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  • Techniques for lighting a texture (no shadows)

    - by Paul Manta
    I'm trying to learn about dynamic shadows for 2D graphics. While I understand the basic ideas behind determining what areas should be lit and which should be in shadow, I don't know how I would "lighten" a texture in the first place. Could you go over various popular techniques for lighting a texture and what (dis)advantages each one has? Also, how is lighting a texture with colored light different from using white light?

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  • In spite of correct DNS, Exchange sending to wrong destination server for single outbound domain

    - by beporter
    My company uses an SBS 2003 server and makes use of Exchange to host our own email. We also have a linux server hosting domains for some of our clients. In order for us to send to those clients, we had internal DNS set up to shadow the client domains to provide "correct" MX records inside our network. For example, public DNS for a domain abc.com might point to 1.2.3.4, but internally we have MX records set up to route mail for abc.com to 172.16.0.4, which is the linux email server. This setup was entirely functional; this is just back story. We've recently moved one of our client domains from our internal linux server to an external email provider. When we did that, we naturally deleted our internal shadow DNS records so our Exchange server would fetch correct (public) DNS records and route mail out to the new external host. This has NOT had any effect on Exchange though. Even after rebooting the Exchange server and completely flushing the DNS cache (nslookups on the Exchange machine itself correctly resolve to the new external address) Exchange still attempts to deliver messages for the domain to our internal server! Exchange correctly routes to all other internal and external domains when sending email. Somehow Exchange is trying to deliver to a machine that by all accounts it has no business trying to use for just this one domain. Is there a DNS cache that Exchange uses internally? Is there a way to flush that internal cache? What else could I be missing?

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  • Xen domU passwd file overwritten with console log output

    - by malfy
    I was setting up a Debian Xen domU and after booting it fine, I added basic configuration to /etc/network/interfaces and ran /etc/init.d/networking restart. This failed so I decided to reboot. After the reboot I also ran xm shutdown box. When dropped to a shell prompt it wouldn't let me login. Upon further inspection, I now have garbage in some critical files in /etc: root@box:/# tail +1 mnt/etc/{passwd-,shadow} tail: cannot open `+1' for reading: No such file or directory ==> mnt/etc/passwd- <== 0000000000100000 (reserved) Nov 23 02:02:39 box kernel: [ 0.000000] Xen: 0000000000100000 - 0000000004000000 (usable) Nov 23 02:02:39 box kernel: [ 0.000000] DMI not present or invalid. Nov 23 02:02:39 box kernel: [ 0.000000] last_pfn = 0x4000 max_arch_pfn = 0x1000000 Nov 23 02:02:39 box kernel: [ 0.000000] initial memory mapped : 0 - 033ff000 Nov 23 02:02:39 box kernel: [ 0.000000] init_memory_mapping: 0000000000000000-0000000004000000 Nov 23 02:02:39 box kernel: [ 0.000000] NX (Execute Disable) protection: active Nov 23 02:02:39 box kernel: [ 0.000000] 0000000000 - 0004000000 page 4k Nov 23 02:02:39 box kernel: [ 0.000000] kernel direct mapping tables up to 4000000 @ 7000-2c000 Nov 23 02:02:3 ==> mnt/etc/shadow <== 32 nr_cpumask_bits:32 nr_cpu_ids:1 nr_node_ids:1 Nov 23 02:02:39 box kernel: [ 0.000000] PERCPU: Embedded 15 pages/cpu @c15b0000 s37688 r0 d23752 u65536 Nov 23 02:02:39 box kernel: [ 0.000000] pcpu-alloc: s37688 r0 d23752 u65536 alloc=16*4096 Nov 23 02:02:39 box kernel: [ 0.000000] pcpu-alloc: [0] 0 Nov 23 02:02:39 box kernel: [ 0.000000] Xen: using vcpu_info placement Nov 23 02:02:39 box kernel: [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16160 Nov 23 02:02:39 box kernel: [ 0.000000] Kernel command line: root=/dev/mapper/xen-guest_root ro quiet root=/dev/xvda1 ro Nov 23 02:02:39 box kernel: [ 0.000000] PID hash table entries: The garbage is also present in the passwd file and the group file (although I didn't paste that above since I have since ran debootstrap on the filesystem again). Does anyone have any insight into what happened and why?

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  • Why do my backup fail when I target a network share hosted by a Synology DS211 disk station?

    - by Larry
    My backups are failing when I try to use a network share hosted by a Synology DS211 disk station. They work fine if I target a different network share (i.e. \server1\data\larry). When I run the following command: Wbadmin start backup -backupTarget:\\diskstation\backup-larry -include:C: This is what I get: wbadmin 1.0 - Backup command-line tool (C) Copyright 2004 Microsoft Corp. Note: The backed up data cannot be securely protected at this destination. Backups stored on a remote shared folder might be accessible by other people on the network. You should only save your backups to a location where you trust the other users who have access to the location or on a network that has additional security precautions in place. Retrieving volume information... This will back up volume WIN7(C:) to \\diskstation\backup-larry. Do you want to start the backup operation? [Y] Yes [N] No y Note: The list of volumes included for backup does not include all the volumes that contain operating system components. This backup cannot be used to perform a system recovery. However, you can recover other items if the destination media type supports it. The backup operation to \\diskstation\backup-larry is starting. Creating a shadow copy of the volumes specified for backup... Creating a shadow copy of the volumes specified for backup... The backup operation stopped before completing. Summary of the backup operation: ------------------ The backup operation stopped before completing. Detailed error: Access is denied. Windows Backup failed to write the file: '<backup location>\WindowsImageBackup\<Computer Name>\MediaId'. Access is denied. The backup creates the following path \\diskstation\backup-larry\WindowsImageBackup\LARRY-MYDOMAIN\ but its empty. I definitely have read/write access on the target directory (\diskstation\backup-larry). I have verified this by looking at the permission and by actually copying files to this location. Any suggestions?

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  • libsasl2 change paths

    - by mk_89
    I have been following the tutorial https://help.ubuntu.com/community/Postfix for installing Postfix on ubuntu. Im stuck at the Authenication section of the tutorial where you change paths to live in the false root, if you look at the link above I have a file (/etc/default/saslauthd) which is pretty much the same as the one from the tutorial. saslauthd # This needs to be uncommented before saslauthd will be run automatically START=yes PWDIR="/var/spool/postfix/var/run/saslauthd" PARAMS="-m ${PWDIR}" PIDFILE="${PWDIR}/saslauthd.pid" # You must specify the authentication mechanisms you wish to use. # This defaults to "pam" for PAM support, but may also include # "shadow" or "sasldb", like this: # MECHANISMS="pam shadow" MECHANISMS="pam" # Other options (default: -c) # See the saslauthd man page for information about these options. # # Example for postfix users: "-c -m /var/spool/postfix/var/run/saslauthd" # Note: See /usr/share/doc/sasl2-bin/README.Debian #OPTIONS="-c" #make sure you set the options here otherwise it ignores params above and will not work OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd" When I run the following command in ubuntu dpkg-statoverride --force --update --add root sasl 755 /var/spool/postfix/var/run/saslauthd I get the following error dpkg-statoverride: warning: An override for '/var/spool/postfix/var/run/saslauthd' already exists, but --force specified so will be ignored. dpkg-statoverride: warning: --update given but /var/spool/postfix/var/run/saslauthd does not exist I don't why this is happening, I literally followed the tutorial step by step and have installed all the packages necessary, what could be the problem? do I have to manually create

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  • getent passwd fails, getent group works?

    - by slugman
    I've almost got my AD integration working completely on my OpenSUSE 12.1 server. I have a OpenSUSE 11.4 system successfully integrated into our AD environment. (Meaning, we use ldap to authenticate to AD directory via kerberos, so we can login to our *nix systems via AD users, using name service caching daemon to cache our passwords and groups). Also, important to note these systems are in our lan, ssl authentication is disabled. I am almost all the way there. Nss_ldap is finally authenticating with ldap server (as /var/log/messages shows), but right now, I have another problem: getent passwd & getent shadow fails (shows local accounts only), but getent group works! Getent group shows all my ad groups! I copied over the relavent configuration files from my working OpenSUSE 11.4 box: /etc/krb5.conf /etc/nsswitch.conf /etc/nscd.conf /etc/samba/smb.conf /etc/sssd/sssd.conf /etc/pam.d/common-session-pc /etc/pam.d/common-account-pc /etc/pam.d/common-auth-pc /etc/pam.d/common-password-pc I didn't modify anything between the two. I really don't think I need to modify anything, because getent passwd, getent shadow, and getent group all works fine on the OpenSUSE11.4 box. Attempting to restart nscd service unfortunately didn't do much, and niether did running /usr/sbin/nscd -i passwd. Do any of you admin-gurus have any suggestions? Honestly, I'm happy I made it this far. I'm almost there guys!

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  • Windows Server 2008 R2 Finding Hidden files that are causing drive to fill up

    - by Xaxum
    What is the best way to find out what files are sucking up so much space? My Windows directory lists its size as 15 GB but when I run a powershell script against it, it shows 40 GB. It seems 40 GB is about right because if I use that 40 GB and add it to the rest of my folders on C I get the 45 GB that is in use. I checked volume shadow copy and that is disabled and there are no volume shadow files listed. My page file is limited to 3 GB. How can I find out what files are taking 25 GB of space? Final Results: We ended up disabling UAC and then the Properties showed the true file size of the Windows folder, as shown in powershell script. This allowed us to drill down to the folder that had the issues... In our case it was in C:\Windows\System32\config\systemprofile\AppData\Local\VMware\VDM there were several large dump files, these were the mysterious unknown files in WinDirStat. It turns out our nessus scan is crashing a view service for a couple seconds so it creates a large dump file. So we will try this.. https://discussions.nessus.org/thread/5212

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  • auth user and exec a node app only with apache?

    - by Blame
    I couldn't find an answer on the web and I'm trying for days now so I hope that someone with more experience with apache can help me out. Iam writing an web editor and the user should be able to edit a file that is on the server in a directory the user has access to. The problem Iam facing is that I need to authenticate against the system users (shadow/passwd). So the user should be able to login whith a system account and then the node app which does all the logic should be started with the users rights. I hope to get this working without any additional script and only with Apache. I found out two things: I can use mod_auth_pam to authenticate the user There is a mod called suEXEC which can exec the node app with a specified user The problem is that I have to hard code which user is used by suEXEC but I want to decide when the user logs in. Is there any way to authenticate a user against the shadow/passwd and then exec a prog with the users rights? I dont want to run the node app as root and the user should only be able to access his own files. Any help would be appreciated! Thanks, Kodak

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  • flash core engine by Dinesh [closed]

