George Birbilis' blog

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Troubleshooting: Silverlight installation on MacOS-X 23 Μαΐου 13 07:45 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: 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 higher processor […]

Δημοσίευση στην κατηγορία: Posts, Silverlight, Installers, ClipFlair, Troubleshooting, HowTo, MacOS-X, Macintosh
HowTo: format XML output of DataContractSerializer 22 Φεβρουαρίου 13 04:52 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: based on the other samples posted at StackOverflow on how to format XML created by DataContractSerializer, that use XmlWriter, here’s a version (from ClipFlair source code) that works with streams (and Ionic.Zip library in specific). It also shows how the code is when you don’t apply formatting (using conditional compilation). Just comment out the #define [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Silverlight, ClipFlair, HowTo, XML, ZIP, Contracts, Data, Serialization, Formatting
Fix: Transform Manager ignoring media files added to watch folders 14 Δεκεμβρίου 12 02:22 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I’ve been puzzled for some days now with the IIS Transform Manager installation we have at ClipFlair for automating the conversion of media files (for example using Microsoft Expression Encoder) into IIS Smooth Streams. The watch folder I’ve set up for this task was ignoring some of the media files I was dropping in for no [...]

Δημοσίευση στην κατηγορία: Video, Transforms, Posts, ClipFlair, Smooth Streaming, IIS, HowTo, Media, Encoding
HowTo: Troubleshoot .MSI installations 09 Δεκεμβρίου 12 11:14 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Copying from Microsoft Web Deploy readme: If you encounter any problems during installation, you can run appropriate command listed below for your version of Windows to create a log file that will contain information about the installation process: msiexec /L install.log /I <path_to_msi> You can analyze this log file after a failed installation to help [...]

Δημοσίευση στην κατηγορία: Posts, Installers, ClipFlair, Troubleshooting, HowTo, Compression, Deploying, MSI
Can’t step-through Silverlight file dialogs with Visual Studio debugger 02 Δεκεμβρίου 12 08:58 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: While stepping through “ShowDialog()” method of OpenFileDialog with Visual Studio 2010 debugger, at the Silverlight code pictured below (for loading a ClipFlair window’s stored options), I got a “Dialogs must be user-initiated” exception. Same behaviour will be shown with SaveFileDialog too, every time you try to step through the “ShowDialog()” method. This is because of [...]

Δημοσίευση στην κατηγορία: Security, UI, Posts, Filesystem, Silverlight, ClipFlair, HowTo, Gotcha, Debug, Dialogs
HowTo: Make Project Linker extension’s VSIX install at Visual Studio 2012 27 Νοεμβρίου 12 10:24 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Project Linker is a Visual Studio Extension that “helps to automatically create and maintain links from a source project to a target project to share code that is common to Silverlight and WPF”. In ClipFlair, where I have shared code between a Silverlight and a WPF project (I guess same would be for XNA projects [...]

Δημοσίευση στην κατηγορία: Posts, WPF, Silverlight, VisualStudio, Programming, Compiler, Sharing, ClipFlair, Extensions, HowTo, Links, Projects, VSIX
HowTo: Bind cell to row data in DataGrid DataTemplate for MVVM control 25 Νοεμβρίου 12 11:40 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: When using MVVM design style for a Silverlight or WPF control, it is common to use the control’s DataContext to keep the associated ViewModel instance, so that in the XAML file for the control one can use simple binding statements from the UI to the view model (and back if TwoWay binding mode is specified) [...]

Δημοσίευση στην κατηγορία: Posts, ClipFlair, HowTo, MVVM, Binding, RelativeSource, DataTemplate, DataGrid
HowTo: Check your web browser and plugins for needed updates 25 Νοεμβρίου 12 10:49 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Qualys BrowserCheck will perform a security analysis of your browser and its plugins to identify any security issues. You can install it at https://browsercheck.qualys.com/ Another useful quick online tool (needs no installation) for checking that you do have the latest in web browser technology is Browse Happy, at http://www.BrowseHappy.com Tagged: Browser, HowTo, HTML5, Plugins, [...]

Δημοσίευση στην κατηγορία: Security, Posts, HTML5, Web, Browser, HowTo, Plugins, Qualys, Scan, Updates
HowTo: Remove Skype from Windows taskbar, keep as Taskbar tray icon 25 Νοεμβρίου 12 10:42 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: An annoying feature of Skype of recent Skype versions is that by default it shows an icon on the Windows taskbar apart from the one at the taskbar tray while you’re signed in. This also means it shows in the ALT+TAB key sequence when switching between open windows, which you might not always want to [...]

