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Εμφάνιση σελίδας 5 από 11 (266 συνολικές δημοσιεύσεις)
  • HowTo: Install .NET 3.5 component in Windows 8.1

    I just installed .NET 3.5 on a Windows Enterprise 8.1 system that was failing to bring the needed files from the network To do this I opened a command prompt with elevated rights and ran a single command, having the Windows DVD at drive F: Dism /online /enable-feature /featurename:NetFx3 /All /Source:F:\sources\sxs /LimitAccess as explained at ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Δεκεμβρίου 12, 2014
  • Gotcha: MediaElement Source=null releases stream, SetSource(null) fails

    This is my contribution to: http://stackoverflow.com/questions/19294258/forcing-mediaelement-to-release-stream-after-playback/27436323 If you use MediaElement, make sure you don’t get bitten by this one: http://msdn.microsoft.com/en-us/library/cc626563(v=vs.95).aspx ArgumentNullException – The mediaStreamSource is null. … After ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Δεκεμβρίου 12, 2014
  • Fix: Allow rewind of Mp3MediaStreamSource back to start

    My comment at: https://github.com/loarabia/ManagedMediaHelpers/issues/16 While trying to use Mp3MediaSource at ClipFlair Studio’s AudioRecorder control (http://clipflair.codeplex.com), I noticed that when I was doing Stop() at MediaElement and then Play() it kept on playing from where it was before at Mp3MediaStreamSource So I did the ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Νοεμβρίου 18, 2014
  • Gotcha: MediaElement must be in visual tree for MediaOpened, MediaEnded to be fired

    At ClipFlair’s AudioRecorderControl (used in Captions/Revoicing component of ClipFlair Studio), I use the following code to initialize a MediaElement to use for playback. After a long time a found out that if the MediaElement is not in the visual tree (for example defined in XAML, or defined in code and then added to the visual […]
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Νοεμβρίου 18, 2014
  • Gotcha: MediaElement AutoPlay faster than doing Play at MediaOpened

    Just added the following comment to: https://github.com/loarabia/ManagedMediaHelpers/issues/15 Managed Media Helpers contains the very useful Mp3MediaSource class for .NET / Silverlight / Windows Phone. Added compile-time SWITCHES and respective code to Silverlight demo code for PRELOAD (into memory stream) and AUTOPLAY (this was a bit tricky, ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Νοεμβρίου 18, 2014
  • HowTo: Use WordPress Permalinks on IIS

    at http://zachis.it/blog/7-dangers-of-using-windows-server-on-a-wordpress-installation/ the thing that guy says about Permalinks isn’t accurate at all (not that the other things that he says are any accurate that is). WordPress Codex have documentation on how to configure URL rewriting in web.config that is necessery for Permalinks to work in IIS. ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Οκτωβρίου 29, 2014
  • Fix: Hypelinks not clickable in RichTextBox under Silverlight

    Just fixed a nasty bug in ClipFlair Studio (http://studio.clipflair.net), where one couldn’t click hyperlinks in the Text component when set at ReadOnly mode. In that mode hyperlinks should open up new web pages (in Edit mode you can edit/remove them only of course), but instead when clicked they would show something like a focus rectangle ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Σεπτεμβρίου 7, 2014
  • HowTo: use PivotViewer in WPF

    PivotViewer is an impressive Silverlight control (see my usage at http://gallery.clipflair.net), however Microsoft never released it for WPF. One could work arround this by embedding Silverlight in their WPF app using the WebBrowser control and talking to it via the JavaScript Bridge of Silverlight, however they could also embed one of those HTML5 ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Σεπτεμβρίου 4, 2014
  • HowTo: Tell IE to use compatibility mode without editing your web pages

    at http://www.mono-software.com/Mono/Pages/Discussion/dtopic/_YyUBIlx5kiqHaNqAQeltg/br-brake-bug-in-IE11-and-clipflair-text-editor/ one reads: We are using Telerik’s rich text editor (RadEditor), and it seems that RadEditor has specific behaviour regarding insertion of break tags. To circumvent this issue please try to add host header in ISS ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 22, 2014
  • Gotcha: JS replace on document.location fails, use document location.href

    This is my contribution to: http://stackoverflow.com/questions/2652816/what-is-the-difference-between-document-location-href-and-document-location Here is an example of the practical significance of the difference and how it can bite you if you don’t realize it (document.location being an object and document.location.href being a string): We ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 20, 2014
  • HowTo: Quickly test a webpage in different Internet Explorer versions

