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  • CodePlex Daily Summary for Monday, November 26, 2012

    CodePlex Daily Summary for Monday, November 26, 2012Popular ReleasesRedmine Reports: Redmine Reports V 1.0.7: added new sample report added new DateRange feature for report generation (see issue Tracker ID 15372) updated to latest MySql (6.6.4.0)sb0t v.5: sb0t 5.00 alpha 4: First public alpha release. Don't be surprised if it crashes. :)datajs - JavaScript Library for data-centric web applications: datajs version 1.1.0: datajs is a cross-browser and UI agnostic JavaScript library that enables data-centric web applications with the following features: OData client that enables CRUD operations including batching and metadata support using both ATOM and JSON payloads. Single store abstraction that provides a common API on top of HTML5 local storage technologies. Data cache component that allows reading data ranges from a collection and storing them locally to reduce the number of network requests. Changes...VFPX: Code Analyst 1.0.3: Code Analyst 1.0.3 addresses a bug discovered with FoxCodePlus where the initialization code does not properly recognize the location of the folder as well as some of the open issues in the Issue Tracker.Team Foundation Server Administration Tool: 2.2: TFS Administration Tool 2.2 supports the Team Foundation Server 2012 Object Model. Visual Studio 2012 or Team Explorer 2012 must be installed before you can install this tool. You can download and install Team Explorer 2012 from http://aka.ms/TeamExplorer2012. There are no functional changes between the previous release (2.1) and this release.XrmServiceToolkit - A CRM 2011 JavaScript Library: XrmServiceToolkit 1.3.1: Version: 1.3.1 Date: November, 2012 Dependency: JSON2, jQuery (latest or 1.7.2 above) New Feature - A change of logic to increase peroformance when returning large number of records New Function - XrmServiceToolkit.Soap.QueryAll: Return all available records by query options (>5k+) New Fix - XrmServiceToolkit.Rest.RetrieveMultiple not returning records more than 50 New Fix - XrmServiceToolkit.Soap.Business error when refering number fields like (int, double, float) New ...Coding Guidelines for C# 3.0, C# 4.0 and C# 5.0: Coding Guidelines for CSharp 3.0, 4.0 and 5.0: See Change History for a detailed list of modifications.Math.NET Numerics: Math.NET Numerics v2.3.0: Portable Library Build: Adds support for WP8 (.Net 4.0 and higher, SL5, WP8 and .NET for Windows Store apps) New: portable build also for F# extensions (.Net 4.5, SL5 and .NET for Windows Store apps) NuGet: portable builds are now included in the main packages, no more need for special portable packages Linear Algebra: Continued major storage rework, in this release focusing on vectors (previous release was on matrices) Thin QR decomposition (in addition to existing full QR) Static Cr...ExtJS based ASP.NET 2.0 Controls: FineUI v3.2.1: +2012-11-25 v3.2.1 +????????。 -MenuCheckBox?CheckedChanged??????，??????????。 -???????window.IDS??????????????。 -?????（??TabCollection，ControlBaseCollection）???，????????????????。 +Grid??。 -??SelectAllRows??。 -??PageItems??，?????????????，?????、??、?????。 -????grid/gridpageitems.aspx、grid/gridpageitemsrowexpander.aspx、grid/gridpageitems_pagesize.aspx。 -???????????????????。 -??ExpandAllRowExpanders??，?????????????????（grid/gridrowexpanderexpandall2.aspx）。 -??????ExpandRowExpande...VidCoder: 1.4.9 Beta: Updated HandBrake core to SVN 5079. Fixed crashes when encoding DVDs with title gaps.ZXing.Net: ZXing.Net 0.10.0.0: On the way to a release 1.0 the API should be stable now with this version. sync with rev. 2521 of the java version windows phone 8 assemblies improvements and fixesCharmBar: Windows 8 Charm Bar for Windows 7: Windows 8 Charm Bar for Windows 7BlackJumboDog: Ver5.7.3: 2012.11.24 Ver5.7.3 (1)SMTP???????、?????????、??????????????????????? (2)?????????、?????????????????????????? (3)DNS???????CNAME????CNAME????????????????? (4)DNS????????????TTL???????? (5)???????????????????????、?????????????????? (6)???????????????????????????????Liberty: v3.4.3.0 Release 23rd November 2012: Change Log -Added -H4 A dialog which gives further instructions when attempting to open a "Halo 4 Data" file -H4 Added a short note to the weapon editor stating that dropping your weapons will cap their ammo -Reach Edit the world's gravity -Reach Fine invincibility controls in the object editor -Reach Edit object velocity -Reach Change the teams of AI bipeds and vehicles -Reach Enable/disable fall damage on the biped editor screen -Reach Make AIs deaf and/or blind in the objec...Umbraco CMS: Umbraco 4.11.0: NugetNuGet BlogRead the release blog post for 4.11.0. Whats new50 bugfixes (see the issue tracker for a complete list) Read the documentation for the MVC bits. Breaking changesGetPropertyValue now returns an object, not a string (only affects upgrades from 4.10.x to 4.11.0) NoteIf you need Courier use the release candidate (as of build 26). The code editor has been greatly improved, but is sometimes problematic in Internet Explorer 9 and lower. Previously it was just disabled for IE and...Audio Pitch & Shift: Audio Pitch And Shift 5.1.0.3: Fixed supported files list on open dialog (added .pls and .m3u) Impulse Media Player splash message (can be disabled anyway)WiX Toolset: WiX v3.7 RC: WiX v3.7 RC (3.7.1119.0) provides feature complete Bundle update and reference tracking plus several bug fixes. For more information see Rob's blog post about the release: http://robmensching.com/blog/posts/2012/11/20/WiX-v3.7-Release-Candidate-availablePicturethrill: Version 2.11.20.0: Fixed up Bing image provider on Windows 8Excel AddIn to reset the last worksheet cell: XSFormatCleaner.xla: Modified the commandbar code to use CommandBar IDs instead of English names.Json.NET: Json.NET 4.5 Release 11: New feature - Added ITraceWriter, MemoryTraceWriter, DiagnosticsTraceWriter New feature - Added StringEscapeHandling with options to escape HTML and non-ASCII characters New feature - Added non-generic JToken.ToObject methods New feature - Deserialize ISet<T> properties as HashSet<T> New feature - Added implicit conversions for Uri, TimeSpan, Guid New feature - Missing byte, char, Guid, TimeSpan and Uri explicit conversion operators added to JToken New feature - Special case...New ProjectsAirlocker: Airlocker is a lightweight yet effective backup software. Right-click your folder, select "Send To -> Airlocker", and that's all! Next time you do it, only new & changed files will be copied.Architecture Lab: Domain as XML: Domain as XML - Driven Development: Visual Studio Code SamplesBase de datos 2 Farmacia distribuida: This is my summaryBullfrog project 2k11: This project was our entry for the XNA challenge 2011 at Games Fleadh. This is currently being used for a college project.CedarLogic SharePoint Utilities and Extensions: Various utilities, tools, features that provide cross cutting capabilities in support of Windows SharePoint Services 3.0 and Microsoft Office SharePoint Server 2007.Concurrent Extensions Library (CEL): Concurrent Extensions Library (CEL) provides functionality and implementations commonly useful in concurrent programming. CookieChipper - Tasty treats!: Explore your IE cookie cache dispaying forensic information, lock favorite cookies, delete all unlocked, search, manage, enjoy!CqRS Event Sourcing Sample: CqRS SampleCrivo de Erastóteles: Simples programa que devolve à você todos os números primos entre 1 e 1 bilhão em um arquivo de saída chamado "primos.txt" Simply program returns all prime numbers from 1 to 1 bi into a "primos.txt" out file.DonNicky.Common: A set of helpers for everyday coding: extensions for common purpose classes like Type, IEnumerable or Assembly, reflection routines, xml parsing and validation.DotNetDevNet iPhone App: Now you can find out what meetings are being held at DotNetDevNet through your iPhone. Information on the meeting and the speakersEuro for Windows XP: A simple tool and sample to change Estonian currency from Estonian Krone (kr) to Euro (€). Applies to all versions of Windows and from .NET 2.0 which is default build. The sample creates a custom locale and updates existing users through Registry.Floridum: Project for a XML Database.FsSignals: FsSignals is a push reactive library. Fuse8.CMF: Free Content Management System based on Microsoft ASP.NET MVC 3Fuse8.DF.Practicies: Domain Framework Best practicesFuse8.GlobalisationFramework: GlobalizationHatena Netfx Library: .NET Library for Hatena Services.Ideopuzzle: A puzzle gameinohigo: a programming language that was developed by inohiro.jasBetaApplication: Beta place for the JAS-applicationJasmine - Community Management Infrastructure: "Jasmine" is a XML based Community Management Infrastructure.Jupiter Toolkit: Jupiter Toolkit was a temporary name used for WinRT XAML Toolkit. If you clicked a link to get here - replace jupitertoolkit with winrtxamltoolkit in the URL.Kiwi Repo: Il modo più semplice per creare e gestire i tuoi repository cydia su windowsKnak: .NET APIs for CLR Type Mapping and Micro-ORM. Fast and intuitive, convention based, delivered in small C# source files.Micajah Mindtouch Deki Wiki Copier: Small C# application to move data between 2 Deki Wiki installs or, more importantly, from a wik.is account to a locally installed systemmisframework: misframeworkMulyareksa Jayasakti Accounting: Sistem Informasi Akunting Penjualan Jasa PT Mulyareksa Jayasakti SemarangMutualGuaranteeOnlineServices: MutualGuaranteeOnlineServicesMySQL PowerShell Extensions: MySQL PowerShell Extensions Provides a set of PowerShell Cmdlets to manipulate remote or local MySQL Database Server.Old Book Transaction: Website trao d?i sách cu.OneFineDay: ???Paymill Wrapper .NET: Paymill Wrapper. NET is an API for easy integration for recurring billings and payments online through the product https://www.paymill.comPoliceHealth: Police Health SystemRbac_Eshoping: Rbac Std ProjectRhombus: Rhombus is a suite of applications to make it easier for small software teams to document what they and others are doing with a minimum of effort. It is developed on the .NET 4.0 framework, primarily in C# and ASP.NET.Rollout Sharepoint Solutions - ROSS: ROSS performs the following actions: - Delete sitecollection and restart services - 'Get Latest Version' from SourceSafe - Rebuild Solution - Install all wsp solutions - Create SiteCollections - Check for build en provisioning errors - Send email to developers if errors occurredRooBooks: RooBooks - Books management tool for students and such. (circa 2004)SEI_Parkour: “Project ParkOUR” is the codename for the product being developed by members of the Software Engineering Incorporated team.Simple Memory: A simple Memory. You can define the dimension x*y. Also there are two playing modes possible. - Pairs with the same cards (classical memory) - Pairs with different cards (find the same meaning)Simples: A dot-net-a-ma-bob eco-system designed to be 'simples' to use.Slatebox.js: Real-time mind-mapping and concept drawing.Sychevs: ?????????? ?????Tambourine.NUnit: Provides pivot report creating from NUnit combinatorial test result xml files. Also supports viewing of pivot data and its exporting to xlsx.TheAssassin's OpenSource Software: Open source software for everyone's use. Mostly written in Python 3 (3.2, 3.3).Titan: a lightweight object-relational mapping framework TT: Awesome TT appUkázkové projekty: Obsahuje ukázkové projekty uživatele TenCoKaciStromy.Unified Cloud API: This API aims to provide a single interface for different cloud-based services and their corresponding providers.VolgaTransTelecomClient: VolgaTransTelecomClient makes it easier for clients of "Volga TransTelecom" company to get info about account. It's developed in C#.Windows Phone Shortcuts: This a windows phone app project. Shortcuts for Bluetooth, Wi-Fi, Cellular, Airplane Mode from the Start Screen.WPFResumeVideo: Play video on any computer, and resume where you left offWyvern's Depot: Personal code repository.?????????: ??????????，???。

