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• I’m new to C++ and unsure about how to improve this code [migrated]

  - by Laian Alsabbagh

  The purpose of the following code is to get a random number of 100 nodes and to distribute these nodes randomly in range 500*500 …(X,Y).. this was the first step #include<iostream> #include <fstream> #include<cmath> using namespace std; int main() { const int x = 0, y = 1; int nodes[100][2]; ofstream myfile; myfile.open ("example.txt"); myfile << "Writing this to a file.\n"; for (int i=0; i<100 ;i++) { nodes[i][x] = rand() % 501; nodes[i][y] = rand() % 501; myfile <<nodes[i][x]<<" "<<nodes[i][y]; } myfile.close(); } now the next step is to improve this code to distribute these nodes in order ( "Imust divide both xy_coordinates as : x= 0-100-200-300-400-500 & y=0-100-200-300-400-500) next is to distribute the nodes (regardless number of nodes) in order range Starting from (0,100 )….(100,100)..(100,200)…….untile i reach the last point (500,500),, ") I’m really confused of how to do it correctly I start to think to define 2 dimensional array , and then to define 2 for loops enter code here Int no_nodes=100; Int XY_coordinate [500][500]; For (int i=0;i<no_nodes; i++) { For (int j=0;j<no_nodes; j++)

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• Can't get Jacobi algorithm to work in Objective-C

  - by Chris Long

  Hi, For some reason, I can't get this program to work. I've had other CS majors look at it and they can't figure it out either. This program performs the Jacobi algorithm (you can see step-by-step instructions and a MATLAB implementation here). BTW, it's different from the Wikipedia article of the same name. Since NSArray is one-dimensional, I added a method that makes it act like a two-dimensional C array. After running the Jacobi algorithm many times, the diagonal entries in the NSArray (i[0][0], i[1][1], etc.) are supposed to get bigger and the others approach 0. For some reason though, they all increase exponentially. For instance, i[2][4] should equal 0.0000009, not 9999999, while i[2][2] should be big. Thanks in advance, Chris NSArray+Matrix.m @implementation NSArray (Matrix) @dynamic offValue, transposed; - (double)offValue { double sum = 0.0; for ( MatrixItem *item in self ) if ( item.nonDiagonal ) sum += pow( item.value, 2.0 ); return sum; } - (NSMutableArray *)transposed { NSMutableArray *transpose = [[[NSMutableArray alloc] init] autorelease]; int i, j; for ( i = 0; i < 5; i++ ) { for ( j = 0; j < 5; j++ ) { [transpose addObject:[self objectAtRow:j andColumn:i]]; } } return transpose; } - (id)objectAtRow:(NSUInteger)row andColumn:(NSUInteger)column { NSUInteger index = 5 * row + column; return [self objectAtIndex:index]; } - (NSMutableArray *)multiplyWithMatrix:(NSArray *)array { NSMutableArray *result = [[NSMutableArray alloc] init]; int i = 0, j = 0, k = 0; double value; for ( i = 0; i < 5; i++ ) { value = 0.0; for ( j = 0; j < 5; j++ ) { for ( k = 0; k < 5; k++ ) { MatrixItem *firstItem = [self objectAtRow:i andColumn:k]; MatrixItem *secondItem = [array objectAtRow:k andColumn:j]; value += firstItem.value * secondItem.value; } MatrixItem *item = [[MatrixItem alloc] initWithValue:value]; item.row = i; item.column = j; [result addObject:item]; } } return result; } @end Jacobi_AlgorithmAppDelegate.m // ... - (void)jacobiAlgorithmWithEntry:(MatrixItem *)entry { MatrixItem *b11 = [matrix objectAtRow:entry.row andColumn:entry.row]; MatrixItem *b22 = [matrix objectAtRow:entry.column andColumn:entry.column]; double muPlus = ( b22.value + b11.value ) / 2.0; muPlus += sqrt( pow((b22.value - b11.value), 2.0) + 4.0 * pow(entry.value, 2.0) ); Vector *u1 = [[[Vector alloc] initWithX:(-1.0 * entry.value) andY:(b11.value - muPlus)] autorelease]; [u1 normalize]; Vector *u2 = [[[Vector alloc] initWithX:-u1.y andY:u1.x] autorelease]; NSMutableArray *g = [[[NSMutableArray alloc] init] autorelease]; for ( int i = 0; i <= 24; i++ ) { MatrixItem *item = [[[MatrixItem alloc] init] autorelease]; if ( i == 6*entry.row ) item.value = u1.x; else if ( i == 6*entry.column ) item.value = u2.y; else if ( i == ( 5*entry.row + entry.column ) || i == ( 5*entry.column + entry.row ) ) item.value = u1.y; else if ( i % 6 == 0 ) item.value = 1.0; else item.value = 0.0; [g addObject:item]; } NSMutableArray *firstResult = [[g.transposed multiplyWithMatrix:matrix] autorelease]; matrix = [firstResult multiplyWithMatrix:g]; } // ...

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• CodePlex Daily Summary for Saturday, June 22, 2013