Δημοσίευση στην κατηγορία: UI, Windows, Posts, Usability, Tray, Taskbar, Icons, HowTo, Communications, Settings, Skype
HowTo: Use DotNetZip (Ionic.Zip) library in Silverlight 25 Νοεμβρίου 12 10:10 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: If you want to use the latest DotNetZip library (version 1.9.1.8) with Silverlight, you should get a patched version from http://dotnetzip.codeplex.com/workitem/14049, instead of the official download for Silverlight. It seems the Silverlight build in 1.9.1.8 official download doesn’t work correctly, since it tries to get IBM437 Encoding (as the original ZIP spec required) from Silverlight, [...]

Δημοσίευση στην κατηγορία: Posts, Silverlight, ClipFlair, HowTo, Compression, ZIP, DotNetZip, Unicode, Encoding, IBM437
HowTo: Write directly into a ZIP stream using DotNetZip 23 Νοεμβρίου 12 12:51 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: At ClipFlair’s Playground Silverlight app I’m using DotNetZip library (Ionic.Zip namespace) for writing saved component state to a .ZIP file. In fact the Activity container there can create one .ZIP for each state that contains one .ZIP per-component it hosts (it can even host multiple instances of its own Activity componnt type to have nested [...]

Δημοσίευση στην κατηγορία: Posts, Silverlight, ClipFlair, HowTo, Compression, Streams, ZIP, DotNetZip
HowTo: Clear contents of Silverlight’s RichTextBox control 23 Νοεμβρίου 12 12:12 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Was just debugging an issue with loading of saved state at ClipFlair’s Text component, when I realized that Silverlight’s (and WPF’s) RichTextBox control doesn’t accept an empty string at its Xaml proprerty to clear its contents as one would expect. Instead clearing the contents of the RichTextBox requires a call to Blocks.Clear(). In ClipFlair’s case, [...]

Δημοσίευση στην κατηγορία: Posts, XAML, ClipFlair, HowTo, Gotcha, RichTextBox
HowTo: Tell AddThis to not append tracking suffix on addressbar 20 Νοεμβρίου 12 12:24 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: ClipFlair’s project description website is based on WordPress (a quite extensible blogging platform based on PHP). The other day we had an issue with the AddThis Plugin for WordPress, which was adding tracking suffices (in the form #.UAxxxxx) to the end of our URLs on the browser address bar. Moreover this wasn’t occuring in Internet [...]

Δημοσίευση στην κατηγορία: WordPress, Posts, Sharing, Social, ClipFlair, HowTo, URL, Tracking, AddThis, Plugins
HowTo: Multi-row captions and wrapping at Silverlight Media Framework 19 Νοεμβρίου 12 06:27 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: One of the main goals of the ClipFlair project is to explore the use of Video Captioning (together with Revoicing) for Foreign Language Learning (FLL). There both are important enhancements compared to the simpler two-line subtitling that was put in use in its ancestor project LeViS. Captioning means that multi-row text is needed while text [...]

Δημοσίευση στην κατηγορία: Video, Text, Posts, ClipFlair, HowTo, Captioning, SMF, MMPPF, FLL
HowTo: Group offline computers in separate group at TeamViewer 28 Οκτωβρίου 12 10:50 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: TeamViewer is a very handy remote control / remote support and screen sharing application with a free version for personal use only. I’ve been using it for some time now since friends and family tend to contact me for support issues and I’m very pleased with its simple installation and use (a user can even [...]

Δημοσίευση στην κατηγορία: Posts, HowTo, Remoting, TeamViewer, Support, Contacts
HowTo: Check MSDN Subscriber downloads for tampering via SHA-1 key 24 Οκτωβρίου 12 09:35 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Supposing you have an MSDN Subscription, you could download say SQL Server 2012 Standard Edition (x86 and x64) – DVD (English) from the following URL: http://msdn.microsoft.com/en-us/subscriptions/downloads/hh442898.aspx#FileId=48810 Suppose you do so and you keep that .ISO file (a CD/DVD image that you can burn to a disk using Windows 7 or Active@ ISO Burner tool, or [...]

Δημοσίευση στην κατηγορία: Security, Posts, Downloads, SHA1, MD5, Hash, FCIV, Batch, ClipFlair, HowTo, MSDN
HowTo: enable big file uploads at MojoPortal on IIS 18 Οκτωβρίου 12 06:46 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Just found in my backups a batch file for enabling big uploads to MojoPortal running on IIS: %windir%\system32\inetsrv\appcmd set config "Default Web Site/portal" -section:requestFiltering -requestLimits.maxAllowedContentLength:104857600 -commitpath:apphost The quoted command above needs to be in a single line and obviously you have to replace “Default Web Site/portal” with your site’s virtual folder [...]

