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  • Cent OS upgrade PHP

    - by greggory.hz
    I'm in the midst of resolving a bunch of security issues on a clients server to get them compliant with credit card laws and such. The first order of business is getting php from 5.2.14 to 5.2.16. When I run yum update php, this is the output I get: Excluding Packages from CentOS-5 - Addons Finished Excluding Packages from CentOS-5 - Base Finished Excluding Packages from CentOS-5 - Extras Finished Excluding Packages from CentOS-5 - Updates Finished Setting up Update Process No Packages marked for Update I'm fairly new to CentOS, but with Debian/Ubuntu, you can add PPAs to allow new software packages. Is there something similar for CentOS? This output makes it look like it's ignoring all the main package repos as well.

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  • Reinstall default apps on Galaxy S3 before updating to Jelly Bean [migrated]

    - by Bruno-P
    I want to update my Galaxy S3 to Jelly Bean but after downloading the firmware using Kies, it starts updating, but then it stops with a "dead" Android with a red triangle icon. I think it's because I have removed some default apps like ChatOn and Yahoo widgets. Is there any way to get them back or to install the official Jelly Bean update without a factory reset? I don't want to reinstall my apps again and lose my settings each time I need to update the OS (I also don't want bloatware apps that are pre-installed). Any ideas?

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  • Spritegroups and colorkeys

    - by Fristi
    I have a problem using spritegroups in pygame. In my situation I have 2 spritegroups, one for humans, one for "infected". A human is represented by a blue circle: image = pygame.Surface((32,32)) image.fill((255,255,255)) pygame.draw.circle(image,(0,0,255),(16,16),16) image = image.convert() image.set_colorkey((255,255,255)) An infected by a red one (same code, different color). I update my spritegroups as follows: self.humans.clear(self.screen, self.bg) self.humans.update(time_passed) self.humans.draw(self.screen) self.infected.clear(self.screen, self.bg) self.infected.update(time_passed) self.infected.draw(self.screen) Self.bg is defined: self.bg = pygame.Surface((SCREEN_WIDTH, SCREEN_HEIGHT)) self.bg.fill((255,255,255)) self.bg.convert() This all works, except that when a red circle overlaps with a blue one, you can see the white corners of the bounding box around the actual circle. Within a spritegroup it works, using the set_colorkey function. This does not happen with overlapping blue circles or overlapping red circles. I tried adding a colorkey to self.bg but that did not work. Same for adding a colorkey to self.screen.

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  • multi-thread in mmorpg server

    - by jean
    For MMORPG, there is a tick function to update every object's state in a map. The function was triggered by a timer in fixed interval. So each map's update can be dispatch to different thread. At other side, server handle player incoming package have its own threads also: I/O threads. Generally, the handler of the corresponding incoming package run in I/O threads. So there is a problem: thread synchronization. I have consider two methods: Synchronize with mutex. I/O thread lock a mutex before execute handler function and map thread lock same mutex before it execute map's update. Execute all handler functions in map's thread, I/O thread only queue the incoming handler and let map thread to pop the queue then call handler function. These two have a disadvantage: delay. For method 1, if the map's tick function is running, then all clients' request need to waiting the lock release. For method 2, if map's tick function is running, all clients' request need to waiting for next tick to be handle. Of course, there is another method: add lock to functions that use data which will be accessed both in I/O thread & map thread. But this is hard to maintain and easy to goes incorrect. It needs carefully check all variables whether or not accessed by both two kinds thread. My problem is: is there better way to do this? Notice that I said map is logic concept means no interactions can happen between two map except transport. I/O thread means thread in 3rd part network lib which used to handle client request.

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  • impossible to install Framework 3.5

    - by yae
    Hi few days ago I formatted one of my computers (XP Home SP2 with prior updates installed). Now I am trying to install NET Framework 3.5, but display this error: [03/21/10,17:19:36] Microsoft .NET Framework 2.0a: [2] Error: Installation failed for component Microsoft .NET Framework 2.0a. MSI returned error code 1603 [03/21/10,17:20:17] WapUI: [2] DepCheck indicates Microsoft .NET Framework 2.0a is not installed. Already i have tried this to try solve this issue, but the problem persists. 1.- unistall all frameworks and reinstall from scratch 2.- clean all temps file and reinstall from scratch 3.- unistall and clean all frameworks with dotnetfx cleanup tool and reinstall from scratch 4.- install .NET Framework 3.5 full package But all these possibles solutions have failed. Any idea to solve this? Thanks in advance