  CodePlex Daily Summary for Saturday, June 22, 2013Popular ReleasesGac Library -- C++ Utilities for GPU Accelerated GUI and Script: Gaclib 0.5.2.0: Gaclib.zip contains the following content GacUIDemo Demo solution and projects Public Source GacUI library Document HTML document. Please start at reference_gacui.html Content Necessary CSS/JPG files for document. Improvements to the previous release Add 4 demos Controls.DataGrid.ChemicalElements This demo shows how to display data in a GuiVirtualDataGrid control using different styles for different cells. Controls.DataGrid.FileExplorer This demo shows how to use GuiVirtualDataGrid w...Three-Dimensional Maneuver Gear for Minecraft: TDMG 1.1.0.0 for 1.5.2: CodePlex???(????????) ?????????(???1/4) ??????????? ?????????? ???????????(??????????) ??????????????????????? ↑????、?????????????????????(???????) ???、??????????、?????????????????????、????????1.5?????????? Shift+W(????)??????????????????10°、?10°(?????????)???Pizarrón Virtual: Pizarron virtual codigo fuente: Código fuenteHyper-V Management Pack Extensions 2012: HyperVMPE2012: Hyper-V Management Pack Extensions 2012 Beta ReleaseOutlook 2013 Add-In: Email appointments: This new version includes the following changes: - Ability to drag emails to the calendar to create appointments. Will gather all the recipients from all the emails and create an appointment on the day you drop the emails, with the text and subject of the last selected email (if more than one selected). - Increased maximum of numbers to display appointments to 30. You will have to uninstall the previous version (add/remove programs) if you had installed it before. Before unzipping the file...Caliburn Micro: WPF, Silverlight, WP7 and WinRT/Metro made easy.: Caliburn.Micro v1.5.2: v1.5.2 - This is a service release. We've fixed a number of issues with Tasks and IoC. We've made some consistency improvements across platforms and fixed a number of minor bugs. See changes.txt for details. Packages Available on Nuget Caliburn.Micro – The full framework compiled into an assembly. Caliburn.Micro.Start - Includes Caliburn.Micro plus a starting bootstrapper, view model and view. Caliburn.Micro.Container – The Caliburn.Micro inversion of control container (IoC); source code...CODE Framework: 4.0.30618.0: See change notes in the documentation section for details on what's new. Note: If you download the class reference help file with, you have to right-click the file, pick "Properties", and then unblock the file, as many browsers flag the file as blocked during download (for security reasons) and thus hides all content.Toolbox for Dynamics CRM 2011: XrmToolBox (v1.2013.6.18): XrmToolbox improvement Use new connection controls (use of Microsoft.Xrm.Client.dll) New display capabilities for tools (size, image and colors) Added prerequisites check Added Most Used Tools feature Tools improvementNew toolSolution Transfer Tool (v1.0.0.0) developed by DamSim Updated toolView Layout Replicator (v1.2013.6.17) Double click on source view to display its layoutXml All tools list Access Checker (v1.2013.6.17) Attribute Bulk Updater (v1.2013.6.18) FetchXml Tester (v1.2013.6.1...Media Companion: Media Companion MC3.570b: New* Movie - using XBMC TMDB - now renames movies if option selected. * Movie - using Xbmc Tmdb - Actor images saved from TMDb if option selected. Fixed* Movie - Checks for poster.jpg against missing poster filter * Movie - Fixed continual scraping of vob movie file (not DVD structure) * Both - Correctly display audio channels * Both - Correctly populate audio info in nfo's if multiple audio tracks. * Both - added icons and checked for DTS ES and Dolby TrueHD audio tracks. * Both - Stream d...Document.Editor: 2013.24: What's new for Document.Editor 2013.24: Improved Video Editing support Improved Link Editing support Minor Bug Fix's, improvements and speed upsExtJS based ASP.NET Controls: FineUI v3.3.0: ??FineUI ?? ExtJS ??? ASP.NET ???。 FineUI??? ?? No JavaScript，No CSS，No UpdatePanel，No ViewState，No WebServices ???????。 ?????? IE 7.0、Firefox 3.6、Chrome 3.0、Opera 10.5、Safari 3.0+ ???? Apache License v2.0 ?：ExtJS ?? GPL v3 ?????(http://www.sencha.com/license)。 ???? ??：http://fineui.com/bbs/ ??：http://fineui.com/demo/ ??：http://fineui.com/doc/ ??：http://fineui.codeplex.com/ FineUI???? ExtJS ?????????，???? ExtJS ?。 ????? FineUI ? ExtJS ?：http://fineui.com/bbs/forum.php?mod=viewthrea...BarbaTunnel: BarbaTunnel 8.0: Check Version History for more information about this release.ExpressProfiler: ExpressProfiler v1.5: [+] added Start time, End time event columns [+] added SP:StmtStarting, SP:StmtCompleted events [*] fixed bug with Audit:Logout eventpatterns & practices: Data Access Guidance: Data Access Guidance Drop4 2013.06.17: Drop 4Kooboo CMS: Kooboo CMS 4.1.1: The stable release of Kooboo CMS 4.1.0 with fixed the following issues: https://github.com/Kooboo/CMS/issues/1 https://github.com/Kooboo/CMS/issues/11 https://github.com/Kooboo/CMS/issues/13 https://github.com/Kooboo/CMS/issues/15 https://github.com/Kooboo/CMS/issues/19 https://github.com/Kooboo/CMS/issues/20 https://github.com/Kooboo/CMS/issues/24 https://github.com/Kooboo/CMS/issues/43 https://github.com/Kooboo/CMS/issues/45 https://github.com/Kooboo/CMS/issues/46 https://github....VidCoder: 1.5.0 Beta: The betas have started up again! If you were previously on the beta track you will need to install this to get back on it. That's because you can now run both the Beta and Stable version of VidCoder side-by-side! Note that the OpenCL and Intel QuickSync changes being tested by HandBrake are not in the betas yet. They will appear when HandBrake integrates them into the main branch. Updated HandBrake core to SVN 5590. This adds a new FDK AAC encoder. The FAAC encoder has been removed and now...Wsus Package Publisher: Release v1.2.1306.16: Date/Time are displayed as Local Time. (Last Contact, Last Report and DeadLine) Wpp now remember the