Virtual

virtual

Great Reads

TmStorage, Open-source Storage Engine for .NET

by Tomaz Koritnik

TmStorage is a structureless virtual file system from which complex storages or databases can be built.

by Young Ye

This article solve the performance issue while loading and displaying large amounts of data by using a virtual list with paged data technique.

HoloLens Development using Visual Studio 2015 and Unity HoloLens Technical Preview

by Mark Vinod Sinnathamby

This post is a tutorial that is complimentary to the session I did, demonstrating the steps of how a simple holographic application can be built and deployed in the HoloLens emulator.

Troubleshooting Hard-to-Find Windows Subsystem for Linux (WSL) Crash Due to Issues with NTVDMx64

by Minh Danh Nguyen (ToughDev)

This article describes how to use WinDbg to identify issues that may prevent Windows Subsystem for Linux (WSL) from starting.

Latest Articles

Troubleshooting Hard-to-Find Windows Subsystem for Linux (WSL) Crash Due to Issues with NTVDMx64

by Minh Danh Nguyen (ToughDev)

This article describes how to use WinDbg to identify issues that may prevent Windows Subsystem for Linux (WSL) from starting.

Azure’s New Private Subnet

by Wessel Beulink

Microsoft Azure enhances security with private subnets, fostering efficient network management.

Capturing Data from a Tektronix 1230 Logic Analyzer by Emulating a Parallel Port Printer

by ToughDev

Emulate parallel port printer to capture data from Tektronix 1230 Logic Analyzer

Hyper-V and Hardware Assisted Virtualization

by ToughDev

Hyper-V & Hardware Assisted Virtualization

All Articles

top

Virtual

TmStorage, Open-source Storage Engine for .NET

21 Nov 2014 by Tomaz Koritnik

TmStorage is a structureless virtual file system from which complex storages or databases can be built.

.NET

file

virtual

NoSQL

open-source

system

Implement Virtual List with Paged Data

3 Jan 2013 by Young Ye

This article solve the performance issue while loading and displaying large amounts of data by using a virtual list with paged data technique.

HoloLens Development using Visual Studio 2015 and Unity HoloLens Technical Preview

6 Jan 2017 by Mark Vinod Sinnathamby

This post is a tutorial that is complimentary to the session I did, demonstrating the steps of how a simple holographic application can be built and deployed in the HoloLens emulator.

Troubleshooting Hard-to-Find Windows Subsystem for Linux (WSL) Crash Due to Issues with NTVDMx64

18 Jan 2024 by Minh Danh Nguyen (ToughDev)

This article describes how to use WinDbg to identify issues that may prevent Windows Subsystem for Linux (WSL) from starting.

Linux

VMware

virtual

Creating a Virtual Keyboard

27 Jul 2011 by Sergey Alexandrovich Kryukov

There are two keys points here, if you want the real Virtual Keyboard which would work system-wide.For emulation of keyboard input, use Windows API SendInput, see http://msdn.microsoft.com/en-us/library/ms646310(v=vs.85).aspx[^].Now the big problem is that you need to have a keyboard...

MFC

virtual

thread in class virtual member function

3 Jul 2013 by nv3

The specification of the thread function is not correct. Use _beginthread (&gangplank, 0, (void *)this);[AMENDED]In addition, you should wait in the destructor of your thread until the newly created workerthread has ended. What happens now is that in main you create a "d"...

C++

virtual

threads

Virtual Keyboard (TabTip) Integration in WPF on Win 8.1 and Win 10

23 Aug 2016 by Max Fedotov

Virtual Keyboard (TabTip) integration in WPF on Win 8.1 and Win 10

Finding the type of an object in C++?

13 Jan 2017 by CPallini

Have also a look at typeid operator[^].

C++

virtual

inheritance

choosing topic for doing project on virtual honeypots

23 Feb 2011 by Haechtsuppe

I can't see a questionmark in your text, so whats the question?You need a project for your final exams of education, right?The title could be "Integrating a honeypot in the local infrastructure (for preventing industrial spying)"Try to describe your project very exactly, the examiner...