    - by hdinesh
    This post was a dump of the following code (without the highlights). No question, just a dump. Please update this q. with a real question to have it reopened. You (the asker) risk to be flagged as spammer (if not already) and a bad reputation. This is a q/a site, not a site to promote your own code libraries. package facers { import flash.display.*; import flash.events.*; import flash.geom.ColorTransform; import flash.utils.Dictionary; import org.papervision3d.cameras.*; import org.papervision3d.scenes.*; import org.papervision3d.objects.*; import org.papervision3d.objects.special.*; import org.papervision3d.objects.primitives.*; import org.papervision3d.materials.*; import org.papervision3d.events.FileLoadEvent; import org.papervision3d.materials.special.*; import org.papervision3d.materials.shaders.*; import org.papervision3d.materials.utils.*; import org.papervision3d.lights.*; import org.papervision3d.render.*; import org.papervision3d.view.*; import org.papervision3d.events.InteractiveScene3DEvent; import org.papervision3d.events.*; import org.papervision3d.core.utils.*; import org.papervision3d.core.geom.renderables.Vertex3D; import caurina.transitions.*; public class Main extends Sprite { public var viewport :BasicView; public var displayObject :DisplayObject3D; private var light :PointLight3D; private var shadowPlane :Plane; private var dataArray :Array; private var material :BitmapFileMaterial; private var planeByContainer :Dictionary = new Dictionary(); private var paperSize :Number = 0.5; private var cloudSize :Number = 1500; private var rotSize :Number = 360; private var maxAlbums :Number = 50; private var num :Number = 0; public function Main():void { trace("START APPLICATION"); viewport = new BasicView(1024, 690, true, true, CameraType.FREE); viewport.camera.zoom = 50; viewport.camera.extra = { goPosition: new DisplayObject3D(),goTarget: new DisplayObject3D() }; addChild(viewport); displayObject = new DisplayObject3D(); viewport.scene.addChild(displayObject); createAlbum(); addEventListener(Event.ENTER_FRAME, onRenderEvent); } private function createAlbum() { dataArray = new Array("images/thums/pic1.jpg", "images/thums/pic2.jpg", "images/thums/pic3.jpg", "images/thums/pic4.jpg", "images/thums/pic5.jpg", "images/thums/pic6.jpg", "images/thums/pic7.jpg", "images/thums/pic8.jpg", "images/thums/pic9.jpg", "images/thums/pic10.jpg", "images/thums/pic1.jpg", "images/thums/pic2.jpg", "images/thums/pic3.jpg", "images/thums/pic4.jpg", "images/thums/pic5.jpg", "images/thums/pic6.jpg", "images/thums/pic7.jpg", "images/thums/pic8.jpg", "images/thums/pic9.jpg", "images/thums/pic10.jpg"); for (var i:int = 0; i < dataArray.length; i++) { material = new BitmapFileMaterial(dataArray[i]); material.doubleSided = true; material.addEventListener(FileLoadEvent.LOAD_COMPLETE, loadMaterial); } } public function loadMaterial(event:Event) { var plane:Plane = new Plane(material, 300, 180); displayObject.addChild(plane); var _x:int = Math.random() * cloudSize - cloudSize/2; var _y:int = Math.random() * cloudSize - cloudSize/2; var _z:int = Math.random() * cloudSize - cloudSize/2; var _rotationX:int = Math.random() * rotSize; var _rotationY:int = Math.random() * rotSize; var _rotationZ:int = Math.random() * rotSize; Tweener.addTween(plane, { x:_x, y:_y, z:_z, rotationX:_rotationX, rotationY:_rotationY, rotationZ:_rotationZ, time:5, transition:"easeIn" } ); } protected function onRenderEvent(event:Event):void { var rotY: Number = (mouseY-(stage.stageHeight/2))/(900/2)*(1200); var rotX: Number = (mouseX-(stage.stageWidth/2))/(600/2)*(-1200); displayObject.rotationY = viewport.camera.x + (rotX - viewport.camera.x) / 50; displayObject.rotationX = viewport.camera.y + (rotY - viewport.camera.y) / 30; viewport.singleRender(); } } } package designLab.events { import flash.display.BlendMode; import flash.display.Sprite; import flash.events.Event; import flash.filters.BlurFilter; // Import designLab import designLab.layer.IntroLayer; import designLab.shadow.ShadowCaster; import designLab.utils.LayerConstant; // Import Papervision3D import org.papervision3d.cameras.*; import org.papervision3d.scenes.*; import org.papervision3d.objects.*; import org.papervision3d.objects.special.*; import org.papervision3d.objects.primitives.*; import org.papervision3d.materials.*; import org.papervision3d.materials.special.*; import org.papervision3d.materials.shaders.*; import org.papervision3d.materials.utils.*; import org.papervision3d.lights.*; import org.papervision3d.render.*; import org.papervision3d.view.*; import org.papervision3d.events.InteractiveScene3DEvent; import org.papervision3d.events.*; import org.papervision3d.core.utils.*; import org.papervision3d.core.geom.renderables.Vertex3D; public class CoreEnging extends Sprite { public var viewport :BasicView; // Create BasicView public var displayObject :DisplayObject3D; // Create DisplayObject public var shadowCaster :ShadowCaster; // Create ShadowCaster private var light :PointLight3D; // Create PointLight private var shadowPlane :Plane; // Create Plane private var layer :LayerConstant; // Create constant resource layer private static var instance :CoreEnging; // Create CoreEnging class static instance // CoreEnging class static instance mathod function public static function getinstance() { if (instance != null) return instance; else { instance = new CoreEnging(); return instance; } } // CoreEnging constrictor public function CoreEnging () { trace("INFO: Design Lab Application : Core Enging v0.1"); layer = new LayerConstant(); viewport = new BasicView(900, 600, true, true, CameraType.FREE); // pass the width, height, scaleToStage, interactive, cameraType to BasicView viewport.camera.zoom = 100; // Define the zoom level of camera addChild(viewport); createFloor(); // Create the floor displayObject = new DisplayObject3D(); // Create new instance of DisplayObject viewport.scene.addChild(displayObject); // Add the DisplayObject to the BasicView light = new PointLight3D(); // Create new instance of PointLight light.z = -50; // Position the Z of create instance light.x = 0; //Position the X of create instance light.rotationZ = 45; //Position the rotation angel of the Z of create instance light.y = 500; //Position the Y of create instance shadowCaster = new ShadowCaster("shadow", 0x000000, BlendMode.MULTIPLY, .1, [new BlurFilter(20, 20, 1)]); // pass shadowcaster name, color, blend mode, alpha and filters shadowCaster.setType(ShadowCaster.SPOTLIGHT); // Define the shadow type addEventListener(Event.ENTER_FRAME, onRenderEvent); // Add frame render event } // Start create floor public function createFloor() { var spr:Sprite = new Sprite(); // Create Sprite spr.graphics.beginFill(0xFFFFFF); // Define the fill color for sprite spr.graphics.drawRect(0, 0, 600, 600); // Define the X, Y, width, height of the sprite var sprMaterial:MovieMaterial = new MovieMaterial(spr, true, true, true); //Create a texture from an existing sprite instance shadowPlane = new Plane(sprMaterial, 2000, 2000, 1, 1); // create new instance of the Plane and pass the texture material, width, height, segmentsW and segmentsH shadowPlane.rotationX = 80; //Position the rotation angel of the X of Plane shadowPlane.y = -200; //Position the Y of Plane viewport.scene.addChild(shadowPlane); // Add the Plane to the BasicView } // switch method function of the page layer control public function addLayer(type:String) { switch (type) { case layer.INTRO: var intro:IntroLayer = new IntroLayer(); break; } } // Create get mathod function for DisplayObject public function getDisplayObject():DisplayObject3D { return displayObject; } // Create get mathod function for BasicView public function getViewport():BasicView { return viewport; } // Rendering function protected function onRenderEvent(event:Event):void { var rotY: Number = (mouseY-(stage.stageHeight/2))/(900/2)*(1200); var rotX: Number = (mouseX-(stage.stageWidth/2))/(600/2)*(-1200); displayObject.rotationY = viewport.camera.x + (rotX - viewport.camera.x) / 50; displayObject.rotationX = viewport.camera.y + (rotY - viewport.camera.y) / 30; // Remove the shadow shadowCaster.invalidate(); // create new shadow on DisplayObject move shadowCaster.castModel(displayObject, light, shadowPlane); viewport.singleRender(); } } } package designLab.layer { import flash.display.Sprite; import flash.events.Event; // Import designLab import designLab.materials.iBusinessCard; import designLab.events.CoreEnging; // Import Papervision3D import org.papervision3d.objects.primitives.Cube; import org.papervision3d.materials.ColorMaterial; import org.papervision3d.materials.MovieMaterial; public class IntroLayer { // IntroLayer constrictor public function IntroLayer() { trace("INFO: Load Intro layer"); var indexDP:DP_index = new DP_index(); //Create the library MovieClip var blackMaterial:MovieMaterial = new MovieMaterial(indexDP, true); //Create a texture from an existing library MovieClip instance blackMaterial.smooth = true; blackMaterial.doubleSided = false; var mycolor:ColorMaterial = new ColorMaterial(0x000000); //Create solid color material var mycard:iBusinessCard = new iBusinessCard(blackMaterial, blackMaterial, mycolor, 372, 10, 207); // Create custom 3D cube object to pass the Front, Back, All, CubeWidth, CubeDepth and CubeHeight CoreEnging.getinstance().getDisplayObject().addChild(mycard.create3DCube()); // Add the custom 3D cube to the DisplayObject } } } package designLab.materials { import flash.display.*; import flash.events.*; // Import Papervision3D import org.papervision3d.materials.*; import org.papervision3d.materials.utils.MaterialsList; import org.papervision3d.objects.primitives.Cube; public class iBusinessCard extends Sprite { private var materialsList :MaterialsList; private var cube :Cube; private var Front :MovieMaterial = new MovieMaterial(); private var Back :MovieMaterial = new MovieMaterial(); private var All :ColorMaterial = new ColorMaterial(); private var CubeWidth :Number; private var CubeDepth :Number; private var CubeHeight :Number; public function iBusinessCard(Front:MovieMaterial, Back:MovieMaterial, All:ColorMaterial, CubeWidth:Number, CubeDepth:Number, CubeHeight:Number) { setFront(Front); setBack(Back); setAll(All); setCubeWidth(CubeWidth); setCubeDepth(CubeDepth); setCubeHeight(CubeHeight); } public function create3DCube():Cube { materialsList = new MaterialsList(); materialsList.addMaterial(Front, "front"); materialsList.addMaterial(Back, "back"); materialsList.addMaterial(All, "left"); materialsList.addMaterial(All, "right"); materialsList.addMaterial(All, "top"); materialsList.addMaterial(All, "bottom"); cube = new Cube(materialsList, CubeWidth, CubeDepth, CubeHeight); cube.x = 0; cube.y = 0; cube.z = 0; cube.rotationY = 180; return cube; } public function setFront(Front:MovieMaterial) { this.Front = Front; } public function getFront():MovieMaterial { return Front; } public function setBack(Back:MovieMaterial) { this.Back = Back; } public function getBack():MovieMaterial { return Back; } public function setAll(All:ColorMaterial) { this.All = All; } public function getAll():ColorMaterial { return All; } public function setCubeWidth(CubeWidth:Number) { this.CubeWidth = CubeWidth; } public function getCubeWidth():Number { return CubeWidth; } public function setCubeDepth(CubeDepth:Number) { this.CubeDepth = CubeDepth; } public function getCubeDepth():Number { return CubeDepth; } public function setCubeHeight(CubeHeight:Number) { this.CubeHeight = CubeHeight; } public function getCubeHeight():Number { return CubeHeight; } } } package designLab.shadow { import flash.display.Sprite; import flash.filters.BlurFilter; import flash.geom.Point; import flash.geom.Rectangle; import flash.utils.Dictionary; import org.papervision3d.core.geom.TriangleMesh3D; import org.papervision3d.core.geom.renderables.Triangle3D; import org.papervision3d.core.geom.renderables.Vertex3D; import org.papervision3d.core.math.BoundingSphere; import org.papervision3d.core.math.Matrix3D; import org.papervision3d.core.math.Number3D; import org.papervision3d.core.math.Plane3D; import org.papervision3d.lights.PointLight3D; import org.papervision3d.materials.MovieMaterial; import org.papervision3d.objects.DisplayObject3D; import org.papervision3d.objects.primitives.Plane; public class ShadowCaster { private var vertexRefs:Dictionary; private var numberRefs:Dictionary; private var lightRay:Number3D = new Number3D() private var p3d:Plane3D = new Plane3D(); public var color:uint = 0; public var alpha:Number = 0; public var blend:String = ""; public var filters:Array; public var uid:String; private var _type:String = "point"; private var dir:Number3D; private var planeBounds:Dictionary; private var targetBounds:Dictionary; private var models:Dictionary; public static var DIRECTIONAL:String = "dir"; public static var SPOTLIGHT:String = "spot"; public function ShadowCaster(uid:String, color:uint = 0, blend:String = "multiply", alpha:Number = 1, filters:Array=null) { this.uid = uid; this.color = color; this.alpha = alpha; this.blend = blend; this.filters = filters ? filters : [new BlurFilter()]; numberRefs = new Dictionary(true); targetBounds = new Dictionary(true); planeBounds = new Dictionary(true); models = new Dictionary(true); } public function castModel(model:DisplayObject3D, light:PointLight3D, plane:Plane, faces:Boolean = true, cull:Boolean = false):void{ var ar:Array; if(models[model]) { ar = models[model]; }else{ ar = new Array(); getChildMesh(model, ar); models[model] = ar; } var reset:Boolean = true; for each(var t:TriangleMesh3D in ar){ if(faces) castFaces(light, t, plane, cull, reset); else castBoundingSphere(light, t, plane, 0.75, reset); reset = false; } } private function getChildMesh(do3d:DisplayObject3D, ar):void{ if(do3d is TriangleMesh3D) ar.push(do3d); for each(var d:DisplayObject3D in do3d.children) getChildMesh(d, ar); } public function setType(type:String="point"):void{ _type = type; } public function getType():String{ return _type; } public function castBoundingSphere(light:PointLight3D, target:TriangleMesh3D, plane:Plane, scaleRadius:Number=0.8, clear:Boolean = true):void{ var planeVertices:Array = plane.geometry.vertices; //convert to target space? var world:Matrix3D = plane.world; var inv:Matrix3D = Matrix3D.inverse(plane.transform); var lp:Number3D = new Number3D(light.x, light.y, light.z); Matrix3D.multiplyVector(inv, lp); p3d.setNormalAndPoint(plane.geometry.faces[0].faceNormal, new Number3D()); var b:BoundingSphere = target.geometry.boundingSphere; var bounds:Object = planeBounds[plane]; if(!bounds){ bounds = plane.boundingBox(); planeBounds[plane] = bounds; } var tbounds:Object = targetBounds[target]; if(!tbounds){ tbounds = target.boundingBox(); targetBounds[target] = tbounds; } var planeMovie:Sprite = Sprite(MovieMaterial(plane.material).movie); var movieSize:Point = new Point(planeMovie.width, planeMovie.height); var castClip:Sprite = getCastClip(plane); castClip.blendMode = this.blend; castClip.filters = this.filters; castClip.alpha = this.alpha; if(clear) castClip.graphics.clear(); vertexRefs = new Dictionary(true); var tlp:Number3D = new Number3D(light.x, light.y, light.z); Matrix3D.multiplyVector(Matrix3D.inverse(target.world), tlp); var center:Number3D = new Number3D(tbounds.min.x+tbounds.size.x*0.5, tbounds.min.y+tbounds.size.y*0.5, tbounds.min.z+tbounds.size.z*0.5); var dif:Number3D = Number3D.sub(lp, center); dif.normalize(); var other:Number3D = new Number3D(); other.x = -dif.y; other.y = dif.x; other.z = 0; other.normalize(); var cross:Number3D = Number3D.cross(new Number3D(plane.transform.n12, plane.transform.n22, plane.transform.n32), p3d.normal); cross.normalize(); //cross = new Number3D(-dif.y, dif.x, 0); //cross.normalize(); cross.multiplyEq(b.radius*scaleRadius); if(_type == DIRECTIONAL){ var oPos:Number3D = new Number3D(target.x, target.y, target.z); Matrix3D.multiplyVector(target.world, oPos); Matrix3D.multiplyVector(inv, oPos); dir = new Number3D(oPos.x-lp.x, oPos.y-lp.y, oPos.z-lp.z); } //numberRefs = new Dictionary(true); var pos:Number3D; var c2d:Point; var r2d:Point; //_type = SPOTLIGHT; pos = projectVertex(new Vertex3D(center.x, center.y, center.z), lp, inv, target.world); c2d = get2dPoint(pos, bounds.min, bounds.size, movieSize); pos = projectVertex(new Vertex3D(center.x+cross.x, center.y+cross.y, center.z+cross.z), lp, inv, target.world); r2d = get2dPoint(pos, bounds.min, bounds.size, movieSize); var dx:Number = r2d.x-c2d.x; var dy:Number = r2d.y-c2d.y; var rad:Number = Math.sqrt(dx*dx+dy*dy); castClip.graphics.beginFill(color); castClip.graphics.moveTo(c2d.x, c2d.y); castClip.graphics.drawCircle(c2d.x, c2d.y, rad); castClip.graphics.endFill(); } public function getCastClip(plane:Plane):Sprite{ var planeMovie:Sprite = Sprite(MovieMaterial(plane.material).movie); var movieSize:Point = new Point(planeMovie.width, planeMovie.height); var castClip:Sprite;// = new Sprite(); if(planeMovie.getChildByName("castClip"+uid)) return Sprite(planeMovie.getChildByName("castClip"+uid)); else{ castClip = new Sprite(); castClip.name = "castClip"+uid; castClip.scrollRect = new Rectangle(0, 0, movieSize.x, movieSize.y); //castClip.alpha = 0.4; planeMovie.addChild(castClip); return castClip; } } public function castFaces(light:PointLight3D, target:TriangleMesh3D, plane:Plane, cull:Boolean=false, clear:Boolean = true):void{ var planeVertices:Array = plane.geometry.vertices; //convert to target space? var world:Matrix3D = plane.world; var inv:Matrix3D = Matrix3D.inverse(plane.transform); var lp:Number3D = new Number3D(light.x, light.y, light.z); Matrix3D.multiplyVector(inv, lp); var tlp:Number3D; if(cull){ tlp = new Number3D(light.x, light.y, light.z); Matrix3D.multiplyVector(Matrix3D.inverse(target.world), tlp); } //Matrix3D.multiplyVector(Matrix3D.inverse(target.transform), tlp); //p3d.setThreePoints(planeVertices[0].getPosition(), planeVertices[1].getPosition(), planeVertices[2].getPosition()); p3d.setNormalAndPoint(plane.geometry.faces[0].faceNormal, new Number3D()); if(_type == DIRECTIONAL){ var oPos:Number3D = new Number3D(target.x, target.y, target.z); Matrix3D.multiplyVector(target.world, oPos); Matrix3D.multiplyVector(inv, oPos); dir = new Number3D(oPos.x-lp.x, oPos.y-lp.y, oPos.z-lp.z); } var bounds:Object = planeBounds[plane]; if(!bounds){ bounds = plane.boundingBox(); planeBounds[plane] = bounds; } var castClip:Sprite = getCastClip(plane); castClip.blendMode = this.blend; castClip.filters = this.filters; castClip.alpha = this.alpha; var planeMovie:Sprite = Sprite(MovieMaterial(plane.material).movie); var movieSize:Point = new Point(planeMovie.width, planeMovie.height); if(clear) castClip.graphics.clear(); vertexRefs = new Dictionary(true); //numberRefs = new Dictionary(true); var pos:Number3D; var p2d:Point; var s2d:Point; var hitVert:Number3D = new Number3D(); for each(var t:Triangle3D in target.geometry.faces){ if( cull){ hitVert.x = t.v0.x; hitVert.y = t.v0.y; hitVert.z = t.v0.z; if(Number3D.dot(t.faceNormal, Number3D.sub(tlp, hitVert)) <= 0) continue; } castClip.graphics.beginFill(color); pos = projectVertex(t.v0, lp, inv, target.world); s2d = get2dPoint(pos, bounds.min, bounds.size, movieSize); castClip.graphics.moveTo(s2d.x, s2d.y); pos = projectVertex(t.v1, lp, inv, target.world); p2d = get2dPoint(pos, bounds.min, bounds.size, movieSize); castClip.graphics.lineTo(p2d.x, p2d.y); pos = projectVertex(t.v2, lp, inv, target.world); p2d = get2dPoint(pos, bounds.min, bounds.size, movieSize); castClip.graphics.lineTo(p2d.x, p2d.y); castClip.graphics.lineTo(s2d.x, s2d.y); castClip.graphics.endFill(); } } public function invalidate():void{ invalidateModels(); invalidatePlanes(); } public function invalidatePlanes():void{ planeBounds = new Dictionary(true); } public function invalidateTargets():void{ numberRefs = new Dictionary(true); targetBounds = new Dictionary(true); } public function invalidateModels():void{ models = new Dictionary(true); invalidateTargets(); } private function get2dPoint(pos3D:Number3D, min3D:Number3D, size3D:Number3D, movieSize:Point):Point{ return new Point((pos3D.x-min3D.x)/size3D.x*movieSize.x, ((-pos3D.y-min3D.y)/size3D.y*movieSize.y)); } private function projectVertex(v:Vertex3D, light:Number3D, invMat:Matrix3D, world:Matrix3D):Number3D{ var pos:Number3D = vertexRefs[v]; if(pos) return pos; var n:Number3D = numberRefs[v]; if(!n){ n = new Number3D(v.x, v.y, v.z); Matrix3D.multiplyVector(world, n); Matrix3D.multiplyVector(invMat, n); numberRefs[v] = n; } if(_type == SPOTLIGHT){ lightRay.x = light.x; lightRay.y = light.y; lightRay.z = light.z; }else{ lightRay.x = n.x-dir.x; lightRay.y = n.y-dir.y; lightRay.z = n.z-dir.z; } pos = p3d.getIntersectionLineNumbers(lightRay, n); vertexRefs[v] = pos; return pos; } } } package designLab.utils { public class LayerConstant { public const INTRO:String = "INTRO"; // Intro layer string constant } }*emphasized text*