last used path for update publishing. (See 'Settings' Form for options) Add an option to allow users to publish an update even if the Framework has judged the certificate as invalid. (Attention : Using this option will NOT allow you to publish or revise an update if your certificate is really invalid). When publishing a new update, filter update files to ensure that there is not files wi...Employee Info Starter Kit: v6.0 - ASP.NET MVC Edition: Release Home - Getting Started - Hands on Coding Walkthrough – Technology Stack - Design & Architecture EISK v6.0 – ASP.NET MVC edition bundles most of the greatest and successful platforms, frameworks and technologies together, to enable web developers to learn and build manageable and high performance web applications with rich user experience effectively and quickly. User End SpecificationsCreating a new employee record Read existing employee records Update an existing employee reco...OLAP PivotTable Extensions: Release 0.8.1: Use the 32-bit download for... Excel 2007 Excel 2010 32-bit (even Excel 2010 32-bit on a 64-bit operating system) Excel 2013 32-bit (even Excel 2013 32-bit on a 64-bit operating system) Use the 64-bit download for... Excel 2010 64-bit Excel 2013 64-bit Just download and run the EXE. There is no need to uninstall the previous release. If you have problems getting the add-in to work, see the Troubleshooting Installation wiki page. The new features in this release are: View #VALUE! Err...DirectXTex texture processing library: June 2013: June 15, 2013 Custom filtering implementation for Resize & GenerateMipMaps(3D) - Point, Box, Linear, Cubic, and Triangle TEX_FILTER_TRIANGLE finite low-pass triangle filter TEX_FILTER_WRAP, TEX_FILTER_MIRROR texture semantics for custom filtering TEX_FILTER_BOX alias for TEX_FILTER_FANT WIC Ordered and error diffusion dithering for non-WIC conversion sRGB gamma correct custom filtering and conversion DDS_FLAGS_EXPAND_LUMINANCE - Reader conversion option for L8, L16, and A8L8 legacy ...New Projects7tin - For Business Expansion: 7tin.net one project that every Businessman can open a shop and sale everything. It's free.AntikCompta: AntikCompta is the easiest way to share comptability beetween an antiquaire and it's account manager.Community wallpaper: share your desktop wall paper with others using People Near Me (PNM) protocolDeep.NET: This project aims at providing basic tools for developers to build learning models that can extract hierarchical representations of knowledge. DynamicAccess: DynamicAccess is a library to aid connecting DLR languages such as ironpython and ironruby to non-dynamic languages like managed C++. It also fills in some gaps in the current C# support of dynamic objects, such as member access by string and deletion of members or indexes.EntInscripcion: Este es un proyecto de inscripcionesExtensible Lightweight Framework: ELF is developed in C# .NET 4.0. It offers extensions on standard components from the .NET Framework and custom components such as MVP. Most classes implement interfaces and are resolved using IoC. Currently a single feature is available, the coming month new features will be added. WCF Service Client - Exception Handling - Retry Logic - Reusable Eye tracking with Kinect for Windows: Attempts to track eyes and calculate the pupillary distance of the user using Kinect for Windows.Hanoi: Another implementation of the popular game of Towers of Hanoi for SmartPhones with Windows Mobile 2003 or newer. But it's not only the classic Towers of Hanoi, it has some value-added features like timing, time-limited gaming, column order changing, etc. It supports from 1 disk to 8. Very geeky game.HR_project: WPF ?????????? ? ???????? ? ???? ??????. ???????? ? ?????????? ????? ??????????? ? ???? ??????.HttpUtility: HttpUtility???C#?HttpRequest（HttpWebRequest）?????。 ??HttpUtility????????? 1.??HttpRequest?Get??，?????html?? 2.??HttpRequest?Post??，?????html?? 3.??HttpRequest??IL2 Stats DB: A SQL 2008 Database Scheme to store data generated by the IL2 Log Parser.maillib: Libreria mail per l'invio di posta elettronicamgl Pluginsystem: mgl is a pluginsystem. MIBETerminal: ---Mobile FIT VUT: Školní aplikace pro zacínající studenty FIT VUT. Obsahuje potrebné informace pro studium na Vysokém ucení v Brne fakulta Informacních technologií. Aplikace obsahuje: -školní prírucku -aktuální jídelní lístkem menz -kontaktní informace na zamestnance FIT VUT -mapu fakulty FIT -aktuality -plánovac úloh Aplikace se nachází na Windows Marketplace: http://www.windowsphone.com/cs-CZ/apps/c2e8036d-970a-4ab1-8ca4-b97788a0dcb5 OMANE: OMANEPDF Unlocker Software for those who want to unlock PDF Restrictions: PDF Unlocker Software has the competence to unlock PDF restrictions. With this tool user can exclusive attribute to remove PDF security completelyPortalCemil: Portal CemilResonance: Resonance is a system to train neural networks, it allows to automate the train of a neural network, distributing the calculation on multiple machines.SauravUtil: These are some small utilities created specially by saurav sarkar. 1. Wcf Tutorial using Entity Framework 5 2. Rest Coming soonSelcukEticaretDenemesi: Test için bir çalisma yürütecegimSPWTF: "SPWTF or SharePoint well thats foolish" is a project that intends to bridge various gaps in the OOTB SharePoint apps story. Enjoy!SQL Server Integration Services Reporting: The canned SSMS Integration Services reports rewritten for deployment on Reporting Services.Swyish Chess: Chess Application built using C# and WPFThree-Dimensional Maneuver Gear for Minecraft: Minecraft?????????????。Urdu Translation: Urdu Translation Project Visual Studio Templates compliant with StyleCop Rules: This project contains the templates and instructions to make your Visual Studio 2008 create new files compliant to StyleCop rules.webapps-in-action.com: Here you'll find all the Code Samples & Solutions from my Blog http://webapps-in-action.com