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  • Outlook hangs during startup by step &ldquo;loading profile&rdquo;

    - by Marko Apfel
    Problem Starting Outlook shows only the splash screen with comment “loading profile”. I could cancel the startup but restarting shows the same. I verified with Task Manager that no hidden outlook process is bother me. Solution Scanpst Normally with Outlook the tool “Microsoft Outlook Inbox Repair Tool” (scanpst.exe) is additionally installed. Some people could access it via Startmenu, but not me. My lovely Launchy found it under "C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE" Scanpst first ask you for the pst file which you would like to scan. I started with the first default offer: C:\Users\…\AppData\Local\Microsoft\Outlook\….ost And this brings up the information, that another application uses this file. Handle To investigate the causer Handle from Sysinternals is your friend in such cases. Start it from an administrative console and pipe the output to a file. handle > c:\temp\handle.txt Now you could open this file with the editor of your choose and search for the blocked file (your pst file). On top of the section you see the application which has a handle to this file opened (SfdcMsO1.exe). Task Manager Kill this application and start Outlook again. And voila – everything starts up fine … by me

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  • Agressive Auto-Updating?

    - by MattiasK
    What do you guys think is best practice regarding auto-updating? Google Chrome for instance seems to auto-update itself as soon as it get's a chance without asking and I'm fine with it. I think most "normal" users benefits from updates being a transparent process. Then again, some more technical users might be miffed if you update their app without permission, as I see it there's 3 options: 1) Have a checkbox when installing that says "allow automatic updates" 2) Just have a preference somewhere that allows you to "disable automatic updates" so that you have to "check for updates manually" I'm leaning towards 2) because 1) feels like it might alienate non-technical users and I'd rather avoid installation queries if possible. Also I'm thinking about making it easy to downgrade if an upgrade (heaven forbid) causes trouble, what are your thoughts? Another question, even if auto-updates are automatically, perhaps they should be announced. If there's new features for example otherwise you might not realize and use them One thing that kinda scares me though is the security implications, someone could theorically hack my server and push out spyware/zombieware to all my customers. It seems that using digital signatures to prevent man-in-the-middle attacks is the least you could do otherwise you might be hooked up to a network that spoofs the address of of update server.

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  • Converting Visio (.vsd) files to pdf automatically [migrated]

    - by Aseques
    I am trying to create a scheduled task to convert all my .vsd files to pdf so all of our devices can read them (linux, mac, smartphones, etc..) and I would prefer not paying for something that can be done with Visio + PDFcreator. The approach of using openoffice doesn't work with .vsd files since it's not a supported format ( Method/tools for batch-converting Microsoft Word files into PDF?) What I've currently is this: 'C:\Program Files\Microsoft Office\Visio11\VISIO.EXE' /pt "Z:\Archive\Files.vsd",-PPDFCREATORPRINTER /nologo That is able to open automatically the document I want and to prepare it to be printed, the only missing part is that it requires me to confirm on the printing dialog. There's some information here: http://support.microsoft.com/kb/314392 but it doesn't explain abotu non interactive printing.

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  • Aggressive Auto-Updating?

    - by MattiasK
    What do you guys think is best practice regarding auto-updating? Google Chrome for instance seems to auto-update itself as soon as it get's a chance without asking and I'm fine with it. I think most "normal" users benefits from updates being a transparent process. Then again, some more technical users might be miffed if you update their app without permission, as I see it there's 3 options: 1) Have a checkbox when installing that says "allow automatic updates" 2) Just have a preference somewhere that allows you to "disable automatic updates" so that you have to "check for updates manually" I'm leaning towards 2) because 1) feels like it might alienate non-technical users and I'd rather avoid installation queries if possible. Also I'm thinking about making it easy to downgrade if an upgrade (heaven forbid) causes trouble, what are your thoughts? Another question, even if auto-updates are automatically, perhaps they should be announced. If there's new features for example otherwise you might not realize and use them One thing that kinda scares me though is the security implications, someone could theorically hack my server and push out spyware/zombieware to all my customers. It seems that using digital signatures to prevent man-in-the-middle attacks is the least you could do otherwise you might be hooked up to a network that spoofs the address of of update server.

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  • How to write an autohotkey script to toggle the Show hidden files and folders setting?

