Some stuff about Web and .NET development
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  • Where are you from ?

    Posted on April 26th, 2010 Thibaut 1 comment

    My blog being a little more than 1 year old now, I wondered what’s my audience in the world. So here are the results based on Google Analytics :

    Audience in the world

    Visits worldwide

    First observation : audience is worldwide, which is pretty cool.
    Second observation : top 5 countries are

    1. United States
    2. Belgium
    3. India
    4. United Kingdom
    5. France

    These results aren’t surprising to me :

    • My blog being written in english, US is the biggest audience
    • Myself living in Belgium and blogging about belgian events (such as Visug, Techdays), here’s why this little country ends up second
    • India, offshoring a lot of software development, holds the third place
    • UK : same conclusion as for the US
    • France : having started recently to blog some posts in french, it has led France to enter the top 5

    1st : United States

    Visits from the US

    Best audience is coastal states. Makes sense in a way : isn’t the pinnacle of the geek attitude to be on the beach, laptop on the knees ? ;)

    Top 5 states are :

    1. California : has always be my highest audience in the US since the beginning
    2. Washington
    3. New York
    4. Texas
    5. Florida

    2nd : Belgium

    Visits from Belgium

    Best audience is Brussels area and the north of the country. Hey walloon guys, what are you doing ?

    3rd : India

    Visits from India

    Top 5 cities in India are :

    1. Bangalore
    2. Chennai
    3. Hyderabad
    4. Pune
    5. Mumbai

    And that’s it for this post ! Thanks everyone for your interest in this blog !

    See you ;)

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  • Techdays 2010 - Day 2 (1 april) : my notes

    Posted on April 22nd, 2010 Thibaut No comments

    And here’s the second and last part of my notes taken at Techdays 2010.

    Session 1 - Unkeynote
    By Scott Hanselman

    • A quick recap of ASP.NET 4.0 new features, such as :
      • Clean HTML : specify client IDs (better for JS and CSS)
      • ViewState improvements (enable it just for some controls, …)
      • Charts
      • Cache extensibility : HDD based caching
      • Customized Web.Config (staging, prod, …)
      • Clean URLs for WebForms (REST)
      • Client-side binding in JS
    • MEF : Managed Extensibility Framework (design applications as components able to interact with others)
    • Parallel Computing : “threading for the masses”, so developers can focus on the business and not on concurrency problems

    Session 2 - Introducing MVVM
    By Laurent Bugnion

    • MVVM stands for “Model - View - ViewModel”
    • Advantages :
      • More testable
      • More maintainable
      • Blendability (ability to be edited in Microsoft Blend)
    • A lot of code examples
    • Laurent Bugnion has created the MVVM Light Toolkit, intended to accelerate the creation and development of MVVM applications in WPF, Silverlight and in the Windows Phone 7.

    Session 3 - Visual Studio Tips
    By Sara Ford

    • Sara is author of a book about Visual Studio Tips, such as shortcuts, productivity enhancement tips, … And the session was a sample from this book
    • You can find the tips she’s given on her dedicated blog entry

    Session 4 - What’s new in ASP.NET 4.0
    By Fritz Onion

    • Javascript intellisense + snippets
    • Routing (ASP.NET MVC URLs style)
    • ViewState improvements (ability to enable/disable it for a particular control, disable it application wide, …)
    • Ability to specify a ClientID (which is better for Javascript and CSS, no more need to use “ends-with” selectors
    • SessionState : store the session of the user in DB
    • Meta tags : ability to specify them code behind
    • Charts : a large collection of charts (including some based on Dudas charts)
    • QueryExtender : create filters for data that is retrieved from a data source, without using an explicit Where clause in the data source

    Session 5 - Software testing with Visual Studio 2010
    By Brian Keller

    • Software bugs cost billions of $ each year in the U.S
    • Today, still too much manual testing (about 70%)
    • Introducing Testing Center : interface to configure test plan :
      • Type of logs to produce
      • OS or browsers to test with
    • Test recording : user is performing actions being recorded and can be replayed later => about 20x faster than manual testing
    • If a test case fails : video to show what happened
    • Intellitrace : listing all the events and processes done by the app. Very useful to find quickly what went wrong (instead of placing breakpoints, doing some guess work, re-running the app, …)

