Search Results

Search found 48823 results on 1953 pages for 'run loop'.

Page 628/1953 | < Previous Page | 624 625 626 627 628 629 630 631 632 633 634 635  | Next Page >

• CodePlex Daily Summary for Wednesday, December 19, 2012

  CodePlex Daily Summary for Wednesday, December 19, 2012Popular ReleasesToolbox for Dynamics CRM 2011: XrmToolBox (1.0.0.0): Initial Release Contains following tools: Attribute Bulk Updater Iconator Role Updater Scripts Finder SiteMap Editor Solution Import View Layout Replicator WebResources Manager Also include the sample tool described in the documentation "How to develop your own tool" More tools to come later...NB_Store - Free DotNetNuke Ecommerce Catalog Module: NB_Store v2.3.3 Rel0: DNN 5.3.2 and above, and DNN 6 Compatible - Some release notes are discussed here. Important : v2.3.3 requires the Back Office module to be placed onto a seperate page to the productlist. During the upgrade process, this module retains your existing configuration by not overwriting any existing settings and templates. If you wish to reset your configuration to gain all new settings and templates, please review this KB article. Please view the following documentation if you are installing ...F# PowerPack with F# Compiler Source Drops: PowerPack for FSharp 3.0 + .NET 4.x + VS2010: This is a release of the old FSharp Power Pack binaries recompiled for F# 3.0, .NET 4.0/4.5 and Silveright 5. NOTE: This is for F# 3.0 & .NET 4.0 or F# 3.0 & Silverlight 5 NOTE: The assemblies are no longer strong named NOTE: The assemblies are not added to the GAC NOTE: In some cases functionality overlaps with F# 3.0, e.g. SI Units of measurecodeSHOW: codeSHOW AppPackage Release 16: This release is a package file built out of Visual Studio that you can side load onto your machine if for some reason you don't have access to the Windows Store. To install it, just unzip and run the .ps1 file using PowerShell (right click | run with PowerShell). Attention: if you want to download the source code for codeSHOW, you're in the wrong place. You need to go to the SOURCE CODE tab.Move Mouse: Move Mouse 2.5.3: FIXED - Issue where it errors on load if the screen saver interval is over 333 minutes.LINUX????????: LINUX????????: LINUX????????cnbeta: cnbeta: cnbetaCSDN ??: CSDN??????: CSDN??????PowerShell Community Extensions: 2.1.1 Production: PowerShell Community Extensions 2.1.1 Release NotesDec 16, 2012 This version of PSCX supports both Windows PowerShell 2.0 and 3.0. Bug fix for HelpUri error with the Get-Help proxy command. See the ReleaseNotes.txt download above for more information.VidCoder: 1.4.11 Beta: Added Hungarian translation, thanks to Brechler Zsolt. Update HandBrake core to SVN 5098. This update should fix crashes on some files. Updated the enqueue split button to fit in better with the active Windows theme. Updated presets to use x264 preset/profile/level.???: Cnblogs: CNBLOGSSandcastle Help File Builder: SHFB v1.9.6.0 with Visual Studio Package: General InformationIMPORTANT: On some systems, the content of the ZIP file is blocked and the installer may fail to run. Before extracting it, right click on the ZIP file, select Properties, and click on the Unblock button if it is present in the lower right corner of the General tab in the properties dialog. This new release contains bug fixes and feature enhancements. There are some potential breaking changes in this release as some features of the Help File Builder have been moved into...Electricity, Gas and Temperature Monitoring with Netduino Plus: V1.0.1 Netduino Plus Monitoring: This is the first stable release from the Netduino Plus Monitoring program. Bugfixing The code is enhanced at some places in respect to the V0.6.1 version There is a possibility to add multiple S0 meters Website for realtime display of data Website for configuring the Netduino Comments are welcome! Additions will not be made to this version. This is the first and last major Netduino Plus V1 release. The new development will take place with the Netduino Plus V2 development board in mi...Windows Store Application Library: Windows Store Application Library - 1.1.1.0: Windows Store Application Library StoreAppLib can be installed from Visual Studio "Manage NuGet Packages" tool. This release of Windows Store Application Library contains following controls and utilities. DatePicker control TimePicker control PageHeaderTextBlock control with Global Navigation Menu Popup manager AppBarButton control TapEffect animation DateTimeConverter ConcatenationConverter CountConverterCRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.8): [FIX] Fixed issue not displaying CRM system button images correctly (incorrect path in file VisualRibbonEditor.exe.config)My Expenses Windows Store LOB App Demo: My Expenses Version 1: This is version 1 of the MyExpenses Windows 8 line of business demo app. The app is written in XAML and C#. It calls a WCF service that works with a SQL Server database. The app uses the Callisto toolkit. You can get it at https://github.com/timheuer/callisto. The Expenses.sql file contains the SQL to create the Expenses database. The ExpensesWCFService.zip file contains the WCF service, also written in C#. You should create a WCF service. Create an Entity Framework model and point it to...Manage upload files for SP 2010: Manage upload files (SP 2010) 1.0.0: Version 1.0.0: Manage upload file size on specific application page Simple in use Simple installation Work on: SharePoint Foundation 2010 Sharepoint Server 2010 (Standard, Enterprise) Localized: English RussianMCEBuddy Viewer: MCEBuddy Viewer 1.0.0 Beta: MCEBuddy Viewer for MCEBuddy 2.x Windows Media Center Add-On to view the current job status of MCEbuddy. Requirements: 1. Installed MCEBuddy 2.x (tested on release 2.3.7-2.3.10) http://mcebuddy2x.codeplex.com 2. Windows Media Center (tested on Windows 7 Pro 32-bit&64-bit, Windows 8 Pro with WMC 64-bit) Before installing the new version of Plug-in uninstall old version through windows control panelBlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releaseNew ProjectsAutonomic Middleware: Reflective middleware using workflow that makes the middleware autonomic.Battleforge: Assault: A card battle game. This project is being built using Silverlight 4 in C#.ChurajPatterns: Design patterns testing and overview console application.FimExplorer: Tool for executing XPath queries against FIM without going through it's web portal.Financial Management Studio: This is a WPF application for the financial management. Will use bunch of technologies such as: MVVM, Microsoft Extension Framework and Entities Framework.iJob: Do u no what is this?Developed with C#.net3.5 MSSQL2008Interaction Production Server: A software based networked lighting controller. It brokers many protocols together to allow easy setup and development of new stage lighting controllers.Interface weaver Custom Tool: A CustomTool for vs auto implementing interface based on aspects (auto INotifyPropertychanged data context implementation, auto command mapping...).IntroductionWeb: This is the second time for us to build something extraordinaryiSteam: iSteam is a product being developed focusing on the Steamworks platform, to advertise and centralize everything about steam in one application.iSun_PLS: iSun PLS is a Photo libary System, to help you manager your pictures on your server!LSharp: A Scripting Language Interpreter for .NETMassive Dangerzone: Don't try this at home.MinGuid: An alternative / replacement for those long Guid strings, simply call the function in the library which generates the Unique 16 character string.Nx Portable Framework: Framework aiming to speed up cross platform movile developement.Orchard Training Demo module: Demo Orchard module for training purposes. This module completes the training materials at http://english.orchardproject.hu/Training/Oriol ASAP: ASAPPanopticonize API: This project provides code samples for the panopticonize.com video thumbnailing API.Registry Editor Navigator: The small utility that takes a path and makes Regedit open to that path. Similar to RegJump but it has UI, uses clipboard and has a global keyboard hook. SafetyExam: ??????????????Simple Queuing System: This project is created to show you how queuing system can be implemented in MSMQ in C#. The sample is implemented from real life queuing system. TypeScript plugin enhancements for VS 2010 add-in: This add-in allows to - Compile .ts files by saveVisual Studio Help Downloader 2012: Tool for downloading the Visual Studio 2012 help packages for offline useWebGoat.NET test repository: THis is a clone of the WebGoat.NET project hosted at GitHub, provided here for those who need to be able to have a TFS-accessible copy of WebGoat.WebPythonHost: A .NET application hosting web python environment.Wpf Sqlite Management: about 1 month i publish this project and use avalon edit and avalon doc in my project WPFSchematics: The WPFSchematics is a vector graphic interactive system,and based on WPF graphics technology.XEasyFileSearch: easy and quick file searcherZweiBooks: Plugin for a Bukkit-Server.

  Read the article

• News from OpenWorld: Oracle Announces Identity Governance Suite

  - by Tanu Sood

    At OpenWorld, Oracle today announced the release of Oracle Identity Governance Suite. An end-to-end access governance solution, Oracle Identity Governance Suite addresses compliance, governance and identity administration requirements. Built on Oracle’s unique platform approach to Identity Management, the suite offers a single, comprehensive platform for access request, provisioning, role lifecycle management, access certification, closed loop remediation and privileged account management. The suite offers benefits like dramatic reduction in administration (and help desk) overhead, cost-effective compliance enforcement and reporting, enhanced user experience and analytics driven insight. More details available in the announcement and on our website. Additional Resources: ·         Oracle Identity Governance Datasheet ·         Oracle Privileged Account Manager ·         Integrated Identity Governance Whitepaper ·         Gartner Magic Quadrant for User Provisioning ·         Join the Oracle Identity Management online communities: Blog, Facebook and Twitter