    - by Oq
    I would like to make use of a hotkey to toggle the Show hidden files and folders setting. I want to use it on both windowsXp and Windows7. Here is what I got so far: #h:: RegRead, Showall_Status, HKEY_LOCAL_MACHINE, Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL, CheckedValue, If Showall_Status = 0 RegWrite, REG_DWORD, HKEY_LOCAL_MACHINE, Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL, CheckedValue, 1 Else RegWrite, REG_DWORD, HKEY_LOCAL_MACHINE, Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL, CheckedValue, 0 Return Problem is when I run the script it simply does nothing. Not sure what I am missing.

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  • Mouse pointer size inconsistent

    - by charon00
    Since installing Ubuntu 12.04, I've been having a problem with the mouse pointer size. On the desktop, it is quite a bit larger than it should be (24), though the different cursors (editing text, hyperlink hand, etc) are correct. The size changes to the correct size when the pointer is over some application windows (GVim, Netbeans, Firefox), but then changes back once it is moved out of the window. There was a similar question here, but the Xdefaults solution did not work for me, and I didn't want to try the one requiring editing the icon image. In addition, I've tried changing the cursor theme using sudo update-alternatives --config x-cursor-theme as well as using the dconf-editor, but though I can change the theme, the size issue remains. In case it's relevant, I'm running on a dual-screen setup with monitor sizes of 2560x1600 and 1920x1080, using the NVidia video driver. Is there another way to control pointer size, or a setting that might be messing it up? EDIT: These are the values/options I have for update-alternatives and in dconf-editor. I'm now wondering if Netbeans and Firefox are making the mouse pointer smaller than it should be, but I'm not sure how big 24 should be... update-alternatives: Selection Path Priority Status ------------------------------------------------------------ 0 /usr/share/icons/DMZ-White/cursor.theme 90 auto mode 1 /etc/X11/cursors/core.theme 30 manual mode 2 /etc/X11/cursors/handhelds.theme 20 manual mode 3 /etc/X11/cursors/redglass.theme 20 manual mode 4 /etc/X11/cursors/whiteglass.theme 20 manual mode * 5 /usr/share/icons/DMZ-Black/cursor.theme 30 manual mode 6 /usr/share/icons/DMZ-White/cursor.theme 90 manual mode dconf-editor: I can't post the image since I'm a new user but the cursor-size is set to 24 and the cursor-theme is DMZ-Black.

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  • How to automate slipstream?

    - by Gregory MOUSSAT
    Since years I use slipstreamed Windows installations. This works very well, but preparing them is tedious : 1 - install a Windows with the last slipstreamed version we have (automated install) 2 - check Windowsupdate to see what's new, and take note 3 - download each new update available 4 - go to step 2 until no new update is available 5 - slipstream them into the last version we have (I already automated this step) I'd like a way to automate parts or all of this. Maybe a program able to know which updates are installed (already saw one, I don't remember which, and I know PowerShell can do this)... and able to download them ? Or to get them from local disk ? So the steps become : 1 - install a Windows with the last slipstreamed version we have (automated install) 2 - use Windowsupdate until no new update is available (any way to automate ?) 3 - use the magic program 4 - slipstream

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  • Why is `cmd /C` living after it did its job?

    - by acidzombie24
    My question is why does "cmd" exist (idle) in my process after i update my exe? In my code i run this code to update myself and launch var args = string.Format(@"/C ping 1.1.1.1 -n 1 -w 3000 & move /Y ""{0}"" ""{1}"" & ""{1}"" {2}", updateFn, fn, exeargs); new Process() { StartInfo = new ProcessStartInfo(@"cmd", args) { CreateNoWindow = true, UseShellExecute = false } }.Start(); Environment.Exit(0); The idea is i exit right away and have ping stall for 3seconds before trying to replace my current exe with my updated exe. Then i launch with the necessary args The full arg for cmd looks like this /C ping 1.1.1.1 -n 1 -w 3000 & move /Y "c:\path\update" "c:\path\my.exe" & "c:\path\my.exe" exeargs Everything works fine however i see cmd in the taskmanager (looks to be idle) after my process is launched and correctly working. Why?

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  • Unable to install visual studio 2012 on windows 7

    - by Nirvan
    I was attempting to install Visual Studio 2012 Express Version on windows 7, but got the following error. The error talks about some Interop Assem, which I believe is related to Microsoft Office. I tried to install the Interop Assem, but it seems that they cannot be installed for Starter Versions of the Microsoft Office. So, how do I go about installing Visual Studio 2012 on my Windows 7 machine, without full version of Microsoft Office installed, Or the error is related to something else. Update: I have tried to install the following Interop Assem but the installation terminates without any status.