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• CodePlex Daily Summary for Thursday, August 01, 2013

  CodePlex Daily Summary for Thursday, August 01, 2013Popular ReleasesmyCollections: Version 2.7.11.0: New in this version : Added Copy To functionality (useful if you have NAS or media player). You can now use you web cam to scan UPC Code or take picture for cover. Added Persian Language Improved Ukrainian Translation Improved Pdf export Improved Cover Flow Improved TMDB Information. Improved Zappiti and Dune player compatibility Improved GameDB provider. Fix IMDB provider. Fix issue with rating BugFixing and performance improvement.wsubi: wsubi-1.6: Enhancements included in this release: Implement issue #6 - Add a 'query' Command for .sql scripts You can now run T-SQL scripts with the application. Results can be out for review to the console or saved to a file. For more details on running queries, check the updated Documentation page.SuperSocket, an extensible socket application framework: SuperSocket 1.6 beta 2: The changes included in this release: introduced ServerManager improved the code about process level isolation added new configuration attribute "storeLocation" for the certificate node added sendTimeOut support for async sending fixed a bug that when you close a session, the data is being sent won't be sent suppressed the socket error 10060 fixed the default clear idle session parameters in the config model class added configuration section detecting and give proper exception ...GoAgent GUI: GoAgent GUI 1.4.0: ??????????： Windows XP SP3 Windows Vista SP1 Windows 7 Windows 8 Windows 8.1 ??Windows 8.1???????????? ????： .Net Framework 4.0 http://59.111.20.19/download/17718/33240761/4/exe/69/54/177181/dotNetFx40Fullx86x64.exe Microsoft Visual C++ 2010 Redistributable Package http://59.111.20.23/download/4894298/8555584/1/exe/28/176/1348305610524944/vcredistx86.exe ???????????????。 ?????Windows XP?Windows 7????，???????????，?issue??????。uygw@outlook.comMVC Generator: MVC Generator Visual Studio Addin: This is the latest build, this includes the MVCGenerator.dll, and Visual Studio Addin file. See the home page of this project for installation instructions.nopCommerce. Open source shopping cart (ASP.NET MVC): nopCommerce 3.10: Highlight features & improvements: • Performance optimization. • New more user-friendly product/product-variant logic. Now we'll have only products (simple and grouped). • Bundle products support added. • Allow a store owner to associate product image for product variant attribute values. To see the full list of fixes and changes please visit the release notes page (http://www.nopCommerce.com/releasenotes.aspx).ExtJS based ASP.NET Controls: FineUI v3.3.1: ??FineUI ?? ExtJS ??? ASP.NET ???。 FineUI??? ?? No JavaScript，No CSS，No UpdatePanel，No ViewState，No WebServices ???????。 ?????? IE 7.0、Firefox 3.6、Chrome 3.0、Opera 10.5、Safari 3.0+ ???? Apache License v2.0 ?：ExtJS ?? GPL v3 ?????(http://www.sencha.com/license)。 ???? ??：http://fineui.com/bbs/ ??：http://fineui.com/demo/ ??：http://fineui.com/doc/ ??：http://fineui.codeplex.com/ FineUI ???? ExtJS ????????，???? ExtJS ?，???????????ExtJS?： 1. ????? FineUI ? ExtJS ?：http://fineui.com/bbs/fo...AutoNLayered - Domain Oriented N-Layered .NET 4.5: AutoNLayered v1.0.5: - Fix Dtos. Abstract collections replaced by concrete (correct serialization WCF). - OrderBy in navigation properties. - Unit Test with Fakes. - Map of entities/dto moved to application services. - Libraries updated. Warning using Fakes: http://connect.microsoft.com/VisualStudio/feedback/details/782031/visual-studio-2012-add-fakes-assembly-does-not-add-all-needed-referencesPath Copy Copy: 11.1: Minor release with two new features: Submenu's contextual menu item now has an icon next to it Added reference to JavaScript regular expression format in Settings application Since this release does not have any glaring bug fixes, it is more of an optional update for existing users. It depends on whether you want to be able to spot the Path Copy Copy submenu more easily. I recommend you install it to see if the icon makes sense. As always, please don't hesitate to leave feedback via Discus...Lib.Web.Mvc & Yet another developer blog: Lib.Web.Mvc 6.3.0: Lib.Web.Mvc is a library which contains some helper classes for ASP.NET MVC such as strongly typed jqGrid helper, XSL transformation HtmlHelper/ActionResult, FileResult with range request support, custom attributes and more. Release contains: Lib.Web.Mvc.dll with xml documentation file Standalone documentation in chm file and change log Library source code Sample application for strongly typed jqGrid helper is available here. Sample application for XSL transformation HtmlHelper/ActionRe...Media Companion: Media Companion MC3.574b: Some good bug fixes been going on with the new XBMC-Link function. Thanks to all who were able to do testing and gave feedback. New:* Added some adhoc extra General movie filters, one of which is Plot = Outline (see fixes above). To see the filters, add the following line to your config.xml: <ShowExtraMovieFilters>True</ShowExtraMovieFilters>. The others are: Imdb in folder name, Imdb in not folder name & Imdb not in folder name & year mismatch. * Movie - display <tag> list on browser tab ...OfflineBrowser: Preview Release with Search: I've added search to this release.VG-Ripper & PG-Ripper: VG-Ripper 2.9.46: changes FIXED LoginFIM 2010 GoogleApps MA: GoogleAppsMA1.1.2: Fixed bug during import. - Fixed following bug. - In some condition, 'dn is missing' error occur.Install Verify Tool: Install Verify Tool V 1.0 With Client: Use a windows service to do a remote validation work. QA can use this tool to verify daily build installation.C# Intellisense for Notepad++: 'Namespace resolution' release: Auto-Completion from "empty spot" Add missing "using" statementsOpen Source Job board: Version X3: Full version of job board, didn't have monies to fund it so it's free.DSeX DragonSpeak eXtended Editor: Version 1.0.116.0726: Cleaned up Wizard Interface Added Functionality for RTF UndoRedo IE Inserting Text from Wizard output to the Tabbed Editor Added Sanity Checks to Search/Replace Dialog to prevent crashes Fixed Template and Paste undoredo Fix Undoredo Blank spots Added New_FileTag Const = "(New FIle)" Added Filename to Modified FileClose queries (Thanks Lothus Marque)Math.NET Numerics: Math.NET Numerics v2.6.0: What's New in Math.NET Numerics 2.6 - Announcement, Explanations and Sample Code. New: Linear Curve Fitting Linear least-squares fitting (regression) to lines, polynomials and linear combinations of arbitrary functions. Multi-dimensional fitting. Also works well in F# with the F# extensions. New: Root Finding Brent's method. ~Candy Chiu, Alexander Täschner Bisection method. ~Scott Stephens, Alexander Täschner Broyden's method, for multi-dimensional functions. ~Alexander Täschner ...mojoPortal: 2.3.9.8: see release notes on mojoportal.com https://www.mojoportal.com/mojoportal-2398-released Note that we have separate deployment packages for .NET 3.5 and .NET 4.0, but we recommend you to use .NET 4 with either .NET 4 or ideally .NET 4.5 hosting, we will probably drop support for .NET 3.5 in the near future. The deployment package downloads on this page are pre-compiled and ready for production deployment, they contain no C# source code and are not intended for use in Visual Studio. To downl...New Projects.NET Micro Framework for STM32F4 with GCC support: The project adds GCC compiler support to .NET Micro Framework code for the STM32F4 family of ARM Cortex-based MCUs originally created by Oberon microsystems.AD Group Comparison Tool: This tool scans Active Directory for groups with matching or empty membership lists, identifying redundant groups that can possibly be eliminated.AdvGenWebRSSReader: This project is to build a portal to manage the rss feed.Best Framework: Using This framework most of .net functions that needs a lot of code writing became available almost in 1 line(s) of code. CargoOnLine: ????????cRumble Framework: C# Reporting Framework for support different technologies and a uncoupled reports.DbDataSource: DbDataSource is a ASP.NET WebForms DataSource control for simple use with EntityFramework CodeFirst.Excel Powershell Library: ExcelPSLib is a PowerShell Module that allows easy creation of XLSX file by using the EPPlus 3.1 .Net LibraryGenProj, a tool for automatic maintenance of Visual Studio .csproj files: Creates a .csproj by scanning folders for files and injecting XML into a previously created .csproj template. Uses a configuration file to control behavior.HLSLBuild: fxc integration for MSBuild and Visual Studio.HotelManagerByHuaibao: Here is a hotel management system on developing.ItemMover ..:: I Like SharePoint ::..: The ItemMover offers your users the ability to move list items between any folder from content type “Folder Content Types”. JadeTours: This is the website for JadeToursNaughty Dog Texture Viewer: A simple program that can view textures inside .pak files from games like The Last of Us and Uncharted series.Number Guessing Game: This is my version of the number guessing game. The computer will generate a number between 1-20 and the goal is to guess that number.prakark07312013Git01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [another wiki page] [url:http://www.example.prakark07312013Hg01: https://ajaxcontroltoolkit.codeplex.com/workitem/list/basicprakark07312013TFS01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [another wiki page] [url:http://www.example.PythonCode: Some python code.S1ToKindle: send s1 post to kindleSAML2: An implementation of the SAML 2 specification for .NET.SAML2.Logging.CommonLogging: A logging provider for SAML2 based on Common.Logging.SAML2.Logging.Log4Net: A logging provider for SAML2 based on Log4Net.SAML2.Profiles.DKSAML20: Extension profile for SAML2 which provides OASIS SAML 2.0 validation for the DK specification.SharePoint 2010 Export User Information to Text file, SQL server: This project will help you to export general information about uses from sharepoint 2010 to text file, which you can export into any other database like SQLtestdd07312013git: ftestdd07312013tfs: hjVarian Developers Forum: This project supports Varian collaborators and customers in their work with Varian Medical Systems public APIs.vb??????: vb??????Vinyl: Vinyl is a way to electronically keep track of your record collection.Visual Basic Web Browser: Web browser in visual basicWorkerHourManager: hour managment system,ASP,.NET,college