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  • Exam 70-480 Study Material: Programming in HTML5 with JavaScript and CSS3

    - by Stacy Vicknair
    Here’s a list of sources of information for the different elements that comprise the 70-480 exam: General Resources http://www.w3schools.com (As pointed out in David Pallmann’s blog some of this content is unverified, but it is a decent source of information. For more about when it isn’t decent, see http://www.w3fools.com ) http://www.bloggedbychris.com/2012/09/19/microsoft-exam-70-480-study-guide/ (A guy who did a lot of what I did already, sadly I found this halfway through finishing my resources list. This list is expertly put together so I would recommend checking it out.) http://davidpallmann.blogspot.com/2012/08/microsoft-certification-exam-70-480.html http://pluralsight.com/training/Courses (Yes, this isn’t free, but if you look at the course listing there is an entire section on HTML5, CSS3 and Javascript. You can always try the trial!)   Some of the links I put below will overlap with the other resources above, but I tried to find explanations that looked beneficial to me on links outside those already mentioned.   Test Breakdown Implement and Manipulate Document Structures and Objects (24%) Create the document structure. o This objective may include but is not limited to: structure the UI by using semantic markup, including for search engines and screen readers (Section, Article, Nav, Header, Footer, and Aside); create a layout container in HTML http://www.w3schools.com/html/html5_new_elements.asp   Write code that interacts with UI controls. o This objective may include but is not limited to: programmatically add and modify HTML elements; implement media controls; implement HTML5 canvas and SVG graphics http://www.w3schools.com/html/html5_canvas.asp http://www.w3schools.com/html/html5_svg.asp   Apply styling to HTML elements programmatically. o This objective may include but is not limited to: change the location of an element; apply a transform; show and hide elements   Implement HTML5 APIs. o This objective may include but is not limited to: implement storage APIs, AppCache API, and Geolocation API http://www.w3schools.com/html/html5_geolocation.asp http://www.w3schools.com/html/html5_webstorage.asp http://www.w3schools.com/html/html5_app_cache.asp   Establish the scope of objects and variables. o This objective may include but is not limited to: define the lifetime of variables; keep objects out of the global namespace; use the “this” keyword to reference an object that fired an event; scope variables locally and globally http://robertnyman.com/2008/10/09/explaining-javascript-scope-and-closures/ http://www.quirksmode.org/js/this.html   Create and implement objects and methods. o This objective may include but is not limited to: implement native objects; create custom objects and custom properties for native objects using prototypes and functions; inherit from an object; implement native methods and create custom methods http://www.javascriptkit.com/javatutors/object.shtml http://www.crockford.com/javascript/inheritance.html http://stackoverflow.com/questions/1635116/javascript-class-method-vs-class-prototype-method http://www.javascriptkit.com/javatutors/proto.shtml     Implement Program Flow (25%) Implement program flow. o This objective may include but is not limited to: iterate across collections and array items; manage program decisions by using switch statements, if/then, and operators; evaluate expressions http://www.javascriptkit.com/jsref/looping.shtml http://www.javascriptkit.com/javatutors/varshort.shtml http://www.javascriptkit.com/javatutors/switch.shtml   Raise and handle an event. o This objective may include but is not limited to: handle common events exposed by DOM (OnBlur, OnFocus, OnClick); declare and handle bubbled events; handle an event by using an anonymous function http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html http://javascript.info/tutorial/bubbling-and-capturing   Implement exception handling. o This objective may include but is not limited to: set and respond to error codes; throw an exception; request for null checks; implement try-catch-finally blocks http://www.javascriptkit.com/javatutors/trycatch.shtml   Implement a callback. o This objective may include but is not limited to: receive messages from the HTML5 WebSocket API; use jQuery to make an AJAX call; wire up an event; implement a callback by using anonymous functions; handle the “this” pointer http://www.w3.org/TR/2011/WD-websockets-20110419/ http://www.html5rocks.com/en/tutorials/websockets/basics/ http://api.jquery.com/jQuery.ajax/   Create a web worker process. o This objective may include but is not limited to: start and stop a web worker; pass data to a web worker; configure timeouts and intervals on the web worker; register an event listener for the web worker; limitations of a web worker https://developer.mozilla.org/en-US/docs/DOM/Using_web_workers http://www.html5rocks.com/en/tutorials/workers/basics/   Access and Secure Data (26%) Validate user input by using HTML5 elements. o This objective may include but is not limited to: choose the appropriate controls based on requirements; implement HTML input types and content attributes (for example, required) to collect user input http://diveintohtml5.info/forms.html   Validate user input by using JavaScript. o This objective may include but is not limited to: evaluate a regular expression to validate the input format; validate that you are getting the right kind of data type by using built-in functions; prevent code injection http://www.regular-expressions.info/javascript.html http://msdn.microsoft.com/en-us/library/66ztdbe6(v=vs.94).aspx https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/typeof http://blog.stackoverflow.com/2008/06/safe-html-and-xss/ http://stackoverflow.com/questions/942011/how-to-prevent-javascript-injection-attacks-within-user-generated-html   Consume data. o This objective may include but is not limited to: consume JSON and XML data; retrieve data by using web services; load data or get data from other sources by using XMLHTTPRequest http://www.erichynds.com/jquery/working-with-xml-jquery-and-javascript/ http://www.webdevstuff.com/86/javascript-xmlhttprequest-object.html http://www.json.org/ http://stackoverflow.com/questions/4935632/how-to-parse-json-in-javascript   Serialize, deserialize, and transmit data. o This objective may include but is not limited to: binary data; text data (JSON, XML); implement the jQuery serialize method; Form.Submit; parse data; send data by using XMLHTTPRequest; sanitize input by using URI/form encoding http://api.jquery.com/serialize/ http://www.javascript-coder.com/javascript-form/javascript-form-submit.phtml http://stackoverflow.com/questions/327685/is-there-a-way-to-read-binary-data-into-javascript https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURI     Use CSS3 in Applications (25%) Style HTML text properties. o This objective may include but is not limited to: apply styles to text appearance (color, bold, italics); apply styles to text font (WOFF and @font-face, size); apply styles to text alignment, spacing, and indentation; apply styles to text hyphenation; apply styles for a text drop shadow http://www.w3schools.com/css/css_text.asp http://www.w3schools.com/css/css_font.asp http://nicewebtype.com/notes/2009/10/30/how-to-use-css-font-face/ http://webdesign.about.com/od/beginningcss/p/aacss5text.htm http://www.w3.org/TR/css3-text/ http://www.css3.info/preview/box-shadow/   Style HTML box properties. o This objective may include but is not limited to: apply styles to alter appearance attributes (size, border and rounding border corners, outline, padding, margin); apply styles to alter graphic effects (transparency, opacity, background image, gradients, shadow, clipping); apply styles to establish and change an element’s position (static, relative, absolute, fixed) http://net.tutsplus.com/tutorials/html-css-techniques/10-css3-properties-you-need-to-be-familiar-with/ http://www.w3schools.com/css/css_image_transparency.asp http://www.w3schools.com/cssref/pr_background-image.asp http://ie.microsoft.com/testdrive/graphics/cssgradientbackgroundmaker/default.html http://www.w3.org/TR/CSS21/visufx.html http://www.barelyfitz.com/screencast/html-training/css/positioning/ http://davidwalsh.name/css-fixed-position   Create a flexible content layout. o This objective may include but is not limited to: implement a layout using a flexible box model; implement a layout using multi-column; implement a layout using position floating and exclusions; implement a layout using grid alignment; implement a layout using regions, grouping, and nesting http://www.html5rocks.com/en/tutorials/flexbox/quick/ http://www.css3.info/preview/multi-column-layout/ http://msdn.microsoft.com/en-us/library/ie/hh673558(v=vs.85).aspx http://dev.w3.org/csswg/css3-grid-layout/ http://dev.w3.org/csswg/css3-regions/   Create an animated and adaptive UI. o This objective may include but is not limited to: animate objects by applying CSS transitions; apply 3-D and 2-D transformations; adjust UI based on media queries (device adaptations for output formats, displays, and representations); hide or disable controls http://www.bloggedbychris.com/2012/09/19/microsoft-exam-70-480-study-guide/   Find elements by using CSS selectors and jQuery. o This objective may include but is not limited to: choose the correct selector to reference an element; define element, style, and attribute selectors; find elements by using pseudo-elements and pseudo-classes (for example, :before, :first-line, :first-letter, :target, :lang, :checked, :first-child) http://www.bloggedbychris.com/2012/09/19/microsoft-exam-70-480-study-guide/   Structure a CSS file by using CSS selectors. o This objective may include but is not limited to: reference elements correctly; implement inheritance; override inheritance by using !important; style an element based on pseudo-elements and pseudo-classes (for example, :before, :first-line, :first-letter, :target, :lang, :checked, :first-child) http://www.bloggedbychris.com/2012/09/19/microsoft-exam-70-480-study-guide/   Technorati Tags: 70-480,CSS3,HTML5,HTML,CSS,JavaScript,Certification

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  • Creating a Dynamic DataRow for easier DataRow Syntax

    - by Rick Strahl
    I've been thrown back into an older project that uses DataSets and DataRows as their entity storage model. I have several applications internally that I still maintain that run just fine (and I sometimes wonder if this wasn't easier than all this ORM crap we deal with with 'newer' improved technology today - but I disgress) but use this older code. For the most part DataSets/DataTables/DataRows are abstracted away in a pseudo entity model, but in some situations like queries DataTables and DataRows are still surfaced to the business layer. Here's an example. Here's a business object method that runs dynamic query and the code ends up looping over the result set using the ugly DataRow Array syntax:public int UpdateAllSafeTitles() { int result = this.Execute("select pk, title, safetitle from " + Tablename + " where EntryType=1", "TPks"); if (result < 0) return result; result = 0; foreach (DataRow row in this.DataSet.Tables["TPks"].Rows) { string title = row["title"] as string; string safeTitle = row["safeTitle"] as string; int pk = (int)row["pk"]; string newSafeTitle = this.GetSafeTitle(title); if (newSafeTitle != safeTitle) { this.ExecuteNonQuery("update " + this.Tablename + " set safeTitle=@safeTitle where pk=@pk", this.CreateParameter("@safeTitle",newSafeTitle), this.CreateParameter("@pk",pk) ); result++; } } return result; } The problem with looping over DataRow objecs is two fold: The array syntax is tedious to type and not real clear to look at, and explicit casting is required in order to do anything useful with the values. I've highlighted the place where this matters. Using the DynamicDataRow class I'll show in a minute this code can be changed to look like this:public int UpdateAllSafeTitles() { int result = this.Execute("select pk, title, safetitle from " + Tablename + " where EntryType=1", "TPks"); if (result < 0) return result; result = 0; foreach (DataRow row in this.DataSet.Tables["TPks"].Rows) { dynamic entry = new DynamicDataRow(row); string newSafeTitle = this.GetSafeTitle(entry.title); if (newSafeTitle != entry.safeTitle) { this.ExecuteNonQuery("update " + this.Tablename + " set safeTitle=@safeTitle where pk=@pk", this.CreateParameter("@safeTitle",newSafeTitle), this.CreateParameter("@pk",entry.pk) ); result++; } } return result; } The code looks much a bit more natural and describes what's happening a little nicer as well. Well, using the new dynamic features in .NET it's actually quite easy to implement the DynamicDataRow class. Creating your own custom Dynamic Objects .NET 4.0 introduced the Dynamic Language Runtime (DLR) and opened up a whole bunch of new capabilities for .NET applications. The dynamic type is an easy way to avoid Reflection and directly access members of 'dynamic' or 'late bound' objects at runtime. There's a lot of very subtle but extremely useful stuff that dynamic does (especially for COM Interop scenearios) but in its simplest form it often allows you to do away with manual Reflection at runtime. In addition you can create DynamicObject implementations that can perform  custom interception of member accesses and so allow you to provide more natural access to more complex or awkward data structures like the DataRow that I use as an example here. Bascially you can subclass DynamicObject and then implement a few methods (TryGetMember, TrySetMember, TryInvokeMember) to provide the ability to return dynamic results from just about any data structure using simple property/method access. In the code above, I created a custom DynamicDataRow class which inherits from DynamicObject and implements only TryGetMember and TrySetMember. Here's what simple class looks like:/// <summary> /// This class provides an easy way to turn a DataRow /// into a Dynamic object that supports direct property /// access to the DataRow fields. /// /// The class also automatically fixes up DbNull values /// (null into .NET and DbNUll to DataRow) /// </summary> public class DynamicDataRow : DynamicObject { /// <summary> /// Instance of object passed in /// </summary> DataRow DataRow; /// <summary> /// Pass in a DataRow to work off /// </summary> /// <param name="instance"></param> public DynamicDataRow(DataRow dataRow) { DataRow = dataRow; } /// <summary> /// Returns a value from a DataRow items array. /// If the field doesn't exist null is returned. /// DbNull values are turned into .NET nulls. /// /// </summary> /// <param name="binder"></param> /// <param name="result"></param> /// <returns></returns> public override bool TryGetMember(GetMemberBinder binder, out object result) { result = null; try { result = DataRow[binder.Name]; if (result == DBNull.Value) result = null; return true; } catch { } result = null; return false; } /// <summary> /// Property setter implementation tries to retrieve value from instance /// first then into this object /// </summary> /// <param name="binder"></param> /// <param name="value"></param> /// <returns></returns> public override bool TrySetMember(SetMemberBinder binder, object value) { try { if (value == null) value = DBNull.Value; DataRow[binder.Name] = value; return true; } catch {} return false; } } To demonstrate the basic features here's a short test: [TestMethod] [ExpectedException(typeof(RuntimeBinderException))] public void BasicDataRowTests() { DataTable table = new DataTable("table"); table.Columns.Add( new DataColumn() { ColumnName = "Name", DataType=typeof(string) }); table.Columns.Add( new DataColumn() { ColumnName = "Entered", DataType=typeof(DateTime) }); table.Columns.Add(new DataColumn() { ColumnName = "NullValue", DataType = typeof(string) }); DataRow row = table.NewRow(); DateTime now = DateTime.Now; row["Name"] = "Rick"; row["Entered"] = now; row["NullValue"] = null; // converted in DbNull dynamic drow = new DynamicDataRow(row); string name = drow.Name; DateTime entered = drow.Entered; string nulled = drow.NullValue; Assert.AreEqual(name, "Rick"); Assert.AreEqual(entered,now); Assert.IsNull(nulled); // this should throw a RuntimeBinderException Assert.AreEqual(entered,drow.enteredd); } The DynamicDataRow requires a custom constructor that accepts a single parameter that sets the DataRow. Once that's done you can access property values that match the field names. Note that types are automatically converted - no type casting is needed in the code you write. The class also automatically converts DbNulls to regular nulls and vice versa which is something that makes it much easier to deal with data returned from a database. What's cool here isn't so much the functionality - even if I'd prefer to leave DataRow behind ASAP -  but the fact that we can create a dynamic type that uses a DataRow as it's 'DataSource' to serve member values. It's pretty useful feature if you think about it, especially given how little code it takes to implement. By implementing these two simple methods we get to provide two features I was complaining about at the beginning that are missing from the DataRow: Direct Property Syntax Automatic Type Casting so no explicit casts are required Caveats As cool and easy as this functionality is, it's important to understand that it doesn't come for free. The dynamic features in .NET are - well - dynamic. Which means they are essentially evaluated at runtime (late bound). Rather than static typing where everything is compiled and linked by the compiler/linker, member invokations are looked up at runtime and essentially call into your custom code. There's some overhead in this. Direct invocations - the original code I showed - is going to be faster than the equivalent dynamic code. However, in the above code the difference of running the dynamic code and the original data access code was very minor. The loop running over 1500 result records took on average 13ms with the original code and 14ms with the dynamic code. Not exactly a serious performance bottleneck. One thing to remember is that Microsoft optimized the DLR code significantly so that repeated calls to the same operations are routed very efficiently which actually makes for very fast evaluation. The bottom line for performance with dynamic code is: Make sure you test and profile your code if you think that there might be a performance issue. However, in my experience with dynamic types so far performance is pretty good for repeated operations (ie. in loops). While usually a little slower the perf hit is a lot less typically than equivalent Reflection work. Although the code in the second example looks like standard object syntax, dynamic is not static code. It's evaluated at runtime and so there's no type recognition until runtime. This means no Intellisense at development time, and any invalid references that call into 'properties' (ie. fields in the DataRow) that don't exist still cause runtime errors. So in the case of the data row you still get a runtime error if you mistype a column name:// this should throw a RuntimeBinderException Assert.AreEqual(entered,drow.enteredd); Dynamic - Lots of uses The arrival of Dynamic types in .NET has been met with mixed emotions. Die hard .NET developers decry dynamic types as an abomination to the language. After all what dynamic accomplishes goes against all that a static language is supposed to provide. On the other hand there are clearly scenarios when dynamic can make life much easier (COM Interop being one place). Think of the possibilities. What other data structures would you like to expose to a simple property interface rather than some sort of collection or dictionary? And beyond what I showed here you can also implement 'Method missing' behavior on objects with InvokeMember which essentially allows you to create dynamic methods. It's all very flexible and maybe just as important: It's easy to do. There's a lot of power hidden in this seemingly simple interface. Your move…© Rick Strahl, West Wind Technologies, 2005-2011Posted in CSharp  .NET   Tweet (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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  • A Closable jQuery Plug-in