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  • Creating a thematic map

    - by jsharma
    This post describes how to create a simple thematic map, just a state population layer, with no underlying map tile layer. The map shows states color-coded by total population. The map is interactive with info-windows and can be panned and zoomed. The sample code demonstrates the following: Displaying an interactive vector layer with no background map tile layer (i.e. purpose and use of the Universe object) Using a dynamic (i.e. defined via the javascript client API) color bucket style Dynamically changing a layer's rendering style Specifying which attribute value to use in determining the bucket, and hence style, for a feature (FoI) The result is shown in the screenshot below. The states layer was defined, and stored in the user_sdo_themes view of the mvdemo schema, using MapBuilder. The underlying table is defined as SQL> desc states_32775  Name                                      Null?    Type ----------------------------------------- -------- ----------------------------  STATE                                              VARCHAR2(26)  STATE_ABRV                                         VARCHAR2(2) FIPSST                                             VARCHAR2(2) TOTPOP                                             NUMBER PCTSMPLD                                           NUMBER LANDSQMI                                           NUMBER POPPSQMI                                           NUMBER ... MEDHHINC NUMBER AVGHHINC NUMBER GEOM32775 MDSYS.SDO_GEOMETRY We'll use the TOTPOP column value in the advanced (color bucket) style for rendering the states layers. The predefined theme (US_STATES_BI) is defined as follows. SQL> select styling_rules from user_sdo_themes where name='US_STATES_BI'; STYLING_RULES -------------------------------------------------------------------------------- <?xml version="1.0" standalone="yes"?> <styling_rules highlight_style="C.CB_QUAL_8_CLASS_DARK2_1"> <hidden_info> <field column="STATE" name="Name"/> <field column="POPPSQMI" name="POPPSQMI"/> <field column="TOTPOP" name="TOTPOP"/> </hidden_info> <rule column="TOTPOP"> <features style="states_totpop"> </features> <label column="STATE_ABRV" style="T.BLUE_SERIF_10"> 1 </label> </rule> </styling_rules> SQL> The theme definition specifies that the state, poppsqmi, totpop, state_abrv, and geom columns will be queried from the states_32775 table. The state_abrv value will be used to label the state while the totpop value will be used to determine the color-fill from those defined in the states_totpop advanced style. The states_totpop style, which we will not use in our demo, is defined as shown below. SQL> select definition from user_sdo_styles where name='STATES_TOTPOP'; DEFINITION -------------------------------------------------------------------------------- <?xml version="1.0" ?> <AdvancedStyle> <BucketStyle> <Buckets default_style="C.S02_COUNTRY_AREA"> <RangedBucket seq="0" label="10K - 5M" low="10000" high="5000000" style="C.SEQ6_01" /> <RangedBucket seq="1" label="5M - 12M" low="5000001" high="1.2E7" style="C.SEQ6_02" /> <RangedBucket seq="2" label="12M - 20M" low="1.2000001E7" high="2.0E7" style="C.SEQ6_04" /> <RangedBucket seq="3" label="&gt; 20M" low="2.0000001E7" high="5.0E7" style="C.SEQ6_05" /> </Buckets> </BucketStyle> </AdvancedStyle> SQL> The demo defines additional advanced styles via the OM.style object and methods and uses those instead when rendering the states layer.   Now let's look at relevant snippets of code that defines the map extent and zoom levels (i.e. the OM.universe),  loads the states predefined vector layer (OM.layer), and sets up the advanced (color bucket) style. Defining the map extent and zoom levels. function initMap() {   //alert("Initialize map view");     // define the map extent and number of zoom levels.   // The Universe object is similar to the map tile layer configuration   // It defines the map extent, number of zoom levels, and spatial reference system   // well-known ones (like web mercator/google/bing or maps.oracle/elocation are predefined   // The Universe must be defined when there is no underlying map tile layer.   // When there is a map tile layer then that defines the map extent, srid, and zoom levels.      var uni= new OM.universe.Universe(     {         srid : 32775,         bounds : new OM.geometry.Rectangle(                         -3280000, 170000, 2300000, 3200000, 32775),         numberOfZoomLevels: 8     }); The srid specifies the spatial reference system which is Equal-Area Projection (United States). SQL> select cs_name from cs_srs where srid=32775 ; CS_NAME --------------------------------------------------- Equal-Area Projection (United States) The bounds defines the map extent. It is a Rectangle defined using the lower-left and upper-right coordinates and srid. Loading and displaying the states layer This is done in the states() function. The full code is at the end of this post, however here's the snippet which defines the states VectorLayer.     // States is a predefined layer in user_sdo_themes     var  layer2 = new OM.layer.VectorLayer("vLayer2",     {         def:         {             type:OM.layer.VectorLayer.TYPE_PREDEFINED,             dataSource:"mvdemo",             theme:"us_states_bi",             url: baseURL,             loadOnDemand: false         },         boundingTheme:true      }); The first parameter is a layer name, the second is an object literal for a layer config. The config object has two attributes: the first is the layer definition, the second specifies whether the layer is a bounding one (i.e. used to determine the current map zoom and center such that the whole layer is displayed within the map window) or not. The layer config has the following attributes: type - specifies whether is a predefined one, a defined via a SQL query (JDBC), or in a json-format file (DATAPACK) theme - is the predefined theme's name url - is the location of the mapviewer server loadOnDemand - specifies whether to load all the features or just those that lie within the current map window and load additional ones as needed on a pan or zoom The code snippet below dynamically defines an advanced style and then uses it, instead of the 'states_totpop' style, when rendering the states layer. // override predefined rendering style with programmatic one    var theRenderingStyle =      createBucketColorStyle('YlBr5', colorSeries, 'States5', true);   // specify which attribute is used in determining the bucket (i.e. color) to use for the state   // It can be an array because the style could be a chart type (pie/bar)   // which requires multiple attribute columns     // Use the STATE.TOTPOP column (aka attribute) value here    layer2.setRenderingStyle(theRenderingStyle, ["TOTPOP"]); The style itself is defined in the createBucketColorStyle() function. Dynamically defining an advanced style The advanced style used here is a bucket color style, i.e. a color style is associated with each bucket. So first we define the colors and then the buckets.     numClasses = colorSeries[colorName].classes;    // create Color Styles    for (var i=0; i < numClasses; i++)    {         theStyles[i] = new OM.style.Color(                      {fill: colorSeries[colorName].fill[i],                        stroke:colorSeries[colorName].stroke[i],                       strokeOpacity: useGradient? 0.25 : 1                      });    }; numClasses is the number of buckets. The colorSeries array contains the color fill and stroke definitions and is: var colorSeries = { //multi-hue color scheme #10 YlBl. "YlBl3": {   classes:3,                  fill: [0xEDF8B1, 0x7FCDBB, 0x2C7FB8],                  stroke:[0xB5DF9F, 0x72B8A8, 0x2872A6]   }, "YlBl5": {   classes:5,                  fill:[0xFFFFCC, 0xA1DAB4, 0x41B6C4, 0x2C7FB8, 0x253494],                  stroke:[0xE6E6B8, 0x91BCA2, 0x3AA4B0, 0x2872A6, 0x212F85]   }, //multi-hue color scheme #11 YlBr.  "YlBr3": {classes:3,                  fill:[0xFFF7BC, 0xFEC44F, 0xD95F0E],                  stroke:[0xE6DEA9, 0xE5B047, 0xC5360D]   }, "YlBr5": {classes:5,                  fill:[0xFFFFD4, 0xFED98E, 0xFE9929, 0xD95F0E, 0x993404],                  stroke:[0xE6E6BF, 0xE5C380, 0xE58A25, 0xC35663, 0x8A2F04]     }, etc. Next we create the bucket style.    bucketStyleDef = {       numClasses : colorSeries[colorName].classes, //      classification: 'custom',  //since we are supplying all the buckets //      buckets: theBuckets,       classification: 'logarithmic',  // use a logarithmic scale       styles: theStyles,       gradient:  useGradient? 'linear' : 'off' //      gradient:  useGradient? 