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This session is so awesome, I just had to post it here so that I Read more
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ack in August when I migrated my blog to Windows Azure Websites and WordPress, I Read more
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Before HTML5 when it came to creating rich interactive maps where one could hover or click any region and see details about them, Flash was the right tool for the job. Right now, though, it is much easier to create maps with JavaScript and, thanks to JS frameworks, it even gets much simpler and jVectorMap [...]
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Crossfilter is a JavaScript library for exploring large multivariate datasets in the browser. Crossfilter supports extremely fast (<30ms) interaction with coordinated views, even with datasets containing a million or more records; Since most interactions only involve a single dimension, and then only small adjustments are made to the filter values, incremental filtering and reducing is [...]
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How do you handle exceptions in your live web app?
Windows Event Logs?
Log files on the web server?
Log tables on a relational database?
Are you using an exception handling framework?
Of course not….. why bother when you can let your users know what the exception was and how they can exploit it to bring your system down?!!!!!
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If you ever created a professional website/application you’ll probably know the value (you’ve probably learned it the hard way as I did 
) of stress testing your web applications.
There are plenty of tools you can use in order to stress test your web site, ranging from Microsoft Visual Studio to CMD Line tools. Yesterday I found another one StresStimulus.
StresStimulus is an extension for Fiddler (an awesome and free web debugging proxy) which enables us to create instant load tests with virtual users.
You can record a browser activity (like creating a user), replay it under concurrent load and get the results for the performance of web pages and the entire test.
If you prefer a simple but powerful tool this one is for you.
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I recently had a conversation with a client about the future of press and how digital magazines and newspapers are the future of the business. When we talked about that I had a few technologies in mind but nothing like Treesaver.
Treesaver is a JavaScript framework for creating magazine-style layouts that dynamically adapt to a wide variety of browsers and devices. Both content and design is shaped with standards-compliant HTML + CSS and no JavaScript programming is required.
It simply searches for the <article> tags and displays the content inside them, makes browsing them possible with prev-next buttons and auto-generates a "contents" menu.
The JavaScript is under 25K gzipped (pretty important for mobile) and works with most modern browsers (degrades gracefully for others).
Note to self: Keep that in mind, it might come handy 
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If you’ve started developing websites using HTML 5 you will surely like this.
W3C announced the official logo of HTML5 where you can insert into your HTML 5 built websites.
Besides the HTML5 itself, there are also logos for the features and principles HTML5 is built around like semantics, offline and storage, CSS3 and more.
Other than the logos in multiple formats (including vector), there is an online badge builder provided where you can customize the icons to be used, select its orientation and get an embed code to start using instantly.
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Last week two security researchers, Thai Duong and Juliano Rizzo, have discovered a bug in the default encryption mechanism used to protect the cookies normally used to implement Forms Authentication in ASP.NET. Using their tool (the Padding Oracle Exploit Tool or POET), they can repeatedly modify an ASP.NET Forms Authentication cookie encrypted using AES and, by examining the errors
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I’ve been involved for quite some time now with a new Microsoft project codenamed “ WebMatrix ” but couldn’t say anything about it since all the info was under NDA. Today though, the public availability of the Microsoft WebMatrix Beta was announced, so I guess I’m no longer bound by the NDA agreement and can let you in on a few things. So first let me clarify a few things, and to do
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Since I’ve started talking about Sliverlight and analytics yesterday I thought this is probably the best opportunity to mention Silverlytics (Silverlight + Analytics). Built by Location3 Media an interactive marketing company, Silverlytics is a multitenant Windows Azure-based analytics service that uses Microsoft Live Labs Pivot for its data visualization. All of its data is collected
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A common misunderstanding and argument I get, for not building web applications using Silverlight technology, is often, the lack of a way to keep stats of your application traffic. So I thought this worth a blog post in order to put a few things right and let people know that there is actually a solution they could use. This solution is Microsoft Silverlight Analytics Framework . Microsoft
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This weekend I got the chance to speak about IE8 and the future (the next version IE9) in a different event from the ones I’m used to speak, MediaCampAthens . MediaCampAthens intends to bring together new media enthusiasts, explorers and professionals to share the current state and their visions for the future of the web, arts, new media, interactive advertising and marketing throughout
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A few months back I’ve started working with Giorgio Sardo on a Facebook IE8 Web Slice. In fact there were a few people that already were aware of that and have been bugging me for the download link ;-) since my TechEd 2009 interview and my IE8 talk at Microsoft Dev Days where I’ve shown just a glimpse of it. Well your wait is over, yesterday Microsoft officially released a set of very
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Wow these are great news, I’m going to participate at TechEd Online TechTalk series this year. I’ m going to be interviewed be Giorgio Sardo on how to build an IE8 Web Slice . The official description of the talk is Are you interested to light up your site on IE8? The MVP Konstantinos Pantos will share his experience building a web slice; we will also talk about some handy tip and trick
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So it’s time for me to reveal what I’ve been up to for the past 6 months. As some of you may already know, I moved to a new start up company about six months ago, called Metadata (I know the site isn’t quite ready yet, but we focused on the product instead of the site), where I was assigned the task of designing and building a solution for Content Management. The company business strategy
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Most of the people I meet have this idea that they have to either buy or find an open source third party component, or (even worse) use flash, when it comes to drawing graphs for a web application or site. So I’m guessing that most people don’t know that the Data Visualization Group within the SQL Server Reporting Services Team has created stand-alone ASP.NET and Windows Forms Chart
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