copying from an e-mail I received from Skype support: Taking a screenshot on Windows desktop 1. On your keyboard, press the Print Screen (Prt Scr) key to take a screenshot of your entire desktop. To take a screenshot of an active window, press the Alt+Print Screen (Prt Scr) key combination. 2. Save a copy of […]

I was looking into some third-party code, upgrading it from Silverlight 4.x and was getting error ‘The member "Content" is not recognized or is not accessible’ at the following code part: Looking it up, found that you don’t need to bind the Content property of a ContentPresenter at all if you put it inside the […]

Here are some DeepZoom image samples to enjoy via ClipFlair‘s Image component, in our ClipFlair Studio app (Silverlight-based): http://studio.clipflair.net/?image=http://static.seadragon.com/content/misc/blue-marble.dzi http://studio.clipflair.net/?image=http://static.seadragon.com/content/misc/earths-city-lights.dzi ...

The WordPress.com stats helper monkeys prepared a 2013 annual report for this blog. Here’s an excerpt: The concert hall at the Sydney Opera House holds 2,700 people. This blog was viewed about 48,000 times in 2013. If it were a concert at Sydney Opera House, it would take about 18 sold-out performances for that many […]

My contribution to http://stackoverflow.com/questions/1101841/linq-how-to-perform-max-on-a-property-of-all-objects-in-a-collection-and-ret Based on  another answer there, here is what I’ve just added to my enhanced version of SilverFlow library’s FloatingWindowHost (copying from FloatingWindowHost.cs at ...

Το E-Slate / Αβάκιο είναι ένα διερευνητικό μαθησιακό περιβάλλον που έχει αναπτυχθεί από το Ερευνητικό Ακαδημαϊκό Ινστιτούτο Τεχνολογίας Υπολογιστών (EA.ITY). Παρέχει ένα περιβάλλον εργασίας για τη δημιουργία ισχυρά δυναμικού λογισμικού με πλούσια λειτουργικότητα από μη προγραμματιστές. Ιδέες εκπαιδευτικών δραστηριοτήτων μπορούν να μετατραπούν σε ...

I have submitted the following issue to Microsoft Connect (product feedback center): http://connect.microsoft.com/VisualStudio/feedback/details/809084/point-class-issue-with-two-way-databinding Point class issue with two-way databinding   In Silverlight, when using databinding code like the following: <StackPanel ...

I just came across a different behaviour between IE and Mozilla Firefox: scripts at the former seem to execute after the page has fully rendered, while the later they seem to execute when they’re met by the page parser or something like that. The HTML script tag has a defer attribute for running scripts after […]

As explained near the end of https://ui.netbeans.org/docs/ui/code_folding/cf_uispec.html, the NetBeans IDE source code editor supports custom code folding tags for any language, like below (here defining the code folding tag in a Java comment, obviously need to use specific comment syntax for the respective language). // <editor-fold ...

This is my contribution to: http://stackoverflow.com/questions/303116/system-windows-threading-dispatcher-and-winforms Sometimes a Timer component is useful and easy to setup in WinForms, just set its interval and then enable it, then make sure the first thing you do in its Tick event handler is to disable itself. I think Timer runs the code in ...

This is my contribution to http://stackoverflow.com/questions/7178725/version-number-in-winform-form-text I’m using the following at the WinForm of the WebCapture tool I’m making for ClipFlair: public MainForm() { InitializeComponent(); Version version = Assembly.GetExecutingAssembly().GetName().Version; Text = Text + " " + ...

I’m trying to automate grabbing of activity screenshots from ClipFlair Activity Gallery, but most command-line screen capturing tools, like SiteShoter and IECapt fail to get an image from Silverlight content (they get just a background color). Some other opensource tool that I could tweek was ThumbPage, but  that didn’t support command-line ...

I try to remember to use <%– and –%> instead of <!– and –> for comments in server-side web pages, to avoid having implementation details (for security reasons that is) in the output HTML and to keep the download size smaller / have the pages load faster. What came to me though the other day […]

Just noticed that the Java Calendar class breaks the least-user-expected rule (that is don’t make something behave in the least expected way) regarding the indexing of the month value it returns, compared to all other indexed variables it can return (like day of year, day of month, day of week etc.). The former is using […]

At from ClipFlair Gallery metadata input pages for Activities and Clips I had to bind an ASP.net control to a list of files and folders respectively and although I found a Folder Contents DataSource control, it didn’t cover my needs (like filtering of a folder contents). I just contributed my solution using .NET Anonymous Types and […]

In ClipFlair Studio I use DotNetZip (Ionic.Zip) library for storing components (like the activity and its nested child components) to ZIP archives (.clipflair or .clipflair.zip files). Inside the ZIP archive its child components have their own .clipflair.zip file and so on (so that you could even nest activities at any depth) which construct their ...

While creating metadata entry/update pages for ClipFlair’s Activity and Clip Galleries I had the problem of figuring out how to do some initialization (from XML data, loaded from a filename based on the 1st item of a DataBound control), after all child controls of the ASP.net Page have been databound (from XmlDataSource). Seems others have ...

was getting an error like the following at your JavaEE Servlet (Portlets are also Servlets under the hood btw): javax.servlet.ServletException: javax.portlet.PortletException: java.lang.Throwable: java.lang.IncompatibleClassChangeError: : incorrect call to interface method   at first I thought the issue was with:   <bean:message ...

At ClipFlair Studio (a Silverlight app), I had some time ago implemented a confirmation warning upon user trying to close the webpage (when it was running inside the web browser), which then had stopped functioning. It seems at some refactoring I had added code like the following: var activityView = activityView(); and it was failing […]

The other day my Microsoft Wireless Laser Mouse 6000 (was either a gift from Microsoft Hellas or had ordered it myself from Microsoft Company Store with the credit Microsoft used to give pro-crisis to MVPs) started behaving erratically, failing most of the times to right-click and sometimes doing left clicks instead with some delay, or […]

If you have an e-mail account @otenet.gr you may find out that when connecting your laptop to another network (say you’re travelling) you can’t send SMTP e-mails. To fix this make sure you set your STMP server settings to use SSL encryption and provide the port number 465 for connection. If you use Outlook (Express) […]

One of our ClipFlair Studio users reported on having some issue trying to install Silverlight on MacOS-X, so I gathered some related info below:     First of all, at the Silverlight installation webpage, at the System Requirements tab, you can find the following requirements: Macintosh (Intel-based) Intel Core Duo 1.83-gigahertz (GHz) or ...

Πρόσφατα η Γενική Γραμματεία Καταναλωτή (http://www.efpolis.gr) είχε καταδικάσει τις εταιρείες με τα ενεργειακά (τάχα μου) βραχιολάκια όπως διαβάζει κανείς στο παρακάτω: http://www.ethnos.gr/article.asp?catid=22768&subid=2&pubid=63733163 Πρόστιμα συνολικού ύψους 350.000 ευρώ σε πέντε εταιρείες για προώθηση και διάθεση προς πώληση ...

Seems StartsWith and EndsWith methods of String class in .NET are missing a version that accepts multiple (as an array) prefixes or suffixes respectively when testing the string. To achieve this I just added the following extension methods to StringExtensions class (of Utils.Extensions namespace) under Utils.Silverlight project at the ClipFlair ...

Just added the following extension methods to StringExtensions class (of Utils.Extensions namespace) under Utils.Silverlight project at the ClipFlair source code. public static string ReplacePrefix( this string s, string fromPrefix, string toPrefix, StringComparison comparisonType) { return (s.StartsWith(fromPrefix, comparisonType)) ? toPrefix + ...