C++

Linux

virtual

Virtual inheritance and constructor propagation

3 Feb 2012 by Stefan_Lang

Check out http://www.parashift.com/c++-faq-lite/multiple-inheritance.html#faq-25.9[^] or http://www.cprogramming.com/tutorial/virtual_inheritance.html[^]Note that to solve your problem, both intermediate derived classes must inherit virtually, not just one of them.

C++

virtual

inheritance

Why need to initiallise to '0' of the members of constructor of all the classes while writing a code for Virtual function in C++

29 Sep 2013 by pasztorpisti

Bug #1:You are allowed to call the constructor of a member variable or base class only from the initializer list of your constructor.Rectangle(int a, int b) : Shape(a, b){}Bug #2:"no matching function for call to Shape::Shape()"If you don't explicitly call the...

C++

constructor

virtual

How Can I Rename A Registry Key

13 Aug 2014 by Richard MacCutchan

There is no simple way by programming to rename a registry key. You would have to create a new key, copy the subkeys and values from the old one to the new one, and delete the old key and its content. This seems like quite an advanced test for a school project, especially given your comments...

Basic

virtual

Creating a Virtual Keyboard

26 Jul 2011 by వేంకటనారాయణ(venkatmakam)

Codeproject:...

MFC

virtual

Creating a Virtual Keyboard

26 Jul 2011 by RaviRanjanKr

There is a same question on CP with solution.Take a look there-CP Question[^]

MFC

virtual

not able to change size of mfc virtual list control header

30 Apr 2013 by Leo Chapiro

Take a look: VC++ MFC Tutorial: CListCtrl, InsertItem, Using List Control, SetImageList, Article with source code[^]>can we have any other option to increase or decrease the column width of virtual list control.Yes, we can:// The pointer to my list view control.extern CListCtrl*...

Make a downloadable Hperlink field in Gridview using Physical path

24 Nov 2013 by Sergey Alexandrovich Kryukov

A Web site has nothing to do with "Project Solutions" (what is it, by the way?). Project and solutions are just the artifact of development, they don't exist after you deploy the site code. The thing is: yes, the code-behind code needs what you call "physical paths"; more exactly, file path...

ASP.NET

virtual

Gridview

Access to the path is denied. in Godaddy VPS Server

29 Dec 2013 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Quote:[UnauthorizedAccessExcep...

ASP.NET

virtual

server

Sharepoint 2013 site as virtual directory?

16 Sep 2014 by Manas Bhardwaj

I think what you need is an Application Page:http://msdn.microsoft.com/en-us/library/ee231581.aspx[^]Quote:An application page is an ASP.NET Web page that is designed for use in a SharePoint Web site. Application pages are a specialized type of ASP.NET page. The primary difference...

SharePoint2013

virtual

directory

Does MVC utilise the keyword 'virtual' differently to a C# webForm application?

20 Nov 2014 by Raul Iloc

1.Lazy loading related with EF does not depends on MVC. You could find details about it in the next link: http://msdn.microsoft.com/en-us/library/vstudio/dd456846(v=vs.100).aspx[^]Or if you want info about "Lazy Loading" in general here is a good article: Can you explain Lazy...

C#4.0

MVC5

virtual

access files outside of App virtual directory

25 Nov 2014 by Zoltán Zörgő

Technically you can do that with file:// protocol, but with one condition: this url will point to a local resource - with othe words a resource visible from client side. Sometimes you might need to do that, for example in an enterprise environment. But in general, when you don't know anything...

MVC

path

virtual

I need to implement inheritance and abstract class functions my C++ rpg fantasy combat program. What are some suggestions for enhancing the code?

15 Dec 2021 by OriginalGriff

To be honest, I'm not going to go into details because that would mean a close inspection of that code, and what I can see from a cursory glance is that it's ... pretty poor quality. It's pretty much monolithic, it's full of duplicated code and...