  Read the article

• unexpected EOF and end of document

  - by WASasquatch

  I have been fiddling with this code for a few days. Mind you I am a beginner. I just want to get my script to be able to download a remote file, and scan MineCraft plugins. I got the scan plugins to work, but I'm having two other issues. One, I can't get the mc_addplugin to work correctly, and I get a Unexpected EOF and unexpected end of document when running any other command besides mc_scanplugins or mc_start bash: -c: line 0: unexpected EOF while looking for matching `"' bash: -c: line 1: syntax error: unexpected end of file Help would be so much appreciated! Thanks in advance. #!/bin/bash # /etc/init.d/craftbukkit # version 0.9.1 2012-07-06 (YYYY-MM-DD) ### BEGIN INIT INFO # Provides: craftbukkit # Required-Start: $local_fs $remote_fs # Required-Stop: $local_fs $remote_fs # Should-Start: $network # Should-Stop: $network # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Starts craftbukkit server # Description: Starts and controls the craftbukkit server ### END INIT INFO # SETTINGS SERVICE='craftbukkit-1.2.5-R1.0.jar' OPTIONS='nogui' USERNAME='smith' # LIST ALL THE WORLDS IN YOUR CRAFTBUKKIT SERVER FOLDER WORLDS[1]='world' WORLDS[2]='world_nether' WORLDS[3]='world_the_end' WORLDS[4]='flat_world' MCPATH='/var/www/servers/Foundation' PLUGINSPATH='/var/www/servers/Foundation/plugins' TEMPPLUGINS='/var/www/servers/Foundationplugins/temp_plugins' BACKUPPATH='/var/www/servers/Foundation/backup' CPU_COUNT=2 INVOCATION="java -Xmx2024M -Xms2024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=$CPU_COUNT -XX:+AggressiveOpts -jar $SERVICE $OPTIONS" ME=`whoami` as_user() { if [ $ME == $USERNAME ] ; then bash -c "$1" else su - $USERNAME -c "$1" fi } mc_start() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is already running!" else echo "Starting $SERVICE..." cd $MCPATH as_user "cd $MCPATH && screen -dmS craftbukkit $INVOCATION" sleep 7 if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is now running." else echo "Error! Could not start $SERVICE!" fi fi } mc_saveoff() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... suspending saves" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say The server is preforming a backup. Server going to read-only mode. Do not build...\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-off\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sync sleep 10 else echo "$SERVICE is not running. Not suspending saves." fi } mc_save() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... Saving worlds..." as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sync sleep 10 echo "Save complete!" else echo "$SERVICE is not running. Cannot save!" fi } mc_saveon() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... re-enabling saves" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-on\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say Server backup has completed. Server going to read-write mode. You can now continue building...\"\015'" else echo "$SERVICE is not running. Not resuming saves." fi } mc_stop() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "Stopping $SERVICE" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say $SERVERNAME is shutting down in 30 seconds! Please stop what you are doing. Check back later, we'll be back!\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sleep 30 as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"stop\"\015'" sleep 7 else echo "$SERVICE was not running." fi if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "Error! $SERVICE could not be stopped." else echo "$SERVICE is stopped." fi } mc_update() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running! Will not start update." else MC_SERVER_URL=http://dl.bukkit.org/latest-rb/craftbukkit.jar as_user "cd $MCPATH && wget -q -O $MCPATH/craftbukkit_server.jar.update $MC_SERVER_URL" if [ -f $MCPATH/craftbukkit_server.jar.update ] then if `diff $MCPATH/$SERVICE $MCPATH/craftbukkit_server.jar.update >/dev/null` then echo "You are already running the latest version of $SERVICE. Update anyway? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $MCPATH/$SERVICE $MCPATH/${SERVICE}_old.jar" as_user "mv $MCPATH/craftbukkit_server.jar.update $MCPATH/$SERVICE" echo "$SERVICE updated successfully!"; break;; No ) echo "The update was not installed! Removing temporary files and exiting..." as_user "rm $MCPATH/craftbukkit_server.jar.update" exit;; esac done else as_user "mv $MCPATH/$SERVICE $MCPATH/${SERVICE}_old.jar" as_user "mv $MCPATH/craftbukkit_server.jar.update $MCPATH/$SERVICE" echo "$SERVICE updated successfully!" fi else echo "$SERVICE update could not be downloaded." fi fi } mc_addplugin() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running! Please stop the service before adding a plugin." else echo "Paste the URL to the .JAR Plugin..." read JARURL JARNAME=$(basename "$JARURL") if [ -d "$TEMPPLUGINS" ] then as_user "cd $PLUGINSPATH && wget -r -A.jar $JARURL -o temp_plugins/$JARNAME" else as_user "cd $PLUGINSPATH && mkdir $TEMPPLUGINS && wget -r -A.jar $JARURL -o temp_plugins/$JARNAME" fi if [ -f "$TMPDIR/$JARNAME" ] then if [ -f "$PLUGINSPATH/$JARNAME" ] then if `diff $PLUGINSPATH/$JARNAME $TMPDIR/$JARNAME >/dev/null` then echo "You are already running the latest version of $JARNAME." else NOW=`date "+%Y-%m-%d_%Hh%M"` echo "Are you sure you want to overwrite this plugin? [Y/n]" echo "Note: Your old plugin will be moved to the "$TEMPPLUGINS" folder with todays date." select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $PLUGINSPATH/$JARNAME $TEMPPLUGINS/${JARNAME}_${NOW} && mv $TEMPPLUGINS/$JARNAME $PLUGINSPATH/$JARNAME"; break;; No ) echo "The plugin has not been installed! Removing temporary plugin and exiting..." as_user "rm $TEMPPLUGINS/$JARNAME"; exit;; esac done echo "Would you like to start the $SERVICE now? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) mc_start; break;; No ) "$SERVICE not running! To start the service run: /etc/init.d/craftbukkit start"; exit;; esac done fi else echo "Are you sure you want to add this new plugin? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $PLUGINSPATH/$JARNAME $TEMPPLUGINS/${JARNAME}_${NOW} && mv $TEMPPLUGINS/$JARNAME $PLUGINSPATH/$JARNAME"; break;; No ) echo "The plugin has not been installed! Removing temporary plugin and exiting..." as_user "rm $TEMPPLUGINS/$JARNAME"; exit;; esac done echo "Would you like to start the $SERVICE now? [Y/n]?" select yn in "Yes" "No"; do case $yn in Yes ) mc_start; break;; No ) "$SERVICE not running! To start the service run: /etc/init.d/craftbukkit start"; exit;; esac done fi else echo "Failed to download the plugin from the URL you specified!" exit; fi fi } mc_scanplugins() { if [ "$(ls -A $PLUGINSPATH)" ] then shopt -s nullglob PLUGINS=($PLUGINSPATH/*.jar) i=1 for f in "${PLUGINS[@]}" do echo "${i}: $f" PLUGIN[$i]=$f i=$(( $i + 1 )) done echo "Enter the ID of a plugin you want removed, or any other key to cancel." read INPUT if [ ! -z "${INPUT##*[!0-9]*}" ] then if [ -f "${PLUGIN[INPUT]}" ] then echo "Removing plugin..." JAR=$(basename ${PLUGIN[INPUT]}) JARNAME=${JAR%.jar} as_user "rm -f ${PLUGIN[INPUT]}" sleep 2 as_user "cd $PLUGINSPATH && rm -rf ./${JARNAME}" if [ -f "${PLUGINSPATH}/${JARNAME}" ] then echo "Plugin folder could not be removed..." fi echo "Plugin removed." else echo "${PLUGIN[INPUT]}" echo "Invalid plugin! Does not exist! Canceling..." exit; fi else echo "Canceling..." exit; fi else echo "You have no plugins installed." exit; fi } mc_backup() { mc_saveoff for i in "${WORLDS[@]}"; do NOW=`date "+%Y-%m-%d_%Hh%M"` BACKUP_FILE="$BACKUPPATH/${i}_${NOW}.tar" echo "Backing up world: $i..." #as_user "cd $MCPATH && cp -r $i $BACKUPPATH/${i}_`date "+%Y.%m.%d_%H.%M""` as_user "tar -C \"$MCPATH\" -cf \"$BACKUP_FILE\" $i" done echo "Backing up $SERVICE" as_user "tar -C \"$MCPATH\" -rf \"$BACKUP_FILE\" $SERVICE" #as_user "cp \"$MCPATH/$SERVICE\" \"$BACKUPPATH/craftbukkit_server_${NOW}.jar\"" mc_saveon echo "Compressing backup..." as_user "tar -cvzf $BACKUPPATH/server_backup_${NOW}.tar.gz $MCPATH" echo "Backup has completed successfully." } mc_command() { command="$1"; if pgrep -u $USERNAME -f $SERVICE > /dev/null then pre_log_len=`wc -l "$MCPATH/server.log" | awk '{print $1}'` echo "$SERVICE is running... executing command" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"$command\"\015'" sleep .1 # assumes that the command will run and print to the log file in less than .1 seconds # print output tail -n $[`wc -l "$MCPATH/server.log" | awk '{print $1}'`-$pre_log_len] "$MCPATH/server.log" fi } #Start-Stop here case "$1" in start) mc_start ;; stop) mc_stop ;; restart) mc_stop mc_start ;; save) mc_save ;; update) mc_stop mc_backup mc_update mc_start ;; scanplugins) mc_scanplugins ;; addplugin) mc_addplugin ;; backup) mc_backup ;; status) if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running." else echo "$SERVICE is not running." fi ;; command) if [ $# -gt 1 ]; then shift mc_command "$*" else echo "Must specify server command (try 'help'?)" fi ;; *) echo "Usage: $0 {start|stop|update|backup|status|restart|command \"server command\"}" exit 1 ;; esac exit 0

  Read the article

• Rotation of bitmap using a frame by frame animation

  - by pengume

  Hey every one I know this has probably been asked a ton of times but I just wanted to clarify if I am approaching this correctly, since I ran into some problems rotating a bitmap. So basically I have one large bitmap that has four frames drawn on it and I only draw one at a time by looping through the bitmap by increments to animate walking. I can get the bitmap to rotate correctly when it is not moving but once the animation starts it starts to cut off alot of the image and sometimes becomes very fuzzy. I have tried public void draw(Canvas canvas,int pointerX, int pointerY) { Matrix m; if (setRotation){ // canvas.save(); m = new Matrix(); m.reset(); // spriteWidth and spriteHeight are for just the current frame showed m.setTranslate(spriteWidth / 2, spriteHeight / 2); //get and set rotation for ninja based off of joystick m.preRotate((float) GameControls.getRotation()); //create the rotated bitmap flipedSprite = Bitmap.createBitmap(bitmap , 0, 0,bitmap.getWidth(),bitmap.getHeight() , m, true); //set new bitmap to rotated ninja setBitmap(flipedSprite); // canvas.restore(); Log.d("Ninja View", "angle of rotation= " +(float) GameControls.getRotation()); setRotation = false; } And then the Draw Method here // create the destination rectangle for the ninjas current animation frame // pointerX and pointerY are from the joystick moving the ninja around destRect = new Rect(pointerX, pointerY, pointerX + spriteWidth, pointerY + spriteHeight); canvas.drawBitmap(bitmap, getSourceRect(), destRect, null); The animation is four frames long and gets incremented by 66 (the size of one of the frames on the bitmap) for every frame and then back to 0 at the end of the loop.