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  • Windows 7 boot error

    - by jason
    I am running windows 7 professional, everything was working fine until I installed a software driver clearner suggested by nvidia customer service and I cleaned only nvidia graphic driver installation since then my windows does not work at all. I can access everything from startup repair, did lots of time repair but nothing happened. System restore does not work it says c: drive is not available, its 100% there and I can access every file from command prompt. Almost two days passed and I applied every solution discussed on several forums, now only thing left is either install fresh windows (Which i really don't want to do) or update windows (which windows does not let me to do, it says I have to update it from windows) My question is there any way to update (not fresh/custom installation) windows from command prompt? P.s: Safe mode, safe mode command nothing works except startup repair option. I ran sfc /scannow no problem found. I also removed all attached hardwares. Any help would be greatly appreciated.

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  • Updating GeForce 9200 driver on Vista (64-bit) yields installer failed

    - by weka
    OK, so I have a Windows Vista... more specifically this: http://www.newegg.com/Product/Product.aspx?Item=N82E16883103182 a Acer Aspire AX3200-U3600A Desktop. I have DirectX 11 and I am trying to update my drivers... During the update of the latest one: GeForce 306.23 Driver my screen flashes a bit and goes black. This is standard when updating GRAPHIC DRIVERS. Then... my screen shifts 50 pixels or so to the left... OFFSCREEN. Not even Auto Image Adjust will fix the screen back... Then after that happens, I get this: Help, please? I just want to update my graphic drivers....

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  • EXC_BAD_ACCESS error when box2d joint is destroyed

    - by colilo
    When I destroy the weldJoint in the update method (see below) I get an EXC_BAD_ACCESS error pointing to the line world->DestroyJoint(weldJoint); in the update method below: -(void) update: (ccTime) dt { int32 velocityIterations = 8; int32 positionIterations = 1; // Instruct the world to perform a single step of simulation. It is // generally best to keep the time step and iterations fixed. world->Step(dt, velocityIterations, positionIterations); // using the iterator pos over the set std::set<BodyPair *>::iterator pos; for(pos = bodiesForJoints.begin(); pos != bodiesForJoints.end(); ++pos) { b2WeldJointDef weldJointDef; BodyPair *bodyPair = *pos; b2Body *bodyA = bodyPair->bodyA; b2Body *bodyB = bodyPair->bodyB; weldJointDef.Initialize(bodyA, bodyB, bodyA->GetWorldCenter()); weldJointDef.collideConnected = false; weldJoint = (b2WeldJoint*) world->CreateJoint(&weldJointDef); // Free the structure we allocated earlier. free(bodyPair); // Remove the entry from the set. bodiesForJoints.erase(pos); } for(b2Body *b = world->GetBodyList(); b; b=b->GetNext()) { if (b->GetUserData() != NULL) { CCSprite *mainSprite = (CCSprite*)b->GetUserData(); if (mainSprite.tag == 1) { mainSprite.position = CGPointMake( b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO); CGPoint mainSpritePosition = mainSprite.position; if (mainSprite.isMoved) { world->DestroyJoint(weldJoint); } } } } } In the HelloWorldLayer.h I set the weldJoint with the assign property. Am I destroying the joint in the wrong way? I would really appreciate any help. Thanks

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  • Windows 7 - all usb devices go to sleep im idle mode

    - by dvdx
    A strange thing happened after a few updates to the system: Intel rapid storage SSD firmware update Intel Ethernet adapter update GPU Intel update When the computer turns off the screen (after 5 min), an unknown time later, all the USB devices stop working. Sound card Mouse Keybord etc. I can't turn them back on, so I can't wake up the screen or do anything except turn the computer off and back on. I checked my power save profile and all is OK there. I changed in the Device Manager, the Allow USB to sleep in all the hubs. How can I fix this??

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  • Pushing new mailbox limits for Exchange 2003 accounts

    - by Dobler
    There is this problem that I have every time I set up an account for a user on Exchange 2003. After I update the Mailbox limit to unlimited in the Exchange tab in the user preferences it does not seem to update right away. I remember reading somewhere that it takes several hours for the change to update in the database. I also remember typing in some terminal command that pushed the new updates immediately. What is that command, and why is it so difficult to find the answer to this problem on Google?

