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  • label to display graphics card or total system ram through registry possibly?

    - by NightsEVil
    hi all i have this great code that i love that will display the kind of processor model and speed like so RegistryKey Rkey = Registry.LocalMachine; Rkey = Rkey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0"); Labelproc.Text = (string)Rkey.GetValue("ProcessorNameString"); and i was wondering if theres a way to do this for the kind of graphics card and the total installed system ram (in separate labels)

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  • Determining if Memory Pointer is Valid - C++

    - by Jim Fell
    It has been my observation that if free( ptr ) is called where ptr is not a valid pointer to system-allocated memory, an access violation occurs. Let's say that I call free like this: LPVOID ptr = (LPVOID)0x12345678; free( ptr ); This will most definitely cause an access violation. Is there a way to test that the memory location pointed to by ptr is valid system-allocated memory? It seems to me that the the memory management part of the Windows OS kernel must know what memory has been allocated and what memory remains for allocation. Otherwise, how could it know if enough memory remains to satisfy a given request? (rhetorical) That said, it seems reasonable to conclude that there must be a function (or set of functions) that would allow a user to determine if a pointer is valid system-allocated memory. Perhaps Microsoft has not made these functions public. If Microsoft has not provided such an API, I can only presume that it was for an intentional and specific reason. Would providing such a hook into the system prose a significant threat to system security? Situation Report Although knowing whether a memory pointer is valid could be useful in many scenarios, this is my particular situation: I am writing a driver for a new piece of hardware that is to replace an existing piece of hardware that connects to the PC via USB. My mandate is to write the new driver such that calls to the existing API for the current driver will continue to work in the PC applications in which it is used. Thus the only required changes to existing applications is to load the appropriate driver DLL(s) at startup. The problem here is that the existing driver uses a callback to send received serial messages to the application; a pointer to allocated memory containing the message is passed from the driver to the application via the callback. It is then the responsibility of the application to call another driver API to free the memory by passing back the same pointer from the application to the driver. In this scenario the second API has no way to determine if the application has actually passed back a pointer to valid memory.

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  • How to use LINQ for CRUD with a simple SQL table?

    - by Rob Ferno
    Every LINQ blog I found there seemed around 2 years old, I understand the syntax but need more direction on creating the SQL mapping and context classes. I just need to use LINQ for 2 SQL tables I have, nothing complicated. Do folks write the SQL mapping classes by hand for such cases or is there a decent tool for this? Can someone point me in the right direction?

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  • What is a good FAT file system for ARM7-TDMI

    - by Seidleroni
    I'm using the ARM7TDMI-S (NXP processor) and I need a file system capable of reading/writing to an SD card. There are so many available, what have people used and been happy with? One that requires the least amount of setup is best - so the less I have to do to get it started (i.e. write device drivers to NXP's hardware) the better.

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  • How to undelete from the SVN Repository

    - by Clay Nichols
    I accidentally deleted a major folder inside of the Tortoise-SVN Repro Browser. The working folder is unaffected. What is the recommended way to reverse that? Do I just Revert back to the previous version? Or do I need to do a Checkout to that previous version into a new folder and delete the old folder?

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  • How to identify document in SharePoint

    - by saveug
    You can put your documents in SP - cool, but, when its time to reorganize folders structure what I should do with old links? Is there a way how to identify document instead of using URL where path to the document is used? I need something like permanent link: http://mysharepoint/doc-123, where 123 is the document identifier. I need URL to the document which doesn't depend on folders where the document is published. Are there solutions?

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  • Changing the output of Getdate

    - by pauloya
    Is it possible to deceive SQL Server to return a different date on GetDate() without actually changing the machine date? This would be great, since we have a database with old data and I'm trying to test some queries that use getdate(). I can change my machine date but that brings some other problems with other applications... Any tips? Thanks!

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  • What is the fastest / best Base64 en/decoder for Java ?

    - by mP
    Just found the MIG Base 64 utility but its over 6 years old since its last release. It would appear to be quicker than the Apache commons equivalent but I have yet to confirm by writing up an actual test. Has anyone verified its correctness which is always a worry. If someone takes a look at the methods, please note i a referring to the non fast methods which make assumptions trading possible correctness for pure speed.

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  • How to dock an application in the Windows desktop?

    - by Sacha
    I would like to develop a small notifications application for Windows in .NET that docks on the right/left side of the screen (not consuming more than 300px), should always be visible and force the rest of windows to not overlap this application (something like the old Office taskbar or Vista's Sidebar). I have no idea where to start. Can it be done using XAML/WPF? Since I haven't even started coding any option is valid at this point. Thanks!

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  • Borland problem: typing

    - by b3y4z1d
    When I type in Borland C++,it types over the line,not on a new one.That means that every time I press enter,it doesn't give me a fresh,new,empty line in which to type but goes to the one underneath. And there when I try to type I expect the symbols,numbers and letters to move as I add text behind them in the line,but the new symbols keep overwriting the old ones.Sort of deleting them and replacing them with the new characters as I type. Could it be some kinda option I've activated unvoluntarily?

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  • Databases: Migrate data between MS Access DB and MYSQL

    - by Dean
    Hello, I have 2 databases, one is MS Access DB from an old website, and the other one is MYSQL from the new Joomla+VirtueMart based website. I need to migrate existing products from MS Access to MYSQL. I thought of putting both on server and writing SQL queries in MYSQL workbench, untill I have a good script for that, but I'm very new to SQL, so I'd rather avoid that. I there a better way and more efficient for that?

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  • I don't have AirPlayFeature

    - by 1110
    Hi, I have just installed new xcode with sdk 4.3b because I need 'airPlay' feature in my current project which is based on sdk 4.2. But I open my project and type my MPMoviePlayerController object.... mpObject.??? ... but here I don't have allowAirPlay property. But when I start new project and create movie player I have that property, but don't have in my old project, what should I setup to have this?

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  • what does '-' stand for in bash?

    - by trybeingarun
    Hi, What exactly are the uses of '-' in bash? I know they can be used for 1. cd - # to take you to the old 'present working directory' 2. some stream generating command | vim - # somehow vim gets the text. My question is what exactly is - in bash? In what other contexts can I use it? Regards Arun

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  • [Visual C++]Forcing memory alignment of variables/data-structures

    - by John
    I'm looking at using SSE and I gather aligning data on 16byte boundaries is recommended. There are two cases to consider: float data[4]; struct myystruct { float x,y,z,w; }; I'm not sure the first case can be done explicitly, though there's perhaps a compiler option I could use? In the second case I remember being able to control packing in old versions of GCC several years back, is this still possible?

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  • Postgresql - Edit function signature

    - by drave
    POSTGRESQL 8.4.3 - i created a function with this signature CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS SETOF record AS realised i wanted to change it to this CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS TABLE(ip bigint, count bigint) record AS but when i apply that change in the query tool it isnt accepted or rather it is accepted, there is no syntax error, but the text of the function has not been changed. even if i run "DROP FUNCTION logcountforlasthour()" between edits the old syntax comes back if i edit the body of the function, thats fine, it changes but not the signature is there something i'm missing thanks

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  • Android @Override usage

    - by BahaiResearch.com
    (Newbie to Java, old time C# guy.) I have noticed a lot of the use of @Override in Android example code. I thought that all Java methods were by default "Virutal"? What then does @Override do? Example: private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }

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  • Embedded programming books

    - by Velho Kerho
    What embedded programming/design books would you suggest? With embedded I mean near to hardware programming in ASM and C/C++. I'm looking something related to best practices in embedded programming/design. Operation system could be Linux, Real Time Linux or any other RTOS.

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