'radial' : 'off'     };    theBucketStyle = new OM.style.BucketStyle(bucketStyleDef);    return theBucketStyle; A BucketStyle constructor takes a style definition as input. The style definition specifies the number of buckets (numClasses), a classification scheme (which can be equal-ranged, logarithmic scale, or custom), the styles for each bucket, whether to use a gradient effect, and optionally the buckets (required when using a custom classification scheme). The full source for the demo <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Oracle Maps V2 Thematic Map Demo</title> <script src="http://localhost:8080/mapviewer/jslib/v2/oraclemapsv2.js" type="text/javascript"> </script> <script type="text/javascript"> //var $j = jQuery.noConflict(); var baseURL="http://localhost:8080/mapviewer"; // location of mapviewer OM.gv.proxyEnabled =false; // no mvproxy needed OM.gv.setResourcePath(baseURL+"/jslib/v2/images/"); // location of resources for UI elements like nav panel buttons var map = null; // the client mapviewer object var statesLayer = null, stateCountyLayer = null; // The vector layers for states and counties in a state var layerName="States"; // initial map center and zoom var mapCenterLon = -20000; var mapCenterLat = 1750000; var mapZoom = 2; var mpoint = new OM.geometry.Point(mapCenterLon,mapCenterLat,32775); var currentPalette = null, currentStyle=null; // set an onchange listener for the color palette select list // initialize the map // load and display the states layer $(document).ready( function() { $("#demo-htmlselect").change(function() { var theColorScheme = $(this).val(); useSelectedColorScheme(theColorScheme); }); initMap(); states(); } ); /** * color series from ColorBrewer site (http://colorbrewer2.org/). */ var colorSeries = { //multi-hue color scheme #10 YlBl. "YlBl3": { classes:3, fill: [0xEDF8B1, 0x7FCDBB, 0x2C7FB8], stroke:[0xB5DF9F, 0x72B8A8, 0x2872A6] }, "YlBl5": { classes:5, fill:[0xFFFFCC, 0xA1DAB4, 0x41B6C4, 0x2C7FB8, 0x253494], stroke:[0xE6E6B8, 0x91BCA2, 0x3AA4B0, 0x2872A6, 0x212F85] }, //multi-hue color scheme #11 YlBr. "YlBr3": {classes:3, fill:[0xFFF7BC, 0xFEC44F, 0xD95F0E], stroke:[0xE6DEA9, 0xE5B047, 0xC5360D] }, "YlBr5": {classes:5, fill:[0xFFFFD4, 0xFED98E, 0xFE9929, 0xD95F0E, 0x993404], stroke:[0xE6E6BF, 0xE5C380, 0xE58A25, 0xC35663, 0x8A2F04] }, // single-hue color schemes (blues, greens, greys, oranges, reds, purples) "Purples5": {classes:5, fill:[0xf2f0f7, 0xcbc9e2, 0x9e9ac8, 0x756bb1, 0x54278f], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] }, "Blues5": {classes:5, fill:[0xEFF3FF, 0xbdd7e7, 0x68aed6, 0x3182bd, 0x18519C], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] }, "Greens5": {classes:5, fill:[0xedf8e9, 0xbae4b3, 0x74c476, 0x31a354, 0x116d2c], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] }, "Greys5": {classes:5, fill:[0xf7f7f7, 0xcccccc, 0x969696, 0x636363, 0x454545], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] }, "Oranges5": {classes:5, fill:[0xfeedde, 0xfdb385, 0xfd8d3c, 0xe6550d, 0xa63603], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] }, "Reds5": {classes:5, fill:[0xfee5d9, 0xfcae91, 0xfb6a4a, 0xde2d26, 0xa50f15], stroke:[0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3, 0xd3d3d3] } }; function createBucketColorStyle( colorName, colorSeries, rangeName, useGradient) { var theBucketStyle; var bucketStyleDef; var theStyles = []; var theColors = []; var aBucket, aStyle, aColor, aRange; var numClasses ; numClasses = colorSeries[colorName].classes; // create Color Styles for (var i=0; i < numClasses; i++) { theStyles[i] = new OM.style.Color( {fill: colorSeries[colorName].fill[i], stroke:colorSeries[colorName].stroke[i], strokeOpacity: useGradient? 0.25 : 1 }); }; bucketStyleDef = { numClasses : colorSeries[colorName].classes, // classification: 'custom', //since we are supplying all the buckets // buckets: theBuckets, classification: 'logarithmic', // use a logarithmic scale styles: theStyles, gradient: useGradient? 'linear' : 'off' // gradient: useGradient? 'radial' : 'off' }; theBucketStyle = new OM.style.BucketStyle(bucketStyleDef); return theBucketStyle; } function initMap() { //alert("Initialize map view"); // define the map extent and number of zoom levels. // The Universe object is similar to the map tile layer configuration // It defines the map extent, number of zoom levels, and spatial reference system // well-known ones (like web mercator/google/bing or maps.oracle/elocation are predefined // The Universe must be defined when there is no underlying map tile layer. // When there is a map tile layer then that defines the map extent, srid, and zoom levels. var uni= new OM.universe.Universe( { srid : 32775, bounds : new OM.geometry.Rectangle( -3280000, 170000, 2300000, 3200000, 32775), numberOfZoomLevels: 8 }); map = new OM.Map( document.getElementById('map'), { mapviewerURL: baseURL, universe:uni }) ; var navigationPanelBar = new OM.control.NavigationPanelBar(); map.addMapDecoration(navigationPanelBar); } // end initMap function states() { //alert("Load and display states"); layerName = "States"; if(statesLayer) { // states were already visible but the style may have changed // so set the style to the currently selected one var theData = $('#demo-htmlselect').val(); setStyle(theData); } else { // States is a predefined layer in user_sdo_themes var layer2 = new OM.layer.VectorLayer("vLayer2", { def: { type:OM.layer.VectorLayer.TYPE_PREDEFINED, dataSource:"mvdemo", theme:"us_states_bi", url: baseURL, loadOnDemand: false }, boundingTheme:true }); // add drop shadow effect and hover style var shadowFilter = new OM.visualfilter.DropShadow({opacity:0.5, color:"#000000", offset:6, radius:10}); var hoverStyle = new OM.style.Color( {stroke:"#838383", strokeThickness:2}); layer2.setHoverStyle(hoverStyle); layer2.setHoverVisualFilter(shadowFilter); layer2.enableFeatureHover(true); layer2.enableFeatureSelection(false); layer2.setLabelsVisible(true); // override predefined rendering style with programmatic one var theRenderingStyle = createBucketColorStyle('YlBr5', colorSeries, 'States5', true); // specify which attribute is used in determining the bucket (i.e. color) to use for the state // It can be an array because the style could be a chart type (pie/bar) // which requires multiple attribute columns // Use the STATE.TOTPOP column (aka attribute) value here layer2.setRenderingStyle(theRenderingStyle, ["TOTPOP"]); currentPalette = "YlBr5"; var stLayerIdx = map.addLayer(layer2); //alert('State Layer Idx = ' + stLayerIdx); map.setMapCenter(mpoint); map.setMapZoomLevel(mapZoom) ; // display the map map.init() ; statesLayer=layer2; // add rt-click event listener to show counties for the state layer2.addListener(OM.event.MouseEvent.MOUSE_RIGHT_CLICK,stateRtClick); } // end if } // end states function setStyle(styleName) { // alert("Selected Style = " + styleName); // there may be a counties layer also displayed. // that wll have different bucket ranges so create // one style for states and one for counties var newRenderingStyle = null; if (layerName === "States") { if(/3/.test(styleName)) { newRenderingStyle = createBucketColorStyle(styleName, colorSeries, 'States3', false); currentStyle = createBucketColorStyle(styleName, colorSeries, 'Counties3', false); } else { newRenderingStyle = createBucketColorStyle(styleName, colorSeries, 'States5', false); currentStyle = createBucketColorStyle(styleName, colorSeries, 'Counties5', false); } statesLayer.setRenderingStyle(newRenderingStyle, ["TOTPOP"]); if (stateCountyLayer) stateCountyLayer.setRenderingStyle(currentStyle, ["TOTPOP"]); } } // end setStyle function stateRtClick(evt){ var foi = evt.feature; //alert('Rt-Click on State: ' + foi.attributes['_label_'] + // ' with pop ' + foi.attributes['TOTPOP']); // display another layer with counties info // layer may change on each rt-click so create and add each time. var countyByState = null ; // the _label_ attribute of a feature in this case is the state abbreviation // we will use that to query and get the counties for a state var sqlText = "select totpop,geom32775 from counties_32775_moved where state_abrv="+ "'"+foi.getAttributeValue('_label_')+"'"; // alert(sqlText); if (currentStyle === null) currentStyle = createBucketColorStyle('YlBr5', colorSeries, 'Counties5', false); /* try a simple style instead new OM.style.ColorStyle( { stroke: "#B8F4FF", fill: "#18E5F4", fillOpacity:0 } ); */ // remove existing layer if any if(stateCountyLayer) map.removeLayer(stateCountyLayer); countyByState = new OM.layer.VectorLayer("stCountyLayer", {def:{type:OM.layer.VectorLayer.TYPE_JDBC, dataSource:"mvdemo", sql:sqlText, url:baseURL}}); // url:baseURL}, // renderingStyle:currentStyle}); countyByState.setVisible(true); // specify which attribute is used in determining the bucket (i.e. color) to use for the state countyByState.setRenderingStyle(currentStyle, ["TOTPOP"]); var ctLayerIdx = map.addLayer(countyByState); // alert('County Layer Idx = ' + ctLayerIdx); //map.addLayer(countyByState); stateCountyLayer = countyByState; } // end stateRtClick function useSelectedColorScheme(theColorScheme) { if(map) { // code to update renderStyle goes here //alert('will try to change render style'); setStyle(theColorScheme); } else { // do nothing } } </script> </head> <body bgcolor="#b4c5cc" style="height:100%;font-family:Arial,Helvetica,Verdana"> <h3 align="center">State population thematic map </h3> <div id="demo" style="position:absolute; left:68%; top:44px; width:28%; height:100%"> <HR/> <p/> Choose Color Scheme: <select id="demo-htmlselect"> <option value="YlBl3"> YellowBlue3</option> <option value="YlBr3"> YellowBrown3</option> <option value="YlBl5"> YellowBlue5</option> <option value="YlBr5" selected="selected"> YellowBrown5</option> <option value="Blues5"> Blues</option> <option value="Greens5"> Greens</option> <option value="Greys5"> Greys</option> <option value="Oranges5"> Oranges</option> <option value="Purples5"> Purples</option> <option value="Reds5"> Reds</option> </select> <p/> </div> <div id="map" style="position:absolute; left:10px; top:50px; width:65%; height:75%; background-color:#778f99"></div> <div style="position:absolute;top:85%; left:10px;width:98%" class="noprint"> <HR/> <p> Note: This demo uses HTML5 Canvas and requires IE9+, Firefox 10+, or Chrome. No map will show up in IE8 or earlier. </p> </div> </body> </html>