I need to implement inheritance and abstract class functions my C++ rpg fantasy combat program. What are some suggestions for enhancing the code?

16 Dec 2021 by Greg Utas

Once you're finished converting this code to classes, you should have learned that you should design that way from the beginning. Rewriting the code later is a lot of work and is prone to error as you cut and paste fragments into various classes,...

Capturing Data from a Tektronix 1230 Logic Analyzer by Emulating a Parallel Port Printer

8 May 2023 by ToughDev

Emulate parallel port printer to capture data from Tektronix 1230 Logic Analyzer

Developer Docker Tool Configuration

18 Oct 2018 by Santosh Vijay Patil

Configuring Developer Docker Tool to use BYOD VM as your Docker Host/Machine

Linux

docker

virtual

VOIP need your suggestion

23 Sep 2010 by rvbs2

I need to develop VOIP web site which should allow 10 min max call to any registered users around india / and or abroad using existing free voip servers / sites/ gizmo/ google voice / yahoo free call service / gizmo free call service ...it should be just like rediff classfieds works and ibibo...

virtual

VOIP need your suggestion

22 Sep 2010 by Richard MacCutchan

I'm afraid we do not write solutions to order. If you do not have the skills to develop this yourself then you need to employ someone to do it for you.

virtual

Submitting Virtual Sessions to CodeProject

7 Dec 2010 by azamsharp

I wanted to ask if I can submit or perform a virtual session for codeproject. How to get started with giving a virtual session?Moved from "Answer":Okay here it is in the simplest words. You know when you go to virtual sessions or virtual webinars on CodeProject websites there are...

virtual

Submitting Virtual Sessions to CodeProject

7 Dec 2010 by Argyle4Ever

why would you want to do this and what do you want to achieve?!

virtual

choosing topic for doing project on virtual honeypots

23 Feb 2011 by abhinayagopalam

hie...i am very much interested in networking..i want to do project on honeypots...total span of project is 3 months...i want to do something new implementation for the present virtual honeypots....right now i am pursuing my btech 3rd year ... please help me out finding topic and title...

C++

Linux

virtual

Creating a Virtual Keyboard

26 Jul 2011 by Member 8112150

Hi,I need to create a virtual keyboard using MFC.i am a newbie and have no clue as to how i should start.

MFC

virtual

Virtual Network Interface Card

3 Aug 2011 by nk.dushila

Hello Friends I have an assignment to design a Virtual Network Card. I plan to develop it with Windows Device Drivers Kit. I have installed "WDK 7600.16385.1". Actually in this Virtual Network Card. My Device Driver Code will capture web-requests and transfer it...

How to access Virtual Tech Summit

28 Sep 2011 by piripitsis

Hello,I signed up for a Code Project Virtual Tech Summit (HTML5, CSS3 & JavaScript) and i can't find where to go to access it?Any ideas?Thanks

virtual

How to access Virtual Tech Summit

28 Sep 2011 by Arun Jacob

Cross Post:http://www.codeproject.com/Lounge.aspx?msg=4037276#xx4037276xx[^]

virtual

In-line serial data modification

15 Nov 2011 by ryykker

Hello,Summ...

serial-port

virtual

problem configurating mstsc "Virtual Channel Client Registration"

26 Jan 2012 by arielbeck

hello guys,i've written client and server to use on a remote desktop session.when i update registry:[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Terminal Server Client\Default\AddIns\MyAddin]"Name"="path to my DLL"when i connect, client calls are passed to the server, everything works...

C++

virtual

Virtual inheritance and constructor propagation

3 Feb 2012 by AndreFratelli

Hello everyone,The project I'm currently working on uses Qt and OpenGL. Not that it matters for the question, really.On my QMainWindow I want a pointer to a "Widget" that I'll use to implement all common functionalities in the widgets I write from now on. On the other hand, I'll also...