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  • If and else condition not working properly in xna [closed]

    - by user1090751
    I am developing chess like game and i wanted to show error message if user try to place any player inside the box which is not empty. For example in certain place if there is empty then the object(2d object) is placed else it should show error message. However in my program it is showing message everytime i.e when i place object on empty place then also it is showing error message. Please see the below code: protected override void Update(GameTime gameTime) { // Allows the game to exit if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed) this.Exit(); // TODO: Add your update logic here for (int i = 0; i < 25; i++) { MouseState mouseState; mouseDiBack = false; mouseState = Mouse.GetState(); if (new Rectangle(mouseState.X, mouseState.Y, 1, 1).Intersects(rect_arr[i])) { background_color_arr[i] = Color.Red; } else { background_color_arr[i] = Color.White; } if (new Rectangle(mouseState.X, mouseState.Y, 1, 1).Intersects(rect_arr[i]) && (mouseState.LeftButton == ButtonState.Pressed)) { if (boxes[i] != "goat" && boxes[i] != "tiger") { place = i; if (turn == "goat") { boxes[i] = "goat"; turn = "tiger"; } else { boxes[i] = "tiger"; turn = "goat"; } } else { errMsg = "This " + i + " block is not empty to place " + turn + ". Please select empty block!!"; } } } base.Update(gameTime); }

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  • The model item passed into the dictionary is of type ‘mvc.Models.ModelA’ but this dictionary require

    - by Malcolm Frexner
    I have this annoying mistake in some of my builds. There is no error in the project, because if I build again, then the problem disappears. The message only appears, when the site is deployed to a Windows 2008 Server. I first thought that it might be an issue with temporary files, but thats not the case. I deployed the build to a different web and the error still appears. The error appears on random actions of the site. Most of the time builds are ok, but each 3rd or 4th build produces runtime errors. I build using a WebdeploymentProject in release mode. Views are precompiled. It's not http://stackoverflow.com/questions/178194/in-asp-net-mvc-i-encounter-an-incorrect-type-error-when-rendering-a-page-with-the, because views have totally different names. How I can debug this problem or how I can get help for this? Here is my WebDeploymentProject <!-- Microsoft Visual Studio 2008 Web Deployment Project http://go.microsoft.com/fwlink/?LinkID=104956 --> <Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProductVersion>9.0.21022</ProductVersion> <SchemaVersion>2.0</SchemaVersion> <ProjectGuid>{E5E14CEB-0BCD-4203-9A5A-34ABA9C717EA}</ProjectGuid> <SourceWebPhysicalPath>..\B2CWeb</SourceWebPhysicalPath> <SourceWebProject>{3E632DB6-6DB3-4BD0-8CCA-12DE67165B48}|B2CWeb\B2CWeb.csproj</SourceWebProject> <SourceWebVirtualPath>/B2CWeb.csproj</SourceWebVirtualPath> <TargetFrameworkVersion>v3.5</TargetFrameworkVersion> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <OutputPath>.\Debug</OutputPath> <EnableUpdateable>false</EnableUpdateable> <UseMerge>true</UseMerge> <SingleAssemblyName>B2CWeb_Build</SingleAssemblyName> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <DebugSymbols>false</DebugSymbols> <OutputPath>..\B2CWeb_Deploy\</OutputPath> <EnableUpdateable>false</EnableUpdateable> <UseMerge>true</UseMerge> <SingleAssemblyName>B2C_Web</SingleAssemblyName> <ContentAssemblyName> </ContentAssemblyName> <DeleteAppCodeCompiledFiles>false</DeleteAppCodeCompiledFiles> </PropertyGroup> <ItemGroup> </ItemGroup> <Import Project="$(MSBuildExtensionsPath)\Microsoft\WebDeployment\v9.0\Microsoft.WebDeployment.targets" /> <!-- To modify your build process, add your task inside one of the targets below and uncomment it. Other similar extension points exist, see Microsoft.WebDeployment.targets. <Target Name="BeforeBuild"> </Target> <Target Name="BeforeMerge"> </Target> <Target Name="AfterMerge"> </Target> <Target Name="AfterBuild"> </Target> --> </Project>

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  • VB.Net: exception on ExecuteReader() using OleDbCommand and Access