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  • 3D Graphics with XNA Game Studio 4.0 bug in light map?

    - by Eibis
    i'm following the tutorials on 3D Graphics with XNA Game Studio 4.0 and I came up with an horrible effect when I tried to implement the Light Map http://i.stack.imgur.com/BUWvU.jpg this effect shows up when I look towards the center of the house (and it moves with me). it has this shape because I'm using a sphere to represent light; using other light shapes gives different results. I'm using a class PreLightingRenderer: using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; using Dhpoware; using Microsoft.Xna.Framework.Content; namespace XNAFirstPersonCamera { public class PrelightingRenderer { // Normal, depth, and light map render targets RenderTarget2D depthTarg; RenderTarget2D normalTarg; RenderTarget2D lightTarg; // Depth/normal effect and light mapping effect Effect depthNormalEffect; Effect lightingEffect; // Point light (sphere) mesh Model lightMesh; // List of models, lights, and the camera public List<CModel> Models { get; set; } public List<PPPointLight> Lights { get; set; } public FirstPersonCamera Camera { get; set; } GraphicsDevice graphicsDevice; int viewWidth = 0, viewHeight = 0; public PrelightingRenderer(GraphicsDevice GraphicsDevice, ContentManager Content) { viewWidth = GraphicsDevice.Viewport.Width; viewHeight = GraphicsDevice.Viewport.Height; // Create the three render targets depthTarg = new RenderTarget2D(GraphicsDevice, viewWidth, viewHeight, false, SurfaceFormat.Single, DepthFormat.Depth24); normalTarg = new RenderTarget2D(GraphicsDevice, viewWidth, viewHeight, false, SurfaceFormat.Color, DepthFormat.Depth24); lightTarg = new RenderTarget2D(GraphicsDevice, viewWidth, viewHeight, false, SurfaceFormat.Color, DepthFormat.Depth24); // Load effects depthNormalEffect = Content.Load<Effect>(@"Effects\PPDepthNormal"); lightingEffect = Content.Load<Effect>(@"Effects\PPLight"); // Set effect parameters to light mapping effect lightingEffect.Parameters["viewportWidth"].SetValue(viewWidth); lightingEffect.Parameters["viewportHeight"].SetValue(viewHeight); // Load point light mesh and set light mapping effect to it lightMesh = Content.Load<Model>(@"Models\PPLightMesh"); lightMesh.Meshes[0].MeshParts[0].Effect = lightingEffect; this.graphicsDevice = GraphicsDevice; } public void Draw() { drawDepthNormalMap(); drawLightMap(); prepareMainPass(); } void drawDepthNormalMap() { // Set the render targets to 'slots' 1 and 2 graphicsDevice.SetRenderTargets(normalTarg, depthTarg); // Clear the render target to 1 (infinite depth) graphicsDevice.Clear(Color.White); // Draw each model with the PPDepthNormal effect foreach (CModel model in Models) { model.CacheEffects(); model.SetModelEffect(depthNormalEffect, false); model.Draw(Camera.ViewMatrix, Camera.ProjectionMatrix, Camera.Position); model.RestoreEffects(); } // Un-set the render targets graphicsDevice.SetRenderTargets(null); } void drawLightMap() { // Set the depth and normal map info to the effect lightingEffect.Parameters["DepthTexture"].SetValue(depthTarg); lightingEffect.Parameters["NormalTexture"].SetValue(normalTarg); // Calculate the view * projection matrix Matrix viewProjection = Camera.ViewMatrix * Camera.ProjectionMatrix; // Set the inverse of the view * projection matrix to the effect Matrix invViewProjection = Matrix.Invert(viewProjection); lightingEffect.Parameters["InvViewProjection"].SetValue(invViewProjection); // Set the render target to the graphics device graphicsDevice.SetRenderTarget(lightTarg); // Clear the render target to black (no light) graphicsDevice.Clear(Color.Black); // Set render states to additive (lights will add their influences) graphicsDevice.BlendState = BlendState.Additive; graphicsDevice.DepthStencilState = DepthStencilState.None; foreach (PPPointLight light in Lights) { // Set the light's parameters to the effect light.SetEffectParameters(lightingEffect); // Calculate the world * view * projection matrix and set it to // the effect Matrix wvp = (Matrix.CreateScale(light.Attenuation) * Matrix.CreateTranslation(light.Position)) * viewProjection; lightingEffect.Parameters["WorldViewProjection"].SetValue(wvp); // Determine the distance between the light and camera float dist = Vector3.Distance(Camera.Position, light.Position); // If the camera is inside the light-sphere, invert the cull mode // to draw the inside of the sphere instead of the outside if (dist < light.Attenuation) graphicsDevice.RasterizerState = RasterizerState.CullClockwise; // Draw the point-light-sphere lightMesh.Meshes[0].Draw(); // Revert the cull mode graphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise; } // Revert the blending and depth render states graphicsDevice.BlendState = BlendState.Opaque; graphicsDevice.DepthStencilState = DepthStencilState.Default; // Un-set the render target graphicsDevice.SetRenderTarget(null); } void prepareMainPass() { foreach (CModel model in Models) foreach (ModelMesh mesh in model.Model.Meshes) foreach (ModelMeshPart part in mesh.MeshParts) { // Set the light map and viewport parameters to each model's effect if (part.Effect.Parameters["LightTexture"] != null) part.Effect.Parameters["LightTexture"].SetValue(lightTarg); if (part.Effect.Parameters["viewportWidth"] != null) part.Effect.Parameters["viewportWidth"].SetValue(viewWidth); if (part.Effect.Parameters["viewportHeight"] != null) part.Effect.Parameters["viewportHeight"].SetValue(viewHeight); } } } } that uses three effect: PPDepthNormal.fx float4x4 World; float4x4 View; float4x4 Projection; struct VertexShaderInput { float4 Position : POSITION0; float3 Normal : NORMAL0; }; struct VertexShaderOutput { float4 Position : POSITION0; float2 Depth : TEXCOORD0; float3 Normal : TEXCOORD1; }; VertexShaderOutput VertexShaderFunction(VertexShaderInput input) { VertexShaderOutput output; float4x4 viewProjection = mul(View, Projection); float4x4 worldViewProjection = mul(World, viewProjection); output.Position = mul(input.Position, worldViewProjection); output.Normal = mul(input.Normal, World); // Position's z and w components correspond to the distance // from camera and distance of the far plane respectively output.Depth.xy = output.Position.zw; return output; } // We render to two targets simultaneously, so we can't // simply return a float4 from the pixel shader struct PixelShaderOutput { float4 Normal : COLOR0; float4 Depth : COLOR1; }; PixelShaderOutput PixelShaderFunction(VertexShaderOutput input) { PixelShaderOutput output; // Depth is stored as distance from camera / far plane distance // to get value between 0 and 1 output.Depth = input.Depth.x / input.Depth.y; // Normal map simply stores X, Y and Z components of normal // shifted from (-1 to 1) range to (0 to 1) range output.Normal.xyz = (normalize(input.Normal).xyz / 2) + .5; // Other components must be initialized to compile output.Depth.a = 1; output.Normal.a = 1; return output; } technique Technique1 { pass Pass1 { VertexShader = compile vs_1_1 VertexShaderFunction(); PixelShader = compile ps_2_0 PixelShaderFunction(); } } PPLight.fx float4x4 WorldViewProjection; float4x4 InvViewProjection; texture2D DepthTexture; texture2D NormalTexture; sampler2D depthSampler = sampler_state { texture = ; minfilter = point; magfilter = point; mipfilter = point; }; sampler2D normalSampler = sampler_state { texture = ; minfilter = point; magfilter = point; mipfilter = point; }; float3 LightColor; float3 LightPosition; float LightAttenuation; // Include shared functions #include "PPShared.vsi" struct VertexShaderInput { float4 Position : POSITION0; }; struct VertexShaderOutput { float4 Position : POSITION0; float4 LightPosition : TEXCOORD0; }; VertexShaderOutput VertexShaderFunction(VertexShaderInput input) { VertexShaderOutput output; output.Position = mul(input.Position, WorldViewProjection); output.LightPosition = output.Position; return output; } float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0 { // Find the pixel coordinates of the input position in the depth // and normal textures float2 texCoord = postProjToScreen(input.LightPosition) + halfPixel(); // Extract the depth for this pixel from the depth map float4 depth = tex2D(depthSampler, texCoord); // Recreate the position with the UV coordinates and depth value float4 position; position.x = texCoord.x * 2 - 1; position.y = (1 - texCoord.y) * 2 - 1; position.z = depth.r; position.w = 1.0f; // Transform position from screen space to world space position = mul(position, InvViewProjection); position.xyz /= position.w; // Extract the normal from the normal map and move from // 0 to 1 range to -1 to 1 range float4 normal = (tex2D(normalSampler, texCoord) - .5) * 2; // Perform the lighting calculations for a point light float3 lightDirection = normalize(LightPosition - position); float lighting = clamp(dot(normal, lightDirection), 0, 1); // Attenuate the light to simulate a point light float d = distance(LightPosition, position); float att = 1 - pow(d / LightAttenuation, 6); return float4(LightColor * lighting * att, 1); } technique Technique1 { pass Pass1 { VertexShader = compile vs_1_1 VertexShaderFunction(); PixelShader = compile ps_2_0 PixelShaderFunction(); } } PPShared.vsi has some common functions: float viewportWidth; float viewportHeight; // Calculate the 2D screen position of a 3D position float2 postProjToScreen(float4 position) { float2 screenPos = position.xy / position.w; return 0.5f * (float2(screenPos.x, -screenPos.y) + 1); } // Calculate the size of one half of a pixel, to convert // between texels and pixels float2 halfPixel() { return 0.5f / float2(viewportWidth, viewportHeight); } and finally from the Game class I set up in LoadContent with: effect = Content.Load(@"Effects\PPModel"); models[0] = new CModel(Content.Load(@"Models\teapot"), new Vector3(-50, 80, 0), new Vector3(0, 0, 0), 1f, Content.Load(@"Textures\prova_texture_autocad"), GraphicsDevice); house = new CModel(Content.Load(@"Models\house"), new Vector3(0, 0, 0), new Vector3((float)-Math.PI / 2, 0, 0), 35.0f, Content.Load(@"Textures\prova_texture_autocad"), GraphicsDevice); models[0].SetModelEffect(effect, true); house.SetModelEffect(effect, true); renderer = new PrelightingRenderer(GraphicsDevice, Content); renderer.Models = new List(); renderer.Models.Add(house); renderer.Models.Add(models[0]); renderer.Lights = new List() { new PPPointLight(new Vector3(0, 120, 0), Color.White * .85f, 2000) }; where PPModel.fx is: float4x4 World; float4x4 View; float4x4 Projection; texture2D BasicTexture; sampler2D basicTextureSampler = sampler_state { texture = ; addressU = wrap; addressV = wrap; minfilter = anisotropic; magfilter = anisotropic; mipfilter = linear; }; bool TextureEnabled = true; texture2D LightTexture; sampler2D lightSampler = sampler_state { texture = ; minfilter = point; magfilter = point; mipfilter = point; }; float3 AmbientColor = float3(0.15, 0.15, 0.15); float3 DiffuseColor; #include "PPShared.vsi" struct VertexShaderInput { float4 Position : POSITION0; float2 UV : TEXCOORD0; }; struct VertexShaderOutput { float4 Position : POSITION0; float2 UV : TEXCOORD0; float4 PositionCopy : TEXCOORD1; }; VertexShaderOutput VertexShaderFunction(VertexShaderInput input) { VertexShaderOutput output; float4x4 worldViewProjection = mul(World, mul(View, Projection)); output.Position = mul(input.Position, worldViewProjection); output.PositionCopy = output.Position; output.UV = input.UV; return output; } float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0 { // Sample model's texture float3 basicTexture = tex2D(basicTextureSampler, input.UV); if (!TextureEnabled) basicTexture = float4(1, 1, 1, 1); // Extract lighting value from light map float2 texCoord = postProjToScreen(input.PositionCopy) + halfPixel(); float3 light = tex2D(lightSampler, texCoord); light += AmbientColor; return float4(basicTexture * DiffuseColor * light, 1); } technique Technique1 { pass Pass1 { VertexShader = compile vs_1_1 VertexShaderFunction(); PixelShader = compile ps_2_0 PixelShaderFunction(); } } I don't have any idea on what's wrong... googling the web I found that this tutorial may have some bug but I don't know if it's the LightModel fault (the sphere) or in a shader or in the class PrelightingRenderer. Any help is very appreciated, thank you for reading!