    - by Rick Strahl
    In my client side development I deal a lot with content that pops over the main page. Be it data entry ‘windows’ or dialogs or simple pop up notes. In most cases this behavior goes with draggable windows, but sometimes it’s also useful to have closable behavior on static page content that the user can choose to hide or otherwise make invisible or fade out. Here’s a small jQuery plug-in that provides .closable() behavior to most elements by using either an image that is provided or – more appropriately by using a CSS class to define the picture box layout. /* * * Closable * * Makes selected DOM elements closable by making them * invisible when close icon is clicked * * Version 1.01 * @requires jQuery v1.3 or later * * Copyright (c) 2007-2010 Rick Strahl * http://www.west-wind.com/ * * Licensed under the MIT license: * http://www.opensource.org/licenses/mit-license.php Support CSS: .closebox { position: absolute; right: 4px; top: 4px; background-image: url(images/close.gif); background-repeat: no-repeat; width: 14px; height: 14px; cursor: pointer; opacity: 0.60; filter: alpha(opacity="80"); } .closebox:hover { opacity: 0.95; filter: alpha(opacity="100"); } Options: * handle Element to place closebox into (like say a header). Use if main element and closebox container are two different elements. * closeHandler Function called when the close box is clicked. Return true to close the box return false to keep it visible. * cssClass The CSS class to apply to the close box DIV or IMG tag. * imageUrl Allows you to specify an explicit IMG url that displays the close icon. If used bypasses CSS image styling. * fadeOut Optional provide fadeOut speed. Default no fade out occurs */ (function ($) { $.fn.closable = function (options) { var opt = { handle: null, closeHandler: null, cssClass: "closebox", imageUrl: null, fadeOut: null }; $.extend(opt, options); return this.each(function (i) { var el = $(this); var pos = el.css("position"); if (!pos || pos == "static") el.css("position", "relative"); var h = opt.handle ? $(opt.handle).css({ position: "relative" }) : el; var div = opt.imageUrl ? $("<img>").attr("src", opt.imageUrl).css("cursor", "pointer") : $("<div>"); div.addClass(opt.cssClass) .click(function (e) { if (opt.closeHandler) if (!opt.closeHandler.call(this, e)) return; if (opt.fadeOut) $(el).fadeOut(opt.fadeOut); else $(el).hide(); }); if (opt.imageUrl) div.css("background-image", "none"); h.append(div); }); } })(jQuery); The plugin can be applied against any selector that is a container (typically a div tag). The close image or close box is provided typically by way of a CssClass - .closebox by default – which supplies the image as part of the CSS styling. The default styling for the box looks something like this: .closebox { position: absolute; right: 4px; top: 4px; background-image: url(images/close.gif); background-repeat: no-repeat; width: 14px; height: 14px; cursor: pointer; opacity: 0.60; filter: alpha(opacity="80"); } .closebox:hover { opacity: 0.95; filter: alpha(opacity="100"); } Alternately you can also supply an image URL which overrides the background image in the style sheet. I use this plug-in mostly on pop up windows that can be closed, but it’s also quite handy for remove/delete behavior in list displays like this: you can find this sample here to look to play along: http://www.west-wind.com/WestwindWebToolkit/Samples/Ajax/AmazonBooks/BooksAdmin.aspx For closable windows it’s nice to have something reusable because in my client framework there are lots of different kinds of windows that can be created: Draggables, Modal Dialogs, HoverPanels etc. and they all use the client .closable plug-in to provide the closable operation in the same way with a few options. Plug-ins are great for this sort of thing because they can also be aggregated and so different components can pick and choose the behavior they want. The window here is a draggable, that’s closable and has shadow behavior and the server control can simply generate the appropriate plug-ins to apply to the main <div> tag: $().ready(function() { $('#ctl00_MainContent_panEditBook') .closable({ handle: $('#divEditBook_Header') }) .draggable({ dragDelay: 100, handle: '#divEditBook_Header' }) .shadow({ opacity: 0.25, offset: 6 }); }) The window is using the default .closebox style and has its handle set to the header bar (Book Information). The window is just closable to go away so no event handler is applied. Actually I cheated – the actual page’s .closable is a bit more ugly in the sample as it uses an image from a resources file: .closable({ imageUrl: '/WestWindWebToolkit/Samples/WebResource.axd?d=TooLongAndNastyToPrint', handle: $('#divEditBook_Header')}) so you can see how to apply a custom image, which in this case is generated by the server control wrapping the client DragPanel. More interesting maybe is to apply the .closable behavior to list scenarios. For example, each of the individual items in the list display also are .closable using this plug-in. Rather than having to define each item with Html for an image, event handler and link, when the client template is rendered the closable behavior is attached to the list. Here I’m using client-templating and the code that this is done with looks like this: function loadBooks() { showProgress(); // Clear the content $("#divBookListWrapper").empty(); var filter = $("#" + scriptVars.lstFiltersId).val(); Proxy.GetBooks(filter, function(books) { $(books).each(function(i) { updateBook(this); showProgress(true); }); }, onPageError); } function updateBook(book,highlight) { // try to retrieve the single item in the list by tag attribute id var item = $(".bookitem[tag=" +book.Pk +"]"); // grab and evaluate the template var html = parseTemplate(template, book); var newItem = $(html) .attr("tag", book.Pk.toString()) .click(function() { var pk = $(this).attr("tag"); editBook(this, parseInt(pk)); }) .closable({ closeHandler: function(e) { removeBook(this, e); }, imageUrl: "../../images/remove.gif" }); if (item.length > 0) item.after(newItem).remove(); else newItem.appendTo($("#divBookListWrapper")); if (highlight) { newItem .addClass("pulse") .effect("bounce", { distance: 15, times: 3 }, 400); setTimeout(function() { newItem.removeClass("pulse"); }, 1200); } } Here the closable behavior is applied to each of the items along with an event handler, which is nice and easy compared to having to embed the right HTML and click handling into each item in the list individually via markup. Ideally though (and these posts make me realize this often a little late) I probably should set up a custom cssClass to handle the rendering – maybe a CSS class called .removebox that only changes the image from the default box image. This example also hooks up an event handler that is fired in response to the close. In the list I need to know when the remove button is clicked so I can fire of a service call to the server to actually remove the item from the database. The handler code can also return false; to indicate that the window should not be closed optionally. Returning true will close the window. You can find more information about the .closable class behavior and options here: .closable Documentation Plug-ins make Server Control JavaScript much easier I find this plug-in immensely useful especial as part of server control code, because it simplifies the code that has to be generated server side tremendously. This is true of plug-ins in general which make it so much easier to create simple server code that only generates plug-in options, rather than full blocks of JavaScript code.  For example, here’s the relevant code from the DragPanel server control which generates the .closable() behavior: if (this.Closable && !string.IsNullOrEmpty(DragHandleID) ) { string imageUrl = this.CloseBoxImage; if (imageUrl == "WebResource" ) imageUrl = ScriptProxy.GetWebResourceUrl(this, this.GetType(), ControlResources.CLOSE_ICON_RESOURCE); StringBuilder closableOptions = new StringBuilder("imageUrl: '" + imageUrl + "'"); if (!string.IsNullOrEmpty(this.DragHandleID)) closableOptions.Append(",handle: $('#" + this.DragHandleID + "')"); if (!string.IsNullOrEmpty(this.ClientDialogHandler)) closableOptions.Append(",handler: " + this.ClientDialogHandler); if (this.FadeOnClose) closableOptions.Append(",fadeOut: 'slow'"); startupScript.Append(@" .closable({ " + closableOptions + "})"); } The same sort of block is then used for .draggable and .shadow which simply sets options. Compared to the code I used to have in pre-jQuery versions of my JavaScript toolkit this is a walk in the park. In those days there was a bunch of JS generation which was ugly to say the least. I know a lot of folks frown on using server controls, especially the UI is client centric as the example is. However, I do feel that server controls can greatly simplify the process of getting the right behavior attached more easily and with the help of IntelliSense. Often the script markup is easier is especially if you are dealing with complex, multiple plug-in associations that often express more easily with property values on a control. Regardless of whether server controls are your thing or not this plug-in can be useful in many scenarios. Even in simple client-only scenarios using a plug-in with a few simple parameters is nicer and more consistent than creating the HTML markup over and over again. I hope some of you find this even a small bit as useful as I have. Related Links Download jquery.closable West Wind Web Toolkit jQuery Plug-ins © Rick Strahl, West Wind Technologies, 2005-2010Posted in jQuery   ASP.NET  JavaScript  

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  • How to have other divs with a flash liquid layout that fits to the page?

    - by brybam
    Basically the majority of my content is flash based. I designed it using Flash Builder (Flex) and Its in a liquid layout, (everything is in percents) and if im JUST embedding the flash content it scales to the page fine, and i have the flash content set to have a padding of 50 px. I put a header div in fine with no problems, but I have 2 problems, the first being the footer div seems to cover up the buttom of the flash content in IE, but it looks just fine in chrome. How can I solve this? I'm using the stock embed code that Flex provides, I tried to edit the css style for the div which I think is #flashContent and give it a min width and min height but it didnt seem to work, actually anything I did to #flashContent didn't seem to do anything, maybe its not the div i need to be adding that attribute to... And my other problem is I dont even know where to start when it comes to placing a div thats 280width by 600height colum to the right side of the flash content. If i could specify a size for the flash content, and the float it left, and float the colum right, and clear it with the container div id be just fine....But remember the flash content is set to 100% Scale (well techically 100%x80% because it looked better that way). Does anyone know how I can start to deal with creating a more complex scaleable flash layouts that includes other divs? ALL WELL MAINTAINING IE SUPPORT? IE is ruining my life. Here's the code I'm using: (or if it will help you visualize what im trying to do here's the page where im working on setting this up http://apumpkinpatch.com/textmashnew/) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>TextMixup</title> <meta name="google" value="notranslate"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link href="css.css" rel="stylesheet" type="text/css" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script> <script src="../appassets/scripts/jquery.titlealert.js"></script> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-19768131-2']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); function tabNotification() { $.titleAlert('New Message!', {interval:200,requireBlur:true,stopOnFocus:true}); } function joinNotification() { $.titleAlert('Joined Chat!', {interval:200,requireBlur:true,stopOnFocus:true}); } </script> <!-- BEGIN Browser History required section --> <link rel="stylesheet" type="text/css" href="history/history.css" /> <script type="text/javascript" src="history/history.js"></script> <!-- END Browser History required section --> <script type="text/javascript" src="swfobject.js"></script> <script type="text/javascript"> var swfVersionStr = "10.2.0"; var xiSwfUrlStr = "playerProductInstall.swf"; var flashvars = {}; var params = {}; params.quality = "high"; params.bgcolor = "#ffffff"; params.allowscriptaccess = "sameDomain"; params.allowfullscreen = "true"; var attributes = {}; attributes.id = "TextMixup"; attributes.name = "TextMixup"; attributes.align = "middle"; swfobject.embedSWF( "TextMixup.swf", "flashContent", "100%", "80%", swfVersionStr, xiSwfUrlStr, flashvars, params, attributes); swfobject.createCSS("#flashContent", "display:block;text-align:left;"); </script> </head> <body> <div id="homebar"><a href="http://apumpkinpatch.com"><img src="../appassets/images/logo/logoHor_130_30.png" alt="APumpkinPatch HOME" width="130" height="30" hspace="10" vspace="3" border="0"/></a> </div> <div id="topad"> <script type="text/javascript"><!-- google_ad_client = "pub-5824388356626461"; /* 728x90, textmash */ google_ad_slot = "1114351240"; google_ad_width = 728; google_ad_height = 90; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </div> <div id="mainContainer"> <div id="flashContent"> <p> To view this page ensure that Adobe Flash Player version 10.2.0 or greater is installed. </p> <script type="text/javascript"> var pageHost = ((document.location.protocol == "https:") ? "https://" : "http://"); document.write("<a href='http://www.adobe.com/go/getflashplayer'><img src='" + pageHost + "www.adobe.com/images/shared/download_buttons/get_flash_player.gif' alt='Get Adobe Flash player' /></a>" ); </script> </div> <noscript> <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="80%" id="TextMixup"> <param name="movie" value="TextMixup.swf" /> <param name="quality" value="high" /> <param name="bgcolor" value="#ffffff" /> <param name="allowScriptAccess" value="sameDomain" /> <param name="allowFullScreen" value="true" /> <!--[if !IE]>--> <object type="application/x-shockwave-flash" data="TextMixup.swf" width="100%" height="80%"> <param name="quality" value="high" /> <param name="bgcolor" value="#ffffff" /> <param name="allowScriptAccess" value="sameDomain" /> <param name="allowFullScreen" value="true" /> <!--<![endif]--> <!--[if gte IE 6]>--> <p> Either scripts and active content are not permitted to run or Adobe Flash Player version 10.2.0 or greater is not installed. </p> <!--<![endif]--> <a href="http://www.adobe.com/go/getflashplayer"> <img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash Player" /> </a> <!--[if !IE]>--> </object> <!--<![endif]--> </object> </noscript> <div id="convosPreview">This is a div I would want to appear as a colum to the right of the flash content that can scale</div> <!---End mainContainer --> </div> <div id="footer"> <a href="../apps.html"><img src="../appassets/images/apps.png" hspace="5" vspace="5" alt="random chat app apumpkinpatch" width="228" height="40" border="0" /></a><a href="https://chrome.google.com/webstore/detail/hjmnobclpbhnjcpdnpdnkbgdkbfifbao?hl=en-US#"><img src="../appassets/images/chromeapp.png" alt="chrome app random video chat apumpkinpatch" width="115" height="40" vspace="5" border="0" /></a><br /><br /> <a href="http://spacebarup.com" target="_blank">©2011 Space Bar</a> | <a href="../tos.html">TOS & Privacy Policy</a> | <a href="../help.html">FAQ & Help</a> | <a href="../tips.html">Important online safety tips</a> | <a href="http://www.facebook.com/pages/APumpkinPatchcom/164279206963001?sk=app_2373072738" target="_blank">Discussion Boards</a><br /> <p>You must be at least 18 years of age to access this web site.<br />APumpkinPatch.com is not responsible for the actions of any visitors of this site.<br />APumpkinPatch.com does not endorse or claim ownership to any of the content that is broadcast through this site. </p><h2>A Pumpkin Patch is BRAND NEW and will be developed a lot over the next few months adding video chat games, chat rooms, and more! Check back often it's going to be a lot of fun!</h2> </div> </body> </html> myCSS: html, body { height:100%; } body { text-align:center; font-family: Helvetica, Arial, sans-serif; margin:0; padding:0; overflow:auto; text-align:center; background-color: #ffffff; } object:focus { outline:none; } #homebar { clear:both; text-align: left; width: 100%; height: 40px; background-color:#333333; color:#CCC; overflow:hidden; box-shadow: 0px 0px 14px rgba(0, 0, 0, 0.65); -moz-box-shadow: 0px 0px 14px rgba(0, 0, 0, 0.65); -webkit-box-shadow: 0px 0px 14px rgba(0, 0, 0, 0.65); margin-bottom: 10px; } #mainContainer { height:auto; width:auto; clear:both; } #flashContent { display:none; height:auto; float:left; min-height: 500px; min-width: 340px; } /**this is the div i want to appear as a column net to the scaleable flash content **/ #convosPreview { float:right; width:280px; height:600px; }