    - by Shane Fagan
    Hi again all, im getting the error below for this SQL statement in VB.Net 'Fill in the datagrid with the info needed from the accdb file 'to make it simple to access the db connstring = "Provider=Microsoft.ACE.OLEDB.12.0;Data " connstring += "Source=" & Application.StartupPath & "\AuctioneerSystem.accdb" 'make the new connection conn = New System.Data.OleDb.OleDbConnection(connstring) 'the sql command SQLString = "SELECT AllPropertyDetails.PropertyID, Street, Town, County, Acres, Quotas, ResidenceDetails, Status, HighestBid, AskingPrice FROM AllPropertyDetails " SQLString += "INNER JOIN Land ON AllPropertyDetails.PropertyID = Land.PropertyID " SQLString += "WHERE Deleted = False " If PriceRadioButton.Checked = True Then SQLString += "ORDER BY AskingPrice ASC" ElseIf AcresRadioButton.Checked = True Then SQLString += "ORDER BY Acres ASC" End If 'try to open the connection conn.Open() 'if the connection is open If ConnectionState.Open.ToString = "Open" Then 'use the sqlstring and conn to create the command cmd = New System.Data.OleDb.OleDbCommand(SQLString, conn) 'read the db and put it into dr dr = cmd.ExecuteReader If dr.HasRows Then 'if there is rows in the db then make sure the list box is clear 'clear the rows and columns if there is rows in the data grid LandDataGridView.Rows.Clear() LandDataGridView.Columns.Clear() 'add the columns LandDataGridView.Columns.Add("PropertyNumber", "Property Number") LandDataGridView.Columns.Add("Address", "Address") LandDataGridView.Columns.Add("Acres", "No. of Acres") LandDataGridView.Columns.Add("Quotas", "Quotas") LandDataGridView.Columns.Add("Details", "Residence Details") LandDataGridView.Columns.Add("Status", "Status") LandDataGridView.Columns.Add("HighestBid", "Highest Bid") LandDataGridView.Columns.Add("Price", "Asking Price") While dr.Read 'output the fields into the data grid LandDataGridView.Rows.Add( _ dr.Item("PropertyID").ToString _ , dr.Item("Street").ToString & " " & dr.Item("Town").ToString & ", " & dr.Item("County").ToString _ , dr.Item("Acres").ToString _ , dr.Item("Quota").ToString _ , dr.Item("ResidenceDetails").ToString _ , dr.Item("Status").ToString _ , dr.Item("HighestBid").ToString _ , dr.Item("AskingPrice").ToString) End While End If 'close the data reader dr.Close() End If 'close the connection conn.Close() Any ideas why its not working? The fields in the DB and the table names seem ok but its not working :/ The tables are AllPropertyDetails ProperyID:Number Street: text Town: text County: text Status: text HighestBid: Currency AskingPrice: Currency Land PropertyID: Number Acres: Number Quotas: Text ResidenceDetails: text System.InvalidOperationException was unhandled Message="An error occurred creating the form. See Exception.InnerException for details. The error is: No value given for one or more required parameters." Source="AuctioneerProject" StackTrace: at AuctioneerProject.My.MyProject.MyForms.Create__Instance__[T](T Instance) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 190 at AuctioneerProject.My.MyProject.MyForms.get_LandReport() at AuctioneerProject.ReportsMenu.LandButton_Click(Object sender, EventArgs e) in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\ReportsMenu.vb:line 4 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(ApplicationContext context) at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine) at AuctioneerProject.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() InnerException: System.Data.OleDb.OleDbException ErrorCode=-2147217904 Message="No value given for one or more required parameters." Source="Microsoft Office Access Database Engine" StackTrace: at System.Data.OleDb.OleDbCommand.ExecuteCommandTextErrorHandling(OleDbHResult hr) at System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) at System.Data.OleDb.OleDbCommand.ExecuteReader(CommandBehavior behavior) at System.Data.OleDb.OleDbCommand.ExecuteReader() at AuctioneerProject.LandReport.load_Land() in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\LandReport.vb:line 37 at AuctioneerProject.LandReport.PriceRadioButton_CheckedChanged(Object sender, EventArgs e) in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\LandReport.vb:line 79 at System.Windows.Forms.RadioButton.OnCheckedChanged(EventArgs e) at System.Windows.Forms.RadioButton.set_Checked(Boolean value) at AuctioneerProject.LandReport.InitializeComponent() in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\LandReport.designer.vb:line 40 at AuctioneerProject.LandReport..ctor() in C:\Users\admin\Desktop\Auctioneers\AuctioneerProject\AuctioneerProject\LandReport.vb:line 5 InnerException:

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  • How do I use Sketchflow sample data for a ListBoxItem Template at design time?