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  • Throttling Cache Events

    - by dxfelcey
    The real-time eventing feature in Coherence is great for relaying state changes to other systems or to users. However, sometimes not all changes need to or can be sent to consumers. For instance; If rapid changes cannot be consumed or interpreted as fast as they are being sent. A user looking at changing Stock prices may only be able to interpret and react to 1 change per second. A client may be using low bandwidth connection, so rapidly sending events will only result in them being queued and delayed A large number of clients may need to be notified of state changes and sending 100 events p/s to 1000 clients cannot be supported with the available hardware, but 10 events p/s to 1000 clients can. Note this example assumes that many of the state changes are to the same value. One simple approach to throttling Coherence cache events is to use a cache store to capture changes to one cache (data cache) and insert those changes periodically in another cache (events cache). Consumers interested in state changes to entires in the first cache register an interest (event listener) against the second event cache. By using the cache store write-behind feature rapid updates to the same cache entry are coalesced so that updates are merged and written at the interval configured to the event cache. The time interval at which changes are written to the events cache can easily be configured using the write-behind delay time in the cache configuration, as shown below.   <caching-schemes>     <distributed-scheme>       <scheme-name>CustomDistributedCacheScheme</scheme-name>       <service-name>CustomDistributedCacheService</service-name>       <thread-count>1</thread-count>       <backing-map-scheme>         <read-write-backing-map-scheme>           <scheme-name>CustomRWBackingMapScheme</scheme-name>           <internal-cache-scheme>             <local-scheme />           </internal-cache-scheme>           <cachestore-scheme>             <class-scheme>               <scheme-name>CustomCacheStoreScheme</scheme-name>               <class-name>com.oracle.coherence.test.CustomCacheStore</class-name>               <init-params>                 <init-param>                   <param-type>java.lang.String</param-type>                   <param-value>{cache-name}</param-value>                 </init-param>                 <init-param>                   <param-type>java.lang.String</param-type>                   <!-- The name of the cache to write events to -->                   <param-value>cqc-test</param-value>                 </init-param>               </init-params>             </class-scheme>           </cachestore-scheme>           <write-delay>1s</write-delay>           <write-batch-factor>0</write-batch-factor>         </read-write-backing-map-scheme>       </backing-map-scheme>       <autostart>true</autostart>     </distributed-scheme>   </caching-schemes> The cache store implementation to perform this throttling is trivial and only involves overriding the basic cache store functions. public class CustomCacheStore implements CacheStore { private String publishingCacheName; private String sourceCacheName; public CustomCacheStore(String sourceCacheStore, String publishingCacheName) { this.publishingCacheName = publishingCacheName; this.sourceCacheName = sourceCacheName; } @Override public Object load(Object key) { return null; } @Override public Map loadAll(Collection keyCollection) { return null; } @Override public void erase(Object key) { if (sourceCacheName != publishingCacheName) { CacheFactory.getCache(publishingCacheName).remove(key); CacheFactory.log("Erasing entry: " + key, CacheFactory.LOG_DEBUG); } } @Override public void eraseAll(Collection keyCollection) { if (sourceCacheName != publishingCacheName) { for (Object key : keyCollection) { CacheFactory.getCache(publishingCacheName).remove(key); CacheFactory.log("Erasing collection entry: " + key, CacheFactory.LOG_DEBUG); } } } @Override public void store(Object key, Object value) { if (sourceCacheName != publishingCacheName) { CacheFactory.getCache(publishingCacheName).put(key, value); CacheFactory.log("Storing entry (key=value): " + key + "=" + value, CacheFactory.LOG_DEBUG); } } @Override public void storeAll(Map entryMap) { if (sourceCacheName != publishingCacheName) { CacheFactory.getCache(publishingCacheName).putAll(entryMap); CacheFactory.log("Storing entries: " + entryMap, CacheFactory.LOG_DEBUG); } } }  As you can see each cache store operation on the data cache results in a similar operation on event cache. This is a very simple pattern which has a lot of additional possibilities, but it also has a few drawbacks you should be aware of: This event throttling implementation will use additional memory as a duplicate copy of entries held in the data cache need to be held in the events cache too - 2 if the event cache has backups A data cache may already use a cache store, so a "multiplexing cache store pattern" must also be used to send changes to the existing and throttling cache store.  If you would like to try out this throttling example you can download it here. I hope its useful and let me know if you spot any further optimizations.