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• CodePlex Daily Summary for Wednesday, July 31, 2013

  CodePlex Daily Summary for Wednesday, July 31, 2013Popular ReleasesSharePoint 2010 Export User Information to Text file, SQL server: Full Source code of the project: Please change SharePoint server address. I have used my sharepoint server -> http://sneakpreviewWINJS CTK (Control Toolkit): Initial Release: Initial release supports the following. Expander NumericBoxXMLPreprocess: 2.0.18: What's new in this release For XML Spreadsheet 2003 format, used the frozen row at the top of the worksheet to indicate the beginning of the values. This prevents you from having to start your values at row 7. This can be overridden with the /firstValueRow (or /vr) argument. Issues Fixed Fix for Issue 13006 : Corrected default treatment of the value "false" Beginning with this version, the FixFalse behavior that has caused confusion to so many, has hopefully been addressed in a way that st...MVVM.EventToCommand: Tommy.MVVM.EventToCommand: Tommy.MVVM.EventToCommand is a free, open source developer focused event2command via WinRT for MVVM Pattern.MVC Generator: MVC Generator Visual Studio Addin: This is the latest build, this includes the MVCGenerator.dll, and Visual Studio Addin file. See the home page of this project for installation instructions.Project Nonnon: 2013_07_30: ----------==========----------==========----------==========---------- "No news is good news." ----------==========----------==========----------==========---------- Change Log 2013/07/30 BUGFIX game/sound/directsound.c n_directsound_loop() OLD : crash when DirectSound is not supported NEW : fixed game/sound/waveout.c when included OLD : compile error NEW : fixed game/chara.c when included OLD : compile error NEW : fixed game/direct2d.c when included ...Dynamics CRM 2011 EasyPlugins: EasyPlugins-1.2.3.1-managed: V1.2.3.1 - Bug Fix : Condition expression is not saved on action creation - Bug Fix : Request Param with single attribute result - Some style changes v1.2.3.0 - Bug Fix : Twice plugins execution. - New Abort action - Depth Plugin Execution management on each action - Turn On/Off EasyPlugins feature (can be useful in some cases of imports) v1.2.0.0 Associate / Disassociate actions are now available Import / Export features Better management of Lookups Trigger NamingXmlObjectMapper: XOM Alpha 1.0: first Alpha Version of XOM: read and write xml nodes and attributes mapping to IList or Interfaces simple property attribute mapping creates new xml nodes at run time IList changes (add, remove) implemented in the next releasenopCommerce. Open source shopping cart (ASP.NET MVC): nopCommerce 3.10: Highlight features & improvements: • Performance optimization. • New more user-friendly product/product-variant logic. Now we'll have only products (simple and grouped). • Bundle products support added. • Allow a store owner to associate product image for product variant attribute values. To see the full list of fixes and changes please visit the release notes page (http://www.nopCommerce.com/releasenotes.aspx).ExtJS based ASP.NET Controls: FineUI v3.3.1: ??FineUI ?? ExtJS ??? ASP.NET ???。 FineUI??? ?? No JavaScript，No CSS，No UpdatePanel，No ViewState，No WebServices ???????。 ?????? IE 7.0、Firefox 3.6、Chrome 3.0、Opera 10.5、Safari 3.0+ ???? Apache License v2.0 ?：ExtJS ?? GPL v3 ?????(http://www.sencha.com/license)。 ???? ??：http://fineui.com/bbs/ ??：http://fineui.com/demo/ ??：http://fineui.com/doc/ ??：http://fineui.codeplex.com/ FineUI ???? ExtJS ????????，???? ExtJS ?，???????????ExtJS?： 1. ????? FineUI ? ExtJS ?：http://fineui.com/bbs/fo...AutoNLayered - Domain Oriented N-Layered .NET 4.5: AutoNLayered v1.0.5: - Fix Dtos. Abstract collections replaced by concrete (correct serialization WCF). - OrderBy in navigation properties. - Unit Test with Fakes. - Map of entities/dto moved to application services. - Libraries updated. Warning using Fakes: http://connect.microsoft.com/VisualStudio/feedback/details/782031/visual-studio-2012-add-fakes-assembly-does-not-add-all-needed-referencesPath Copy Copy: 11.1: Minor release with two new features: Submenu's contextual menu item now has an icon next to it Added reference to JavaScript regular expression format in Settings application Since this release does not have any glaring bug fixes, it is more of an optional update for existing users. It depends on whether you want to be able to spot the Path Copy Copy submenu more easily. I recommend you install it to see if the icon makes sense. As always, please don't hesitate to leave feedback via Discus...CMake Tools for Visual Studio: CMake Tools for Visual Studio 1.0 RC3: This is the third release candidate of CMake Tools for Visual Studio 1.0, which contains the following bug fixes: Opening a CMake file from Windows Explorer while Visual Studio is already open will no start a new instance of Visual Studio. Typing a symbol while the IntelliSense list box is visible and the text typed so far does not match any item in the list will dismiss the list box and insert the symbol typed.R.NET: R.NET 1.5: The major changes in v1.5 are: Initialize method must be called before using R. Settings should be passed to the method. EagerEvaluate method renamed to Evaluate (use Defer method when you want old version of Evaluate).Media Companion: Media Companion MC3.574b: Some good bug fixes been going on with the new XBMC-Link function. Thanks to all who were able to do testing and gave feedback. New:* Added some adhoc extra General movie filters, one of which is Plot = Outline (see fixes above). To see the filters, add the following line to your config.xml: <ShowExtraMovieFilters>True</ShowExtraMovieFilters>. The others are: Imdb in folder name, Imdb in not folder name & Imdb not in folder name & year mismatch. * Movie - display <tag> list on browser tab ...OfflineBrowser: Preview Release with Search: I've added search to this release.VG-Ripper & PG-Ripper: VG-Ripper 2.9.46: changes FIXED LoginMath.NET Numerics: Math.NET Numerics v2.6.0: What's New in Math.NET Numerics 2.6 - Announcement, Explanations and Sample Code. New: Linear Curve Fitting Linear least-squares fitting (regression) to lines, polynomials and linear combinations of arbitrary functions. Multi-dimensional fitting. Also works well in F# with the F# extensions. New: Root Finding Brent's method. ~Candy Chiu, Alexander Täschner Bisection method. ~Scott Stephens, Alexander Täschner Broyden's method, for multi-dimensional functions. ~Alexander Täschner ...AJAX Control Toolkit: July 2013 Release: AJAX Control Toolkit Release Notes - July 2013 Release Version 7.0725July 2013 release of the AJAX Control Toolkit. AJAX Control Toolkit .NET 4.5 – AJAX Control Toolkit for .NET 4.5 and sample site (Recommended). AJAX Control Toolkit .NET 4 – AJAX Control Toolkit for .NET 4 and sample site (Recommended). AJAX Control Toolkit .NET 3.5 – AJAX Control Toolkit for .NET 3.5 and sample site (Recommended). Notes: - Instructions for using the AJAX Control Toolkit with ASP.NET 4.5 can be found at...MJP's DirectX 11 Samples: Specular Antialiasing Sample: Sample code to complement my presentation that's part of the Physically Based Shading in Theory and Practice course at SIGGRAPH 2013, entitled "Crafting a Next-Gen Material Pipeline for The Order: 1886". Demonstrates various methods of preventing aliasing from specular BRDF's when using high-frequency normal maps. The zip file contains source code as well as a pre-compiled x64 binary.New ProjectsA Simple Java Encryption program: This is my very first Java project. It's a file encryptor. It's purpose is to codify a file to make it look like it contain random information.AA??: aa??，????。Browser Chooser 2: Browser Chooser 2 is an updated fork of the original. It's primary goal is to simplify using multiple browser.campuscloud-mobile: Dieses Projekt enthält die mobilen Apps zur Campuscloud App.campuscloud-owncloudplugins: Dieses Projekt enthält die ownCloud-Plugins zu den CampuCloud-Apps, die ownCloud-Server um weitere Funktionalitäten ergänzen.campuscloud-windowsphone8: Diese Projekt enthält die Windows Phone 8 App zur Campuscloud App.Chronos .Net Performance Profiler: Free .Net Performance ProfilerConvertServer: a pet project i works onDevelopment Tools for Solid Edge: Development tools for Solid Edge.DocAssist: The project is to facilitate user's day-to-day management of her files in a customisable way on Windows System equipped with .NET framework.epe: epeETP 3: prueba de asp mvc para desarrollar conjuntamente en un repositorio tfsHello World in MVC4: Application to testInvoke-MsTest PowerShell Module: A PowerShell module that makes unit testing Visual Studio projects fast and easy. Uses MsTest.exe to launch all test associated with your project or solution.MarathonTP: MarathonTP (TP stands for Transport Protocol) is a lightweight communication protocol specificaly developped for machine to machine communication.Multicopter Simulator: A simulation environment for multicopter built with Microsoft Robotics Developer Studio 4.MVC Rags: A bunch of ASP.NET MVC4 helpersMVVM.EventToCommand: Tommy.MVVM.EventToCommand is a free, open source developer focused event2command via WinRT for MVVM Pattern.RNT.Common: rnt.commonStorageOrizer: Software to manage disk space, e.g. move Programs without damaging function. Subset Sum Problem Solver: SubsetThirdPartyLogin: ?????twitterBootstrapAspNetMVCControls: Asp.net MVC Controls based on twiiter Boostrap( a beautiful html & css framework published by Twitter).Unify: Unify is an automatic IoC Container Configurator, based on layers approach via annotations.V32 Assembler: The assembler for my assembly language for my 32-bit virtual machine with a home-made instruction set.