    Session 6 - ASP.NET AJAX 4.0 : what’s new
    By Fritz Onion

    • Fritz started by announcing that Microsoft decided to make jQuery the primary way to develop AJAX apps using Microsoft technologies (officially announced by ScottGu at MIX in March)
    • As a consequence, no more effort will be put by Microsoft in the MS AJAX library
    • No notes to list here as the session was obsolete following that announcement

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  • Techdays 2010 - Day 1 (31 March) : my notes

    Posted on April 19th, 2010 Thibaut No comments

    I finally take the time to blog my notes about the 2010 edition of the Techdays, after some pretty busy weeks of work dealing with deadlines.

    Session 1 - Developer keynote
    By Anders Hejlsberg, Hans Verbeeck, …

    • Evolution of computer languages (from Turbo Pascal to now) and evolution of hardware (HDD capacity : 100 000 x, RAM : 10 000 x, CPU : 1 000 x)
    • Evolution of tools : debugger, profiler, huge frameworks, …
    • 3 major trends today
      • Dynamic
      • Concurrent
      • Declarative (more on WHAT instead of HOW)
    • Multi-core CPUs : need to develop accordingly (Parallel Linq, Task Parallel Library, …)

    Session 2 - Silverlight 4 & WPF 4
    By Gill Cleeren and Katrien De Graeve

    • Silverlight 4
      • Printing : visual tree to select what to print
      • Drag & drop : even from an external app (eg : drag an image from the explorer to Silverlight). Also works on Mac
      • Right-click support
      • Webcam & microphone support enabling powerful applications : scan barcodes with the webcam, …
      • RichTextBox : rich formatting (fonts, colors, images, …) into a TextBox
      • Out of browser enhancements : notification windows with custom look, complete control over the window (change the size, no borders, …)
      • Trusted out of browser apps : go beyond the sandbox
    • WPF 4
      • Visual Studio 2010 : built onto WPF
      • Better tooling : similar to WebForms design
      • Support for Win7 : multi-touch, ribbon, taskbar manipulation, …
    • When to use Silverlight or WPF ?
      • Tip of Gill Cleeren : “make Silverlight the default choice for business apps unless you require specific WPF features”

    Session 3 - C# 4.0 and beyond
    By Anders Hejlsberg

    • Dynamic keyword : be static as much as you can (compilation checks, performance, refactoring, error checking, …). dynamic should be use to simplify the syntax (replacing invoke, binding flags, etc)
    • Optional & named parameters : avoid multiple overloads, supply default values. Better experience with interop : no more 15 “missing” parameters
    • Co & contra variance : to simplify, developers can now work easier with collection types, and have less problems with linq queries
    • Compiler as a service : API of the compiler (meta programming, language objet model, …). Introduction of the new CSharpEvaluator class

    Session 4 - ORM with entity framework in .NET 4.0
    By Kurt Claeys and Hans Verbeeck

    • ORM : working with relational tables like objects in memory
    • Why use it ?
      • Productivity
      • DB independance
      • Hides complexity, uniform way of working
    • Entity framework is a Microsoft strategic technology (they use it in Reporting Services), which is a sign that they bet a lot on it
    • 2 ways of working
      • Model first : DB doesn’t exist yet, design classes and generate SQL code from it
      • DB first : DB already exists, generate classes from it

    Session 5 - ASP.NET MVC 2 : ninja black belt tips
    By Scott Hanselman

    • First, Scott gives us a tip to avoid repeating the same code : use T4 (text templating) to automate it (related article)
    • Hybrid apps : you don’t have to choose between ASP.NET Webforms & MVC. Ex : codeplex is written with both, some parts being exclusively WebForms or MVC
    • Then, a lot of demos…

    Session 6 - Building Windows Phone apps with Silverlight
    By Giorgio Sardo

    • A lot of demos in this session about what can be done with the phone (layout rotation, custom styling, …)
    • To summarize, a citation from the speaker : if you’re a Silverlight developer, you’re a Windows Phone developer

    And that’s it for the first day ! See you in a next post for my notes about day #2 ;)

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