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  • Unhandled Exception: C# RESTful Webservice

    - by Debby
    Hi, I am trying a simple C# Restful Webservice example. I have the service running. I create a console client to test the Webservice, i get the following exception: Unhandled Exception: System.ServiceModel.CommunicationException: Internal Server Error Server stack trace: at System.ServiceModel.Dispatcher.WebFaultClientMessageInspector.AfterReceiveReply(Message& reply, Object correlationState ) at System.ServiceModel.Dispatcher.ImmutableClientRuntime.AfterReceiveReply(ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object [] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime ope ration) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at WebServiceClient.IService.GetData(String Data) at TestClient.Program.Main() in C:\My Documents\Visual Studio 2008\Projects\WebServiceTesting\WebServiceClient\WebServiceC lient\Program.cs:line 38 Does anyone know, why I am getting this unhandled exception and what can be done?

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  • Entity Framework 4 POCO entities in separate assembly, Dynamic Data Website?

    - by steve.macdonald
    Basically I want to use a dynamic data website to maintain data in an EF4 model where the entities are in their own assembly. Model and context are in another assembly. I tried this http://stackoverflow.com/questions/2282916/entity-framework-4-self-tracking-entities-asp-net-dynamic-data-error but get an "ambiguous match" error from reflection: System.Reflection.AmbiguousMatchException was unhandled by user code Message=Ambiguous match found. Source=mscorlib StackTrace: at System.RuntimeType.GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) at System.Type.GetProperty(String name) at System.Web.DynamicData.ModelProviders.EFTableProvider..ctor(EFDataModelProvider dataModel, EntitySet entitySet, EntityType entityType, Type entityClrType, Type parentEntityClrType, Type rootEntityClrType, String name) at System.Web.DynamicData.ModelProviders.EFDataModelProvider.CreateTableProvider(EntitySet entitySet, EntityType entityType) at System.Web.DynamicData.ModelProviders.EFDataModelProvider..ctor(Object contextInstance, Func1 contextFactory) at System.Web.DynamicData.ModelProviders.SchemaCreator.CreateDataModel(Object contextInstance, Func1 contextFactory) at System.Web.DynamicData.MetaModel.RegisterContext(Func`1 contextFactory, ContextConfiguration configuration) at WebApplication1.Global.RegisterRoutes(RouteCollection routes) in C:\dev\Puffin\Puffin.Prototype.Web\Global.asax.cs:line 42 at WebApplication1.Global.Application_Start(Object sender, EventArgs e) in C:\dev\Puffin\Puffin.Prototype.Web\Global.asax.cs:line 78 InnerException:

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  • Reflect on an ExpandoObject

    - by Water Cooler v2
    I have written a nifty function that will accept a system.object, reflect on its properties and serialize the object into a JSON string. It looks like this: public class JSONSerializer { public string Serialize(object obj) Now, I want to be able to do this to serialize a dynamic/ExpandoObject, but because my serializer uses reflection, it isn't able to do it. What's the workaround? public class Test { public dynamic MakeDynamicCat() { dynamic newCat = new ExpandoObject(); newCat.Name = "Polly"; newCat.Pedigree = new ExpandoObject(); newCat.Pedigree.Breed = "Whatever"; return newCat; } public void SerializeCat() { new JSONSerializer().Serialize(MakeDynamicCat()); } }

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  • ServiceLocator not initialized in Tests project

    - by Carl Bussema
    When attempting to write a test related to my new Tasks (MVC3, S#arp 2.0), I get this error when I try to run the test: MyProject.Tests.MyProject.Tasks.CategoryTasksTests.CanConfirmDeleteReadiness: SetUp : System.NullReferenceException : ServiceLocator has not been initialized; I was trying to retrieve SharpArch.NHibernate.ISessionFactoryKeyProvider ---- System.NullReferenceException : Object reference not set to an instance of an object. at SharpArch.Domain.SafeServiceLocator1.GetService() at SharpArch.NHibernate.SessionFactoryKeyHelper.GetKeyFrom(Object anObject) at SharpArch.NHibernate.NHibernateRepositoryWithTypedId2.get_Session() at SharpArch.NHibernate.NHibernateRepositoryWithTypedId2.Save(T entity) at MyProject.Tests.MyProject.Tasks.CategoryTasksTests.Setup() in C:\code\MyProject\Solutions\MyProject.Tests\MyProject.Tasks\CategoryTasksTests.cs:line 36 --NullReferenceException at Microsoft.Practices.ServiceLocation.ServiceLocator.get_Current() at SharpArch.Domain.SafeServiceLocator1.GetService() Other tests which do not involve the new class (e.g., generate/confirm database mappings) run correctly. My ServiceLocatorInitializer is as follows public class ServiceLocatorInitializer { public static void Init() { IWindsorContainer container = new WindsorContainer(); container.Register( Component .For(typeof(DefaultSessionFactoryKeyProvider)) .ImplementedBy(typeof(DefaultSessionFactoryKeyProvider)) .Named("sessionFactoryKeyProvider")); container.Register( Component .For(typeof(IEntityDuplicateChecker)) .ImplementedBy(typeof(EntityDuplicateChecker)) .Named("entityDuplicateChecker")); ServiceLocator.SetLocatorProvider(() => new WindsorServiceLocator(container)); } }

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  • exchange web service C# code send email from home

    - by KK
    Is it possible to write C# code as below and send email using my home network? I have a valid user name and password on that exchange server. Is there any configuration that I can set to achieve this? BTW this code blow works when I run it within office network. I want this code to work when run from any network. String cMSExchangeWebServiceURL = (String)System.Configuration.ConfigurationSettings.AppSettings["MSExchangeWebServiceURL"]; String cEmail = (String)System.Configuration.ConfigurationSettings.AppSettings["Cemail"]; String cPassword = (String)System.Configuration.ConfigurationSettings.AppSettings["Cpassword"]; String cTo = (String)System.Configuration.ConfigurationSettings.AppSettings["CTo"]; ExchangeServiceBinding esb = new ExchangeServiceBinding(); esb.Timeout = 1800000; esb.AllowAutoRedirect = true; esb.UseDefaultCredentials = false; esb.Credentials = new NetworkCredential(cEmail, cPassword); esb.Url = cMSExchangeWebServiceURL; ServicePointManager.ServerCertificateValidationCallback += delegate(object sender1, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; }; // Create a CreateItem request object CreateItemType request = new CreateItemType(); // Setup the request: // Indicate that we only want to send the message. No copy will be saved. request.MessageDisposition = MessageDispositionType.SendOnly; request.MessageDispositionSpecified = true; // Create a message object and set its properties MessageType message = new MessageType(); message.Subject = subject; message.Body = new TestOutgoingEmailServer.com.cogniti.mail1.BodyType(); message.Body.BodyType1 = BodyTypeType.HTML; message.Body.Value = body; message.ToRecipients = new EmailAddressType[3]; message.ToRecipients[0] = new EmailAddressType(); //message.ToRecipients[1] = new EmailAddressType(); //message.ToRecipients[2] = new EmailAddressType(); message.ToRecipients[0].EmailAddress = "[email protected]"; message.ToRecipients[0].RoutingType = "SMTP"; //message.CcRecipients = new EmailAddressType[1]; //message.CcRecipients[0] = new EmailAddressType(); //message.CcRecipients[0].EmailAddress = toEmailAddress.ElementAt(1).ToString(); //message.CcRecipients[0].RoutingType = "SMTP"; //There are some more properties in MessageType object //you can set all according to your requirement // Construct the array of items to send request.Items = new NonEmptyArrayOfAllItemsType(); request.Items.Items = new ItemType[1]; request.Items.Items[0] = message; // Call the CreateItem EWS method. CreateItemResponseType response = esb.CreateItem(request);

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  • jqGrid using a servlet to store the data, how to access the data from a different java class

    - by Sam
    I'm using jqGrid for a table input and setting up the url as a servlet which will deal with the GET and POST requests and save the rows to a Java object. I'm using webwork web framework and I was wondering how I can get access to the object that the servlet is saving the data to. One way I have thought of is to just call the GET method from the Java action class which the servlet will return a JSON string with the object data. Is there a better design for doing this? This is probably not too clear so ask questions so I can help get across my point. Thanks

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  • Locking Cache Key without Locking the entire Cache

    - by Gandalf
    I have servlets that caches user information rather then retrieving it from the user store on every request (shared Ehcache). The issue I have is that if a client is multi-threaded and they make more then one simultaneous request, before they have been authenticated, then I get this in my log: Retrieving User [Bob] Retrieving User [Bob] Retrieving User [Bob] Returned [Bob] ...caching Returned [Bob] ...caching Returned [Bob] ...caching What I would want is that the first request would call the user service, while the other two requests get blocked - and when the first request returns, and then caches the object, the other two requests go through: Retrieving User [Bob] blocking... blocking... Returned [Bob] ...caching [Bob] found in cache [Bob] found in cache I've thought about locking on the String "Bob" (because due to interning it's always the same object right?). Would that work? And if so how do I keep track of the keys that actually exist in the cache and build a locking mechanism around them that would then return the valid object once it's retrieved. Thanks.