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  • Menu widget - no jQuery nor Javascript required - pure CSS

    - by Renso
    Goal: Create a menu widget that does not require any javascript, extremely lightweight, very fast, soley based on CSS, compatible with FireFox and Chrome. Issues: May have some rendering issues in some versions of IE, sorry :-) Instruments: css file html with specific menu format jQuery-ui library - optional if you want to use your own images/colors Implementation Details: HTML: <div id="header">   <div id="header_Menubar">     <ul class="linkList0 ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">         <li class="first more ui-state-default ui-corner-top ui-tabs-selected"><a title="Home" href="/Home">Home</a>             <ul class="linkList01 ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">                 <li class="ifirst ui-state-default ui-corner-top"><abbr title="Go Home"></abbr><a title="Home" href="/Home">Home</a></li>             </ul>         </li>         <li class="more ui-state-default ui-corner-top ui-tabs-selected"><a title="Menu 2" href="/Menu2a">Menu 2</a>             <ul class="linkList01 ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">                 <li class="ifirst ui-state-default ui-corner-top"><abbr title="Menu 2 a"></abbr><a title="Menu 2 a" href="/Menu2a">Menu 2 a</a></li>                 <li class="ilast ui-state-default ui-corner-top"><abbr title="Menu 2 b"></abbr><a title="Menu 2 b" href="/Menu2b">Menu 2 b</a></li>             </ul>         </li>         <li class="more red ui-state-default ui-corner-top ui-tabs-selected"><a title="Menu 3" href="/Menu3 d">Menu 3</a>             <ul class="linkList01 ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all">                 <li class="ifirst ui-state-default ui-corner-top"><abbr title="Menu 3 a"><a title="Menu 3 a" href="/Menu3a">Menu 3 a</a></abbr></li>                 <li class="ui-state-default ui-corner-top"><abbr title="Menu 3 b"><a title="Menu 3 b" href="/Menu3b">Menu 3 b</a></abbr></li>                 <li class="ui-state-default ui-corner-top"><abbr title="Menu 3 c"><a title="Menu 3 c" href="/Menu3c">Menu 3 c</a></abbr></li>                 <li class="ilast ui-state-default ui-corner-top"><abbr title="Menu 3 d"><a title="Menu 3 d" href="/Menu3d">Menu 3 d</a></abbr></li>             </ul>         </li>     </ul>     </div> </div> CSS: /*    =Menu     -----------------------------------------------------------------------------------------    */ #header #header_Menubar {     margin: 0;     padding: 0;     border: 0;     width: 100%;     height: 22px; } #header {     background-color: #99cccc;     background-color: #aaccee;     background-color: #5BA3E0;     background-color: #006cb1; } /* Set menu bar background color     */ #header #header_Menubar {     background-attachment: scroll;     background-position: left center;     background-repeat: repeat-x; } /*    Set main (horizontal) menu typology    */ #header .linkList0 {     padding: 0 0 1em 0;     margin-bottom: 1em;     font-family: 'Trebuchet MS', 'Lucida Grande',           Verdana, Lucida, Geneva, Helvetica,           Arial, sans-serif;     font-weight: bold;     font-size: 1.085em;     font-size: 1em; } /*    Set all ul properties    */ #header .linkList0, #header .linkList0 ul {     list-style: none;     margin: 0;     padding: 0;     list-style-position: outside; } /*    Set all li properties    */ #header .linkList0 > li {     float: left;     position: relative;     font-size: 90%;     margin: 0 0 -1px;     width: 9.7em;     padding-right: 2em;     z-index: 100;    /*IE7:    Fix for IE7 hiding drop down list behind some other page elements    */ } /*    Set all li properties    */ #header .linkList01 > li {     width: 190px; } #header .linkList0 .linkList01 li {     margin-left: 0px; } /*    Set all list background image properties    */ /*#header .linkList0 li a {     background-position: left center;     background-image: url(  '../Content/Images/VerticalButtonBarGradientFade.png' );     background-repeat: repeat-x;     background-attachment: scroll; }*/ /*    Set all A ancor properties    */ #header .linkList0 li a {     display: block;     text-decoration: none;     line-height: 22px; } /*    IE7: Fix for a bug in IE7 where the margins between list items is doubled - need to set height explicitly    */ *+html #header .linkList0 ul li {     height: auto;     margin-bottom: -.3em; } /*    Menu:    Set different borders for different nested level lists     --------------------------------------------------------------    */ #header .linkList0 > li a {     border-left: 10px solid Transparent;     border-right: none; } #header .linkList0 > li a {     border-left: 0px;     margin-left: 0px;     border-right: none; } #header .linkList0 .linkList01 > li a {     border-left: 8px solid #336699;     border-right: none;     border: 1px solid Transparent;     -moz-border-radius: 5px 5px 5px 5px;     -moz-box-shadow: 3px 3px 4px #696969; } #header .linkList0 .linkList01 .linkList001 > li a {     border-left: 6px solid #336699;     border-right: none;     border: 1px solid Transparent;     -moz-border-radius: 5px 5px 5px 5px;     -moz-box-shadow: 3px 3px 4px #696969; } #header .linkList0 .linkList01 .linkList001 .linkList0001 > li a {     border-left: 4px solid #336699;     border-right: none;     border: 1px solid Transparent;     -moz-border-radius: 5px 5px 5px 5px;     -moz-box-shadow: 3px 3px 4px #696969; }     /*    Link and Visited pseudo-class settings for all lists (ul)    */ #header .linkList0 a:link, #header .linkList0 a:visited {     display: block;     text-decoration: none;     padding-left: 1em; } /*    Hide all the nested/sub menu items    */ #header .linkList0 ul {     display: none;     padding: 0;     position: absolute;    /*Important: must not impede on other page elements when drop down opens up    */ } /*    Hide all detail popups    */ #header .detailPopup {     display: none; } /*    Set the typology of all sub-menu list items li    */ /*#header .linkList0 ul li {     background-color: #AACCEE;     background-position: left center;     background-image: url(  '../Content/Images/VerticalButtonBarGradientFade.png' );     background-repeat: repeat-x;     background-attachment: scroll; }*/ #header .linkList0 ul li.more {     background: Transparent url('../Content/Images/ArrowRight.gif') no-repeat right center; } /*    Header list's margin and padding for all list items    */ #header .linkList0 ul li {     margin: 0 0 0 1em;     padding: 0; } #header .linkList01 ul li {     margin: 0;     padding: 0;     width: 189px; } /*    Set margins for the third li sibling (Plan a Call) to display to the right of the parent menu     to avoid the sub-menu overlaying the menu items below    */ #header .linkList0 li.more .linkList01 li.more > ul.linkList001 {     margin: -1.7em 0 0 13.2em;    /*Important, must be careful, if tbe EM since gap increases too much bewteen nested lists the gap will make the nested-list collapse prematurely    */ } /*    Set right hand arrow for list items with sub-menus (class-more)    */ #header li.more {     background: Transparent url('../Content/Images/ArrowRight.gif') no-repeat right center;     padding-right: 48px; } /*    Menu:    Dynamic Behavior of menu items (hover, visted, etc)     -----------------------------------------------------------    */ #header .linkList0 li a:link, #header .linkList01 li a:link {     display: block; } #header .linkList0 li a:visited, #header .linkList01 li a:visited {     display: block; } #header .linkList0 > li:hover { } #header .linkList01 > li:hover a ,#header .linkList001 > li:hover a {     text-decoration: underline; } #header .linkList0 > li abbr:hover span.detailPopup {     display: block;     position: absolute;     top: 1em;     left: 17em;     border: double 1px #696969;     border-style: outset;     width: 120%;     height: auto;     padding: 5px;     font-weight: 100; } #header .linkList0 > li:hover ,#header .linkList0 .linkList01 > li:hover { } #header .linkList0 .linkList01 .linkList001 > li:hover { } #header .linkList0 .linkList01 .linkList001 .linkList0001 > li:hover { } /*    Display the hidden sub menu when hovering over the parent ul's li    */ #header .linkList0 li:hover > ul {     display: block; } /*    Display the hidden sub menu when hovering over the parent ul's li    */ #header .linkList0 .linkList01 li:hover > ul {     display: block;         background: -moz-linear-gradient(top, #1E83CC, #619FCD);     /* Chrome, Safari:*/     background: -webkit-gradient(linear,                 center top, center bottom, from(#1E83CC), to(#619FCD)); } /*    Display the hidden sub menu when hovering over the parent ul's li    */ #header .linkList0 .linkList01 .linkList001 li:hover > ul {     display: block; } /*    Set right hand arrow for list items with sub-menus (class-more) on hover    */ #header li.more:hover { } Also some CSS for global settings that will affect this menu, you of course will have some other styling, but included it here so you can see how/why some css properties were set here: /* Neutralize styling:    Elements we want to clean out entirely: */ html, body {     margin: 0;     padding: 0;     font: 62.5%/120% Verdana, Arial, Helvetica, sans-serif; } /* Neutralize styling:    Elements with a vertical margin: */ h1, h2, h3, h4, h5, h6, p, pre, blockquote, ul, ol, dl, address {     margin: 0;    /*    most browsers set some default value that is not shared by all browsers    */     padding: 0;        /*    some borowsers default padding, set to 0 for all    */ } /* Apply left margin:    Only to the few elements that need it: */ li, dd, blockquote {     margin-left: 1em; }

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  • Weird CSS-behaviour [migrated]

    - by WMRKameleon
    <!DOCTYPE html> <html> <head> <title>PakHet</title> <link rel="stylesheet" type="text/css" href="css/basis.css" /> </head> <body> <div class="wrapper"> <div id='cssmenu'> <ul> <li class="active"><a href='index.html'><span>Start</span></a></li> <li><a href='pakhet.html'><span>Over PakHet</span></a></li> <li><a href='overons.html'><span>Over Ons</span></a></li> <li class='has-sub '><a href='#'><span>Uw pakket</span></a> <ul> <li><a href='aanmelden.php'><span>Aanmelden</span></a></li> <li><a href='traceren.php'><span>Traceren</span></a></li> </ul> </li> </ul> </div> <div class="header"> <h1>Hier komt de titel van de website</h1> </div> <div class="content"> <p>Dit is de tekst van de content. Dit is de indexpagina.</p> </div> </div> </body> </html> And this is the CSS: /* CSS RESET */ html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video, *{ margin: 0; padding: 0; border: 0; vertical-align: baseline; } table { border-collapse: collapse; border-spacing: 0; } /* Einde CSS RESET, nu echte code */ html, body{ background:url(../images/bg_picture.jpg) fixed no-repeat; } .wrapper{ margin:0 auto; } .header{ margin:0 auto; background-color:rgba(0, 0, 0, 0.4); } .content{ background-color:rgba(0, 0, 0, 0.4); width:600px; margin:0 auto; margin-top:50px; } .content p{ color:white; text-shadow:1px 1px 0 rgba(0,0,0, 0.5); font-family:"Lucida Grande", sans-serif; } #cssmenu{ height:37px; display:block; padding:0; margin: 0; border:1px solid; } #cssmenu > ul {list-style:inside none; padding:0; margin:0;} #cssmenu > ul > li {list-style:inside none; padding:0; margin:0; float:left; display:block; position:relative;} #cssmenu > ul > li > a{ outline:none; display:block; position:relative; padding:12px 20px; font:bold 13px/100% "Lucida Grande", Helvetica, sans-serif; text-align:center; text-decoration:none; text-shadow:1px 1px 0 rgba(0,0,0, 0.4); } #cssmenu > ul > li:first-child > a{border-radius:5px 0 0 5px;} #cssmenu > ul > li > a:after{ content:''; position:absolute; border-right:1px solid; top:-1px; bottom:-1px; right:-2px; z-index:99; } #cssmenu ul li.has-sub:hover > a:after{top:0; bottom:0;} #cssmenu > ul > li.has-sub > a:before{ content:''; position:absolute; top:18px; right:6px; border:5px solid transparent; border-top:5px solid #fff; } #cssmenu > ul > li.has-sub:hover > a:before{top:19px;} #cssmenu ul li.has-sub:hover > a{ background:#3f3f3f; border-color:#3f3f3f; padding-bottom:13px; padding-top:13px; top:-1px; z-index:999; } #cssmenu ul li.has-sub:hover > ul, #cssmenu ul li.has-sub:hover > div{display:block;} #cssmenu ul li.has-sub > a:hover{background:#3f3f3f; border-color:#3f3f3f;} #cssmenu ul li > ul, #cssmenu ul li > div{ display:none; width:auto; position:absolute; top:38px; padding:10px 0; background:#3f3f3f; border-radius:0 0 5px 5px; z-index:999; } #cssmenu ul li > ul{width:200px;} #cssmenu ul li > ul li{display:block; list-style:inside none; padding:0; margin:0; position:relative;} #cssmenu ul li > ul li a{ outline:none; display:block; position:relative; margin:0; padding:8px 20px; font:10pt "Lucida Grande", Helvetica, sans-serif; color:#fff; text-decoration:none; text-shadow:1px 1px 0 rgba(0,0,0, 0.5); } #cssmenu, #cssmenu > ul > li > ul > li a:hover{ background:#333333; background:-moz-linear-gradient(top, #333333 0%, #222222 100%); background:-webkit-gradient(linear, left top, left bottom, color-stop(0%,#333333), color-stop(100%,#222222)); background:-webkit-linear-gradient(top, #333333 0%,#222222 100%); background:-o-linear-gradient(top, #333333 0%,#222222 100%); background:-ms-linear-gradient(top, #333333 0%,#222222 100%); background:linear-gradient(top, #333333 0%,#222222 100%); filter:progid:DXImageTransform.Microsoft.gradient( startColorstr='#333333', endColorstr='#222222',GradientType=0 ); } #cssmenu{border-color:#000;} #cssmenu > ul > li > a{border-right:1px solid #000; color:#fff;} #cssmenu > ul > li > a:after{border-color:#444;} #cssmenu > ul > li > a:hover{background:#111;} #cssmenu > ul > li.active > a{ color:orange; } .header{ clear:both; } The problem is that, whenever I hover on the dropdown-menu, that a 1px margin appears in between the menu and the header. Can I solve that? I can't seem to find the solution.