  Read the article

• #altnetseattle &ndash; Collaboration, Why is it so hard!

  - by GeekAgilistMercenary

  The session convened and we began a discussion about why collaboration is so hard. To work together in software better us engineers have to overcome traditional software approaches (silos of work) and the human element of tending to go off in a corner to work through an issue. It was agreed upon that software engineers are jack asses of jack assery. Breaking down the stoic & silent types by presenting a continuous enthusiasm until the stoic and silent types break down and open up to the group.  Knowing it is ok to ask the dumb question or work through basic things once in a while. Non-work interactions are pivotal to work related collaboration. Collaboration is mostly autonomous of process (i.e. Agile or Waterfall) Latency time should be minimal in the feedback loop for software development. Collaboration is enhanced by Agile Ideals, and things like Scrum or Lean Process. Agile is not a process, Lean and Scrum are process.  Agile is an ideal. Lean, Agile, Scrum, Waterfall, Six Sigma, CMMI, oh dear. . . Great session.  Off to the next session and more brain crunching. . . weeeeeeee!

  Read the article

• Timeout Considerations for Solicit Response

  - by Michael Stephenson

  Background One of the clients I work with had been experiencing some issues for a while surrounding web service timeouts.  It's been a little challenging to work through the problems due to limitations in the diagnostic information available from one of the applications, but I learned some interesting things while troubleshooting the problem which don't seem to have been discussed much in the community so I thought I'd share my findings. In the scenario we have BizTalk trying to make calls to a .net web service which was exposed as a WSE 2 endpoint.  In the process BizTalk will try to make a large number of concurrent web service calls to the application, and the backend application has more than enough infrastructure and capability to handle the load. We have configured the <ConnectionManagement> section of the BizTalk configuration file to support up to 100 concurrent connections from each of our 2 BizTalk send servers to the web servers of the application. The problem we were facing was that the BizTalk side was reporting a significant number of timeouts when calling the web service.   One of the biggest issues was the challenge of being able to correlate a message from BizTalk to the IIS log in the .net application and the custom logs in the application especially when there was a fairly large number of servers hosting the web services.  However the key moment came when we were able to identify a specific call which had taken 40 seconds to execute on the server (yes a long time I know but that's a different story!).  Anyway we were able to identify that this had timed out on the BizTalk side.  Based on the normal 2 minute timeout we knew something unexpected was going on. From here I decided to do some experimentation and I wanted to start outside of BizTalk because my hunch was this was not a BizTalk behaviour but something which was being highlighted by BizTalk because of our large load.     Server-side - Sample Web Service To begin with I created a sample web service.  Nothing special just a vanilla asmx web service hosted in IIS6 on Windows 2003 Standard Edition.  The web service is just a hello world style web service as shown in the below picture.  The only key feature is that the server side web method has a 30 second sleep in it and will trace out some information before and after the thread is set to sleep.      In the configuration for this web service there again is nothing special it's pretty much the most plain simple web service you could build. Client-Side To begin looking at what was happening with our example I created a number of different ways to consume the web service. SoapHttpClientProtocol Example I created a small application which would use a normal proxy generated to call the web service.  It would iterate around a loop and make calls using the begin/end methods so I can do this asynchronously.  I would do a loop of 20 calls with the ConnectionManager configuration section supporting only 5 concurrent connections to the server.     <connectionManagement> <remove address="*"/> <add address = "*" maxconnection = "12" /> <add address = "http://<ServerName>" maxconnection = "5" />                         </connectionManagement> </system.net>     The below picture shows an example of the service calling code, key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service         The Test I would run the client and execute 21 calls to the web service.   The Results  Below is the client side trace showing what's happening on the client. In the below diagram is the web service side trace showing what's happening on the server Some observations on the results are: All of the calls were successful from the clients perspective You could see the next call starting on the server as soon as the previous one had completed Calls took significantly longer than 40 seconds from the start of our call to the return. In fact call 20 took 2 minutes and 30 seconds from the perspective of my code to execute even though I had set the timeout to 40 seconds     WSE 2 Sample In the second example I used the exact same code to call the web service again with a single exception that I modified the web service proxy to derive from WebServiceClient protocol which is part of WSE 2 (using SP3).  The below picture shows the basic code and the key points are: I have configured the timeout of 40 seconds for the proxy I am using the asynchronous methods on the proxy to call the web service        The Test This test would execute 21 calls from the client to the web service.   The Results  The below trace is from the client side: The below trace is from the server side:   Some observations on the trace results for this scenario are: With call 4 if you look at the server side trace it did not start executing on the server for a number of seconds after the other 4 initial calls which were accepted by the server. I re-ran the test and this happened a couple of times and not on most others so at this point I'm just putting this down to something unexpected happening on the development machine and we will leave this observation out of scope of this article. You can see that the client side trace statement executed almost immediately in all cases All calls after the initial few calls would timeout On the client side the calls that did timeout; timed out in a longer duration than the 40 seconds we set as the timeout You can see that as calls were completing on the server the next calls were starting to come through The calls that timed out on the client did actually connect to the server and their server side execution completed successfully     Elaboration on the findings Based on the above observations I have drawn the below sequence diagram to illustrate conceptually what is happening.  Everything except the final web service object is on the client side of the call. In the diagram below I've put two notes on the Web Service Proxy to show the two different places where the different base classes seem to start their timeout counters. From the earlier samples we can work out that the timeout counter for the WSE web service proxy starts before the one for the SoapHttpClientProtocol proxy and the WSE one includes the time to get a connection from the pool; whereas the Soap proxy timeout just covers the method execution. One interesting observation is if we rerun the above sample and increase the number of calls from 21 to 100,000 then for the WSE sample we will see a similar pattern where everything after the first few calls will timeout on the client as soon as it makes a connection to the server whereas the soap proxy will happily plug away and process all of the calls without a single timeout. I have actually set the sample running overnight and this did happen. At this point you are probably thinking the same thoughts I was at the time about the differences in behaviour and which is right and why are they different? I'm not sure there is a definitive answer to this in the documentation, or at least not that I could find! I think you just have to consider that they are different and they could have different effects depending on your messaging solution. In lots of situations this is just not an issue as your concurrent requests doesn't get to the situation where you end up throttling the web service calls on the client side, however this is definitely more common with an integration broker such as BizTalk where you often have high throughput requirements.  Some of the considerations you should make Based on this behaviour you should be aware of the following: In a .net application if you are making lots of concurrent web service calls from an application in an asynchronous manner your user may thing they are experiencing poor performance but you think your web service is working well. The problem could be that the client will have a default of 2 connections to remote servers so you should bear this in mind When you are developing a BizTalk solution or a .net solution with the WSE 2 stack you may experience timeouts under load and throttling the number of connections using the max connections element in the configuration file will not help you For an application using WSE2 or SoapHttpClientProtocol an expired timeout will not throw an error until after a connection to the server has been made so you should consider this in your transaction and durability patterns     Our Work Around In the short term for our specific scenario we know that we can handle this by just increasing our timeout value.  There is only a specific small window when we get lots of concurrent traffic that causes this scenario so we should be able to increase the timeout to take into consideration the additional client side wait, and on the odd occasion where we do get a timeout the BizTalk send port retry will handle this. What was causing our original problem was that for that short window we were getting a lot of retries which significantly increased the load on our send servers and highlighted the issue.  Longer Term Solution As a longer term solution this really gives us more ammunition to argue a migration to WCF. The application we are calling has some factors which limit the protocols we can use but with WCF we would have more control on the various timeout options because in WCF you can configure specific parts of the timeout. Summary I've had this blog post on my to do list for ages but hopefully it will be useful to some people to just understand this behaviour and to possibly help you with some performance issues you may have. I do not believe there is too much in the way of documentation particularly around WSE2 and ASMX in this area so again another bit of ammunition for migrating to WCF. I'll try to do a follow up post with the sample for WCF to show how this changes things.

  Read the article

• POST attack on my website

  - by benhowdle89

  Hi, I have a site (humanisms.co.uk) which incorporates a voting system, ie. user clicks "Up" and it sends a parameter to a PHP script via AJAX, the PHP inserts vote into MYSQL db and the new "Up" vote is sent back to the page to update the vote count. This is working great but i've noticed that the number of votes for one of my questions shot up last night. I viewed my webhosts access logs and saw this line: 108.27.195.232 - - [03/Mar/2011:15:20:18 +0000] "POST /vote.php HTTP/1.1" 200 2 "http://www.humanisms.co.uk/" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_6; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.114 Safari/534.16" This is repeated well over 100 times and sometimes more than once a second. Now i know they probably arent sitting there clicking Vote but running some sort of PHP loop? I'm not worried about SQL injection but what can i do to prevent this same IP address from doing this or what can i do in general to avoid this scenario. I should also say that there's no login so anyone can click using the voting system. Thanks

  Read the article

• Game actions that take multiple frames to complete

  - by CantTetris

  I've never really done much game programming before, pretty straightforward question. Imagine I'm building a Tetris game, with the main loop looking something like this. for every frame handle input if it's time to make the current block move down a row if we can move the block move the block else remove all complete rows move rows down so there are no gaps if we can spawn a new block spawn a new current block else game over Everything in the game so far happens instantly - things are spawned instantly, rows are removed instantly etc. But what if I don't want things to happen instantly (i.e animate things)? for every frame handle input if it's time to make the current block move down a row if we can move the block move the block else ?? animate complete rows disappearing (somehow, wait over multiple frames until the animation is done) ?? animate rows moving downwards (and again, wait over multiple frames) if we can spawn a new block spawn a new current block else game over In my Pong clone this wasn't an issue, as every frame I was just moving the ball and checking for collisions. How can I wrap my head around this issue? Surely most games involves some action that takes more than a frame, and other things halt until the action is done.