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  • List display names from django models

    - by Ed
    I have an object: POP_CULTURE_TYPES = ( ('SG','Song'), ('MV', 'Movie'), ('GM', 'Game'), ('TV', 'TV'), ) class Pop_Culture(models.Model): name = models.CharField(max_length=30, unique=True) type = models.CharField(max_length=2, choices = POP_CULTURE_TYPES, blank=True, null=True) Then I have a function: def choice_list(request, modelname, field_name): mdlnm = get.model('mdb', modelname.lower()) mdlnm = mdlnm.objects.values_list(field_name, flat=True).distinct().order_by(field_name) return render_to_response("choice_list.html", { 'model' : modelname, 'field' : field_name, 'field_list' : mdlnm }) This gives me a distinct list of all the "type" entries in the database in the "field_list" variable passed in render_to_response. But I don't want a list that shows: SG MV I want a list that shows: Song Movie I can do this on an individual object basis if I was in the template object.get_type_display But how do I get a list of all of the unique "type" entries in the database as their full names for output into a template? I hope this question was clearly described. . .

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  • Excel get_Range missing when interop assembly is embedded in .NET 4.0

    - by mikemay
    I build an assembly referencing a COM interop DLL. If I embed the COM interop types by setting Embed Interop Types to True in the Reference's properties (VS2010), at run-time an error occurs "object does not contain a definition for get_Range". If COM interop types are not embedded then no error occurs. Does anyone know why a particular method, Worksheet.get_Range should be ommitted or how to work around this or have any other relevant insights? I should be grateful for any help. The interop dll contains a reference to Worksheet.get_Range(object, [object]). Using reflector on my calling assembly there is no mention of get_Range under Worksheet. The interop assembly I am embedding is generated from Excel9.olb. I am not using PIAs as the application targets multiple Excel versions.

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  • c#, asp.net, dynamicdata Validation Exception Message Caught in JavaScript, not DynamicValidator (Dy

    - by Perplexed
    I have a page here with a few list views on it that are all bound to Linq data sources and they seem to be working just fine. I want to add validation such that when a checkbox (IsVoid on the object) is checked, comments must be entered (VoidedComments on the object). Here's the bound object's OnValidate method: partial void OnValidate(ChangeAction action) { if (action == ChangeAction.Update) { if (_IsVoid) { string comments = this.VoidedComments; if (string.IsNullOrEmpty(this._VoidedComments)) { throw new ValidationException("Voided Comments are Required to Void an Error"); } } } } Despite there being a dynamic validator on the page referencing the same ValidationGroup as the dynaimc control, when the exception fires, it's caught in JavaScript and the debugger wants to break in. The message is never delivered to the UI as expected. Any thoughts as to What's going on?

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  • asp.net MVC RC1 RenderPartial ViewDataDictionary

    - by Mark79
    I'm trying to pass a ViewData object from a master page to a view user control using the ViewDataDictionary. The problem is the ViewDataDictionary is not returning any values in the view user control whichever way i try it. The sample code below is using an anonymous object just for demonstration although neither this method or passing a ViewData object works. Following is the RenderPartial helper method i'm trying to use: <% Html.RenderPartial("/Views/Project/Projects.ascx", ViewData.Eval("Projects"), new ViewDataDictionary(new { Test = "Mark" })); %> and in my view user control i do the following: <%= Html.Encode(ViewData["Test"]) %> Why does this not return anything? Thanks for your help. EDIT: I'm able to pass and access the stronlgy typed model without any problems. it's the ViewDataDictionary which i'm trying to use to pass say just a single value outside of the model..

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  • Ninject 2 for CF3.5 TargetInvocationException

    - by jack london
    In middle of application when calling following line: var component = _Kernel.Get<IComponent>(); I'm getting TargetInvocationException. IComponent is a Form. at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.ConstructorInfo.Invoke(Object[] parameters) at Ninject.Injection.ReflectionInjectorFactory.<c_DisplayClass1.b_0(Object[] args) at Ninject.Activation.Providers.StandardProvider.Create(IContext context) at Ninject.Activation.Context.Resolve() at Ninject.KernelBase.b_7(IContext context) at System.Linq.Enumerable.d_d2.MoveNext() at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable1 source) at Ninject.Planning.Targets.Target1.ResolveWithin(IContext parent) at Ninject.Activation.Providers.StandardProvider.GetValue(IContext context, ITarget target) at Ninject.Activation.Providers.StandardProvider.<>c__DisplayClass2.<Create>b__1(ITarget target) at System.Linq.Enumerable.<SelectIterator>d__d2.MoveNext() at System.Linq.Buffer1..ctor(IEnumerable1 source) at System.Linq.Enumerable.ToArray[TSource](IEnumerable1 source) at Ninject.Activation.Providers.StandardProvider.Create(IContext context) at Ninject.Activation.Context.Resolve() at Ninject.KernelBase.<Resolve>b__7(IContext context) at System.Linq.Enumerable.<SelectIterator>d__d2.MoveNext() at System.Linq.Enumerable.d__b01.MoveNext() at System.Linq.Enumerable.Single[TSource](IEnumerable1 source) at Ninject.ResolutionExtensions.Get[T](IResolutionRoot root, IParameter[] parameters)

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  • Overriding Equals method in Structs

    - by devoured elysium
    I've looked for overriding guidelines for structs, but all I can find is for classes. At first I thought I wouldn't have to check to see if the passed object was null, as structs are value types and can't be null. But now that I come to think of it, as equals signature is public bool Equals(object obj) it seems there is nothing preventing the user of my struct to be trying to compare it with an arbitrary reference type. My second point concerns the casting I (think I) have to make before I compare my private fields in my struct. How am I supposed to cast the object to my struct's type? C#'s as keyword seems only suitable for reference types. Thanks

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  • WPF: how to find an element in a datatemplate from an itemscontrol

    - by EV
    Hi, I have the following problem: the application is using the custom itemscontrol called ToolBox. The elements of a toolbox are called toolboxitems and are custom contentcontrol. Now, the toolbox stores a number of images that are retrieved from a database and displayed. For that I use a datatemplate inside the toolbox control. However, when I try to drag and drop the elements, I don't get the image object but the database component. I thought that I should then traverse the structure to find the Image element. here's the code: Toolbox: public class Toolbox : ItemsControl { private Size defaultItemSize = new Size(65, 65); public Size DefaultItemSize { get { return this.defaultItemSize; } set { this.defaultItemSize = value; } } protected override DependencyObject GetContainerForItemOverride() { return new ToolboxItem(); } protected override bool IsItemItsOwnContainerOverride(object item) { return (item is ToolboxItem); } } ToolBoxItem: public class ToolboxItem : ContentControl { private Point? dragStartPoint = null; static ToolboxItem() { FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(ToolboxItem), new FrameworkPropertyMetadata(typeof(ToolboxItem))); } protected override void OnPreviewMouseDown(MouseButtonEventArgs e) { base.OnPreviewMouseDown(e); this.dragStartPoint = new Point?(e.GetPosition(this)); } public String url { get; private set; } protected override void OnMouseMove(MouseEventArgs e) { base.OnMouseMove(e); if (e.LeftButton != MouseButtonState.Pressed) { this.dragStartPoint = null; } if (this.dragStartPoint.HasValue) { Point position = e.GetPosition(this); if ((SystemParameters.MinimumHorizontalDragDistance <= Math.Abs((double)(position.X - this.dragStartPoint.Value.X))) || (SystemParameters.MinimumVerticalDragDistance <= Math.Abs((double)(position.Y - this.dragStartPoint.Value.Y)))) { string xamlString = XamlWriter.Save(this.Content); MessageBoxResult result = MessageBox.Show(xamlString); DataObject dataObject = new DataObject("DESIGNER_ITEM", xamlString); if (dataObject != null) { DragDrop.DoDragDrop(this, dataObject, DragDropEffects.Copy); } } e.Handled = true; } } private childItem FindVisualChild<childItem>(DependencyObject obj) where childItem : DependencyObject { for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++) { DependencyObject child = VisualTreeHelper.GetChild(obj, i); if (child != null && child is childItem) return (childItem)child; else { childItem childOfChild = FindVisualChild<childItem>(child); if (childOfChild != null) return childOfChild; } } return null; } } here is the xaml file for ToolBox and toolbox item: <Style TargetType="{x:Type s:ToolboxItem}"> <Setter Property="Control.Padding" Value="5" /> <Setter Property="ContentControl.HorizontalContentAlignment" Value="Stretch" /> <Setter Property="ContentControl.VerticalContentAlignment" Value="Stretch" /> <Setter Property="ToolTip" Value="{Binding ToolTip}" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type s:ToolboxItem}"> <Grid> <Rectangle Name="Border" StrokeThickness="1" StrokeDashArray="2" Fill="Transparent" SnapsToDevicePixels="true" /> <ContentPresenter Content="{TemplateBinding ContentControl.Content}" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" ContentTemplate="{TemplateBinding ContentTemplate}"/> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="true"> <Setter TargetName="Border" Property="Stroke" Value="Gray" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type s:Toolbox}"> <Setter Property="SnapsToDevicePixels" Value="true" /> <Setter Property="Focusable" Value="False" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate> <Border BorderThickness="{TemplateBinding Border.BorderThickness}" Padding="{TemplateBinding Control.Padding}" BorderBrush="{TemplateBinding Border.BorderBrush}" Background="{TemplateBinding Panel.Background}" SnapsToDevicePixels="True"> <ScrollViewer VerticalScrollBarVisibility="Auto"> <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" /> </ScrollViewer> </Border> </ControlTemplate> </Setter.Value> </Setter> <Setter Property="ItemsPanel"> <Setter.Value> <ItemsPanelTemplate> <WrapPanel Margin="0,5,0,5" ItemHeight="{Binding Path=DefaultItemSize.Height, RelativeSource={RelativeSource AncestorType=s:Toolbox}}" ItemWidth="{Binding Path=DefaultItemSize.Width, RelativeSource={RelativeSource AncestorType=s:Toolbox}}" /> </ItemsPanelTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> Example usage: <Toolbox x:Name="NewLibrary" DefaultItemSize="55,55" ItemsSource="{Binding}" > <ItemsControl.ItemTemplate> <DataTemplate> <StackPanel> <Image Source="{Binding Path=url}" /> </StackPanel> </DataTemplate> </ItemsControl.ItemTemplate> </Toolbox> The object that I get is a database object. When using a static resource I get the Image object. How to retrieve this Image object from a datatemplate? I though that I could use this tutorial: http://msdn.microsoft.com/en-us/library/bb613579.aspx But it does not seem to solve the problem. Could anyone suggest a solution? Thanks!