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  • A Closable jQuery Plug-in

    - by Rick Strahl
    In my client side development I deal a lot with content that pops over the main page. Be it data entry ‘windows’ or dialogs or simple pop up notes. In most cases this behavior goes with draggable windows, but sometimes it’s also useful to have closable behavior on static page content that the user can choose to hide or otherwise make invisible or fade out. Here’s a small jQuery plug-in that provides .closable() behavior to most elements by using either an image that is provided or – more appropriately by using a CSS class to define the picture box layout. /* * * Closable * * Makes selected DOM elements closable by making them * invisible when close icon is clicked * * Version 1.01 * @requires jQuery v1.3 or later * * Copyright (c) 2007-2010 Rick Strahl * http://www.west-wind.com/ * * Licensed under the MIT license: * http://www.opensource.org/licenses/mit-license.php Support CSS: .closebox { position: absolute; right: 4px; top: 4px; background-image: url(images/close.gif); background-repeat: no-repeat; width: 14px; height: 14px; cursor: pointer; opacity: 0.60; filter: alpha(opacity="80"); } .closebox:hover { opacity: 0.95; filter: alpha(opacity="100"); } Options: * handle Element to place closebox into (like say a header). Use if main element and closebox container are two different elements. * closeHandler Function called when the close box is clicked. Return true to close the box return false to keep it visible. * cssClass The CSS class to apply to the close box DIV or IMG tag. * imageUrl Allows you to specify an explicit IMG url that displays the close icon. If used bypasses CSS image styling. * fadeOut Optional provide fadeOut speed. Default no fade out occurs */ (function ($) { $.fn.closable = function (options) { var opt = { handle: null, closeHandler: null, cssClass: "closebox", imageUrl: null, fadeOut: null }; $.extend(opt, options); return this.each(function (i) { var el = $(this); var pos = el.css("position"); if (!pos || pos == "static") el.css("position", "relative"); var h = opt.handle ? $(opt.handle).css({ position: "relative" }) : el; var div = opt.imageUrl ? $("<img>").attr("src", opt.imageUrl).css("cursor", "pointer") : $("<div>"); div.addClass(opt.cssClass) .click(function (e) { if (opt.closeHandler) if (!opt.closeHandler.call(this, e)) return; if (opt.fadeOut) $(el).fadeOut(opt.fadeOut); else $(el).hide(); }); if (opt.imageUrl) div.css("background-image", "none"); h.append(div); }); } })(jQuery); The plugin can be applied against any selector that is a container (typically a div tag). The close image or close box is provided typically by way of a CssClass - .closebox by default – which supplies the image as part of the CSS styling. The default styling for the box looks something like this: .closebox { position: absolute; right: 4px; top: 4px; background-image: url(images/close.gif); background-repeat: no-repeat; width: 14px; height: 14px; cursor: pointer; opacity: 0.60; filter: alpha(opacity="80"); } .closebox:hover { opacity: 0.95; filter: alpha(opacity="100"); } Alternately you can also supply an image URL which overrides the background image in the style sheet. I use this plug-in mostly on pop up windows that can be closed, but it’s also quite handy for remove/delete behavior in list displays like this: you can find this sample here to look to play along: http://www.west-wind.com/WestwindWebToolkit/Samples/Ajax/AmazonBooks/BooksAdmin.aspx For closable windows it’s nice to have something reusable because in my client framework there are lots of different kinds of windows that can be created: Draggables, Modal Dialogs, HoverPanels etc. and they all use the client .closable plug-in to provide the closable operation in the same way with a few options. Plug-ins are great for this sort of thing because they can also be aggregated and so different components can pick and choose the behavior they want. The window here is a draggable, that’s closable and has shadow behavior and the server control can simply generate the appropriate plug-ins to apply to the main <div> tag: $().ready(function() { $('#ctl00_MainContent_panEditBook') .closable({ handle: $('#divEditBook_Header') }) .draggable({ dragDelay: 100, handle: '#divEditBook_Header' }) .shadow({ opacity: 0.25, offset: 6 }); }) The window is using the default .closebox style and has its handle set to the header bar (Book Information). The window is just closable to go away so no event handler is applied. Actually I cheated – the actual page’s .closable is a bit more ugly in the sample as it uses an image from a resources file: .closable({ imageUrl: '/WestWindWebToolkit/Samples/WebResource.axd?d=TooLongAndNastyToPrint', handle: $('#divEditBook_Header')}) so you can see how to apply a custom image, which in this case is generated by the server control wrapping the client DragPanel. More interesting maybe is to apply the .closable behavior to list scenarios. For example, each of the individual items in the list display also are .closable using this plug-in. Rather than having to define each item with Html for an image, event handler and link, when the client template is rendered the closable behavior is attached to the list. Here I’m using client-templating and the code that this is done with looks like this: function loadBooks() { showProgress(); // Clear the content $("#divBookListWrapper").empty(); var filter = $("#" + scriptVars.lstFiltersId).val(); Proxy.GetBooks(filter, function(books) { $(books).each(function(i) { updateBook(this); showProgress(true); }); }, onPageError); } function updateBook(book,highlight) { // try to retrieve the single item in the list by tag attribute id var item = $(".bookitem[tag=" +book.Pk +"]"); // grab and evaluate the template var html = parseTemplate(template, book); var newItem = $(html) .attr("tag", book.Pk.toString()) .click(function() { var pk = $(this).attr("tag"); editBook(this, parseInt(pk)); }) .closable({ closeHandler: function(e) { removeBook(this, e); }, imageUrl: "../../images/remove.gif" }); if (item.length > 0) item.after(newItem).remove(); else newItem.appendTo($("#divBookListWrapper")); if (highlight) { newItem .addClass("pulse") .effect("bounce", { distance: 15, times: 3 }, 400); setTimeout(function() { newItem.removeClass("pulse"); }, 1200); } } Here the closable behavior is applied to each of the items along with an event handler, which is nice and easy compared to having to embed the right HTML and click handling into each item in the list individually via markup. Ideally though (and these posts make me realize this often a little late) I probably should set up a custom cssClass to handle the rendering – maybe a CSS class called .removebox that only changes the image from the default box image. This example also hooks up an event handler that is fired in response to the close. In the list I need to know when the remove button is clicked so I can fire of a service call to the server to actually remove the item from the database. The handler code can also return false; to indicate that the window should not be closed optionally. Returning true will close the window. You can find more information about the .closable class behavior and options here: .closable Documentation Plug-ins make Server Control JavaScript much easier I find this plug-in immensely useful especial as part of server control code, because it simplifies the code that has to be generated server side tremendously. This is true of plug-ins in general which make it so much easier to create simple server code that only generates plug-in options, rather than full blocks of JavaScript code.  For example, here’s the relevant code from the DragPanel server control which generates the .closable() behavior: if (this.Closable && !string.IsNullOrEmpty(DragHandleID) ) { string imageUrl = this.CloseBoxImage; if (imageUrl == "WebResource" ) imageUrl = ScriptProxy.GetWebResourceUrl(this, this.GetType(), ControlResources.CLOSE_ICON_RESOURCE); StringBuilder closableOptions = new StringBuilder("imageUrl: '" + imageUrl + "'"); if (!string.IsNullOrEmpty(this.DragHandleID)) closableOptions.Append(",handle: $('#" + this.DragHandleID + "')"); if (!string.IsNullOrEmpty(this.ClientDialogHandler)) closableOptions.Append(",handler: " + this.ClientDialogHandler); if (this.FadeOnClose) closableOptions.Append(",fadeOut: 'slow'"); startupScript.Append(@" .closable({ " + closableOptions + "})"); } The same sort of block is then used for .draggable and .shadow which simply sets options. Compared to the code I used to have in pre-jQuery versions of my JavaScript toolkit this is a walk in the park. In those days there was a bunch of JS generation which was ugly to say the least. I know a lot of folks frown on using server controls, especially the UI is client centric as the example is. However, I do feel that server controls can greatly simplify the process of getting the right behavior attached more easily and with the help of IntelliSense. Often the script markup is easier is especially if you are dealing with complex, multiple plug-in associations that often express more easily with property values on a control. Regardless of whether server controls are your thing or not this plug-in can be useful in many scenarios. Even in simple client-only scenarios using a plug-in with a few simple parameters is nicer and more consistent than creating the HTML markup over and over again. I hope some of you find this even a small bit as useful as I have. Related Links Download jquery.closable West Wind Web Toolkit jQuery Plug-ins © Rick Strahl, West Wind Technologies, 2005-2010Posted in jQuery   ASP.NET  JavaScript  

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  • C#/.NET Little Wonders: Use Cast() and TypeOf() to Change Sequence Type

    - by James Michael Hare
    Once again, in this series of posts I look at the parts of the .NET Framework that may seem trivial, but can help improve your code by making it easier to write and maintain. The index of all my past little wonders posts can be found here. We’ve seen how the Select() extension method lets you project a sequence from one type to a new type which is handy for getting just parts of items, or building new items.  But what happens when the items in the sequence are already the type you want, but the sequence itself is typed to an interface or super-type instead of the sub-type you need? For example, you may have a sequence of Rectangle stored in an IEnumerable<Shape> and want to consider it an IEnumerable<Rectangle> sequence instead.  Today we’ll look at two handy extension methods, Cast<TResult>() and OfType<TResult>() which help you with this task. Cast<TResult>() – Attempt to cast all items to type TResult So, the first thing we can do would be to attempt to create a sequence of TResult from every item in the source sequence.  Typically we’d do this if we had an IEnumerable<T> where we knew that every item was actually a TResult where TResult inherits/implements T. For example, assume the typical Shape example classes: 1: // abstract base class 2: public abstract class Shape { } 3:  4: // a basic rectangle 5: public class Rectangle : Shape 6: { 7: public int Widtgh { get; set; } 8: public int Height { get; set; } 9: } And let’s assume we have a sequence of Shape where every Shape is a Rectangle… 1: var shapes = new List<Shape> 2: { 3: new Rectangle { Width = 3, Height = 5 }, 4: new Rectangle { Width = 10, Height = 13 }, 5: // ... 6: }; To get the sequence of Shape as a sequence of Rectangle, of course, we could use a Select() clause, such as: 1: // select each Shape, cast it to Rectangle 2: var rectangles = shapes 3: .Select(s => (Rectangle)s) 4: .ToList(); But that’s a bit verbose, and fortunately there is already a facility built in and ready to use in the form of the Cast<TResult>() extension method: 1: // cast each item to Rectangle and store in a List<Rectangle> 2: var rectangles = shapes 3: .Cast<Rectangle>() 4: .ToList(); However, we should note that if anything in the list cannot be cast to a Rectangle, you will get an InvalidCastException thrown at runtime.  Thus, if our Shape sequence had a Circle in it, the call to Cast<Rectangle>() would have failed.  As such, you should only do this when you are reasonably sure of what the sequence actually contains (or are willing to handle an exception if you’re wrong). Another handy use of Cast<TResult>() is using it to convert an IEnumerable to an IEnumerable<T>.  If you look at the signature, you’ll see that the Cast<TResult>() extension method actually extends the older, object-based IEnumerable interface instead of the newer, generic IEnumerable<T>.  This is your gateway method for being able to use LINQ on older, non-generic sequences.  For example, consider the following: 1: // the older, non-generic collections are sequence of object 2: var shapes = new ArrayList 3: { 4: new Rectangle { Width = 3, Height = 13 }, 5: new Rectangle { Width = 10, Height = 20 }, 6: // ... 7: }; Since this is an older, object based collection, we cannot use the LINQ extension methods on it directly.  For example, if I wanted to query the Shape sequence for only those Rectangles whose Width is > 5, I can’t do this: 1: // compiler error, Where() operates on IEnumerable<T>, not IEnumerable 2: var bigRectangles = shapes.Where(r => r.Width > 5); However, I can use Cast<Rectangle>() to treat my ArrayList as an IEnumerable<Rectangle> and then do the query! 1: // ah, that’s better! 2: var bigRectangles = shapes.Cast<Rectangle>().Where(r => r.Width > 5); Or, if you prefer, in LINQ query expression syntax: 1: var bigRectangles = from s in shapes.Cast<Rectangle>() 2: where s.Width > 5 3: select s; One quick warning: Cast<TResult>() only attempts to cast, it won’t perform a cast conversion.  That is, consider this: 1: var intList = new List<int> { 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 }; 2:  3: // casting ints to longs, this should work, right? 4: var asLong = intList.Cast<long>().ToList(); Will the code above work?  No, you’ll get a InvalidCastException. Remember that Cast<TResult>() is an extension of IEnumerable, thus it is a sequence of object, which means that it will box every int as an object as it enumerates over it, and there is no cast conversion from object to long, and thus the cast fails.  In other words, a cast from int to long will succeed because there is a conversion from int to long.  But a cast from int to object to long will not, because you can only unbox an item by casting it to its exact type. For more information on why cast-converting boxed values doesn’t work, see this post on The Dangers of Casting Boxed Values (here). OfType<TResult>() – Filter sequence to only items of type TResult So, we’ve seen how we can use Cast<TResult>() to change the type of our sequence, when we expect all the items of the sequence to be of a specific type.  But what do we do when a sequence contains many different types, and we are only concerned with a subset of a given type? For example, what if a sequence of Shape contains Rectangle and Circle instances, and we just want to select all of the Rectangle instances?  Well, let’s say we had this sequence of Shape: 1: var shapes = new List<Shape> 2: { 3: new Rectangle { Width = 3, Height = 5 }, 4: new Rectangle { Width = 10, Height = 13 }, 5: new Circle { Radius = 10 }, 6: new Square { Side = 13 }, 7: // ... 8: }; Well, we could get the rectangles using Select(), like: 1: var onlyRectangles = shapes.Where(s => s is Rectangle).ToList(); But fortunately, an easier way has already been written for us in the form of the OfType<T>() extension method: 1: // returns only a sequence of the shapes that are Rectangles 2: var onlyRectangles = shapes.OfType<Rectangle>().ToList(); Now we have a sequence of only the Rectangles in the original sequence, we can also use this to chain other queries that depend on Rectangles, such as: 1: // select only Rectangles, then filter to only those more than 2: // 5 units wide... 3: var onlyBigRectangles = shapes.OfType<Rectangle>() 4: .Where(r => r.Width > 5) 5: .ToList(); The OfType<Rectangle>() will filter the sequence to only the items that are of type Rectangle (or a subclass of it), and that results in an IEnumerable<Rectangle>, we can then apply the other LINQ extension methods to query that list further. Just as Cast<TResult>() is an extension method on IEnumerable (and not IEnumerable<T>), the same is true for OfType<T>().  This means that you can use OfType<TResult>() on object-based collections as well. For example, given an ArrayList containing Shapes, as below: 1: // object-based collections are a sequence of object 2: var shapes = new ArrayList 3: { 4: new Rectangle { Width = 3, Height = 5 }, 5: new Rectangle { Width = 10, Height = 13 }, 6: new Circle { Radius = 10 }, 7: new Square { Side = 13 }, 8: // ... 9: }; We can use OfType<Rectangle> to filter the sequence to only Rectangle items (and subclasses), and then chain other LINQ expressions, since we will then be of type IEnumerable<Rectangle>: 1: // OfType() converts the sequence of object to a new sequence 2: // containing only Rectangle or sub-types of Rectangle. 3: var onlyBigRectangles = shapes.OfType<Rectangle>() 4: .Where(r => r.Width > 5) 5: .ToList(); Summary So now we’ve seen two different ways to get a sequence of a superclass or interface down to a more specific sequence of a subclass or implementation.  The Cast<TResult>() method casts every item in the source sequence to type TResult, and the OfType<TResult>() method selects only those items in the source sequence that are of type TResult. You can use these to downcast sequences, or adapt older types and sequences that only implement IEnumerable (such as DataTable, ArrayList, etc.). Technorati Tags: C#,CSharp,.NET,LINQ,Little Wonders,TypeOf,Cast,IEnumerable<T>