  Read the article

• How to use shared_ptr for COM interface pointers

  - by Seefer

  I've been reading about various usage advice relating to the new c++ standard smart pointers unique_ptr, shared_ptr and weak_ptr and generally 'grok' what they are about when I'm writing my own code that declares and consumes them. However, all the discussions I've read seem restricted to this simple usage situation where the programmer is using smart in his/her own code, with no real discussion on techniques when having to work with libraries that expect raw pointers or other types of 'smart pointers' such as COM interface pointers. Specifically I'm learning my way through C++ by attempting to get a standard Win32 real-time game loop up and running that uses Direct2D & DirectWrite to render text to the display showing frames per second. My first task with Direct2D is in creating a Direct2D Factory object with the following code from the Direct2D examples on MSDN: ID2D1Factory* pD2DFactory = nullptr; HRESULT hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &pD2DFactory); pD2DFactory is obviously an 'out' parameter and it's here where I become uncertain how to make use of smart pointers in this context, if indeed it's possible. My inexperienced C++ mind tells me I have two problems: With pD2DFactory being a COM interface pointer type, how would smart_ptr work with the Add() / Release() member functions for a COM object instance? Are smart pointers able to be passed to functions in situations where the function is using an 'out' pointer parameter technique? I did experiment with the alternative of using _com_ptr_t in the comip.h header file to help with pointer lifetime management and declared the pD2DFactory pointer with the following code: _com_ptr_t<_com_IIID<pD2DFactory, &__uuidof(pD2DFactory)>> pD2DFactory = nullptr; and it appears to work so far but, as you can see, the syntax is cumbersome :) So, I was wondering if any C++ gurus here could confirm whether smart pointers are able to help in cases like this and provide examples of usage, or point me to more in-depth discussions of smart pointer usage when needing to work with other code libraries that know nothing of them. Or is it simply a case of my trying to use the wrong tool for the job? :)

  Read the article

• Unit test SHA256 wrapper queries

  - by Sam Leach

  I am just beginning to write unit tests. So please bear with me. I have the following SHA256 wrapper. public static string SHA256(string plainText) { StringBuilder sb = new StringBuilder(); SHA256CryptoServiceProvider provider = new SHA256CryptoServiceProvider(); var hashedBytes = provider.ComputeHash(Encoding.UTF8.GetBytes(plainText)); for (int i = 0; i < hashedBytes.Length; i++) { sb.Append(hashedBytes[i].ToString("x2").ToLower()); } return sb.ToString(); } Do I want to be testing it? If so, what do you recommend? My thought process is as follows: What logic is there here. The answer is my for loop and ToString("x2") so from my understanding I want to be testing this part? I can assume Encoding.UTF8.GetBytes(plainText) works. Correct assumption? I can assume SHA256CryptoServiceProvider.ComputeHash() works. Correct assumption? I want to be only testing my logic. In this case is limited to the printing of hex encoded hash. Correct? Thanks.

  Read the article

• Alternatives for the Snippet Compiler

  - by Marko Apfel

  It seems that the Snippet Compiler is not maintained anymore. So I need an alternative – also for getting syntax highlighting for code in publications. Preferable with the possibility to conserve this highlighting by copying selections to clipboard. Snippet Compiler does not allows this for selections – only by exporting the whole file content to clipboard with HTML- or RTF-formatting (File > Export > HTML to clipboard respectively RTF to clipboard). Today I switched to LINQPad. This application offers constructing LINQ-statements as well as compiling arbitrary code snippets. But there are some other alternatives too: CS-Script - The C# Script Engine CS-Script is a CLR (Common Language Runtime) based scripting system which uses ECMA-compliant C# as a programming language. CS-Script currently targets Microsoft implementation of CLR (.NET 2.0/3.0/3.5. sharpsnippetcompiler C# Snippet Compiler is a tiny IDE to create, debug and run your C# programs CsharpRepl C# interactive shell that is part of Mono's C# compiler. An interactive shell is usually referred to as a read eval print loop or repl. The C# interactive shell is built on top of the Mono.CSharp library, a library that provides a C# compiler service that can be used to evaluate expressions and statements on the flight. What I miss is an alternative with syntax highlighting like in my Visual Studio: Instead of:

  Read the article

• Problem displaying tiles using tiled map loader with SFML

  - by user1905192

  I've been searching fruitlessly for what I did wrong for the past couple of days and I was wondering if anyone here could help me. My program loads my tile map, but then crashes with an assertion error. The program breaks at this line: spacing = atoi(tilesetElement-Attribute("spacing")); Here's my main game.cpp file. #include "stdafx.h" #include "Game.h" #include "Ball.h" #include "level.h" using namespace std; Game::Game() { gameState=NotStarted; ball.setPosition(500,500); level.LoadFromFile("meow.tmx"); } void Game::Start() { if (gameState==NotStarted) { window.create(sf::VideoMode(1024,768,320),"game"); view.reset(sf::FloatRect(0,0,1000,1000));//ball drawn at 500,500 level.SetDrawingBounds(sf::FloatRect(view.getCenter().x-view.getSize().x/2,view.getCenter().y-view.getSize().y/2,view.getSize().x, view.getSize().y)); window.setView(view); gameState=Playing; } while(gameState!=Exiting) { GameLoop(); } window.close(); } void Game::GameLoop() { sf::Event CurrentEvent; window.pollEvent(CurrentEvent); switch(gameState) { case Playing: { window.clear(sf::Color::White); window.setView(view); if (CurrentEvent.type==sf::Event::Closed) { gameState=Exiting; } if ( !ball.IsFalling() &&!ball.IsJumping() &&sf::Keyboard::isKeyPressed(sf::Keyboard::Space)) { ball.setJState(); } ball.Update(view); level.Draw(window); ball.Draw(window); window.display(); break; } } } And here's the file where the error happens: /********************************************************************* Quinn Schwab 16/08/2010 SFML Tiled Map Loader The zlib license has been used to make this software fully compatible with SFML. See http://www.sfml-dev.org/license.php This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. *********************************************************************/ #include "level.h" #include <iostream> #include "tinyxml.h" #include <fstream> int Object::GetPropertyInt(std::string name) { int i; i = atoi(properties[name].c_str()); return i; } float Object::GetPropertyFloat(std::string name) { float f; f = strtod(properties[name].c_str(), NULL); return f; } std::string Object::GetPropertyString(std::string name) { return properties[name]; } Level::Level() { //ctor } Level::~Level() { //dtor } using namespace std; bool Level::LoadFromFile(std::string filename) { TiXmlDocument levelFile(filename.c_str()); if (!levelFile.LoadFile()) { std::cout << "Loading level \"" << filename << "\" failed." << std::endl; return false; } //Map element. This is the root element for the whole file. TiXmlElement *map; map = levelFile.FirstChildElement("map"); //Set up misc map properties. width = atoi(map->Attribute("width")); height = atoi(map->Attribute("height")); tileWidth = atoi(map->Attribute("tilewidth")); tileHeight = atoi(map->Attribute("tileheight")); //Tileset stuff TiXmlElement *tilesetElement; tilesetElement = map->FirstChildElement("tileset"); firstTileID = atoi(tilesetElement->Attribute("firstgid")); spacing = atoi(tilesetElement->Attribute("spacing")); margin = atoi(tilesetElement->Attribute("margin")); //Tileset image TiXmlElement *image; image = tilesetElement->FirstChildElement("image"); std::string imagepath = image->Attribute("source"); if (!tilesetImage.loadFromFile(imagepath))//Load the tileset image { std::cout << "Failed to load tile sheet." << std::endl; return false; } tilesetImage.createMaskFromColor(sf::Color(255, 0, 255)); tilesetTexture.loadFromImage(tilesetImage); tilesetTexture.setSmooth(false); //Columns and rows (of tileset image) int columns = tilesetTexture.getSize().x / tileWidth; int rows = tilesetTexture.getSize().y / tileHeight; std::vector <sf::Rect<int> > subRects;//container of subrects (to divide the tilesheet image up) //tiles/subrects are counted from 0, left to right, top to bottom for (int y = 0; y < rows; y++) { for (int x = 0; x < columns; x++) { sf::Rect <int> rect; rect.top = y * tileHeight; rect.height = y * tileHeight + tileHeight; rect.left = x * tileWidth; rect.width = x * tileWidth + tileWidth; subRects.push_back(rect); } } //Layers TiXmlElement *layerElement; layerElement = map->FirstChildElement("layer"); while (layerElement) { Layer layer; if (layerElement->Attribute("opacity") != NULL)//check if opacity attribute exists { float opacity = strtod(layerElement->Attribute("opacity"), NULL);//convert the (string) opacity element to float layer.opacity = 255 * opacity; } else { layer.opacity = 255;//if the attribute doesnt exist, default to full opacity } //Tiles TiXmlElement *layerDataElement; layerDataElement = layerElement->FirstChildElement("data"); if (layerDataElement == NULL) { std::cout << "Bad map. No layer information found." << std::endl; } TiXmlElement *tileElement; tileElement = layerDataElement->FirstChildElement("tile"); if (tileElement == NULL) { std::cout << "Bad map. No tile information found." << std::endl; return false; } int x = 0; int y = 0; while (tileElement) { int tileGID = atoi(tileElement->Attribute("gid")); int subRectToUse = tileGID - firstTileID;//Work out the subrect ID to 'chop up' the tilesheet image. if (subRectToUse >= 0)//we only need to (and only can) create a sprite/tile if there is one to display { sf::Sprite sprite;//sprite for the tile sprite.setTexture(tilesetTexture); sprite.setTextureRect(subRects[subRectToUse]); sprite.setPosition(x * tileWidth, y * tileHeight); sprite.setColor(sf::Color(255, 255, 255, layer.opacity));//Set opacity of the tile. //add tile to layer layer.tiles.push_back(sprite); } tileElement = tileElement->NextSiblingElement("tile"); //increment x, y x++; if (x >= width)//if x has "hit" the end (right) of the map, reset it to the start (left) { x = 0; y++; if (y >= height) { y = 0; } } } layers.push_back(layer); layerElement = layerElement->NextSiblingElement("layer"); } //Objects TiXmlElement *objectGroupElement; if (map->FirstChildElement("objectgroup") != NULL)//Check that there is atleast one object layer { objectGroupElement = map->FirstChildElement("objectgroup"); while (objectGroupElement)//loop through object layers { TiXmlElement *objectElement; objectElement = objectGroupElement->FirstChildElement("object"); while (objectElement)//loop through objects { std::string objectType; if (objectElement->Attribute("type") != NULL) { objectType = objectElement->Attribute("type"); } std::string objectName; if (objectElement->Attribute("name") != NULL) { objectName = objectElement->Attribute("name"); } int x = atoi(objectElement->Attribute("x")); int y = atoi(objectElement->Attribute("y")); int width = atoi(objectElement->Attribute("width")); int height = atoi(objectElement->Attribute("height")); Object object; object.name = objectName; object.type = objectType; sf::Rect <int> objectRect; objectRect.top = y; objectRect.left = x; objectRect.height = y + height; objectRect.width = x + width; if (objectType == "solid") { solidObjects.push_back(objectRect); } object.rect = objectRect; TiXmlElement *properties; properties = objectElement->FirstChildElement("properties"); if (properties != NULL) { TiXmlElement *prop; prop = properties->FirstChildElement("property"); if (prop != NULL) { while(prop) { std::string propertyName = prop->Attribute("name"); std::string propertyValue = prop->Attribute("value"); object.properties[propertyName] = propertyValue; prop = prop->NextSiblingElement("property"); } } } objects.push_back(object); objectElement = objectElement->NextSiblingElement("object"); } objectGroupElement = objectGroupElement->NextSiblingElement("objectgroup"); } } else { std::cout << "No object layers found..." << std::endl; } return true; } Object Level::GetObject(std::string name) { for (int i = 0; i < objects.size(); i++) { if (objects[i].name == name) { return objects[i]; } } } void Level::SetDrawingBounds(sf::Rect<float> bounds) { drawingBounds = bounds; cout<<tileHeight; //Adjust the rect so that tiles are drawn just off screen, so you don't see them disappearing. drawingBounds.top -= tileHeight; drawingBounds.left -= tileWidth; drawingBounds.width += tileWidth; drawingBounds.height += tileHeight; } void Level::Draw(sf::RenderWindow &window) { for (int layer = 0; layer < layers.size(); layer++) { for (int tile = 0; tile < layers[layer].tiles.size(); tile++) { if (drawingBounds.contains(layers[layer].tiles[tile].getPosition().x, layers[layer].tiles[tile].getPosition().y)) { window.draw(layers[layer].tiles[tile]); } } } } I really hope that one of you can help me and I'm sorry if I've made any formatting issues. Thanks!