C++

virtual

inheritance

Virtual inheritance and constructor propagation

3 Feb 2012 by Fredrik Bornander

If you changeclass GLWidget : public QGLWidget, public Widget { }toclass GLWidget : public virtual QGLWidget { }you won't achieve the same as in the first example, because any methods exposed by Widget will not be available on an instance of GLWidget (as they would be in the first...

C++

virtual

inheritance

Suggest VirtualBox Api function to check if the machine has booted successfully.

29 Feb 2012 by gssajith87

I am trying to check if the OS has booted up successfully in Oracle Virtual BOX using Virtual Box api . Out of the Virtual Box API functions, i found that GetGuestEnteredACPIMode is the one that returns True if the OS is running successfully and returns False if the OS fails to boot with errors...

how to create vitual disk

28 Feb 2012 by wengy5233

how to create a virtual disk within a file and mounts it as a real disk（c language）

virtual

disk

how to create vitual disk

28 Feb 2012 by OriginalGriff

Um. You do realize that this isn't a five minute job?Here is a C++ example: How to develop a virtual disk for Windows[^]

virtual

disk

How to send emails to a directory with Microsoft SMTP Virtual Server (eml files)?

2 Jul 2012 by arielbeck

Hello, i have an issue:i have Microsoft SMTP Virtual Server, which listens to smtp requests.Each requests, needs to be passed to a directory, instead of passing it to a mail server.i've used the "Smart host" and declared a dummy domain, thus, the files are staying at the "Queue"...

virtual

SMTP

How to send emails to a directory with Microsoft SMTP Virtual Server (eml files)?

2 Jul 2012 by TorstenH.

Think again. False approach. It can't work out if you try to rip a file of another process.Just to get it straight: You need a handle on the emails waiting to be send in the queue?There must be hook to tell the SMTP to drop the message instead of sending it.

virtual

SMTP

Bluetooth in MFC ( Create Virtual Com port )

6 Sep 2012 by mauver_

Hello. I try to connect PIC Bluetooth Module with MFC.I reference this site.http://msdn.microsoft.com/en-us/library/ms881004msdn used PORTEMUPortParams structure.but MFC is not having this structure.help me plzI need to guide about Creating Virtual Com Port

COM

MFC

virtual

Bluetooth in MFC ( Create Virtual Com port )

6 Sep 2012 by Richard MacCutchan

See the documentation for PORTEMUPortParams[^]. You need to include the header file containing the definition.

COM

MFC

virtual

C# virtual webcam for skype

26 Oct 2012 by Member 9548682

Hi,I want to create a virtual webcam to use in Skype, Messenger,... like ManyCam. I can take the images from my webcam, but i can't make a "virtual" webcam device.How i can do??Thanks,

webcam

virtual

C# virtual webcam for skype

26 Oct 2012 by Maxim Kartavenkov

Hello,DirectShow Virtual Video Capture Source Filter in C#[^]Regards,Maxim.

webcam

virtual

Virtual Table hook under linux

2 Nov 2012 by Richard MacCutchan

Try this sample[^]. I do not think that DWORD is defined in any of the Linux C/C++ headers, but you can add it yourself quite easily.

Exporting C++ Classes with Virtual Functions Selectively

18 Nov 2012 by mcrawley

I would like to reduce the number of C++ class methods exported from a DLL that show up in the list of exported symbols with mangled names. This is an effort to reduce the size of C++ assemblies. Virtual functions implemented/overriden in a derived class can be accessed from a reference to...