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• Hashtable with MultiDimensional Key in C#

  - by scottschulthess

  I'm basically looking for a way to access a hashtable value using a two-dimensional typed key in c#. Eventually I would be able to do something like this HashTable[1][false] = 5; int a = HashTable[1][false]; //a = 5 This is what I've been trying...hasn't worked Hashtable test = new Hashtable(); test.Add(new Dictionary<int, bool>() { { 1, true } }, 555); Dictionary<int, bool> temp = new Dictionary<int, bool>() {{1, true}}; string testz = test[temp].ToString();

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• Object Oriented Design Questions

  - by Robert

  Hello there. I am going to develop a Tic-Tac-Toe game using Java(or maybe other OO Languages).Now I have a picture in my mind about the general design. Interface: Player ,then I will be able to implement a couple of Player classes,based on how I want the opponent to be,for example,random player,intelligent player. Classes: Board class,with a two-dimensional array of integers,0 indicates open,1 indicates me,-1 indicates opponent.The evaluation function will be in here as well,to return the next best move based on the current board arrangement and whose turn it is. Refree class,which will create instance of the Board and two player instances,then get the game begin. This is a rough idea of my OO design,could anybody give me any critiques please,I find this is really beneficial,thank you very much.

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• JavaScript Multidimensional Arrays

  - by JasonS

  This wasn't the question I was going to ask but I have unexpectedly run aground with JavaScript arrays. I come from a PHP background and after looking at a few websites I am none the wiser. I am trying to create a multi-dimensional array. var photos = new Array; var a = 0; $("#photos img").each(function(i) { photos[a]["url"] = this.src; photos[a]["caption"] = this.alt; photos[a]["background"] = this.css('background-color'); a++; }); Error message: photos[a] is undefined. How do I do this? Thanks.