Δημοσίευση στην κατηγορία: Posts, IIS, Uploading, HowTo, Configuration, CMS, MojoPortal, Limits
HowTo: Hide Video area of Silverlight Media Framework Player 03 Οκτωβρίου 12 12:25 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Since our onoing project ClipFlair is a follow-up of the succesful project LeViS, during its development I’m also looking at covering possible use-cases I infer from feedback entries at LvS application issue tracker on Codeplex (note that ClipFlair is also opensourced on Codeplex at http://ClipFlair.codeplex.com). One such issue (http://lvs.codeplex.com/workitem/11511) was titled “Allow video hiding while [...]

Δημοσίευση στην κατηγορία: Video, UI, Posts, Silverlight, ClipFlair, Audio, HowTo, SMF, MMPPF, Multimedia
HowTo: load CaptionElements into Silverlight Media Framework player 03 Σεπτεμβρίου 12 03:38 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Trying to make CaptionsGridWindow of ClipFlair serve captions editing on-the-fly to SMF (Silverlight Media Framework [now called MMPPF]) player component, I had a real hard time, plagued by a bug at TimedTextElementStyle. It seems to be setting default FontSize for captions using a “Cell” unit instead of using a “Pixel” unit. Currently SMF only supports [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Bugs, Silverlight, ClipFlair, HowTo, Captioning, SMF, MMPPF, Multimedia
HowTo: Scale control arround its center using a render transform 15 Αυγούστου 12 07:02 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: In the context of ClipFlair development, I was recently adding independent scaling (zooming) functionality to its ZUI container’s floating windows (apart from the container zooming functionality) and came across some strange behavior, where the windows seemed to also move apart from getting scaled. After banging my head a bit I decided to take a closer [...]

Δημοσίευση στην κατηγορία: .NET, Transforms, UI, Posts, WPF, Silverlight, ClipFlair, ZUI, HowTo, Scaling
HowTo: Type in double-quote in Windows Live Writer 14 Αυγούστου 12 10:08 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: A big nuissance in Windows Live Writer is that when you try to type in a double-quote character you get some special Unicode character (“ or ”, at the start and end of a string respectively), other than the classic ASCII character used in programming. That way people copy-pasting snippets from your blog can get [...]

Δημοσίευση στην κατηγορία: Text, Blogs, Posts, Programming, HowTo, Editor, Windows Live Writer
HowTo: Bind to a DataContext property named Source in XAML 14 Αυγούστου 12 03:27 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: While refactoring ClipFlair code to use MVVM (Model-View-ViewModel) pattern, I came across the XAML error “Object reference not set to an instance of an object.”, shown in Visual Studio when trying to bind to my ViewModel (accessed implicitly, being set as the DataContext of the XAML control) for a property named Source. I have settled [...]

Δημοσίευση στην κατηγορία: .NET, Posts, WPF, Silverlight, XAML, ClipFlair, HowTo, Image, Properties, MVVM, Binding, Source
HowTo: Compress speech audio using CSpeex codec at Silverlight apps 04 Αυγούστου 12 07:15 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Following up on my post on how to fix CSpeex (http://cspeex.codeplex.com) to compile at Silverlight 5 (see http://zoomicon.wordpress.com/2012/06/09/fix-compile-cspeex-audio-codec-at-silverlight-4-rc-and-silverlight-5/). Initially I thought it was not working correctly, but then I noticed I was running it on Terminal Server and didn’t have an audio device available. Running SLAudioDemo included in the CSpeex distribution (after doing the fix [...]

Δημοσίευση στην κατηγορία: .NET, Posts, Silverlight, ClipFlair, Codec, Speex, Audio, HowTo, Compression
Vertical Centering with CSS 03 Αυγούστου 12 04:50 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: According to http://www.w3.org/Style/Examples/007/center.en.html#vertical CSS level 2 doesn’t have a property for centering things vertically. There will probably be one in CSS level 3. But even in CSS2 you can center blocks vertically, by combining a few properties. The trick is to specify that the outer block is to be formatted as a table cell, because [...]

Δημοσίευση στην κατηγορία: Posts, ClipFlair, HowTo, Links, Layout, Vertical, CSS, Centering
HowTo: Remove Babylon search from Mozilla Firefox address bar 03 Αυγούστου 12 03:07 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Babylon Search is one of the most abusive addons for Mozilla Firefox and other web browsers. It installs with other free software (most probably profiting from tracking your searching habits) and then it is quite hard even for experienced users to completely uninstall it. While maintaining other computers in the past I’ve used a combination [...]

Δημοσίευση στην κατηγορία: Security, Posts, Search, Fix, HowTo, Privacy, Addon, Babylon

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