  Read the article

• Should I give the answer to a failed interview coding exercise?

  - by GlenH7

  We had a senior level interview candidate fail a nuance of the FizzBuzz question*. I mean, really, utterly, completely, failed the question - not even close. I even coached him through to thinking about using a loop and that 3 and 5 were really worth considering as special cases. He blew it. Just for QA purposes, I gave the same exact question to three teammates; gave them 5 minutes; and then came back to collect their pseudo-code. All of them nailed it and hadn't seen the question before. Two asked what the trick was... On a different logic exercise, the candidate showed some understanding of some of the features available within the language he chose to use (C#). So it's not as if he had never written a line of code. But his logic still stunk. My question is whether or not I should have given him the answer to the logic questions. He knew he blew them, and acknowledged it later in the interview. On the other hand, he never asked for the answer or what I was expecting to see. I know coding exercises can be used to set candidates up for failure (again, see second link from above). And I really tried to help him home in on answering the core of the question. But this was a senior level candidate and Fizz-Buzz is, frankly, ridiculously easy even with accounting for interview jitters. I felt like I should have shown him a way of solving the problem so that he could at least learn from the experience. But again, he didn't ask. What's the right way to handle that situation? *Okay, that's not the link to the actual FizzBuzz question, but it is a good P.SE discussion around FizzBuzz and links to the various aspects of it.

  Read the article

• Is it just me or is this a baffling tech interview question

  - by Matthew Patrick Cashatt

  Background I was just asked in a tech interview to write an algorithm to traverse an "object" (notice the quotes) where A is equal to B and B is equal to C and A is equal to C. That's it. That is all the information I was given. I asked the interviewer what the goal was but apparently there wasn't one, just "traverse" the "object". I don't know about anyone else, but this seems like a silly question to me. I asked again, "am I searching for a value?". Nope. Just "traverse" it. Why would I ever want to endlessly loop through this "object"?? To melt my processor maybe?? The answer according to the interviewer was that I should have written a recursive function. OK, so why not simply ask me to write a recursive function? And who would write a recursive function that never ends? My question: Is this a valid question to the rest of you and, if so, can you provide a hint as to what I might be missing? Perhaps I am thinking too hard about solving real world problems. I have been successfully coding for a long time but this tech interview process makes me feel like I don't know anything. Final Answer: CLOWN TRAVERSAL!!! (See @Matt's answer below) Thanks! Matt

  Read the article

• Is there a way to add unique items to an array without doing a ton of comparisons?

  - by hydroparadise

  Please bare with me, I want this to be as language agnostic as possible becuase of the languages I am working with (One of which is a language called PowerOn). However, most languanges support for loops and arrays. Say I have the following list in an aray: 0x 0 Foo 1x 1 Bar 2x 0 Widget 3x 1 Whatsit 4x 0 Foo 5x 1 Bar Anything with a 1 should be uniqely added to another array with the following result: 0x 1 Bar 1x 1 Whatsit Keep in mind this is a very elementry example. In reality, I am dealing with 10's of thousands of elements on the old list. Here is what I have so far. Pseudo Code: For each element in oldlist For each element in newlist Compare If values oldlist.element equals newlist.element, break new list loop If reached end of newlist with with nothing equal from oldlist, add value from old list to new list End End Is there a better way of doing this? Algorithmicly, is there any room for improvement? And as a bonus qeustion, what is the O notation for this type of algorithm (if there is one)?

  Read the article

• Velocity control of the player, why doesn't this work?

  - by Dominic Grenier

  I have the following code inside a while True loop: if abs(playerx) < MAXSPEED: if moveLeft: playerx -= 1 if moveRight: playerx += 1 if abs(playery) < MAXSPEED: if moveDown: playery += 1 if moveUp: playery -= 1 if moveLeft == False and abs(playerx) > 0: playerx += 1 if moveRight == False and abs(playerx) > 0: playerx -= 1 if moveUp == False and abs(playery) > 0: playery += 1 if moveDown == False and abs(playery) > 0: playery -= 1 player.x += playerx player.y += playery if player.left < 0 or player.right > 1000: player.x -= playerx if player.top < 0 or player.bottom > 600: player.y -= playery The intended result is that while an arrow key is pressed, playerx or playery increments by one at every iteration until it reaches MAXSPEED and stays at MAXSPEED. And that when the player stops pressing that arrow key, his speed decreases until it reaches 0. To me, this code explicitly says that... But what actually happens is that playerx or playery keeps incrementing regardless of MAXSPEED and continues moving even after the player stops pressing the arrow key. I keep rereading but I'm completely baffled by this weird behavior. Any insights? Thanks.

  Read the article

• libgdx game not disposing

  - by Yesh

  My game does not exit entirely even after calling dispose() method. It loads a black screen when I launch it for the second time and works well if I kill the game manually and restart it. I get an error that says buffer not allocated with newUnsafeByteBuffer or already disposed when I try to dispose off the SpriteBatch object. This is were I suspect the problem to be. But not able to fix it entirely. Please help! Here is how I have built it (I have put the sample code here just to show you guys that there are no visible loop backs in dispose function, please correct me if I'm wrong)- In game screen, public void dispose() { AssetLoader.dispose(); render.dispose(); Gdx.app.exit(); } Under class AssetLoader- public void dispose(){ Texture.dispose(); sound.dispose(); } Under game render class - public void dispose(){ spritebatch.dispose(); //throws an error when I GameScreen.dispose is called font.dispose(); shaperender.dispose(); } I believe that my spritebatch isn't disposing which is causing the black screen but I cannot find a way to dispose it off successfully. Any help would be greatly appreciated.

  Read the article

• Effective way to check if an Entity/Player enters a region/trigger

  - by Chris

  I was wondering how multiplayer games detect if you enter a special region. Let's assume there is a huge map that is so big that simply checking it would become a huge performance issue. I've seen bukkit (a modding API for Minecraft servers) firing an Event on every single move. I don't think that larger games do the same because even if you have only a few coordinates you are interested in, you have to loop through a few trigger zone to see if the player is inside your region - for every player. This seems like an extremely CPU-intense operation to me even though I've never developed something like that. Is there a special algorithm that is used by larger games to accomplish this? The only thing I could imagine is to split up the world into multiple parts and to register the event not on the movement itself but on all the parts that are covered by your area and only check for areas that are registered in the current part. And another thing I would like to know: How could you detect when someone must have entered a trigger but you never saw him directly in it since his client only sent you an move packet shortly before entering and after leaving the trigger area. Drawing a line and calculate all colliding parts seems rather CPU intensive if you have to perform it every time.

