George Birbilis' blog

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HowTo: Use latest C# features in MVC5 Razor views (.cshtml) 16 Απριλίου 19 03:53 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Having recently updated an ASP.net MVC web app from MVC4 to MVC5 and from .NET 4.5 to .NET 4.7.2 I was expecting Razor views (.cshtml files) to use the latest C# compiler, especially since at Properties/Build/Advanced option for the web project one read “C# latest major version (default)”. However that was not the case and […]

Δημοσίευση στην κατηγορία: Posts, Compiler, HowTo, C#, ASP.net, Razor, CSHTML, MVC5
Fix: Word print view showing no margins and pages appear collated 05 Απριλίου 19 11:46 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I’m often asked by friends and family to assist them on frustrating technical issues they can’t resolve by themselves. Thanks to remote access / support software like TeamViewer, this is a piece of cake nowadays. The solution to such problems isn’t always straightforward though. Just came across a Microsoft Word installation where suddenly the Print […]

Δημοσίευση στην κατηγορία: Posts, Word, Fix, Layout, Margins, Views, Collation, WYSIWYG
Fix: “The Global element ‘xx’ has already been declared” warnings in config files after .NET framework upgrade in Visual Studio solution 04 Απριλίου 19 05:09 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Had just converted to target .NET framework 4.7.2 a Visual Studio solution full of 4.5 libraries, console apps and an MVC 5.0 (recently converted from 4.0) web app and all seemed to build fine, but then noticed that with web.config of the MVC web app open in the editor, it was showing lots of warnings […]

Δημοσίευση στην κατηγορία: .NET, Posts, Fix, XML, Visual Studio, Upgrade, XSD, Warnings, Target, Config
How-to: get int value via ADO.net SqlDataReader using column name 21 Ιανουαρίου 19 08:54 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Based on Sam Holder’s answer at https://stackoverflow.com/questions/7388475/reading-int-values-from-sqldatareader/54296026, just contributed an extension method for fetching Int32 values via ADO.net’s SqlDataReader, without jumping through hoops (aka first fetch column ordinal [number] by name, then fetching the int value passing the column ordinal). Would be nice if Microsoft was providing such things out of the box. namespace adonet.extensions […]

Δημοσίευση στην κατηγορία: Posts, Extensions, HowTo, Database, SQL, ADO.net, Int, Column, SqlDataReader
Microsoft AI solutions 30 Νοεμβρίου 18 10:36 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: * AI business solutions: https://partner.microsoft.com/en-US/solutions/practice-areas/artificial-intelligence * AI platform: https://azure.microsoft.com/en-us/overview/ai-platform/ at the section «Open and comprehensive platform» (scroll down) and see the three tabs AI tools/AI frameworks/AI related infrastructure * Azure (cloud) Machine Learning: https://azure.microsoft.com/en-us/overview/machine-learning/ – Machine Learning service (TensorFlow, PyTorch, or Jupyter etc.) https://azure.microsoft.com/en-us/services/machine-learning-service/ https://docs.microsoft.com/en-us/azure/machine-learning/service/ – Machine Learning Studio (visual drag-drop/flow based) https://azure.microsoft.com/en-us/services/machine-learning-studio/ https://docs.microsoft.com/en-us/azure/machine-learning/studio/ – […]

Δημοσίευση στην κατηγορία: Posts, Microsoft, Resources, AI, Cloud, Azure, Big Data, Machine Learning, Analytics, Data Science
Fix: Reset forgotten Windows Phone pin remotely if locked out of it 15 Νοεμβρίου 18 12:44 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I got an older Lumia 930 phone (nice big display and 20MP camera, Windows Mobile 8.1 upgradeable to Windows 10, main shortcoming is that it doesn’t have microSD slot) on big discount the other day, but after upgrading it to Windows 10 I accidentally entered the wrong PIN code at login an it managed to […]

Δημοσίευση στην κατηγορία: Posts, Microsoft, Fix, Windows 10, Pin, Windows Phone, Reset, Upgrade, Account, Locking
Fix: jqGrid search operator menu items jumping around on hover 06 Νοεμβρίου 18 08:27 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: A colleague noticed earlier on today, that on the Chrome browser they were using, the search operator menu items of a jqGrid on a web app’s UI were jumping around on hover, making it practically impossible to select one. Seems this had started occurring on that ASP.net MVC web application, after a recent update […]

Δημοσίευση στην κατηγορία: Selection, Posts, Bugs, Search, Fix, Layout, CSS, Operators, Hover, jqGrid, Prometheus, jQuery-UI, Menu
HowTo: change color of validation messages in ASP.net MVC 02 Νοεμβρίου 18 02:35 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: If you need to customize the colors (or do more restyling) of validation messages in ASP.net MVC, the following snippet from a discussion on ASP.net forums should be useful: Add to Content/Site.css: /* styles for validation helpers */ .field-validation-error { color: #b94a48; } .field-validation-valid { display: none; } input.input-validation-error { border: 1px […]