    I just noticed that on Internet Explorer 11 developer tools console (appears when you press F12 key), there is a drop-down where you can select the rendering engine used. Edge means the very latest (IE11 one in this case) and you can select back to version 5. Interestingly, there is no version 6 in the […]
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 19, 2014
  • Gotcha: don’t use ‘{$…}’ syntax or ‘$…’ syntax in XSL-XPath’s concat

    <xsl:template match="cxml:Item" mode="col">   <xsl:variable name="FILENAME" select="…someXPathQuery…"/>   <xsl:variable name="IMAGE" select="concat(‘http://gallery.clipflair.net/activity/image/’, $FILENAME, ‘.png’)"/> … I got confused a bit ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 15, 2014
  • HowTo: Group output items using XSL transformation

    While trying to generate a single HTML page that will list all ClipFlair activities using XSL Transformations (XSLT), I had the need to group items in 2-column rows. This is my contribution to other solutions suggested at (if you like it you can vote it up there): ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 15, 2014
  • Gotcha: no prefix increment/decrement VB.net operators, but get parsed

    In C/C++ and C# one has useful prefix (++index) and postfix (index++) increment operators and corresponding decrement ones. Although they have a single operant, they’re not working like functions as single + or – prefix would do, but instead they cause side-effects – they edit the variable passed to them. The prefix increment operator first ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Αυγούστου 9, 2014
  • Fix: How to remove Trovigo.com, SearchProtect, restore Internet Options

    Trovigo.com is an unwanted search engine hijacker that renders Internet Options of Windows / Internet Explorer inaccessible. To restore them on an older Windows XP installation, one way that I’ve found to work is to update Internet Explorer to a newer version, aka IE 8 (say via the embedded Windows Update facility or Microsoft Update ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Μαΐου 14, 2014
  • Fix: Re-enable ClickOnce deployment at Mozilla Firefox

    When you try to run a ClickOnce Windows application from Mozilla Firefox, on some machines you may see it try to save a .application (ClickOnce deployment manifest) instead of running the ClickOnce application installer/updater/launcher. To fix that issue you can open Firefox add-ons dialog and search among available to download/install add-ons ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Απριλίου 20, 2014
  • Gotcha: System.IO.GetInvalidPathChars result not guaranteed

    at System.IO.Path.GetInvalidPathChars one reads: The array returned from this method is not guaranteed to contain the complete set of characters that are invalid in file and directory names note: can also call this method from non-trusted Silverlight app – not as Intellisense tooltip wrongly says in Visual Studio 2013 with Silverlight 5.1 I ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Απριλίου 4, 2014
  • HowTo: Drop files onto Silverlight controls

    I was recently adding drop-files support to ClipFlair Studio, so I had to do some research on the related API that is available to Silverlight apps. Silverlight supports a limited set of Drag-and-Drop interaction with the operating system (supposedly for security reasons, but most probably because of the classic cross-platform implementation ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Μαρτίου 27, 2014
  • Gotcha: OnLostMouseCapture always called by CaptureMouse at WPF

    It seems that CaptureMouse is behaving differently in WPF and Silverlight, in that in the former one it immediately calls OnLostMouseCapture at a Visual, whereas in Silverlight it doesn’t get called if the element didn’t have the mouse capture already (btw, in Silverlight that method is at a UIElement – there is no Visual ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Μαρτίου 14, 2014
  • HowTo: Take screenshot on Windows desktop, Windows 8 and MacOS-X

    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 […]
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Μαρτίου 5, 2014
  • Fix: XAML – The member Content is not recognized or is not accessible

    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 […]
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Φεβρουαρίου 9, 2014
  • Nice DeepZoom image samples via ClipFlair Studio’s Image component

    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 ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Φεβρουαρίου 4, 2014
  • 2013 in review

    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 […]
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Δεκεμβρίου 31, 2013
  • HowTo: find max ZIndex from a collection of UIElements with LINQ

    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 ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Δεκεμβρίου 6, 2013
  • E-Slate / Αβάκιο

    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 ...
    Δημοσιεύτηκε στο George Birbilis' blog (Weblog) από το μέλος birbilis στις Νοεμβρίου 22, 2013
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