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• Best and simple data structure

  - by anshu

  I am trying to create the below matrix in my vb.net so during processing I can get the match scores for the alphabets, for example: What is the match for A and N?, I will look into my inbuilt matrix and return -2 Similarly, What is the match for P and L?, I will look into my inbuilt matrix and return -3 Please suggest me how to go about it, I was trying to use nested dictionary like this: Dim myNestedDictionary As New Dictionary(Of String, Dictionary(Of String, Integer))() Dim lTempDict As New Dictionary(Of String, Integer) lTempDict.Add("A", 4) myNestedDictionary.Add("A", lTempDict) The other way could be is to read the Matrix from a text based file and then fill the two dimensional array. Thanks.

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• Most mind-blowing C++ hack you've ever seen?

  - by sblom

  In the same spirit as the "Hidden features of X?" series, what are the most mind-blowingly well-executed "I didn't even think the language could do that!" hacks that you've ever seen in C++. For example, my recent favorite is an implementation of the "operator" --> for pre-C++0x lambdas. Another fantastic example is Multi-dimensional analog literals. (Note: this is a community wiki question to avoid the appearance of reputation-whoring.)

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• how to sort a multidemensional array by an inner key

  - by Derek Vance

  i have this enormous array that i am pulling from an API for BattleField Bad Company 2, and the soldier stats can be pulled as a multi dimensional array with an inner array for each soldier, however the API sormats it sorting the soldiers by name alphabetically, i want to sort them by rank (which is just another key within that soldiers array). ive been trying to figure this out for days, anyone have any ideas? (ie sort the array by $arr[players][][rank] here is a bit of the array Array ( [players] = Array ( [0] = Array ( [name] = bigjay517 [rank] = 29 [rank_name] = SECOND LIEUTENANT II [veteran] = 0 [score] = 979440 [level] = 169 [kills] = 4134 [deaths] = 3813 [time] = 292457.42 [elo] = 319.297 [form] = 1 [date_lastupdate] = 2010-03-30T14:06:20+02:00 [count_updates] = 13 [general] = Array ( [accuracy] = 0.332 [dogr] = 86 [dogt] = 166 [elo0] = 309.104 [elo1] = 230.849 [games] = 384 [goldedition] = 0 [losses] = 161 [sc_assault] = 146333 [sc_award] = 567190 [sc_bonus] = 35305 [sc_demo] = 96961 [sc_general] = 264700 [sc_objective] = 54740 [sc_recon] = 54202 [sc_squad] = 53210 [sc_support] = 70194 [sc_team] = 21215 [sc_vehicle] = 44560 [slevel] = 0 [spm] = 0 [spm0] = 0 [spm1] = 0 [srank] = 0 [sveteran] = 0 [teamkills] = 67 [udogt] = 0 [wins] = 223 )

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• mutidimensional array from javascript/jquery to ruby/sinatra

  - by user199368

  Hi, how do I pass a 2-dimensional array from javascript to ruby, please? I have this on client side: function send_data() { var testdata = { "1": { "name": "client_1", "note": "bigboy" }, "2": { "name": "client_2", "note": "smallboy" } } console.log(testdata); $.ajax({ type: 'POST', url: 'test', dataType: 'json', data: testdata }); } and this on server side: post '/test' do p params end but I can't get it right. The best I could get on server side is something like {"1"=>"[object Object]", "2"=>"[object Object]"} I tried to add JSON.stringify on client side and JSON.parse on server side, but the first resulted in {"{\"1\":{\"name\":\"client_1\",\"note\":\"bigboy\"},\"2\":{\"name\":\"client_2\",\"note\":\"smallboy\"}}"=>nil} while the latter has thrown a TypeError - can't convert Hash into String. Could anyone help, or maybe post a short snippet of correct code, please? Thank you

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• Implementing a linear, binary SVM (support vector machine)

  - by static_rtti

  I want to implement a simple SVM classifier, in the case of high-dimensional binary data (text), for which I think a simple linear SVM is best. The reason for implementing it myself is basically that I want to learn how it works, so using a library is not what I want. The problem is that most tutorials go up to an equation that can be solved as a "quadratic problem", but they never show an actual algorithm! So could you point me either to a very simple implementation I could study, or (better) to a tutorial that goes all the way to the implementation details? Thanks a lot!

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• Getting Unexpected '<' in simple less than greater than comparison

  - by Elizabeth Buckwalter

  I feel very very very silly posting this, but I can't find the answer. I've searched google and here. // originally values in a multi dimensional array, but used simple values // to rule out errors. $somenumber = 1; $anotherone=5; if ($somenumber < $res->shares < $anotherone ) { blah } Get the error: Parse error: syntax error, unexpected '<' Seems pretty simple and straight forward. Is there some weird thing that you can't compare multiple values? Do I have to explicitly type? It works in Perl. Which of course means that it has to work like this in everything else. ;)

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• how do i return arraylist from a function?

  - by KoolKabin

  Hi guys, I learnt example from msdn to populate a listbox control with arraylist. http://msdn.microsoft.com/en-us/library/1818w7we(v=VS.100).aspx I want to create a function which will give return the USStates arraylist and use the returned value as datasource for listbox1 Dim USStates As New ArrayList() USStates.Add(New USState("Alabama", "AL")) USStates.Add(New USState("Washington", "WA")) USStates.Add(New USState("West Virginia", "WV")) USStates.Add(New USState("Wisconsin", "WI")) USStates.Add(New USState("Wyoming", "WY")) ListBox1.DataSource = USStates ListBox1.DisplayMember = "LongName" ListBox1.ValueMember = "ShortName I tried creating a function like: Public Shared Function FillList() As ArrayList() Dim USStates As New ArrayList() USStates.Add(New USState("Alabama", "AL")) USStates.Add(New USState("Washington", "WA")) USStates.Add(New USState("West Virginia", "WV")) USStates.Add(New USState("Wisconsin", "WI")) USStates.Add(New USState("Wyoming", "WY")) return usstates end function but it says error: Value of type 'System.Collections.ArrayList' cannot be converted to '1-dimensional array of System.Collections.ArrayList'.

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• How to display a two column ListView in Android?