Exporting C++ Classes with Virtual Functions Selectively

18 Nov 2012 by Eugen Podsypalnikov

Maybe it would be possible to export only some interfaces(with needed functionality-aggregation(s) by (smart-)pointers) ? :)// Header to be "exported" :)class CInsideClass; // public CInsiderBase, public ...typedef std::auto_ptr CSafeInsider;class...

a physical path, but a virtual path was expected in C#

12 Dec 2012 by kishanthakar

I am trying to download resume file from folder nameed as strjobID and file name is stored in CommandArgument of grid view , but while execution I am Getting this Exception'D:/AdminApp/Jobportals/Utils/ApplicantFiles/27/directory.txt' is a physical path, but a virtual path was...

display numeric virtual keyboard after clicking textbox in asp.net

20 Jan 2013 by Sandeep Mewara

It does not work like this here.Here is what is expected of enquirers:1. TRY first what you want to do! You may find that it's not that hard.2. Formulate what was done by you that looks like an issue/not working. Try them and tell if you face issues.Members will be more than happy...

ASP.NET

keyboard

virtual

How to create a Virtual MIDI Port

18 Feb 2013 by jeron1

Possibly this[^] SDK will help.

C++

virtual

MIDI

Generic SQLite Virtual Table Implementation in C++

7 Apr 2013 by Dusan Paulovic

Hello, do you know about any Generic SQLite Virtual Table Implementation in C++?I mean something like pure abstract class (interface) that can wrap around any type of container or some another abstract class (interface) providing data at Row and Column in abstract data table.In other...

Export virtualized datagrid to excel

8 Apr 2013 by Wassim Brahim

How To export virtualized DataGrid to Excel ??

not able to change size of mfc virtual list control header

30 Apr 2013 by P Uday kishore

i am working on on to save the column width of a list control,but in my list control we used as virtual list control so am not able to update the column width.can we have any other option to increase or decrease the column width of virtual list control.

How to Completely Detach VHD file only using Safely Remove Hardware option

12 Jun 2013 by gssajith87

Hi,I have a virtual harddisk file created using a backup software., i was able to attach the file in disk-management [2008 R2] to view the files., When i right clicked the disk management Disk# section, it does not show me, detach option, it just showed me up the offline option. I made the...

Virtual Directory in IIS

30 Jun 2013 by Member 9166990

Hi,I am hosting my website in IIS on my local system. It is working file. But I am creating virtual directory for it then getting below error. Can anyone plz let me know how to resolve it?Server Error in '/'...

IIS

virtual

directory

thread in class virtual member function

2 Jul 2013 by Ken Chiayuan Chang

i wanna write a threading object has a virtual member function ,can override.#include #include using namespace std;class thread{private: static void gangplank(void *ptr) { ((thread *)ptr)->run(); }public: void start() { ...

C++

virtual

threads

In which scenario,i should declare a method as virtual in c#

7 Aug 2013 by Raghuveer Kasyap

Hi,Define the Virtual methods only in the case if the methods are to be overridden in the derived classes as per their behavior. For an example the shape class can have Draw method. The Circle, Rectangle classes which derived from the Shape class can override the Draw method.Regards,Raghu

virtual

In which scenario,i should declare a method as virtual in c#

8 Aug 2013 by Srinivas Kalabarigi

In polymorphism we have method overloading and method overriding.Method overloading is the process of creating new method with same name but different signature.Method overriding is the process of creating new method with same name and same signature but in a derived class.In method...

virtual

In which scenario,i should declare a method as virtual in c#

8 Aug 2013 by adriancs

class Class1{ public virtual int GetNumber() { return 1; }}class Class2 : Class1{ public override int GetNumber() { int i = base.GetNumber(); return i + 1; }}private void button1_Click(object sender, EventArgs e){ Class1...

virtual

VHD File Size is lesser than the actual data size present inside it

20 Aug 2013 by gssajith87

Hi,I have a VHD File size of 29 GB., I attached the VHD to disk Management in 2008 R2 machine, the VHD has two partition say z: and c:., z: has used space of 33 MB of Full size 100 MB and the C: has used space of 75GB of Full Size of 300 GB. How is this possible ? In my understanding,...