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  • Equals method of System.Collections.Generic.List<T>...?

    - by Sambo
    I'm creating a class that derives from List... public class MyList : List<MyListItem> {} I've overridden Equals of MyListItem... public override bool Equals(object obj) { MyListItem li = obj as MyListItem; return (ID == li.ID); // ID is a property of MyListItem } I would like to have an Equals method in the MyList object too which will compare each item in the list, calling Equals() on each MyListItem object. It would be nice to simply call... MyList l1 = new MyList() { new MyListItem(1), new MyListItem(2) }; MyList l2 = new MyList() { new MyListItem(1), new MyListItem(2) }; if (l1 == l2) { ... } ...and have the comparisons of the list done by value. What's the best way...?

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  • EOF error encountered while converting bytearray to bitmapdata

    - by intoTHEwild
    I am using var bitmapdata:BitmapData=new BitmapData(); var pixels:Bytearray=new Bytearray(); pixels = rleDecodePixles(); bitmapdata.setPixels(bitmapdata.rect, pixels); In the 4th line in the code above i am getting "Error: Error #2030: End of file was encountered." I checked the length of the pixels object which is 4 times the width*height of the rect object. Given that setPixels() functions reads unsigned int from bytearray and sets that value to pixels, I think it should work. But I have no clue why this wont work. The pixels object is filled after RLE decoding of the data which i get from a server. Is there any work around or any other method which I could try to use. The loader class wont work as the data that I get from the server is not in any of the recognized format. Any help is greatly appreciated. Shrikant Thanks.

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  • Informix "Database locale information mismatch"

    - by lmmortal
    I have informix 11.5 running in my Win-2003 box and few databases running in it. System databases have locale en_us.819 My custom databases have locale en_us.57372 (UTF8). There is also application deployed to JBoss 4.0.2 which has few datasources configured for those custom databases. <local-tx-datasource> <jndi-name>InformixDS</jndi-name> <connection-url>jdbc:informix-sqli://@database.server@:@database.port@/tcs_catalog:[email protected]@</connection-url> <driver-class>com.informix.jdbc.IfxDriver</driver-class> <user-name>@database.username@</user-name> <password>@database.password@</password> <new-connection-sql>set lock mode to wait 5</new-connection-sql> <check-valid-connection-sql>select '1' from dual</check-valid-connection-sql> <metadata> <type-mapping>InformixDB</type-mapping> </metadata> I'm logged in as Administrator and when I start JBoss the following error is shown Caused by: java.sql.SQLException: Database locale information mismatch. at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:373) at com.informix.jdbc.IfxSqli.a(IfxSqli.java:3208) at com.informix.jdbc.IfxSqli.E(IfxSqli.java:3518) at com.informix.jdbc.IfxSqli.dispatchMsg(IfxSqli.java:2353) at com.informix.jdbc.IfxSqli.receiveMessage(IfxSqli.java:2269) at com.informix.jdbc.IfxSqli.executeOpenDatabase(IfxSqli.java:1786) at com.informix.jdbc.IfxSqliConnect.<init>(IfxSqliConnect.java:1327) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:501) at com.informix.jdbc.IfxDriver.connect(IfxDriver.java:254) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:151) ... 160 more Caused by: java.sql.SQLException at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:373) at com.informix.jdbc.IfxSqli.E(IfxSqli.java:3523) ... 170 more DB_LOCALE and CLIENT_LOCALE are set to en_us.utf8 for Administrator. When I set in Server Studio DB_LOCALE and CLIENT_LOCALE to en_us.utf8 I can connect my databases. Where should I set DB_LOCALE and CLIENT_LOCALE to avoid this Database locale information mismatch error? Thanks.

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  • What is the difference between Anycast and GeoDNS / GeoIP wrt HA?

    - by Riyad
    Based on the Wikipedia description of Anycast, it includes both the distribution of a domain-name-to-many-IP-mapping across many DNS servers as well as replying to clients with the most geographically close (or fastest) server. In the context of a globally distributed, highly available site like google.com (or any CDN service with many global edge locations) this sounds like the two key features one would need. DNS services like Amazon's Route53, EasyDNS and DNSMadeEasy all advertise themselves as Anycast-enabled networks. Therefore my assumption is that each of these DNS services transparently offer me those two killer features: multi-IP-to-domain mapping AND routing clients to the closest node. However, each of these services seem to separate out these two functionalities, referring to the 2nd one (routing clients to closest node) as "GeoDNS", "GeoIP" or "Global Traffic Director" and charge extra for the service. If a core tenant of an Anycast-capable system is to already do this, why is this functionality being earmarked as this extra feature? What is this "GeoDNS" feature doing that a standard Anycast DNS service won't do (according to the definition of Anycast from Wikipedia -- I understand what is being advertised, just not why it isn't implied already). I get extra-confused when a DNS service like Route53 that doesn't support this nebulous "GeoDNS" feature lists functionality like: Fast – Using a global anycast network of DNS servers around the world, Route 53 is designed to automatically route your users to the optimal location depending on network conditions. As a result, the service offers low query latency for your end users, as well as low update latency for your DNS record management needs. ... which sounds exactly like what GeoDNS is intended to do, but geographically directing clients is something they explicitly don't support it yet. Ultimately I am looking for the two following features from a DNS provider: Map multiple IP addresses to a single domain name (like google.com, amazon.com, etc. does) Utilize a DNS service that will respond to client requests for that domain with the IP address of the nearest server to the requestee. As mentioned, it seems like this is all part of an "Anycast" DNS service (all of which these services are), but the features and marketing I see from them suggest otherwise, making me think I need to learn a bit more about how DNS works before making a deployment choice. Thanks in advance for any clarifications.

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  • iPhone first responders

    - by William Jockusch
    I am confused about the iPhone responder chain. Specifically, in the iPhone event handling guide http://developer.apple.com/iPhone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/EventHandling/EventHandling.html, we have the following: The first responder is the responder object in an application (usually a UIView object) that is designated to be the first recipient of events other than touch events. But UIView is a subclass of UIResponder. And the UIResponder class reference says this: - (BOOL)canBecomeFirstResponder Return Value YES if the receiver can become the first responder, NO otherwise. Discussion Returns NO by default. If a responder object returns YES from this method, it becomes the first responder and can receive touch events and action messages. Subclasses must override this method to be able to become first responder. I am confused by the apparent contradiction. Can anyone clear it up for me? For what it's worth, I did set up a simple view-based application, and call canBecomeFirstResponder and isFirstResponder on its view. Both returned NO.

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  • in blackberry programming how to use SAX parser to parse a URL like this

    - by Changqi Guo
    hi guys, i have a problem with using the SAX parser to parse a XML file, it is a complex XML file, it is like the following <Objects> <Object no="1"> <field name="PID">ilives:87877</field> <field name="dc.coverage">Charlottetown</field> <field name="fgs.ownerId">fedoraAdmin</field> </Object> <Object no="2">...... i am confused how to get the names in each field, and how to store the information of each objects. please help, thx

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  • Compile error with Nested Classes

    - by ProfK
    I have metadata classes nested within entity classes, as I have always done, but suddenly, when I deploy to my target web site, and try and view a page, I get e.g. the following compile error: CS0102: The type 'PvmmsModel.ActivationResource' already contains a definition for 'ActivationResourceMetadata' My code for this type looks like below. There is only one definition of ActivationResourceMetadata: namespace PvmmsModel { [DisplayName("Activation Resources")] [DisplayColumn("Name")] [MetadataType(typeof(ActivationResourceMetadata))] public partial class ActivationResource { public class ActivationResourceMetadata { [ScaffoldColumn(false)] public object ResourceId { get; set; } [DisplayName("Cell Phone")] public object CellPhone { get; set; } [DisplayName("Shifts Worked or Planned")] public object ActivationShifts { get; set; } } } } This is on an ASP.NET WebSite project.

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