  - by Josemalive

  Hi, I have an android application that shows a grid view that shows: 1 2 3 4 GridView gridview=(GridView)findViewById(R.id.GridView_test); DataBaseHelper dbhelper=new DataBaseHelper(this); ArrayList<String> test=new ArrayList<String>(5); backlinksadapter.add("1"); backlinksadapter.add("2"); backlinksadapter.add("3"); backlinksadapter.add("4"); ArrayAdapter mAdapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, test); gridview.setAdapter(mAdapter); By the moment is working, but i would like to show foreach line of the grid, 2 columns with the values of a 2 dimensional array (something like the GridView in ASP.Net - as datasource -). I would like to show: 1 | Person 1 2 | Person 2 3 | Person 3 4 | Person 4 Any idea?

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• Rotate array clockwise

  - by user69514

  I have a two dimensional array that I need to rotate 90 degrees clockwise, however I keep getting arrayindexoutofbounds... public int[][] rorateArray(int[][] arr){ //first change the dimensions vertical length for horizontal length //and viceversa int[][] newArray = new int[arr[0].length][arr.length]; //invert values 90 degrees clockwise by starting from button of //array to top and from left to right int ii = 0; int jj = 0; for(int i=0; i<arr[0].length; i++){ for(int j=arr.length-1; j>=0; j--){ newArray[ii][jj] = arr[i][j]; jj++; } ii++; } return newArray; }

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• Overriding equals, hashCode and toString in a Clojure deftype

  - by mikera

  I'm trying to create a new type in Clojure using deftype to implement a two dimensional (x,y) coordinate, which implements a "Location" protocol. I'd also like to have this implement the standard Java equals, hashCode and toString methods. My initial attempt is: (defprotocol Location (get-x [p]) (get-y [p]) (add [p q])) (deftype Point [#^Integer x #^Integer y] Location (get-x [p] x) (get-y [p] y) (add [p q] (let [x2 (get-x q) y2 (get-y q)] (Point. (+ x x2) (+ y y2)))) Object (toString [self] (str "(" x "," y ")")) (hashCode [self] (unchecked-add x (Integer/rotateRight y 16))) (equals [self b] (and (XXXinstanceofXXX Location b) (= x (get-x b)) (= y (get-y b))))) However the equals method still needs some way of working out if the b parameter implements the Location protocol. What is the right approach? Am I on the right track?

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• Android simple question

  - by Josemalive

  Hi, I have an android application that shows a grid view that shows: 1 2 3 4 GridView gridview=(GridView)findViewById(R.id.GridView_test); DataBaseHelper dbhelper=new DataBaseHelper(this); ArrayList<String> test=new ArrayList<String>(5); backlinksadapter.add("1"); backlinksadapter.add("2"); backlinksadapter.add("3"); backlinksadapter.add("4"); ArrayAdapter mAdapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, test); gridview.setAdapter(mAdapter); By the moment is working, but i would like to show foreach line of the grid, 2 columns with the values of a 2 dimensional array (something like the GridView in ASP.Net - as datasource -). I would like to show: 1 | Person 1 2 | Person 2 3 | Person 3 4 | Person 4 Any idea? Thanks in advance. Jose.

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• Simple reduction (NP completeness)

  - by Allen

  hey guys I'm looking for a means to prove that the bicriteria shortest path problem is np complete. That is, given a graph with lengths and weights, I need to know if a there exists a path in the graph from s to t with total length <= L and weight <= W. I know that i must take an NP complete problem and reduce it to this one. We have at our disposal the following problems to choose from: 3-SAT, independent set, vertex cover, hamiltonian cycle, and 3-dimensional matching. Any ideas on which may be viable? thanks

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• Removing $_SESSION['layout']['action'] globally from all users!

  - by sologhost

  Ok, I am storing a session variable like so to load up users layouts faster if it's set instead of calling the database. But since the layout can be changed via the Administrator, I'd like to be able to globally remove all sessions where $_SESSION['layout']['action'] is set for all users. $_SESSION['layout']['action'] = array(a ton of indexes and mulit-dimensional arrays); Now, I know it's being stored into my database sessions table, there's a column for session_id, last_update, and data. So, question I have is how to remove that session array key ['action'] from all users. Using $_SESSION = array(); session_destroy(); Does not work. Basically, session_start() is being loaded on every page load, so I just want to remove all ['action'] keys from ['layout']. Is this possible to do? Thanks

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• NSString stringWithFormat: with C array?

  - by Chris Long

  Hi, I'm writing a program that calculates the Jacobi algorithm. It's written in Objective-C since it runs on a Mac, but the majority is written in standard C. I'm using a two-dimensional C array and an NSArray containing 5 NSTextField labels. The following code yields an EXC_BAD_ACCESS error: for ( int i = 0; i < 5; i++ ) { NSString *resultString = [NSString stringWithFormat:@"%g", matrix[i][i] ]; [[resultLabels objectAtIndex:i] setStringValue:resultString]; // error line } Any help?

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• Good Perlin noise resources/implementation?

  - by Chumpy

  Are there any good resources out there detailing Perlin noise generation? I understand that most languages have noise generating libraries available, but I'm interested in creating my own for fun/experience. I've already looked at this, which seems pretty popular, but it only gives an in-depth explanation of one dimensional noise. Google searches have been relatively unhelpful so far, as most of them focus on applications instead of how to create a generator. Books and/or websites are welcome, even if their focus is not the generation itself so long as it gives a thorough explanation of an implementation, or at least the concepts involved so I can "discover" my own.

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• Understanding OpenGL Matrices

  - by Omega

  I'm starting to learn about 3D rendering and I've been making good progress. I've picked up a lot regarding matrices and the general operations that can be performed on them. One thing I'm still not quite following is OpenGL's use of matrices. I see this (and things like it) quite a lot: x y z n ------- 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 So my best understanding, is that it is a normalized (no magnitude) 4 dimensional, column-major matrix. Also that this matrix in particular is called the "identity matrix". Some questions: What is the "nth" dimension? How and when are these applied? My biggest confusion arises from how OpenGL makes use of this kind of data.

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• shortest path search in a map represented as 2d shapes

  - by joe_shmoe

  Hi, I have a small library of a few shortest path search algorithms. They were developed for simple undirected graphs (the normal representation - vertices and edges). Now I'd like to somehow apply them on a bit different scenario - where the maps are represented as 2-dimensional shapes, connected by shared edges (edges of the polygons, that is). In this scenario, the search can start/end either at a map object or some point (x,y). What would be the best approach? Try to apply the algorithms onto shapes? or try to extract a 'normal' graph out of the shapes (I have preprocessing time available)? Any advice would be much appreciated, as I'm really not sure which way to go, and I don't have enough time (and skill) to explore many options... Thanks a lot

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