    - by Boris Nikolaevich
    I am using Expression Blend 4 and Visual Studio 2010 to create a Sketchflow prototype. I have a Sample Data collection and a ListBox that is bound to it. This displays as I would expect both at design time and at run time. However, the ListBoxItem template it just complex enough that I wanted to pull it out into its own XAML file. Even though the items still render as expected in the main ListBox where the template is used, when I open the template itself, all of the databound controls are empty. If I add a DataContext to the template, I can see and work with the populated objects while in the template, but then that local DataContext overrides the DataContext set on the listbox. A bit of code will illustrate. Start by creating a Sketchflow project (I am using Silverlight, but it should work the same for WPF), then add a project data source called SampleDataSource. Add a collection called ListData, with a single String property called Title. Here is the (scaled down) code for the main Sketchflow screen, which we'll call Main.xaml: <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:DemoScreens" mc:Ignorable="d" x:Class="DemoScreens.Main" Width="800" Height="600"> <UserControl.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="ProjectDataSources.xaml"/> </ResourceDictionary.MergedDictionaries> <DataTemplate x:Key="ListBoxItemTemplate"> <local:DemoListBoxItemTemplate d:IsPrototypingComposition="True" Margin="0,0,5,0" Width="748"/> </DataTemplate> </ResourceDictionary> </UserControl.Resources> <Grid x:Name="LayoutRoot" Background="#5c87b2" DataContext="{Binding Source={StaticResource SampleDataSource}}"> <ListBox Background="White" x:Name="DemoList" Style="{StaticResource ListBox-Sketch}" Margin="20,100,20,20" ItemTemplate="{StaticResource ListBoxItemTemplate}" ItemsSource="{Binding ListData}" ScrollViewer.HorizontalScrollBarVisibility="Disabled"/> </Grid> </UserControl> You can see that it references the DemoListBoxItemTemplate, which is defined in its own DemoListBoxItemTemplate.xaml: <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:DemoScreens" mc:Ignorable="d" x:Class="DemoScreens.DemoListBoxItemTemplate"> <Grid x:Name="LayoutRoot"> <TextBlock Text="{Binding Title}" Style="{StaticResource BasicTextBlock-Sketch}" Width="150"/> </Grid> </UserControl> Obviously, this is way simpler than my actual listbox, but it should be enough to illustrate my problem. When you open Main.xaml in the Expression designer, the list box is populated with sample data. But when you open DemoListBoxItemTemplate.xaml, there is no data context and therefore no data to display—which makes it more difficult to identify controls visually. How can I have sample data displayed when I am working with the template, while still allowing the larger set of sample data to be used for the ListBox itself?

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  • Python/numpy tricky slicing problem

    - by daver
    Hi stack overflow, I have a problem with some numpy stuff. I need a numpy array to behave in an unusual manner by returning a slice as a view of the data I have sliced, not a copy. So heres an example of what I want to do: Say we have a simple array like this: a = array([1, 0, 0, 0]) I would like to update consecutive entries in the array (moving left to right) with the previous entry from the array, using syntax like this: a[1:] = a[0:3] This would get the following result: a = array([1, 1, 1, 1]) Or something like this: a[1:] = 2*a[:3] # a = [1,2,4,8] To illustrate further I want the following kind of behaviour: for i in range(len(a)): if i == 0 or i+1 == len(a): continue a[i+1] = a[i] Except I want the speed of numpy. The default behavior of numpy is to take a copy of the slice, so what I actually get is this: a = array([1, 1, 0, 0]) I already have this array as a subclass of the ndarray, so I can make further changes to it if need be, I just need the slice on the right hand side to be continually updated as it updates the slice on the left hand side. Am I dreaming or is this magic possible? Update: This is all because I am trying to use Gauss-Seidel iteration to solve a linear algebra problem, more or less. It is a special case involving harmonic functions, I was trying to avoid going into this because its really not necessary and likely to confuse things further, but here goes. The algorithm is this: while not converged: for i in range(len(u[:,0])): for j in range(len(u[0,:])): # skip over boundary entries, i,j == 0 or len(u) u[i,j] = 0.25*(u[i-1,j] + u[i+1,j] + u[i, j-1] + u[i,j+1]) Right? But you can do this two ways, Jacobi involves updating each element with its neighbours without considering updates you have already made until the while loop cycles, to do it in loops you would copy the array then update one array from the copied array. However Gauss-Seidel uses information you have already updated for each of the i-1 and j-1 entries, thus no need for a copy, the loop should essentially 'know' since the array has been re-evaluated after each single element update. That is to say, every time we call up an entry like u[i-1,j] or u[i,j-1] the information calculated in the previous loop will be there. I want to replace this slow and ugly nested loop situation with one nice clean line of code using numpy slicing: u[1:-1,1:-1] = 0.25(u[:-2,1:-1] + u[2:,1:-1] + u[1:-1,:-2] + u[1:-1,2:]) But the result is Jacobi iteration because when you take a slice: u[:,-2,1:-1] you copy the data, thus the slice is not aware of any updates made. Now numpy still loops right? Its not parallel its just a faster way to loop that looks like a parallel operation in python. I want to exploit this behaviour by sort of hacking numpy to return a pointer instead of a copy when I take a slice. Right? Then every time numpy loops, that slice will 'update' or really just replicate whatever happened in the update. To do this I need slices on both sides of the array to be pointers. Anyway if there is some really really clever person out there that awesome, but I've pretty much resigned myself to believing the only answer is to loop in C.