Δημοσίευση στην κατηγορία: Posts, Errors, Validation, HowTo, CSS, ASP.net, Colors, Styling, MVC, Messages, Summary
OpenStreetMaps as an alternative to Google Maps in Joomla! 26 Οκτωβρίου 18 11:31 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: If you use Joomla! (CMS / Content Management System), you could switch to the free OpenStreetMaps instead of the recently-turned-much-more-expensive Google Maps, thanks to the OSModul extension for Joomla!: https://extensions.joomla.org/profile/extension/maps-a-weather/maps-a-locations/osmodul/ At the bottom of this page there is an example that uses a pin icon similar to how a location would appear in Google Maps. […]

Δημοσίευση στην κατηγορία: Posts, Maps, Extensions, Joomla!, Alternatives, POI, Google Maps, OSModul, OpenStreetMaps
HowTo: Fix DVD/CD with Live filesystem (Packet/UDF) on Windows 10 Οκτωβρίου 18 09:33 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: The other day I found how easy it is to use a Live CD/DVD (where packet writing occurs when adding stuff) instead of a Mastered one (where all is kept to be written when you close the disk) on Windows. It feels more like using a USB flash disk and should be more safe regarding […]

Δημοσίευση στην κατηγορία: Windows, Posts, Fix, HowTo, CD, UDF, Packet, DVD, Command-line, Recovery, Live, chkdsk
HowTo: include MVC model property Display name in Required validation message 04 Οκτωβρίου 18 01:04 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Just came across this validation error display in an MVC app I’ve recently started maintaining. The required input field validation seemed to not be localized, resulting in a mixed English and Greek (from the field’s Display name) message: Looking at the MVC model I noticed they were using [Required] attributes for the userName and password […]

Δημοσίευση στην κατηγορία: Posts, Validation, HowTo, Localization, ASP.net, Formatting, Prometheus, MVC, Messages
Fix: jQuery’s jqGrid search UI custom styling 03 Οκτωβρίου 18 01:35 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Lately, I’ve got the task of maintaining/extending an ASP.net MVC web application that is using jQuery’s jqGrid for data grids on its UI. First thing I noticed was how confusing the search UI on the grid’s header was: Those symbols on the left-side of each column’s searchbox are for the type of search (e.g. contains, […]

Δημοσίευση στην κατηγορία: Posts, Fix, CSS, ASP.net, Data, Styling, jqGrid, Prometheus, Grid, MVC, jQuery
Getting resulting SQL string from parametric ADO.net SqlCommand 19 Σεπτεμβρίου 18 07:18 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Microsoft is suggesting to always use Named parameters with SqlCommands for security reasons (to avoid SQL injection exploits), but they haven’t thought of providing a property at SqlCommand to give you back the result SQL so that you can have your app log it without resorting to SQL Server for that logging. Found a solution […]

Δημοσίευση στην κατηγορία: .NET, Posts, Workarround, SqlCommand, SQL, Logging, ADO.net, Parameters
Gotcha: VBScript DropHandler doesn’t support Unicode filenames 09 Σεπτεμβρίου 18 12:33 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: It seems VBScript (.vbs) script file’s DropHandler on Windows is broken regarding Unicode filenames, as described at https://stackoverflow.com/a/4366906/903783 A workaround suggested by user DG there (https://stackoverflow.com/a/13587850/903783) was to use a batch file to accept the dropped file, then pass the filename(s) to the VBScript script file (.vbs) as command-line parameters. If you just care about […]

Δημοσίευση στην κατηγορία: Posts, Excel, Gotcha, Unicode, VBScript, Filenames, DragDrop, DropHandler, Workaround
Gotcha: use parentheses around ternary op conditional expressions 25 Αυγούστου 18 03:42 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Just came across the following case in C# that puzzled me momentarily, especially since the strings involved were long enough and the expression was broken on multiple lines: bool flag = true; string test1 = flag? "xa" : "xb"; string test2 = "x" + (flag? "a" : "b"); string test3 = "x" + flag? "a" […]

Δημοσίευση στην κατηγορία: Posts, Programming, C#, Gotcha, Syntax, Operators, Ternary, Expressions, Conditional
Fix: Temporary or Local roaming profile message after Windows login 18 Αυγούστου 18 08:09 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Researching how to solve a “You have been logged on with a temporary profile” message on a system set up to use a roaming profile (and after I had first checked/fixed the filesystem for errors which is the classic cause for that when using local profiles) I came across this article: http://www.grouppolicy.biz/2011/07/how-to-reset-a-roaming-profile-in-windows-7 Near the […]

Δημοσίευση στην κατηγορία: Windows, Posts, Fix, Copy, profiles, Local, Roaming, Temporary
Fix: Windows 10 laptops with AMD graphics adapter going really slow 27 Ιουνίου 18 07:11 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Quoting my comment from a discussion thread on the AMD Community website Actually the drivers back from 2015 that Microsoft serves for AMD laptop graphics adapters seem to make Windows 10 crawl (at everything, not just in graphics stuff). Installing the newest ones from AMD (in this case the beta driver) makes laptops work decently […]

