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  • Windows Vista will not boot; the file header checksum does not match the computed checksum

    - by Magnus
    Right out of the blue, my wife's Sony Vaio stopped booting. This, not so fun, error message displays immediately after POST: The system cannot boot. The file is possibly corrupt. The file header checksum does not match the computed checksum The repair option on the Vista DVD says everything is fine and dandy, it couldn't be more happier or more clueless... Any ideas? Update: CHKDSK reports no issues. CHKDSK /r reports no issues. (Heck, both Windows Repair and CHKDSK could just as well tell me that I have won on lottery or that the earth is flat... ) Some have reported that a mem diagnostic could help, but for me the mem diag has just ran through 5 passes. It doesn't seem to help. According to Sony, pressing F10 should bring up the restore menu, but it doesn't, the error pops up straight after Bios POST. It seems that this error is first in line of all options at this point, and is doesn't put a smile on my face. I have attached an external USB drive and copied all user data/documents to it. I feel an OS re-install is around the corner.

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  • Command line tool for MediaWiki?

    - by Magnus
    Is there a command line tool that would allow me to script creation of accounts on a MediaWiki instance? The UI for creating an account is painful, and very time consuming when tasked with creating 10+ accounts at a time. Unfortunately I can't get ImportUsers to work due to the very old version of MediaWiki we use (and upgrading is unfortunately not possible at this time).

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  • Is Windows XP Pro not a good Hyper-V guest citizen?

    - by Magnus
    On my Windows Server 2008 R2 w. the Hyper-V role, I have these guest VMs: 3 x Windows Server 2008 R2 2 x Windows Server 2003 x86 2 x Windows 7 x64 1 x Windows XP Pro x86 In general, all machines are very fast and responsive. However, the Windows XP Pro guest is very sluggish. It can take up to 2 minutes to connect to the console/or a RD session. Sometimes it can "go into sleep" for several minutes. I have tried to add a 2nd CPU and more memory, but it doesn't help. When the issue happens, it's more or less impossible to get a responsive Task Manager up to analyze which process is hogging the CPU. But I have noticed that it can be various processes; lsass.exe, crss.exe etc. Integration Services is installed. Microsoft Security Essentials is installed, but I have tried without it, no difference. Any ideas?

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  • Exchange 2010 sends out spam.

    - by Magnus Gladh
    Hi. I have an Exchange Server 2010, that uses a smart host to send out mails. A day ago the owner of smart host contact us and told us that we send out spam. I have try different open relay test on the net and all of them come back saying that this server is secured and can not be used as relay server. But I can see in my Exchange Queue Viewer that it keeps coming in new messages. Here is an example of how it looks. Identity: mailserver\3874\13128 Subject: Olevererbart:: [email protected] Pfizer -75% now Internet Message ID: <[email protected]> From Address: <> Status: Ready Size (KB): 6 Message Source Name: DSN Source IP: 255.255.255.255 SCL: -1 Date Received: 2010-12-09 21:46:22 Expiration Time: 2010-12-11 21:46:22 Last Error: Queue ID: mailserver\3874 Recipients: [email protected] How can I secure our exchange server more, to stop this from happening? Could I have got an virus that hooks up to our exchange server and send mail throw that? As I can see the From Address is always <, is there someway that I can stop sending mails that don't have a from address that I describe? Pleas help

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  • force unzip to also delete any missing files

    - by Magnus
    Currently when I unzip into a directory with pre-existing files, I sometimes unzip an archive to update the files, using -f or -u or -o to overwrite any clashes. However I would like the unzip process to also delete any files which were not part of the archive, so that the unzipped version fully matches what was in the zipped archive. (Why not just replace the directory then with a fresh unzip? Because I still want to preserve .svn files, just wipe everything else)

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  • Windows Server 2008 R2 stuck at System Recovery Options

    - by Magnus
    One of my Windows Server 2008 R2 server has started to go into System Recovery Options at reboot. I have tried to let it go through a System Image Recovery, which it says completes successfully. But after reboot it again wants to do a system recovery. Safe mode doesn't work; it still wants to do a system recovery. Putting in the install DVD trying to do a repair actually brings up the very same System Revoery dialog again. Nothing has changed configuration wise. Any ideas?

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  • Windows Server 2008 R2 stuck at System Recovery Options

    - by Magnus
    My Windows Server 2008 R2 has started to go into System Recovery Options at reboot. I have tried to let it go through a System Image Recovery, which it says completes successfully. But after reboot it again wants to do a system recovery. Safe mode doesn't work; it still wants to do a system recovery. Putting in the install DVD trying to do a repair actually brings up the very same System Revoery dialog again. Nothing has changed configuration wise. Any ideas?