  Read the article

• The Return Of __FILE__ And __LINE__ In .NET 4.5

  - by Alois Kraus

  Good things are hard to kill. One of the most useful predefined compiler macros in C/C++ were __FILE__ and __LINE__ which do expand to the compilation units file name and line number where this value is encountered by the compiler. After 4.5 versions of .NET we are on par with C/C++ again. It is of course not a simple compiler expandable macro it is an attribute but it does serve exactly the same purpose. Now we do get CallerLineNumberAttribute  == __LINE__ CallerFilePathAttribute        == __FILE__ CallerMemberNameAttribute  == __FUNCTION__ (MSVC Extension)   The most important one is CallerMemberNameAttribute which is very useful to implement the INotifyPropertyChanged interface without the need to hard code the name of the property anymore. Now you can simply decorate your change method with the new CallerMemberName attribute and you get the property name as string directly inserted by the C# compiler at compile time.   public string UserName { get { return _userName; } set { _userName=value; RaisePropertyChanged(); // no more RaisePropertyChanged(“UserName”)! } } protected void RaisePropertyChanged([CallerMemberName] string member = "") { var copy = PropertyChanged; if(copy != null) { copy(new PropertyChangedEventArgs(this, member)); } } Nice and handy. This was obviously the prime reason to implement this feature in the C# 5.0 compiler. You can repurpose this feature for tracing to get your hands on the method name of your caller along other stuff very fast now. All infos are added during compile time which is much faster than other approaches like walking the stack. The example on MSDN shows the usage of this attribute with an example public static void TraceMessage(string message, [CallerMemberName] string memberName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { Console.WriteLine("Hi {0} {1} {2}({3})", message, memberName, sourceFilePath, sourceLineNumber); }   When I do think of tracing I do usually want to have a API which allows me to Trace method enter and leave Trace messages with a severity like Info, Warning, Error When I do print a trace message it is very useful to print out method and type name as well. So your API must either be able to pass the method and type name as strings or extract it automatically via walking back one Stackframe and fetch the infos from there. The first glaring deficiency is that there is no CallerTypeAttribute yet because the C# compiler team was not satisfied with its performance.   A usable Trace Api might therefore look like   enum TraceTypes { None = 0, EnterLeave = 1 << 0, Info = 1 << 1, Warn = 1 << 2, Error = 1 << 3 } class Tracer : IDisposable { string Type; string Method; public Tracer(string type, string method) { Type = type; Method = method; if (IsEnabled(TraceTypes.EnterLeave,Type, Method)) { } } private bool IsEnabled(TraceTypes traceTypes, string Type, string Method) { // Do checking here if tracing is enabled return false; } public void Info(string fmt, params object[] args) { } public void Warn(string fmt, params object[] args) { } public void Error(string fmt, params object[] args) { } public static void Info(string type, string method, string fmt, params object[] args) { } public static void Warn(string type, string method, string fmt, params object[] args) { } public static void Error(string type, string method, string fmt, params object[] args) { } public void Dispose() { // trace method leave } } This minimal trace API is very fast but hard to maintain since you need to pass in the type and method name as hard coded strings which can change from time to time. But now we have at least CallerMemberName to rid of the explicit method parameter right? Not really. Since any acceptable usable trace Api should have a method signature like Tracexxx(… string fmt, params [] object args) we not able to add additional optional parameters after the args array. If we would put it before the format string we would need to make it optional as well which would mean the compiler would need to figure out what our trace message and arguments are (not likely) or we would need to specify everything explicitly just like before . There are ways around this by providing a myriad of overloads which in the end are routed to the very same method but that is ugly. I am not sure if nobody inside MS agrees that the above API is reasonable to have or (more likely) that the whole talk about you can use this feature for diagnostic purposes was not a core feature at all but a simple byproduct of making the life of INotifyPropertyChanged implementers easier. A way around this would be to allow for variable argument arrays after the params keyword another set of optional arguments which are always filled by the compiler but I do not know if this is an easy one. The thing I am missing much more is the not provided CallerType attribute. But not in the way you would think of. In the API above I did add some filtering based on method and type to stay as fast as possible for types where tracing is not enabled at all. It should be no more expensive than an additional method call and a bool variable check if tracing for this type is enabled at all. The data is tightly bound to the calling type and method and should therefore become part of the static type instance. Since extending the CLR type system for tracing is not something I do expect to happen I have come up with an alternative approach which allows me basically to attach run time data to any existing type object in super fast way. The key to success is the usage of generics.   class Tracer<T> : IDisposable { string Method; public Tracer(string method) { if (TraceData<T>.Instance.Enabled.HasFlag(TraceTypes.EnterLeave)) { } } public void Dispose() { if (TraceData<T>.Instance.Enabled.HasFlag(TraceTypes.EnterLeave)) { } } public static void Info(string fmt, params object[] args) { } /// <summary> /// Every type gets its own instance with a fresh set of variables to describe the /// current filter status. /// </summary> /// <typeparam name="T"></typeparam> internal class TraceData<UsingType> { internal static TraceData<UsingType> Instance = new TraceData<UsingType>(); public bool IsInitialized = false; // flag if we need to reinit the trace data in case of reconfigured trace settings at runtime public TraceTypes Enabled = TraceTypes.None; // Enabled trace levels for this type } } We do not need to pass the type as string or Type object to the trace Api. Instead we define a generic Api that accepts the using type as generic parameter. Then we can create a TraceData static instance which is due to the nature of generics a fresh instance for every new type parameter. My tests on my home machine have shown that this approach is as fast as a simple bool flag check. If you have an application with many types using tracing you do not want to bring the app down by simply enabling tracing for one special rarely used type. The trace filter performance for the types which are not enabled must be therefore the fasted code path. This approach has the nice side effect that if you store the TraceData instances in one global list you can reconfigure tracing at runtime safely by simply setting the IsInitialized flag to false. A similar effect can be achieved with a global static Dictionary<Type,TraceData> object but big hash tables have random memory access semantics which is bad for cache locality and you always need to pay for the lookup which involves hash code generation, equality check and an indexed array access. The generic version is wicked fast and allows you to add more features to your tracing Api with minimal perf overhead. But it is cumbersome to write the generic type argument always explicitly and worse if you do refactor code and move parts of it to other classes it might be that you cannot configure tracing correctly. I would like therefore to decorate my type with an attribute [CallerType] class Tracer<T> : IDisposable to tell the compiler to fill in the generic type argument automatically. class Program { static void Main(string[] args) { using (var t = new Tracer()) // equivalent to new Tracer<Program>() { That would be really useful and super fast since you do not need to pass any type object around but you do have full type infos at hand. This change would be breaking if another non generic type exists in the same namespace where now the generic counterpart would be preferred. But this is an acceptable risk in my opinion since you can today already get conflicts if two generic types of the same name are defined in different namespaces. This would be only a variation of this issue. When you do think about this further you can add more features like to trace the exception in your Dispose method if the method is left with an exception with that little trick I did write some time ago. You can think of tracing as a super fast and configurable switch to write data to an output destination or to execute alternative actions. With such an infrastructure you can e.g. Reconfigure tracing at run time. Take a memory dump when a specific method is left with a specific exception. Throw an exception when a specific trace statement is hit (useful for testing error conditions). Execute a passed delegate which e.g. dumps additional state when enabled. Write data to an in memory ring buffer and dump it when specific events do occur (e.g. method is left with an exception, triggered from outside). Write data to an output device. …. This stuff is really useful to have when your code is in production on a mission critical server and you need to find the root cause of sporadic crashes of your application. It could be a buggy graphics card driver which throws access violations into your application (ok with .NET 4 not anymore except if you enable a compatibility flag) where you would like to have a minidump or you have reached after two weeks of operation a state where you need a full memory dump at a specific point in time in the middle of an transaction. At my older machine I do get with this super fast approach 50 million traces/s when tracing is disabled. When I do know that tracing is enabled for this type I can walk the stack by using StackFrameHelper.GetStackFramesInternal to check further if a specific action or output device is configured for this method which is about 2-3 times faster than the regular StackTrace class. Even with one String.Format I am down to 3 million traces/s so performance is not so important anymore since I do want to do something now. The CallerMemberName feature of the C# 5 compiler is nice but I would have preferred to get direct access to the MethodHandle and not to the stringified version of it. But I really would like to see a CallerType attribute implemented to fill in the generic type argument of the call site to augment the static CLR type data with run time data.

  Read the article

• 10 Innovations in PeopleSoft 9.2 - #2 Lower TCO With The Peoplesoft Update Manager

  - by John Webb

  With the new PeopleSoft Update Manager in PeopleSoft 9.2 the way you manage updates to your PeopleSoft systems puts you in control of all changes on your schedule.   You can selectively apply patches with reduced time, effort, and cost.    Bundles and Maintenance Packs are no longer used.      Instead, a tailored custom package is automatically generated based on the parameters you select from the latest PeopleSoft source image.   You have access to all updates from Oracle on a cumulative basis and can select and search for specific updates such as new features, legal and regulatory changes, or a patch related to a specific issue, process or object.    Any prerequisites are automatically identified.  The  process of generating a change package is enabled through a new wizard with easy to follow steps and options.     As changes are introduced to your test environment the PeopleSoft Test Framework provides a closed loop process to run regression tests scripts against your changes.  For a quick overview of the PeopleSoft Update Manager check out the Video Feature Overview here: PeopleSoft Update Manager Video Feature Overview

  Read the article

• Algorithm allowing a good waypoint path following?

  - by Thierry Savard Saucier

  I'm more looking into how should I implement this, either a tutorial or even the name of the concept I'm missing. I'm pretty sure some basic pathfinding algorithm could help me here, but I dont know which one ... I have a worldmap, with different cities on it. The player can choose a city from a menu, or click on an available cities on the world map, and the toon should walk over there. But I want him to follow a predefine path. Lets say our hero is on the city 1. He clicks on city 4. I want him to follow the path to city 2 and from there to city 4. I was handling this easily with arrow movement (left right top bottom) since its a single check. Now I'm not sure how I should do this. Should I loop threw each possible path and check which one leads me to D the fastest ... and if I do how do I avoid running in circle forever with cities 1-5-2 ?