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  • Google maps api v3 refreshing away markers

    - by Paul Peelen
    Hi, I am having problems with the google maps API V3. It seems that every time I load my page the maps load (including the markers) and then it does a quick reload and removes all the markers. Am I missing somehting? What am I doing wrong? Here is an example: http://www.PaulPeelen.com/wp-content/uploads/2010/04/SafariScreenSnapz001.mov this is my code: <script type="text/javascript"> <!-- var hash = "{{$sHashLocal}}"; var webroot = "{{$webroot}}"; var map; function initialize() { var latlng = new google.maps.LatLng(59.32045, 18.066902); var myOptions = { zoom: 13, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); return map; } function getMarkerInfo (infowindow, rack_id) { // Get all the racks $.ajax({ type: "GET", url: webroot+"ajax/getRack/"+hash+"/"+rack_id, cache: false, dataType: "html", success: function(html) { $("#rack_"+rack_id).html(); infowindow.setContent(html); } }); } $(document).ready(function () { map = initialize(); function attachSecretMessage(marker, rack_id) { var infowindow = new google.maps.InfoWindow({ size: new google.maps.Size(50,50) }); google.maps.event.addListener(marker, 'click', function(){ var ret = '<div id="rack_'+rack_id+'" class="rackDiv"><div class="rackDivLoading"><img src="theme/images/loader-small.gif" border="0"/><span>Hämtar data</span></div></div>'; infowindow.setContent(ret); infowindow.open(map,marker); getMarkerInfo(infowindow,rack_id); }); } function addPlacemark (lat,lng,title, rack_id) { var image = new google.maps.MarkerImage('http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png', new google.maps.Size(32, 32), new google.maps.Point(0,0), new google.maps.Point(0, 32)); var shadow = new google.maps.MarkerImage('http://maps.google.com/mapfiles/shadow50.png', new google.maps.Size(37, 34), new google.maps.Point(0,0), new google.maps.Point(-4, 34)); var location = new google.maps.LatLng(lat,lng); var marker = new google.maps.Marker({ position: location, map: map, icon: image, shadow: shadow}); marker.setTitle(title); attachSecretMessage(marker, rack_id); } // Get all the racks $.ajax({ type: "GET", url: webroot+"ajax/getRacks/"+hash, cache: false, dataType: "xml", success: function(xml) { // Add the results $(xml).find("station").each(function () { rack_id = $(this).find("rack_id").text(); title = $(this).find("description").text(); longitute = parseFloat($(this).find("longitute").text()); latitude = parseFloat($(this).find("latitude").text()); addPlacemark(latitude, longitute, title, rack_id); }); } }); $("#addMark").click(function () { addPlacemark (59.32045, 18.066902); }); // Set size setPageSize(); }); //--> </script> I hope somebody can help me. Best regards, Paul Peelen

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  • Draw Circle on the Map once the application gets loaded

    - by TechGeeky
    Background:- In my application what is happening currently- Whenever I am opening the application, In the top half of the android screen, it draws a Map and in the bottom half of the android screen it show's a list view. And then as soon as the location gets changed, it draw's a Circle with the current location as the center of the circle and show's an image at the current location(center of circle). Everything is working fine till here- Problem Statement:- What I want is when the user opens my application, circle should get draw immediately on the Google Map (this is currently not happening, it draw's circle only on the location changed), without waiting for the location to get changed and without any image on the center of circle and then if the location get's changed, take the current location as the center of circle and draw the circle with an image at the center of circle. And this is my below code which fulfills the scenario that I mentioned in my Background- How can I make this code to work the way I wanted to? hope I am clear enough in my question. Any suggestions will be appreciated. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mapView = (MapView) findViewById(R.id.mapView); listView = (ListView) findViewById(R.id.mylist); locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); locationListener = new GPSLocationListener(mapView); locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 35000, 10, locationListener); mapView.setStreetView(true); mapView.setBuiltInZoomControls(true); mapController = mapView.getController(); mapController.setZoom(14); } Location Update class where I am sending the request to Overlay to draw the circle private class GPSLocationListener implements LocationListener { MapOverlay mapOverlay; public GPSLocationListener(MapView mapView) { } @Override public void onLocationChanged(Location location) { if (location != null) { GeoPoint point = new GeoPoint( (int) (location.getLatitude() * 1E6), (int) (location.getLongitude() * 1E6)); mapController.animateTo(point); mapController.setZoom(15); if (mapOverlay == null) { mapOverlay = new MapOverlay(this,android.R.drawable.star_on); List<Overlay> listOfOverlays = mapView.getOverlays(); listOfOverlays.add(mapOverlay); } mapOverlay.setPointToDraw(point); mapView.invalidate(); } } @Override public void onProviderDisabled(String provider) { } @Override public void onProviderEnabled(String provider) { } @Override public void onStatusChanged(String provider, int status, Bundle extras) { } } Class in which circle is getting drawn. class MapOverlay extends Overlay { private GeoPoint pointToDraw; int[] imageNames=new int[6]; private Point mScreenPoints; private Bitmap mBitmap; private Paint mCirclePaint; public MapOverlay(GPSLocationListener gpsLocationListener, int currentUser) { imageNames[0]=currentUser; mCirclePaint = new Paint(Paint.ANTI_ALIAS_FLAG); mCirclePaint.setColor(0x30000000); mCirclePaint.setStyle(Style.FILL_AND_STROKE); mBitmap = BitmapFactory.decodeResource(getResources(),imageNames[0]); mScreenPoints = new Point(); } public void setPointToDraw(GeoPoint point) { pointToDraw = point; } public GeoPoint getPointToDraw() { return pointToDraw; } @Override public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) { super.draw(canvas, mapView, shadow); if (pointToDraw == null) { return true; } mScreenPoints = mapView.getProjection().toPixels(pointToDraw, mScreenPoints); int totalCircle=5; int radius=40; int centerimagesize=35; for (int i = 1; i <= totalCircle; i ++) { canvas.drawCircle(mScreenPoints.x,mScreenPoints.y, i*radius, mCirclePaint); } canvas.drawBitmap(mBitmap, (mScreenPoints.x-(centerimagesize/2)),(mScreenPoints.y-(centerimagesize/2)), null); super.draw(canvas,mapView,shadow); return true; } }

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  • Full Screen Video Tumblr

    - by Kodi Lane
    I have a tumblr theme seen on http://www.kodilane.com and i am trying to make my Video Posts full screen. I have tried editing the code but i can only get the pictures to stretch. I have attached the template i have so far, if you can spot the changes that need to be done to make the video posts stretch full screen like the pictures do i would really appreciate it. Thank You - Kodi <!DOCTYPE html> <html lang="en"> <head> <title>{Title} {block:PostSummary}- {PostSummary}{/block:PostSummary}</title> <link rel="shortcut icon" href="{Favicon}"> <link rel="alternate" type="application/rss+xml" href="{RSS}"> {block:Description} <meta name="description" content="{MetaDescription}" /> {/block:Description} <meta http-equiv="content-type" content="text/html; charset=utf-8" /> {block:Posts} <meta name="if:Reverse Description" content="0"/> <meta name="if:Include Attribution" content="1"/> <meta name="image:Background" content="http://static.tumblr.com/ffvtarv/QxLlmnswt/kims4.jpeg"/> <meta name="font:Body" content="Arial, Helvetica, sans"/> <meta name="color:Body Text" content="#fff"/> <meta name="color:Link" content="#d5d5d5"/> <meta name="color:Hover" content="#fff"/> <style type="text/css"> html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline; } /* HTML5 display-role reset for older browsers */ article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; } body { line-height: 1; font-family: {font:Body}; } ol, ul, .bigcats li { list-style: none; } .main ol{ list-style:decimal; margin-left:25px; margin-bottom:10px; } .main ul{ list-style: disc; margin-left:25px; margin-bottom:10px; } blockquote, q { quotes: none; font-style: italic; padding:7px 7px; display:block; } ol.notes blockquote a{ line-height:22px; } blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; } table { border-collapse: collapse; border-spacing: 0; } strong{ color:#9d9d9d; font-weight: bold; } em{ font-style: italic; } {block:IfNotReverseDescription} .article{ max-width:420px; position:fixed; bottom:43px; right:0; } {/block:IfNotReverseDescription} {block:IfReverseDescription} .article{ max-width:420px; position:fixed; bottom:43px; left:0; } {/block:IfReverseDescription} h1, h2{ position:absolute; top:-9999px; left:-9999px; } .nav{ width:100%; padding: 10px 0px 10px 0px; text-align:left; z-index: 10; color:{color:Link}; margin-left:5px; } .navwrap{ background-color:#000; position:fixed; width:100%; bottom:0px; clear:both; /* Firefox 3.6+ */ background: -moz-linear-gradient(left, rgba(0, 0, 0, .5), rgba(0, 0, 0, 0.8)); /* Safari 4-5, Chrome 1-9 */ background: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .5)), to(rgba(0, 0, 0, 0.8))); /* Safari 5.1+, Chrome 10+ */ background: -webkit-linear-gradient(left, rgba(0, 0, 0, .5), rgba(0, 0, 0, 0.8)); /* Opera 11.10+ */ background: -o-linear-gradient(left, rgba(0, 0, 0, .5), rgba(0, 0, 0, 0.8)); padding-bottom:2px; box-shadow:0px 0px 3px #000000; } .nav ul li{ display:inline; font-size:13px; text-transform:uppercase; color:{color:Link}; list-style:none; text-align:center; } .nav li{ list-style: none; } .nav ul li a, .nav ul li a:visited { color:{color:Link}; padding: 10px 10px 3px 10px; } .nav ul li a:hover{ color:{color:Hover}; } a{ text-decoration:none; } .main a{ border-bottom: 1px {color:Link} dotted; color: {color:Link}; padding: 0 1px; } .main a:hover, .main a:focus{ color:{color:Hover}; border-bottom: transparent 1px solid; } a:visited, .main a:visited, { color: {color:Link}; } a:active {outline: none;} ol.notes, ol.notes li{ margin-bottom:2px; line-height:16px; } .audiometa{ padding-bottom:10px; } h3.push{ margin-bottom:10px; } h3{ margin-bottom:10px; } h3 a{ margin-bottom:10px; font-size:16px; color:{color:Hover}; } .main, .tags{ color:{color:Body Text}; display:block; padding: 15px; font-size: 12px; line-height: 16px; text-align: left; /* fallback */ background-color: #000; /* Firefox 3.6+ */ background: -moz-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); /* Safari 4-5, Chrome 1-9 */ background: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .8)), to(rgba(0, 0, 0, 0.6))); /* Safari 5.1+, Chrome 10+ */ background: -webkit-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); /* Opera 11.10+ */ background: -o-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); margin-top:5px; box-shadow:0px 0px 3px #000000 } .tags{ padding: 5px 15px; padding-bottom:7px; } .main iframe, .main embed{ margin-left:-5px; margin-top:-5px; } a.more-link, .tags a, .meta a{ line-height:18px; font-size:10px; border-bottom: 1px #888 dotted; color: {color:Link}; padding: 0 1px; margin: 0 2px; } p.meta{ margin-bottom:5px; } .tags a:hover, a.more-link:hover{ color:{color:Hover}; border-bottom: 1px #FFF dotted; } .pagination{ color: {color:Body Text}; padding: 10px 15px; font-size: 10px; line-height: 16px; text-align: left; /* fallback */ background-color: #000; /* Firefox 3.6+ */ background: -moz-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); /* Safari 4-5, Chrome 1-9 */ background: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .8)), to(rgba(0, 0, 0, 0.6))); /* Safari 5.1+, Chrome 10+ */ background: -webkit-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); /* Opera 11.10+ */ background: -o-linear-gradient(left, rgba(0, 0, 0, .8), rgba(0, 0, 0, 0.6)); margin-top:5px; box-shadow:0px 0px 3px #000000 } .pagination:hover{ /* Firefox 3.6+ */ background: -moz-linear-gradient(left, rgba(0, 0, 0, .6), rgba(0, 0, 0, 0.8)); /* Safari 4-5, Chrome 1-9 */ background: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .6)), to(rgba(0, 0, 0, 0.8))); /* Safari 5.1+, Chrome 10+ */ background: -webkit-linear-gradient(left, rgba(0, 0, 0, .6), rgba(0, 0, 0, 0.8)); /* Opera 11.10+ */ background: -o-linear-gradient(left, rgba(0, 0, 0, .6), rgba(0, 0, 0, 0.8)); } #nextslide { width:48%; height:100%; background: url(http://static.tumblr.com/szanjxb/vI6lmo15u/forward.png) no-repeat right center, url(http://static.tumblr.com/ffvtarv/gemlmnsks/next-shadow.png) repeat-y right; position:fixed; top:0; right:0; float:left; opacity:0; filter:alpha(opacity=0); -webkit-transition: opacity .5s ease-out; -moz-transition: opacity .5s ease-out; -o-transition: opacity .5s ease-out; overflow:none; } p{ margin-bottom: 10px; } p:last-child{ margin-bottom: 0px; } #prevslide{ width:48%; float:left; height:100%; background: url(http://static.tumblr.com/szanjxb/MSClmo15g/back.png) no-repeat left center, url(http://static.tumblr.com/ffvtarv/bKulmnsl6/prev-shadow.png) repeat-y left; position:fixed; top: 0; left: 0; opacity:0; filter:alpha(opacity=0); -webkit-transition: opacity .5s ease-out; -moz-transition: opacity .5s ease-out; -o-transition: opacity .5s ease-out; } #nextslide:hover, #prevslide:hover{ filter:alpha(opacity=100); opacity:1.0; -webkit-transition: opacity .2s ease-out; -moz-transition: opacity .2s ease-out; -o-transition: opacity .2s ease-out; } p.time{ padding-bottom:10px; margin-bottom:10px; text-align: right; } .left{ float:left; } .right{ float:right; } .button{ position:fixed; bottom: 9px; right: 15px; line-height:12px; font-size:13px; color:{color:Link}; cursor: pointer; float:left; padding-bottom:1px; border-bottom: 2px solid transparent; } .button:hover{ color:{color:Link}; } .notes{ line-height: 11px; } ol.notes li{ list-style: none; } .clear { clear: both; display: block; overflow: hidden; visibility: hidden; width: 0; height: 0; } .hidden{ display:none; } {block:Photo} body {background: url({PhotoURL-HighRes}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Photo} {block:Text} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Text} {block:Video} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Video} {block:Quote} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Quote} {block:Link} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Link} {block:Audio} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {block:AlbumArt} body{ background: url({AlbumArtURL}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover; } {/block:AlbumArt} {/block:Audio} {block:Answer} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Answer} {block:Chat} body {background: url({image:Background}) no-repeat center center fixed black; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;} {/block:Chat} {CustomCSS} </style> <script src="http://static.tumblr.com/ffvtarv/W6Llmnske/jquery-git.js"></script> <script src="http://static.tumblr.com/ffvtarv/QpUlmnsje/jquery.cookie.js"></script> <script> var uiStatus = $.cookie("uiStatus") $(document).ready(function(){ if(uiStatus == 'hidden') { $(".article,.navwrap").hide() }; $(".button").click(function () { $(".article,.navwrap").fadeToggle("slow", "swing"); if(uiStatus == 'hidden') { $.cookie("uiStatus", "visible"); } else { $.cookie("uiStatus", "hidden"); }; }); }); </script> </head> <h1><a href="/">{Title}</a></h1> <h2>{Description}</h2> <!-- Main Side Navigation --> {block:Pagination} {block:PreviousPage} <a href="{PreviousPage}" title="Next Post"><div id="nextslide"></div></a> {/block:PreviousPage} {block:NextPage} <a href="{NextPage}" title="Previous Post"><div id="prevslide"></div></a> {/block:NextPage} {/block:Pagination} {block:PermalinkPagination} {block:PreviousPost} <a href="{PreviousPost}" title="Previous Post"><div id="prevslide"></div></a> {/block:PreviousPost} {block:NextPost} <a href="{NextPost}" title="Next Post"><div id="nextslide"></div></a> {/block:NextPost} {/block:PermalinkPagination} <div class="article"> {block:Pagination} {block:PreviousPage} <a href="{PreviousPage}" title="Newer Post"><div class="pagination">Newer Post</div></a> {/block:PreviousPage} {block:NextPage} <a href="{NextPage}" title="Older Post"><div class="pagination">Older Post</div></a> {/block:NextPage} {/block:Pagination} {block:PermalinkPagination} {block:NextPost} <a href="{NextPost}" title="Newer Post"><div class="pagination">Newer Post</div></a> {/block:NextPost} {block:PreviousPost} <a href="{PreviousPost}" title="Older Post"><div class="pagination">Older Post</div></a> {/block:PreviousPost} {/block:PermalinkPagination} {block:HasTags} <div class="tags"> {block:Tags} <a href="{TagURL}">{Tag}</a> {/block:Tags} </div> {/block:HasTags} <div class="main"> {block:Photo} {block:Caption} {Caption} {/block:Caption} {/block:Photo} {block:Video} {Video-400} {block:Caption} {Caption} {/block:Caption} {/block:Video} {block:Link} <h3><a href="{URL}" target="{Target}">{Name}</a></h3> {block:Description} {Description} {/block:Description} {/block:Link} {block:Quote} <h3>{Quote}</h3> {block:Source} <strong><p>{Source}</p></strong> {/block:Source} {/block:Quote} {block:Audio} {AudioPlayerBlack} <div class="audiometa"> {block:Artist} {Artist} {/block:Artist} {block:Album} {Album} {/block:Album} {block:TrackName} {TrackName} {/block:TrackName} </div> {block:Caption} {Caption} {/block:Caption} {/block:Audio} {block:Chat} <h3 class="push">{Title}</h3> {block:Lines} <p class="chat {Alt}"><strong>{block:Label}{Label}{/block:Label}</strong> {Line}</p> {/block:Lines} {/block:Chat} {block:Text} {Body} {block:Text} <p class="meta"> <a href="http://tmv.proto.jp/reblog.php?post_url={Permalink};" title="Reblog this" class="more-link left">Reblog</a> <span class="hidden">{block:Photo}{LinkOpenTag}Source{LinkCloseTag}{/block:Photo}</span> <a href="{Permalink}" title="Permalink{PhotoAlt}" class="more-link right notes">{NoteCountWithLabel}</a> </p> <div class="clear"></div> </div> </div> <script type="text/javascript"> document.onkeyup = KeyCheck; function KeyCheck(e) { var KeyID = (window.event) ? event.keyCode : e.keyCode; switch(KeyID) { {block:Pagination} {block:PreviousPage} case 39: window.location = "{PreviousPage}"; break; {/block:PreviousPage} {block:NextPage} case 37: window.location = "{NextPage}"; break; {/block:NextPage} {/block:Pagination} {block:PermalinkPagination} {block:PreviousPost} case 39: window.location = "{NextPost}"; break; {/block:PreviousPost} {block:NextPost} case 37: window.location = "{PreviousPost}"; break; {/block:NextPost} {/block:PermalinkPagination} } } </script> <div class="navwrap"> <div class="nav"> <ul> <li><a href="/" title="{Title}">KODI LANE</a></li> <li><a href="/archive" title="Archive of posts">Archive</a></li> {block:AskEnabled}<li><a href="/ask" title="Ask">{AskLabel}</a></li>{/block:AskEnabled} {block:SubmissionsEnabled}<li><a href="/submit" title="Submit">{SubmitLabel}</a></li>{/block:SubmissionsEnabled} {block:HasPages}{block:Pages}<li><a href="{URL}">{Label}</a></li>{/block:Pages}{/block:HasPages} {block:IfIncludeAttribution}<li><a href="http://jonathanhaggard.com/">Theme by Jon</a></li>{/block:IfIncludeAttribution} </ul> </div> </div> <div class="button">HIDE/SHOW UI</div> {/block:Posts}