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  • I want to replace a number with successive numbers, starting at 1 and going up.

    - by Pär-Magnus Green
    I'm aware that this is something people can easily program, but I'm not familiar with those things, so I was hoping there was an easier solution. I've edited a large database of questions, including sorting, and ended up getting all the question ID's mixed up. I'm trying to do this in Notepad++, but any other suggestions are welcome. I'm wondering if there's a way to search for a string (ex. "Question[any number]") and replace the numbers with first 1, then 2, et.c. For clarification, this is how one question looks like: TriviaBot_Questions[3]['Question'][63] = "Acronyms: What does WTT stand for?"; TriviaBot_Questions[3]['Answers'][63] = {"Want To Trade"}; TriviaBot_Questions[3]['Category'][63] = 7; TriviaBot_Questions[3]['Points'][63] = 1; TriviaBot_Questions[3]['Hints'][63] = {}; and the next question, as is now, is not followed by 64. It might be 245 or 1029, and regardless of which number it is, I want it replaced with "previous number + 1", basically.

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  • Duel Masters game in Java

    - by Arun Ramasubramanian
    I was trying to make a Duel Masters card game in Java using BlueJ, and came up with a lot of ideas. However, I could not exactly figure out how to sort a deck on basis of the card names in the game. I have an array of Card objects(each has, as its instance variables: String name, int cost, int civ), and I want to sort them based on name. ie: if I have the cards "Pyrofighter Magnus", "Bazagazeal Dragon" and another "Pyrofighter Magnus" in the array, the cards should be sorted on basis of their names. I know that I could use compareTo(), but is there an easier method? Anyone? Remember, the method that sorts the cards should be a modifier.

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  • How to use custom IComparer for SortedDictionary?

    - by Magnus Johansson
    I am having difficulties to use my custom IComparer for my SortedDictionary<. The goal is to put email addresses in a specific format ([email protected]) as the key, and sort by last name. When I do something like this: public class Program { public static void Main(string[] args) { SortedDictionary<string, string> list = new SortedDictionary<string, string>(new SortEmailComparer()); list.Add("[email protected]", "value1"); list.Add("[email protected]", "value2"); foreach (KeyValuePair<string, string> kvp in list) { Console.WriteLine(kvp.Key); } Console.ReadLine(); } } public class SortEmailComparer : IComparer<string> { public int Compare(string x, string y) { Regex regex = new Regex("\\b\\w*@\\b", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.IgnorePatternWhitespace | RegexOptions.Compiled ); string xLastname = regex.Match(x).ToString().Trim('@'); string yLastname = regex.Match(y).ToString().Trim('@'); return xLastname.CompareTo(yLastname); } } I get this ArgumentException: An entry with the same key already exists. when adding the second item. I haven't worked with a custom IComparer for a SortedDictionary before, and I fail to see my error , what am I doing wrong?

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  • Is there a way of recover from an Exception in Directory.EnumerateFiles ?

    - by Magnus Johansson
    In .NET 4, there's this Directory.EnumerateFiles() method with recursion that seems handy. However, if an Exception occurs within a recursion, how can I continue/recover from that and continuing enumerate the rest of the files? try { var files = from file in Directory.EnumerateFiles(@"c:\", "*.*", SearchOption.AllDirectories) select new { File = file }; Console.WriteLine(files.Count().ToString()); } catch (UnauthorizedAccessException uEx) { Console.WriteLine(uEx.Message); } catch (PathTooLongException ptlEx) { Console.WriteLine(ptlEx.Message); }

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  • How to use map/reduce to handle more than 10000 unique keys for grouping in MongoDB?

    - by Magnus Johansson
    I am using MongoDB v1.4 and the mongodb-csharp driver and I try to group on a data store that has more than 10000 keys, so I get this error: assertion: group() can't handle more than 10000 unique keys using c# code like this: Document query = new Document().Append("group", new Document() .Append("key", new Document().Append("myfieldname", true)) .Append("$reduce", new CodeWScope( "function(obj,prev) { prev.count++; }")) .Append("initial", new Document().Append("count", 0)) .Append("ns", "myitems")); I read that I should use map/reduce, but I can't figure out how. Can somebody please shed some light on how to use map/reduce? Or is there any other way to get around this limitation? Thanks.