Δημοσίευση στην κατηγορία: Posts, Microsoft, Fix, Troubleshooting, Speed, Windows 10, Performance, AMD, Graphics
Καταχρηστικές πρακτικές από Δημοτικές Επιχειρήσεις Ύδρευσης / Αποχέτευσης 12 Ιουνίου 18 01:16 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Θαυμάστε παρακάτω ένα έγγραφο (από ΔΕΥΑ Αγρινίου, έτους 2015) που δείχνει το αίσχος με πολλές επιχειρήσεις ύδρευσης / αποχέτευσης που καταχρηστικά ορίζουν ως τριτεγγυητή για χρέη του ενοικιαστή προς αυτές τον ιδιοκτήτη ενός ακινήτου. Αναφέρει: Δηλώνω δε με την παρούσα, ότι είμαι υπεύθυνος εξ’ ολοκλήρου για την εξόφληση των λογαριασμών, σε περίπτωση κατά την οποία, […]

Δημοσίευση στην κατηγορία: Posts, Καταναλωτής, Πολίτης, ΔΕΥΑΑ, Κανονισμός, Αγρίνιο, Καταχρηστικές Πρακτικές, Ύδρευση
Twitter #bot or not? Posing as Automation/AI specialist & Python guru 05 Ιουνίου 18 12:46 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I just came across this strange thing on twitter: Received a notification that some “Virginia A. Osborn” liked a tweet of mine that was a) in Greek b) totally of a subset of Greek residents interest, highly unlikely it would have meant anything to a person with a foreign name. Then I saw that twitter […]

Δημοσίευση στην κατηγορία: Security, Posts, Twitter, Automation, AI, Python, Bots, Personna
HowTo: Download and install Windows Live Movie Maker 28 Μαρτίου 18 08:00 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Unfortunately, Microsoft seems to have gone to extra lenghts to make the Windows Live suite of software go away, without anyone thinking that there were people who were using them and without offering file/project-level compatible replacements for user-friendly tools like Windows Live Movie Maker. Only Windows Live Writer was at some point reincarnated as the […]

Δημοσίευση στην κατηγορία: Video, Posts, Downloads, Windows Live, HowTo, Movie Maker, Editing
HowTo: Install Skype desktop on Windows 10 (for older webcams) 22 Μαρτίου 18 02:05 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: On Windows 10, Microsoft (they’ve acquired Skype some years ago) provide a Windows Store app for Skype, however Universal Windows Platform (UWP) apps like that one don’t support older webcams (even the ones embedded in not-that-old laptops). Unfortunately, Microsoft hasn’t bothered to provide some frame grabber driver to bridge with DirectShow-based etc. older webcams that […]

Δημοσίευση στην κατηγορία: Posts, Fix, Webcam, HowTo, Workarround, Skype, Windows 10, Win32, Classic, UWP, Windows Store
Workarround: IE11 changing download file extension to .zip 21 Φεβρουαρίου 18 11:43 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: At ClipFlair Gallery, apart from opening a ClipFlair activity in ClipFlair Studio, downloading of an activity (.clipflair) file is also supported. However, because the component serialization file format of ClipFlair Studio is XML plus media assets packed in .zip archive (with nesting allowed, where components and whole activities can be placed in other activities), Internet […]

Δημοσίευση στην κατηγορία: Posts, Downloads, File Extensions, ClipFlair, Configuration, Workarround, ASP.net, ZIP, Gallery, IE11, MIME types
HowTo: Show block on anchor hover and click to keep open with CSS 25 Νοεμβρίου 17 12:02 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: I was looking for a way to show a hidden HTML element with just CSS (no Javascript) when mouse hovers over an anchor (say over a “more…” note), while at the same time also supporting touch-only (no mouse) clients, where clicking should show (and keep open) that same element. I ended up combining solutions and […]

Δημοσίευση στην κατηγορία: Posts, Popup, Information, CSS, HTML, Hover, Click, Anchors, Display
Fix: Windows Update 0x8e5e03fa, 0x800703fa errors 20 Νοεμβρίου 17 03:15 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: Sometime ago, I was receiving errors 0x8e5e03fa and 0x800703fa on several pending updates at Windows 10’s Update pane (found at Settings / Updates & Security / Windows Update from the Start menu). The updates history wasn’t showing many more details, but could see Knowldege Base article numbers (KBxx) for some pending cummulative updates. Trying to […]

Δημοσίευση στην κατηγορία: Windows, Posts, Errors, Fix, Updates, Database, 0x8e5e03fa, 0x800703fa, JET, Corruption
HowTo: open older Pi SD card via USB multi-reader on Raspberry Pi 18 Νοεμβρίου 17 03:02 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια: After doing sudo apt-get update sudo apt-get upgrade on an older Raspbian installation (at a 4GB SD Card), some corruption occured (probably due to lack of space, since I see newer NOOBS asks for an 8GB SD Card), making it unbootable. Would only show the NOOBS splash screen, but couldn’t boot into Raspbian. I just […]

Δημοσίευση στην κατηγορία: Posts, Filesystem, HowTo, Desktop, SD Card, Multi-reader, USB, Raspberry Pi

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