  Read the article

• What platform to use for browser based turn based strategy game

  - by sunwukung

  I want to write a browser based strategy game that can be played by two players in separate locations. The game itself is predominantly turn based. To that end, I want to determine the correct platform on which to build this game. To prevent gamers "gaming" the system, the business logic needs to reside in the server. I could arguably use AJAX for a large part of the games functionality, but at two key points in the game loop, the opposing player can "counter" the current players move. In addition, when it's time for the players to swap, AJAX polling is likely to fall short, so it's starting to look like WebSockets is going to be a requirement to pull this off smoothly. So, the remaining question is regarding the back end. I'd kinda like to build this in Python/Flask - but this is primarily out of wanting to tackle a project with that language, not neccessarily because it's the appropriate tool for the job. The next most likely candidate has got to be NodeJS given it's (apparently) tighter integration with the WebSockets protocol. My question, then, is regarding the best platform on which to pursue this objective.

  Read the article

• CodePlex Daily Summary for Monday, October 24, 2011

  CodePlex Daily Summary for Monday, October 24, 2011Popular ReleasesPeople's Note: People's Note 0.31: Added note tag editing. Changed note edit conflict resolution to keep the latest version. To install: copy the appropriate CAB file onto your WM device and run it.Windows Azure Toolkit for Windows Phone: Windows Azure Toolkit for Windows Phone v1.3.1: Upgraded Windows Azure projects to Windows Azure Tools for Microsoft Visual Studio 2010 1.5 – September 2011 Upgraded the tools tools to support the Windows Phone Developer Tools RTW Update SQL Azure only scenarios to use ASP.NET Universal Providers (through the System.Web.Providers v1.0.1 NuGet package) Changed Shared Access Signature service interface to support more operations Refactored Blobs API to have a similar interface and usage to that provided by the Windows Azure SDK Stor...Workflow Automation (for Dynamics CRM 2011): Release 1.0: Initial release version 1.0.Window Manipulation with the Microsoft Touch Mouse: Window Touch v1.0: This is the initial release of the Window Touch software, which may have bugs and incomplete interactions. Please be patient with us as we work out all of the kinks, and feel free to send comments. To install and run the program download and double click the .msi file below. Make sure you already have a Microsoft Touch Mouse and can use it before installing.xUnit.net Contrib: xunitcontrib-resharper 0.4.4 (dotCover): xunitcontrib release 0.4.4 (ReSharper runner) This release provides a test runner plugin for Resharper 6.0 RTM, targetting all versions of xUnit.net. (See the xUnit.net project to download xUnit.net itself.) This release addresses the following issues:Support for dotCover code coverage 4132 Note that this build work against ALL VERSIONS of xunit. The files are compiled against xunit.dll 1.8 - DO NOT REPLACE THIS FILE. Thanks to xunit's version independent runner system, this package can r...BookShop: BookShop: BookShop WP7 clientRibbon Editor for Microsoft Dynamics CRM 2011: Ribbon Editor (0.1.2122.266): Added CodePlex and PayPal links New icon Bug fix: can't connect to an IFD deployment when the discovery service url has been customizedSiteMap Editor for Microsoft Dynamics CRM 2011: SiteMap Editor (1.0.921.340): Added CodePlex and PayPal links New iconMVCQuick: MVCQuick 0.3.1: Features??NHibernate 3.2??Repository（ORuM） ??Spring.Net 1.3.2??Container（IoC） ??Common.Logging 1.2??Logging ASP.NET Security Provider?? ??MVCQuick.Framework??MusicStoreDotNet.Framework.Common: DotNet.Framework.Common 4.0: ??????????，????????????XML Explorer: XML Explorer 4.0.5: Changes in 4.0.5: Added 'Copy Attribute XPath to Address Bar' feature. Added methods for decoding node text and value from Base64 encoded strings, and copying them to the clipboard. Added 'ChildNodeDefinitions' to the options, which allows for easier navigation of parent-child and ID-IDREF relationships. Discovery happens on-demand, as nodes are expanded and child nodes are added. Nodes can now have 'virtual' child nodes, defined by an xpath to select an identifier (usually relative to ...Media Companion: MC 3.419b Weekly: A couple of minor bug fixes, but the important fix in this release is to tackle the extremely long load times for users with large TV collections (issue #130). A note has been provided by developer Playos: "One final note, you will have to suffer one final long load and then it should be fixed... alternatively you can delete the TvCache.xml and rebuild your library... The fix was to include the file extension so it doesn't have to look for the video file (checking to see if a file exists is a...CODE Framework: 4.0.11021.0: This build adds a lot of our WPF components, including our MVVC and MVC components as well as a "Metro" and "Battleship" style.GridLibre para Visual FoxPro: GridLibre para Visual FoxPro v3.5: GridLibre Para Visual FoxPro: esta herramienta ayudara a los usuarios y programadores en los manejos de los datos, como Filtrar, multiseleccion y el autoformato a las columnas como la asignacion del controlsource.Umbraco CMS: Umbraco 5.0 CMS Alpha 3: Umbraco 5 Alpha 3Umbraco 5 (aka Jupiter) will be the next version of everyone's favourite, friendly ASP.NET CMS that already powers over 100,000 websites worldwide. Try out the Alpha of v5 today! If you're new to Umbraco and would like to get a low-down on our popular and easy-to-learn approach to content management, check out our intro video. What's Alpha 3?This is our third Alpha release. It's intended for developers looking to become familiar with the codebase & architecture, or for thos...Vkontakte WP: Vkontakte: source codeWay2Sms Applications for Android, Desktop/Laptop & Java enabled phones: Way2SMS Desktop App v2.0: 1. Fixed issue with sending messages due to changes to Way2Sms site 2. Updated the character limit to 160 from 140GART - Geo Augmented Reality Toolkit: 1.0.1: About Release 1.0.1 Release 1.0.1 is a service release that addresses several issues and improves performance. As always, check the Documentation tab for instructions on how to get started. If you don't have the Windows Phone SDK yet, grab it here. Breaking Change Please note: There is a breaking change in this release. As noted below, the WorldCalculationMode property of ARItem has been replaced by a user-definable function. ARItem is now automatically wired up with a function that perform...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.32: Fix for issue #16710 - string literals in "constant literal operations" which contain ASP.NET substitutions should not be considered "constant." Move the JS1284 error (Misplaced Function Declaration) so it only fires when in strict mode. I got a couple complaints that people didn't like that error popping up in their existing code when they could verify that the location of that function, although not strict JS, still functions as expected cross-browser.Naked Objects: Naked Objects Release 4.0.110.0: Corresponds to the packaged version 4.0.110.0 available via NuGet. Please note that the easiest way to install and run the Naked Objects Framework is via the NuGet package manager: just search the Official NuGet Package Source for 'nakedobjects'. It is only necessary to download the source code (from here) if you wish to modify or re-build the framework yourself. If you do wish to re-build the framework, consul the file HowToBuild.txt in the release. Documentation Please note that after ...New Projects360zebra4en: 360zebra???AG: Web Framework that can leverage silverlight, but fall back on native html if silverlight is not available.BookShop: BookShop ????? ???? ? ????????????? ?????????.CompendiumImport: Import data from Dungeons & Dragons Compendium to Masterplan librariesCS 6235 Arbiter Server: CS 6235 Arbiter ServerDual numbers for automatic differentiation: Dual numbers can be used to automatically calculate numerically stable derivatives of functions.Effort - Entity Framework Unit Testing Tool: Effort is a powerful unit testing tool that brings an easy way to create unit tests for Entity Framework based applications. It can manipulate the behavior of EntityConnection or ObjectContext objects, so that the data operations are executed by a fake in-process database, while omitting the real database completely. This mechanism makes possible to remove the dependency between your unit test and the real database.FlexiCache for ASP.NET applications: This library provides extended cache capabilities to the ASP.NET applications. It includes the MongoDB and SQL Server output cache providers extending ASP.NET Output Cache capabilities by allowing to store cached data outside of the application process that is especially important in web-farm scenario. This library provides "Session-On-Demand" functionality - ability to separate ASP.NET Session data to subsets that can be stored outside of the main ASP.NET session and loaded on demand w...HtmlAgilityPackContrib - Logical extension to HtmlAgilityPack: HtmlAgilityPackContrib - A logical extension to HtmlAgilityPack to parse HTML using jQuery like methods inspired by jSoupjsonhttphandler: The JsonHttpHandler is a simple JSON oriented Http handler to easily integrate JSON GET, POST, and JSONP web services into your application.My Recent Documents: This Webpart for Sharepoint 2010 is developed for users that need help finding the last number of documents they have been working on. The target user have trouble location where he/she placed their documents. This Webpart gives the following features... 1. Locate your last edited documents.. 2. Customize how many documents the webpart should find. 3. Should it look in subsites also? 4. Show the structure in where the documents are located and click easy link to either document lib...Option pricing for arbitrary distributions: European option pricing with arbitrary distributions using dual numbers to calculate greeks.Project Tracy: ????????？ ????????？ ????????10??????？ ???????????????????????。。。。。 ???！Tracy?????????????！（?RegSharp: RegSharp provides server functionality for Sencha Extjs (http://www.sencha.com/products/extjs/) paging grid. RegSharp implements sorting, filtering and paging logic on the server side that is required for using the paging grid. Is't developed in C#SharePoint/TFS Continuous Integration Starter Pack: Provides a customized TFS Build workflow and PowerShell scripts to get started with Continuous Integration (automated builds) in SharePoint 2010/TFS 2010. This pack will allow you to automatically build and deploy WSPs using TFS, and optionally also include automated testing as part of the build such as Visual Studio 2010's Coded UI Tests. Sharp Investor: Sharp Investor pools various online sources as well as preforms a couple local calculation to return recommended stocks. The program is easy to use, and requires very little work to find profitable stocks online. It's developed in C#.SharpXML: Aims to be a simpler library for interacting with XML files that exposes attributes and children elements as properties and objects respectively.Splash: Splash is an interactive MediaCenter-style YouTube client written in WPF.TomCdc: TomCdc is a solution which makes tracking of sql databse changes easy. Quick and simple installation process allows to start using the solution in just a few minutes. It supports all versions of Microsoft Sql server. You'll no longer have to write triggers manually to find out what process is changing data in a table.Track your work: Another work-time tracker TumblePower: TumblePower is a simplified API library for Tumblr. Use it in your application to post Text, Photos, Quotes, Links, Chats, Audio and Videos as well as set functions such as tags, dates and choose whether the post should be private or not.VisualBASH: This project aims to extends Visual Studio's language support to include bash scripting. This includes syntax highlighting, code completion, and syntax error checking.Window Manipulation with the Microsoft Touch Mouse: Window Manipulation for the Microsoft Touch Mouse provides a set of simple gestures for moving and resizing windows.Workflow Automation (for Dynamics CRM 2011): Workflow Automation for Dynamics CRM 2011 allows user to automate or schedule workflow execution via Windows Task Scheduler. XNA Model Viewer: The XNA Model Viewer allows you to load FBX files and view them. It allows you to test that models will work in XNA, determine the effect of modifying bone transforms, and view animation clips. You can examine the bones and meshes and see the complete hierarchy.