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  • Adobe Photoshop CS5 vs Photoshop CS5 extended

    - by Edward
    Adobe Photoshop has been an industry standard for most web designers & photographers worldwide. Photoshop CS5 has made photography editing much more refined and the composition process has become much easier than ever before.  To study the advantage of Photoshop CS5 extended over Photoshop CS5 we have written this comparison article, with both a Designer’s & Photographer’s perspective. Hopefully it shall help you in your buying/upgrade decision. Photoshop CS5 Photoshop CS5 has refining feature with powerful photography tools. It made editing process easy as fewer steps are involved to remove noise, add grain, create vignettes, correct lens distortions, sharpen, and create HDR images. It has quick image correction and color and tone control for professional purpose. Intelligent image editing and enhancement , extraordinary advanced compositing has made it a better tool than earlier versions for photographers. It allows users to accelerate workflow with fast performance on 64-bit Windows® and Mac hardware systems and smoother interactions due to more GPU-accelerated features. It also boasts of a state-of-the-art processing with Adobe Photoshop Camera Raw 6 and helps to maximize creative impact. It provides for tremendous precision and freedom. It allows user to easily select intricate image elements, such as hair and create realistic painting effects. It also allows to remove any image element and see the space fill in almost magically. It has easy access to core editing and streamlined work flow and flexible work ambience. It has creative tools and contents. Photoshop CS5 Extended Photoshop CS5 extended is quite innovative and has incorporated 3D elements to 2D artwork directly within digital imaging application, which enables user to do an easy on-ramp to 3D image creation. It also provides for 3D editing. It has intelligent image editing and enhancement. It offers advance composing and has extraordinary painting and drawing toolset. It provides for video and animation designing. It helps to work with specialized images for architecture, manufacturing, engineering, science, and medicine. Where CS5 extended scores over CS5 CS5 extended has many features, which were not included in CS5. These features make it score more over CS5. These features are: Technology for creating 3D extrusion 3D material library and picker Field depth for 3D 3D merging and scene composition improvements 3D workflow improvement Customization of 3D features Image based light source Shadow catcher for shadow creation Enhanced ray tracer Context sensitive widgets, which allows easy control of objects, lights and cameras. Overlays for materials and mesh boundaries Photoshop CS5 extended is far better than CS5 as it incorporates all the features of CS5 and have more advanced features. It allows 3D creation and editing and has other advanced tools to make it better. Redefining the Image-Editing Experience  : A Photographer’s point of View Photoshop CS5 delivers amazing features and creative options so even new users can perform advanced image manipulations and compositions. Breath taking image intelligence behind Content-Aware Fill magically removes any image detail or object, examines the surroundings and seamlessly fills in the space left behind. Lighting, tone and noise of the surrounding area can be matched. New Refine Edge makes nearly-impossible image selections possible. Masking was never easier, the toughest types of edges, such as hair and foliage seem easier to fix. To sum up following are few advantages of CS5 extended over previous versions 64-bit processing Content Aware Fill Refine Edge, “makes nearly-impossible image selections impossible” HDR Pro, including ghost artifact removal and HDR toning, which gives the look of HDR with a single exposure New brush options Improved image management with enhanced Adobe Bridge Lens corrections Improved black-and-white conversions Puppet Warp: Precisely reposition or warp any image element Adobe Camera Raw 6 Upgrade Buy Online Pricing and Availability Adobe Photoshop CS5 and CS5 Extended are available through Adobe Authorized Resellers & the Adobe Store. Estimated street price for Adobe Photoshop CS5 is US$699 and US$999 for Photoshop CS5 Extended. Upgrade pricing and volume licensing are also available. Related posts:10 Free Alternatives for Adobe Photoshop Software Web based Alternatives to Photoshop 15 Useful Adobe Illustrator Tutorials For Designers

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  • [Silverlight] How to watermark a WriteableBitmap with a text

    - by Benjamin Roux
    Hello, In my current project, I needed to watermark a WriteableBitmap with a text. As I couldn’t find anything I decided to create a small extension method to do so. public static class WriteableBitmapEx { /// <summary> /// Creates a watermark on the specified image /// </summary> /// <param name="input">The image to create the watermark from</param> /// <param name="watermark">The text to watermark</param> /// <param name="color">The color - default is White</param> /// <param name="fontSize">The font size - default is 50</param> /// <param name="opacity">The opacity - default is 0.25</param> /// <param name="hasDropShadow">Specifies if a drop shadow effect must be added - default is true</param> /// <returns>The watermarked image</returns> public static WriteableBitmap Watermark(this WriteableBitmap input, string watermark, Color color = default(Color), double fontSize = 50, double opacity = 0.25, bool hasDropShadow = true) { var watermarked = GetTextBitmap(watermark, fontSize, color == default(Color) ? Colors.White : color, opacity, hasDropShadow); var width = watermarked.PixelWidth; var height = watermarked.PixelHeight; var result = input.Clone(); var position = new Rect(input.PixelWidth - width - 20 /* right margin */, input.PixelHeight - height, width, height); result.Blit(position, watermarked, new Rect(0, 0, width, height)); return result; } /// <summary> /// Creates a WriteableBitmap from a text /// </summary> /// <param name="text"></param> /// <param name="fontSize"></param> /// <param name="color"></param> /// <param name="opacity"></param> /// <param name="hasDropShadow"></param> /// <returns></returns> private static WriteableBitmap GetTextBitmap(string text, double fontSize, Color color, double opacity, bool hasDropShadow) { TextBlock txt = new TextBlock(); txt.Text = text; txt.FontSize = fontSize; txt.Foreground = new SolidColorBrush(color); txt.Opacity = opacity; if (hasDropShadow) txt.Effect = new DropShadowEffect(); WriteableBitmap bitmap = new WriteableBitmap((int)txt.ActualWidth, (int)txt.ActualHeight); bitmap.Render(txt, null); bitmap.Invalidate(); return bitmap; } } For this code to run, you need the WritableBitmapEx library. As you can see, it’s quite simple. You just need to call the Watermark method and pass it the text you want to add in your image. You can also pass optional parameters like the color, the opacity, the fontsize or if you want a drop shadow effect. I could have specify other parameters like the position or the the font family but you can change the code if you need to. Here’s what it can give Hope this helps.

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  • Android - drawing path as overlay on MapView

    - by Rabas
    Hello, I have a class that extends Overlay and implemments Overlay.Snappable. I have overriden its draw method: @Override public void draw(Canvas canvas, MapView mv, boolean shadow) { Projection projection = mv.getProjection(); ArrayList<GeoPoint> geoPoints = new ArrayList<GeoPoint>(); //Creating geopoints - ommited for readability Path p = new Path(); for (int i = 0; i < geoPoints.size(); i++) { if (i == geoPoints.size() - 1) { break; } Point from = new Point(); Point to = new Point(); projection.toPixels(geoPoints.get(i), from); projection.toPixels(geoPoints.get(i + 1), to); p.moveTo(from.x, from.y); p.lineTo(to.x, to.y); } Paint mPaint = new Paint(); mPaint.setStyle(Style.FILL); mPaint.setColor(0xFFFF0000); mPaint.setAntiAlias(true); canvas.drawPath(p, mPaint); super.draw(canvas, mv, shadow); } As you can see, I make a list of points on a map and I want them to form a polygonal shape. Now, the problem is that when I set paint style to be FILL or FILL_AND_STROKE nothing shows up on the screen, but when I set it to be just stroke, and set stroke width, it acctually draws what it is supposed to draw. Now, I looked for solution, but nothing comes up. Can you tell me if I something missed to set in the code itself, or are there some sorts of constraints when drawing on Overlay canvases? Thanks

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  • [SOLVED] How to create a FBO with stencil buffer in OpenGL ES 2.0?

    - by Alphones
    I need stencil buffer on 3GS to render planar shadow, and polygon offset won't work prefect, still has z-fighting problem. So I use stencil buffer to make the shadow correct, it works on win32 gles2 emulator, but not on iPhone. After I added a post effect to the whole scene. The stencil buffer won't work even on win32 gles2 emulator. And I tried to attach a stencil buffer to FBO, buf the screen turns to black. Here's my code, glGenRenderbuffers(1, &dbo); // depth buffer glBindRenderbuffer(GL_RENDERBUFFER, dbo); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24_OES, widthGL, heightGL); glGenRenderbuffers(1, &sbo); // stencil buffer glBindRenderbuffer(GL_RENDERBUFFER, sbo); glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, widthGL, heightGL); glGenFramebuffers(1, &fbo); glBindFramebuffer(GL_FRAMEBUFFER, fbo); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, dbo); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, sbo); // this make the whole screen black. The eglContext is created with STENCIL_SIZE=8, it works without a RTT. I tried to change the RenderbufferStorage for both depth buffer and stencil buffer, but none of them works. Is there anything I have missed? Does the stencil buffer pack with depth buffer? (I cannot find things like GL_DEPTH24_STENCIL8 ...)

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  • WPF animation/UI features performance and benchmarking

    - by Rich
    I'm working on a relatively small proof-of-concept for some line of business stuff with some fancy WPF UI work. Without even going too crazy, I'm already seeing some really poor performance when using a lot of the features that I thought were the main reason to consider WPF for UI building in the first place. I asked a question on here about why my animation was being stalled the first time it was run, and at the end what I found was that a very simple UserControl was taking almost half a second just to build its visual tree. I was able to get a work around to the symptom, but the fact that it takes that long to initialize a simple control really bothers me. Now, I'm testing my animation with and without the DropShadowEffect, and the result is night and day. A subtle drop shadow makes my control look so much nicer, but it completely ruins the smoothness of the animation. Let me not even start with the font rendering either. The calculation of my animations when the control has a bunch of gradient brushes and a drop shadow make the text blurry for about a full second and then slowly come into focus. So, I guess my question is if there are known studies, blog posts, or articles detailing which features are a hazard in the current version of WPF for business critical applications. Are things like Effects (ie. DropShadowEffect), gradient brushes, key frame animations, etc going to have too much of a negative effect on render quality (or maybe the combinations of these things)? Is the final version of WPF 4.0 going to correct some of these issues? I've read that VS2010 beta has some of these same issues and that they are supposed to be resolved by final release. Is that because of improvements to WPF itself or because half of the application will be rebuilt with the previous technology?

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