πολυτελείας" λεγόταν κάποτε ότι είχε το μεγαλύτερο συντελεστή ΦΠΑ). Αντί δηλαδή να πουν τι θα κάνουν για να αλλάξει Διαβάστε περισσότερα »...
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DictionaryDifferenceStore has been refactored and added the following features Localization Support Multiple application support Ability to change application model without restarting User,Role differences for web and win environments Persist web settings instead of cookies to the database Ability to work as a standalone module without having to inherit eXpand.ExpressApp.Win.WinComponent/WebComponent as you saw in previous videos Martin Praxmarer provided great help in that refactoring and I am going to host him here to speak on some of the above subjects and I ll speak on the rest Here are the issues implemented / fixed issues see also: How to get eXpand latest version Technorati Tags: ModelDifference , eXpand Διαβάστε περισσότερα »...
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For days now Vista has been bugging me about an update that just would not install (KB967723). Even if I would shutdown the machine, it would just try and fail. And not simply fail... but give me an amazing error... Διαβάστε περισσότερα »...
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If you have already started playing around SQL Azure you will have probably stumbled on the limitation the SQL Management studio has. So I think you’ll find SQL Azure Explorer rather useful till Microsoft synchronizes its toolset with the Azure platform. SQL Azure Explorer is an addin for Visual Studio 2010 Beta 1 that will enable you to manage you SQL Azure Tables just live the Visual Διαβάστε περισσότερα »...
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In this post I will try to show the application of the MVP and MV-VM programming approaches and the use of WPF commands in them. I will start with a simple Window in WPF with all the code intertwined in the code-behind file and transform it to a Window with no code at all at the code-behind file, showing the separation between the view and the logic that is achieved with MV-VM and Commands. The Window is the following: The "Add Client" adds a new client, the "Delete Client" removes the selected Διαβάστε περισσότερα »...
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I have some bad and some good news. The bad first, until we manage to have full continuous integration in order eXpand new features to be immediately available (nightly builds) we are not going to make any more releases. eXpand release policy will be the same as DevExpress that is we make a release exactly after DevExpress And now for the good. eXpand will provide build scripts that you can use them to compile the source code. The trunk of source code will contain the most current work. So you first download the code as shown at How to download eXpand source code from google subversion and along with the code a set of batch files will be downloaded. You just double click at buildall.bat and eXpand will be compiled and register to the gac. To unregister it use Διαβάστε περισσότερα »...
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Hi I always had a strange fascination about batch files in Windows. I like automation, but for some reason I don't like using an elephant gun (Perl, Powershell) to shoot a mosquito. Plus I like the automation stuff to work... Διαβάστε περισσότερα »...
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Your company builds web sites and web application on behalf of others. Your company currently has less than 10 employees. THEN THE FOLLOWING IS GIVEN FOR FREE TO YOU 3 licenses of Visual Studio 2008 Professional Edition 1 license of Expression Studio 3 (which includes Expression Blend, Sketchflow, and Web) 2 licenses of Expression Web 3 4 processor licenses of Windows Web Server 2008 R2 4 processor licenses of SQL Server 2008 Web Edition DotNetPanel control panel (enabling easy remote/hosted management of your servers) VERY VERY COOL anoucement today by ScottGu as part of the WebsiteSpark program Technorati Tags: Free Microsoft , WebSitePark Διαβάστε περισσότερα »...
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Today I faced a nice little issue. It wasn’t something mindblasting and the solution wasn’t somehow innovative, but rather a 5-minute issue to resolve (If I had said the ABC out loud first). Instead it was a 30 minutes work. I was asked to make a new WCF web service to provide some functionality for our business case. Some structural background on the project I was working on: It is a Silverlight application, with client-side data management UI, a server-side with (web) services supporting our business logic Διαβάστε περισσότερα »...
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You have a nice day, but something is missing. Your first debug tryout, after some hours of refactoring and new feature coding. After the successful built, you get your first exception (the usual handled exception that is logging something). Usually the exception is self-explained, it gives you the right information and with a little bit of help from the call stack you pin-point the failure. So, let’s see the code…xmmmm…the error is somewhere on my tested-and-working-perfect-until-now part of my module… The Διαβάστε περισσότερα »...
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How many of you, have experienced an embarrassing –at yourself- code bug situation? You know, that you were better than this one, but you don’t want to admit it. You go home at night, thinking about it. You dream of it, laughing in your face…it’s laugh jumps out, through the code blocks, haunting your existence… it isn’t a logical error in communication of the wireless sensor network you recently engineered, it is a bug, residing in your configuration file… it isn’t an algorithmic fault, in your genetic algorithm Διαβάστε περισσότερα »...
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Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. It is a free download (note that your PC must be running genuine Windows) from Microsoft. It’s easy to tell if your PC is secure — when you’re green, you’re good. The antivirus runs quietly and efficiently in the background without interruptions Διαβάστε περισσότερα »...
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