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  • Aero Snap not working for my application

    - by Magnus Österlind
    I have a problem with Aero Snap not working with the application I'm working on (Windows desktop, native C++ application), and I'm a bit confused as to what's happening, as it seems like it should just work, out of the box. I've used Spy++ on a mininal win32 application, and get the following messages when I press Win-Left: <00070 00030D1C P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:0 fUp:0 <00071 00030D1C P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:1 fUp:0 <00072 00030D1C P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:1 fUp:0 <00088 00030D1C S WM_GETMINMAXINFO lpmmi:0043FCBC <00089 00030D1C R WM_GETMINMAXINFO lpmmi:0043FCBC <00090 00030D1C S WM_WINDOWPOSCHANGING lpwp:0043FCC4 <00091 00030D1C S WM_GETMINMAXINFO lpmmi:0043F8E8 <00092 00030D1C R WM_GETMINMAXINFO lpmmi:0043F8E8 <00093 00030D1C R WM_WINDOWPOSCHANGING .. and so on So I can see that the WM_KEYDOWN for the left key isn't reaching the application, but I'm getting the aero snap "resize window" stuff instead. When I Spy++ my application, I can see that the left key isn't being "intercepted", but instead being passed on to the application, so I don't get any snapping goodness. <00043 000F0F12 P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:0 fUp:0 <00044 000F0F12 P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:1 fUp:0 <00045 000F0F12 P WM_KEYDOWN nVirtKey:VK_LWIN cRepeat:1 ScanCode:5B fRepeat:1 fUp:0 <00060 000F0F12 P WM_KEYUP nVirtKey:VK_LEFT cRepeat:1 ScanCode:4B fRepeat:0 fUp:1 I'm going to dig into the cores of our message handling and see what's going on, but I'll take all the tips I can get :)

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  • Finding the FORM that an element belongs to in JavaScript

    - by Magnus Smith
    How can I find out which FORM an HTML element is contained within, using a simple/small bit of JavaScript? In the example below, if I have already got hold of the SPAN called 'message', how can I easily get to the FORM element? <form name="whatever"> <div> <span id="message"></span> </div> </form> The SPAN might be nested within other tables or DIVs, but it seems too long-winded to iterate around .parentElement and work my way up the tree. Is there a simpler and shorter way? If it wasn't a SPAN, but an INPUT element, would that be easier? Do they have a property which points back to the containing FORM? Google says no...

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  • Getting website data into Adobe InDesign

    - by Magnus Smith
    I'd like our magazine team to be able to download website data in a file that Adobe InDesign can read. They can then import/open the file, make a few tweaks, and cut out a vast deal of repetitive manual labour (they currently use copy&paste for a few hours). After a brief Google I note that v2 of InDesign can import/export XML so perhaps that is my best bet? Are there any alternatives, and can anyone offer any advice on them? I am using a PC, and the magazine team are on Macs; testing will be tiresome I fear. The data we wish to format is fairly simple - a title followed by a short chunk of text (repeated about 50 times, say). I'll ask about importing images later. Thanks for your help. I will return to Google now, but it would be great if anyone can point me in a more specific direction first!

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  • Compiling C lib and OCaml exe using it, all using ocamlfind

    - by Magnus
    I'm trying to work out how to use ocamlfind to compile a C library and an OCaml executable using that C library. I put together a set of rather silly example files. % cat sillystubs.c #include <stdio.h> #include <caml/mlvalues.h> #include <caml/memory.h> #include <caml/alloc.h> #include <caml/custom.h> value caml_silly_silly( value unit ) { CAMLparam1( unit ); printf( "%s\n", __FILE__ ); CAMLreturn( Val_unit ); } % cat silly.mli external silly : unit -> unit = "silly_silly" % cat foo.ml open Silly open String let _ = print_string "About to call into silly"; silly (); print_string "Called into silly" I believe the following is the way to compile up the library: % ocamlfind ocamlc -c sillystubs.c % ar rc libsillystubs.a sillystubs.o % ocamlfind ocamlc -c silly.mli % ocamlfind ocmalc -a -o silly.cma -ccopt -L${PWD} -cclib -lsillystubs Now I don't seem to be able to use the created library though: % ocamlfind ocamlc -custom -o foo foo.cmo silly.cma /usr/bin/ld: cannot find -lsillystubs collect2: ld returned 1 exit status File "_none_", line 1, characters 0-1: Error: Error while building custom runtime system The OCaml tools are somewhat mysterious to me, so any pointers would be most welcome.

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  • How to prevent application thievery (specific to Android applications)?