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  • Persistence classes in Qt

    - by zarzych
    Hi, I'm porting a medium-sized CRUD application from .Net to Qt and I'm looking for a pattern for creating persistence classes. In .Net I usually created abstract persistence class with basic methods (insert, update, delete, select) for example: public class DAOBase<T> { public T GetByPrimaryKey(object primaryKey) {...} public void DeleteByPrimaryKey(object primaryKey) {...} public List<T> GetByField(string fieldName, object value) {...} public void Insert(T dto) {...} public void Update(T dto) {...} } Then, I subclassed it for specific tables/DTOs and added attributes for DB table layout: [DBTable("note", "note_id", NpgsqlTypes.NpgsqlDbType.Integer)] [DbField("note_id", NpgsqlTypes.NpgsqlDbType.Integer, "NoteId")] [DbField("client_id", NpgsqlTypes.NpgsqlDbType.Integer, "ClientId")] [DbField("title", NpgsqlTypes.NpgsqlDbType.Text, "Title", "")] [DbField("body", NpgsqlTypes.NpgsqlDbType.Text, "Body", "")] [DbField("date_added", NpgsqlTypes.NpgsqlDbType.Date, "DateAdded")] class NoteDAO : DAOBase<NoteDTO> { } Thanks to .Net reflection system I was able to achieve heavy code reuse and easy creation of new ORMs. The simplest way to do this kind of stuff in Qt seems to be using model classes from QtSql module. Unfortunately, in my case they provide too abstract an interface. I need at least transactions support and control over individual commits which QSqlTableModel doesn't provide. Could you give me some hints about solving this problem using Qt or point me to some reference materials? Update: Based on Harald's clues I've implemented a solution that is quite similar to the .Net classes above. Now I have two classes. UniversalDAO that inherits QObject and deals with QObject DTOs using metatype system: class UniversalDAO : public QObject { Q_OBJECT public: UniversalDAO(QSqlDatabase dataBase, QObject *parent = 0); virtual ~UniversalDAO(); void insert(const QObject &dto); void update(const QObject &dto); void remove(const QObject &dto); void getByPrimaryKey(QObject &dto, const QVariant &key); }; And a generic SpecializedDAO that casts data obtained from UniversalDAO to appropriate type: template<class DTO> class SpecializedDAO { public: SpecializedDAO(UniversalDAO *universalDao) virtual ~SpecializedDAO() {} DTO defaultDto() const { return DTO; } void insert(DTO dto) { dao->insert(dto); } void update(DTO dto) { dao->update(dto); } void remove(DTO dto) { dao->remove(dto); } DTO getByPrimaryKey(const QVariant &key); }; Using the above, I declare the concrete DAO class as following: class ClientDAO : public QObject, public SpecializedDAO<ClientDTO> { Q_OBJECT public: ClientDAO(UniversalDAO *dao, QObject *parent = 0) : QObject(parent), SpecializedDAO<ClientDTO>(dao) {} }; From within ClientDAO I have to set some database information for UniversalDAO. That's where my implementation gets ugly because I do it like this: QMap<QString, QString> fieldMapper; fieldMapper["client_id"] = "clientId"; fieldMapper["name"] = "firstName"; /* ...all column <-> field pairs in here... */ dao->setFieldMapper(fieldMapper); dao->setTable("client"); dao->setPrimaryKey("client_id"); I do it in constructor so it's not visible at a first glance for someone browsing through the header. In .Net version it was easy to spot and understand. Do you have some ideas how I could make it better?

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