VHD File Size is lesser than the actual data size present inside it

20 Aug 2013 by gssajith87

http://social.technet.microsoft.com/Forums/windows/en-US/09f64a88-e1d7-4f3a-8e6a-292b46bfe4f7/vhd-file-size-is-lesser-than-the-actual-data-size-present-inside-it[^]

how to check app running in a virtual machine

24 Sep 2013 by tenderzs

i have writed an app with c#,i want my app can not running in a virtual machine,such as,vmware,virtual boxthanks

machine-learning

virtual

Why need to initiallise to '0' of the members of constructor of all the classes while writing a code for Virtual function in C++

29 Sep 2013 by kumar_11

Here is the code.This code is to understand the concept of virtual function so in the constructor when write like shape(int a=0, int b=0 ) and same for all other constructor of derived classes, working absolutely fine.But when not initializing the members to 0 it's showing error like " no...

C++

constructor

virtual

Is there any thing call EFI interrupts? and switching to VESA in 64Bit?

2 Oct 2013 by sid2x

I was just programming some stuff in ASM, until I got to know that VGA is limited to 640x480 resolution, (I hate VGA), then I was thinking about VESA/VBE, since in OS Development people use VESA more that VBE (To what I have seen), I wanted to switch to VESA, but I couldn't find anything...

How to make a Virtual Audio Cable from WDK MSVAD samples ?

14 Oct 2013 by wise.bear

You need to take a look at the Virtual sound card SDK

How to make a Virtual Audio Cable from WDK MSVAD samples ?

14 Oct 2013 by wise.bear

Take a look at the virtual sound card sdk

about onscreen keyboard and a third party tool

15 Oct 2013 by JL_Coder

Hello. I have one third party tool, which is an authoring tool/software to create e-learning contents. In which I want to add one onscreen keyboard when a students clicks on a textbox to write. How can do? I heard about tinymce software. Can it be done using it?

keyboard

third-party

virtual

run stored procedure sql server 2005 from access project for updating multiple rows

2 Nov 2013 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Here we answer specific questions which members face during programming.Please try something on your own. Search in Google, find good tutorials and implement them.If you face any difficulty while coding, feel free to come back here and ask another question with specific issue describing...

[Not a question] ASP.NET in virtual classroom

10 Nov 2013 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, or learn the...

ASP.NET

interactive

virtual

ASP.NET in virtual classroom

12 Nov 2013 by Sergey Alexandrovich Kryukov

Yes, ASP.NET can be well used to create a virtual classroom. The question is so vague, so that's all. If you have some particular problem, feel free to ask your questions.—SA

interactive

virtual

[Not a question] virtual list view winapi

14 Nov 2013 by CHill60

Did you even try Google with the search "virtual view list example lvs_ownerdata" - the exact wording in your post?If you had then you would have found this CodeProject article[^]

virtual

[Not a question] virtual list view winapi

14 Nov 2013 by Member 10402390

I found this.this MFC. I hoped on clean winapi...

virtual

Autocomplete TextBox with Google Hindi Virtual Keyboard

26 Jan 2014 by Member 9066404

Hello sir/madamI am designing my own Email System like Gmail. In this I want to use word prediction technique in Compose mail TextBox.I mean when Someone type something in compose mail textbox ,it should automatically retrieve values from database.That's fine,, With PHYSICAL...

i am getting an error while deleting some files on VAX VM

23 Mar 2014 by abhitechno

My company is still running VAX VMS 5.5-2. My moron boss has accidentally created a huge file named "H:\BCS02\VAX\BCS02_SYSD.bck" and now i am unable to delete it. "dir" command is listing the file along with size and all other specifications but all other commands including "delete"is refusing...

virtual

extension

Sharepoint 2013 site as virtual directory?

16 Sep 2014 by Troy Billeter

We have a number of client sites and would like to append a virtual path to each of them. Example, appending a help site:www.contoso.com/client1/helpwww.contoso.com/client2/helpwww.contoso.com/client3/helpWe want to create a single Help site, and have each client site pull that...

SharePoint2013

virtual