    - by Berdon Magnus
    Hey, I was wondering what the most effective way of preventing people from stealing my application (downloading a copy of the .apk online rather than buying it). I've spent a lot of time on one in particular (Droidbox) and won't be releasing Sync until I can guarantee that the people who are providing illegal copies of the pro version aren't able to. Anyone implemented this? I've tried checking my package signature verses an the signature of an unsigned copy but it appears to be the same - perhaps I'm doing something incorrectly here. I'm unsure whether people actually distribute the signed .apk in which case I don't think signature validation would work to begin with... Please note, this question is specific to Android Marketplace Applications - the difference being, application delivery is out of my hands and I have no way of linking between a legitimate purchase and an illegal download.

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  • Event sourcing: Write event before or after updating the model

    - by Magnus
    I'm reasoning about event sourcing and often I arrive at a chicken and egg problem. Would be grateful for some hints on how to reason around this. If I execute all I/O-bound processing async (ie writing to the event log) then how do I handle, or sometimes even detect, failures? I'm using Akka Actors so processing is sequential for each event/message. I do not have any database at this time, instead I would persist all the events in an event log and then keep an aggregated state of all the events in a model stored in memory. Queries are all against this model, you can consider it to be a cache. Example Creating a new user: Validate that the user does not exist in model Persist event to journal Update model (in memory) If step 3 breaks I still have persisted my event so I can replay it at a later date. If step 2 breaks I can handle that as well gracefully. This is fine, but since step 2 is I/O-bound I figured that I should do I/O in a separate actor to free up the first actor for queries: Updating a user while allowing queries (A0 = Front end/GUI actor, A1 = Processor Actor, A2 = IO-actor, E = event bus). (A0-E-A1) Event is published to update user 'U1'. Validate that the user 'U1' exists in model (A1-A2) Persist event to journal (separate actor) (A0-E-A1-A0) Query for user 'U1' profile (A2-A1) Event is now persisted continue to update model (A0-E-A1-A0) Query for user 'U1' profile (now returns fresh data) This is appealing since queries can be processed while I/O-is churning along at it's own pace. But now I can cause myself all kinds of problems where I could have two incompatible commands (delete and then update) be persisted to the event log and crash on me when replayed up at a later date, since I do the validation before persisting the event and then update the model. My aim is to have a simple reasoning around my model (since Actor processes messages sequentially single threaded) but not be waiting for I/O-bound updates when Querying. I get the feeling I'm modeling a database which in itself is might be a problem. If things are unclear please write a comment.

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  • Overlapping 2 Flash objects and controlling z-index

    - by Magnus Smith
    I have two Flash objects on a webpage (call them A and B), and they overlap so one partially obscures the other. I don't seem to have any control over the z-index, to force B in front of A. Whatever I try, A always 'wins' and stays on the top! I have read many people's posts about problem with getting HTML to show over the top of Flash...but nothing about when your two overlapping items are both Flash objects. I have tried various combinations of wmode=opaque/transparent/window I have tried CSS position:absolute/relative and z-index:0/999 I have tried placing the HTML sections in a different order The problem is the same in IE6 and Firefox 2.0 I do not want to use jQuery in this case In my particular situation B must have position:absolute and wmode=transparent, and sit above A. A needs relative positioning and transparency is not required. However, I have been testing without these restrictions, and I still have no control over the overlap. Are some SWFs (ours are adverts sent by clients) created in such a way as to override any code control of z-index? Thanks for any advice you can give.

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  • Determine if the current thread has low I/O priority

    - by Magnus Hoff
    I have a background thread that does some I/O-intensive background type work. To please the other threads and processes running, I set the thread priority to "background mode" using SetThreadPriority, like this: SetThreadPriority(GetCurrentThread(), THREAD_MODE_BACKGROUND_BEGIN); However, THREAD_MODE_BACKGROUND_BEGIN is only available in Windows Server 2008 or newer, as well as Windows Vista and newer, but the program needs to work well on Windows Server 2003 and XP as well. So the real code is more like this: if (!SetThreadPriority(GetCurrentThread(), THREAD_MODE_BACKGROUND_BEGIN)) { SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_LOWEST); } The problem with this is that on Windows XP it will totally disrupt the system by using too much I/O. I have a plan for a ugly and shameful way of mitigating this problem, but that depends on me being able to determine if the current thread has low I/O priority or not. Now, I know I can store which thread priority I ended up setting, but the control flow in the program is not really well suited for this. I would rather like to be able to test later whether or not the current thread has low I/O priority -- if it is in "background mode". GetThreadPriority does not seem to give me this information. Is there any way to determine if the current thread has low I/O priority?

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  • Does a C++ destructor always or only sometimes call data member destructors?

    - by Magnus
    I'm trying to validate my understanding of C++ destructors. I've read many times that C++ supplies a default destructor if I don't write one myself. But does this mean that if I DO write a destructor that the compiler WON'T still provide the default cleanup of stack-allocated class fields? My hunch is that the only sane behavior would be that all class fields are destroyed no matter what, whether I provide my own destructor or not. In which case the statement I've read so many times is actually a little misleading and could be better stated as: "Whether or not you write your own destructor, the C++ compiler always writes a default destructor-like sequence to deallocate the member variables of your class. You may then specify additional deallocations or other tasks as needed by defining your own destructor" Is this correct?

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  • Link to other document's title in DocBook

    - by Magnus
    I'm putting together a few documents using DocBook. Almost all of them will refer to each other in some way, so I put together a bibliography section (using <bibliography). Is there some way, e.g. using <olink>, to automatically pull in the titles of the other documents? <biblioentry id="foo"> <abbrev>FOO</abbrev> <title>what do I put here?</title </biblioentry>

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  • Make wix installation set upgrade to same folder

    - by Magnus Akselvoll
    How can I make a major upgrade to an installation set (MSI) built with Wix install into the same folder as the original installation? The installation is correctly detected as an upgrade, but the directory selection screen is still shown and with the default value (not necessarily the current installation folder). Do I have to do manual work like saving the installation folder in a registry key upon first installing and then read this key upon upgrade? If so, is there any example? Or is there some easier way to achieve this in MSI / Wix? As reference I paste in my current Wix file below: <?xml version="1.0" encoding="utf-8"?> <!-- Package information --> <Package Keywords="Installer" Id="e85e6190-1cd4-49f5-8924-9da5fcb8aee8" Description="Installs MyCompany Integration Framework 1.0.0" Comments="Installs MyCompany Integration Framework 1.0.0" InstallerVersion="100" Compressed="yes" /> <Upgrade Id='9071eacc-9b5a-48e3-bb90-8064d2b2c45d'> <UpgradeVersion Property="PATCHFOUND" OnlyDetect="no" Minimum="0.0.1" IncludeMinimum="yes" Maximum="1.0.0" IncludeMaximum="yes"/> </Upgrade> <!-- Useless but necessary... --> <Media Id="1" Cabinet="MyCompany.cab" EmbedCab="yes" /> <!-- Precondition: .Net 2 must be installed --> <Condition Message='This setup requires the .NET Framework 2 or higher.'> <![CDATA[MsiNetAssemblySupport >= "2.0.50727"]]> </Condition> <Directory Id="TARGETDIR" Name="SourceDir"> <Directory Id="MyCompany" Name="MyCompany"> <Directory Id="INSTALLDIR" Name="Integrat" LongName="MyCompany Integration Framework"> <Component Id="MyCompanyDllComponent" Guid="4f362043-03a0-472d-a84f-896522ce7d2b" DiskId="1"> <File Id="MyCompanyIntegrationDll" Name="IbIntegr.dll" src="..\Build\MyCompany.Integration.dll" Vital="yes" LongName="MyCompany.Integration.dll" /> <File Id="MyCompanyServiceModelDll" Name="IbSerMod.dll" src="..\Build\MyCompany.ServiceModel.dll" Vital="yes" LongName="MyCompany.ServiceModel.dll" /> </Component> <!-- More components --> </Directory> </Directory> </Directory> <Feature Id="MyCompanyProductFeature" Title='MyCompany Integration Framework' Description='The complete package' Display='expand' Level="1" InstallDefault='local' ConfigurableDirectory="INSTALLDIR"> <ComponentRef Id="MyCompanyDllComponent" /> </Feature> <!-- Task scheduler application. It has to be used as a property --> <Property Id="finaltaskexe" Value="MyCompany.Integration.Host.exe" /> <Property Id="WIXUI_INSTALLDIR" Value="INSTALLDIR" /> <InstallExecuteSequence> <!-- command must be executed: MyCompany.Integration.Host.exe /INITIALCONFIG parameters.xml --> <Custom Action='PropertyAssign' After='InstallFinalize'>NOT Installed AND NOT PATCHFOUND</Custom> <Custom Action='LaunchFile' After='InstallFinalize'>NOT Installed AND NOT PATCHFOUND</Custom> <RemoveExistingProducts Before='CostInitialize' /> </InstallExecuteSequence> <!-- execute comand --> <CustomAction Id='PropertyAssign' Property='PathProperty' Value='[INSTALLDIR][finaltaskexe]' /> <CustomAction Id='LaunchFile' Property='PathProperty' ExeCommand='/INITIALCONFIG "[INSTALLDIR]parameters.xml"' Return='asyncNoWait' /> <!-- User interface information --> <UIRef Id="WixUI_InstallDir" /> <UIRef Id="WixUI_ErrorProgressText" />

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