  Read the article

• Summary of the Solaris 11 webcast's livechat QnA session

  - by Karoly Vegh

  This is a followup post to the previous summary on the "What's new with Solaris 11 since the launch" webcast. That webcast has had a chatroom for a live Questions and Answers session running. I went through the archive of those and compiled a list of some of the (IMHO) most relevant and most frequently asked questions, I'd like to share. This is the first part, covering the QnA of Session I and II of the webcast, in a followup post we can have a look of the rest of the sessions if required - let me know in the comments. Also, should you have questions, as usual, feel free to ask those there, too.  ...and here come the answered questions:  When will Exadata be based on Solaris in place of Oracle Enterprise Linux?Exadata offers both Solaris 11 or Oracle Enterprise Linux.  The choice can be made at deployment time based on your OS needs.What are all other benefits and futures avilable in solaris 11 (cloud O.S.) compared to cloud based Red Hat Linux and Windows?suggest you check out our cloud white paper for a view of this. Also the OTN Solaris 11 page has some good articles. Here are the links:  http://www.oracle.com/technetwork/server-storage/solaris11/documentation/o11-106-sol11-cloud-501066.pdf http://www.oracle.com/technetwork/server-storage/solaris11/overview/index.htmlWill 11.1 have a more complete IPS respository for Oracle and FOSS software?Yes, we are adding additional packages to the various package repositories. Since Solaris 11 was launched, both the Oracle Solaris Studio tools as well as Oracle Solaris Cluster have been made available along with numerous new FOSS packages. We will continue to be adding additional Oracle products and open source packages in the future. Will Exadata be based on Sparc in place of intel-amd x86 in next future ?We can't publically discuss futures, but we actually have a SPARC version of Exadata today, it's called SuperCluster, this is such a powerfull multipurpose system that it actually have multiple personalities built into one system: Exadata, Exalogic, and it can be a general purpose platform if you want. Have I understood this right? Livepatching KSplice-style is coming to Solaris 11 too?We're looking at that for certain types of Solaris patches in the future.Will there be a security framework like SST/JASS for Solaris 11?We can't talk about the future projects on a public forum, but we recognize the need for SST/JASS and want to address this as soon as possible. On the other side there are a whole bunch of "best practices" that are now embedded into Solaris 11 by default, so out of the box Solaris 11 should already address part of what SST/JASS gave you. (For example we did a lot of work on improving the auditing performance so that we can now have it turned on by default). On x86 can install VirtualBox in a Zone and use that to host other OSes.Yes, this was one of the first things we made sure would work when we acquired VirtualBox when we were still Sun Microsystems. If I have a Solaris 11 Control Domain on a T-series, can I run a Solaris 10 Ldom with Solaris 8 branded containers?Yes, you can.Is Oracle Solaris free or do we need to purchase?Solaris is free, the entitlement to run it comes either with a Sun system (new or historical) or for 3rd party systems the entitlement comes with a support contract. Note that for production use you will be expected to get a support contract. If you don't want to use the Solaris system (Sun or 3rd party) for production use (i.e. development) you can get an OTN license on the Oracle Technical Network website. Will encryption and deduplication both work on a share?This should work at the same time. What approaches does Solaris use to monitor usage?There are many different tools in Solaris to monitor usage. The main ones are the "stats" (vmstat, mpstat, prstat, ...), the kstat interface, and DTrace (to get details you couldn't see before). And then there are layered tools that can interface with these tools (Ops Center, BMC, CA, Tivoli, ...) Apart little-endian, big-endian how is it easy to port Solaris applications on Sparc to x86 and vice-versa ?Very easy. Except for certain hardware specific applications (those that utilize hardware specific drivers), all of the same Oracle Solaris APIs exist for all architectures. Is IPS based patching aware of the fact that zones can reside on ZFS and move from one physical server to another ?IPS is definitely aware of zones and uses ZFS to support boot environments for non-global zones in the same way that's used for the global zone. With respect to moving a zone from one physical server to another, Solaris 11 supports to the same zone attach/deattach method that was introduced in Solaris 10. Is vnic support in Ldoms planned?This is currently being investigated for a future LDOM release. Is it possible with the new patching system to build a system later with the same patch level as a system built a few months earlier?Yes, you can choose/define exactly which version should go to the system and it will always put the same bits in place. The technical answer is that you choose the version of the "entire" package you want on the system and the rest flows from there. Is it in the plans to allow zones to add/remove zpools to running zones dynamically in future updates?Work in this area is currently under investigation. Any plans to realese Solaris 11 source code? i.e. opensolaris?We currently can't comment on publicly releasing the source code. If you need/want this access please let your Oracle account team know. What about VirtualBox and Solaris11 for virtualization?Solaris 11 works great with VirtualBox, as both a client and a host system. Will Oracle DB software eventually be supplied as IPS packages? When?We don't have a date yet but this is actively being worked on. What are the new artifacts in Oracle Solaris 11 than the previous versions?There are quite a few actually. The best start is to look at our "Evaluate Solaris 11" page, and there you also can find a Transition Guide. http://www.oracle.com/technetwork/server-storage/solaris11/overview/evaluate-1530234.html So, this seems just like RedHat's YUM environment?IPS offers certain features beyond those in YUM or other packaging systems. For example, IPS works with ZFS and Solaris Boot Environments to provide a safe environment for software lifecycle management so that changes can be reverted by switching to an older boot environment. With Zones on solaris 11, can I do paravirtualitation?The great thing about zones is you don't *need* paravirtualization. You're making the same direct kernel calls that you would outside of a zone.  It's an incredibly significant performance win over hypervisor-based virtualization. Are zones/containers officially supported to run Oracle Databases?  EBIZ?Hi Calvin, the answer is yes, here is the support matrix for DB:  http://www.oracle.com/technetwork/database/virtualizationmatrix-172995.html I've found some nasty bugs in Solaris 11 (one of which today) that have been fixed in community forks (i.e., Illumos). Will Oracle ever restart collaboration with the community?We continue to work with the community, just not as open on all projects as we did before (For example IPS is an open project) and the source of more than half of the Solaris packages is posted on our opensource websites. I can't comment on what we will do in the future. And with regards to bugs please file them through the support organization and we will get them resolved. Is zpool vdev removal on-the fly now possible ?This issue is actively being investigated although we don't have a date for when this feature will be available. Is pgstat now the official replacement for corestat ?It's intended to provide similar functionality Where are the opensource website?For Oracle Solaris, visit http://www.oracle.com/technetwork/opensource/systems-solaris-1562786.html As a cloud-scale virtualization, is it going to be easier to move zones between machines? maybe even automatic in case of a hardware failure?Hi Gashaw, we already have customers that have implemented what they refer to as "flying zones" that they can move around very easily. They use Solaris Cluster to do this. What about VMware vMotion like feature?We have secure live migration with both Logical Domains on SPARC T series systems, and with Oracle VM on x86 systems. When running Solaris 10/11 on an enterprise server with a lot of zones, what are best practises commands to show the system is running fine? (has enough hardware resources). For example CPU / Memory / I/O / system load. What are the recommended values?For Solaris 11, look into the new zonestat(1M) command that provides a great deal of information about zone utilization. In addition, there is new work underway in providing additional observability in areas such as per-zone file system I/O. Java optimizations done with Solaris 11? For X86 platforms too? Where can I find more detail about this?There is lots of work that go into optimizing Java for Oracle Solaris 10 & 11 on both SPARC and x86. See http://www.oracle.com/technetwork/articles/servers-storage-dev/solarisforjavadevelop-168642.pdf What is meant by "ZFS Shadow Migration"?It's a way to migrate data from another file system to ZFS: http://docs.oracle.com/cd/E23824_01/html/E24456/filesystem-3.html Is flash archive available with S11?Flash archive is not.  There is a procedure for disaster recovery, and we're working on a modern archive-based deployment tool for a future update.  The disaster recovery tool is here: http://www.oracle.com/technetwork/articles/servers-storage-admin/o11-091-sol-dis-recovery-489183.html  You can also use Distribution Constructor to build common golden images. Will solaris 11 be available on the ODA soon?The idea's under evaluation -- we'll share your interest with the team. What steps can be taken to ensure that breaches of security are identified quickly?There are a number of tools, including the "bart" tool and "pkg verify" to ensure that software has not been compromised.  Solaris Audit can also be used to detect unauthorized access.  You can also use Immutable Zones to protect against compromise.  There are a wide variety of security tools, and I've covered only a few. What is the relation from solaris to java 7 speed optimization?There is constant work done between the Oracle Solaris and Java teams on performance optimizations. See http://docs.oracle.com/javase/7/docs/technotes/guides/vm/performance-enhancements-7.html for examples. What is the difference in the Solaris 11 installation compared to solaris 10 ? where i can find the document describing basic repository concepts ?The best place to start is: http://www.oracle.com/technetwork/server-storage/solaris11/index.html Hope you found the post useful. For questions, input, requests for the second half of the QnA, please find the comment section below.  -- charlie  

  Read the article

• Rendering Text with the HTML5 Canvas

  - by dwahlin

  In a previous post I walked through the fundamentals of rendering shapes such as squares and circles using the HTML5 Canvas API. In this post I’ll provide a simple example of rendering and rotating text. To render text you can use the fillText() or strokeText() functions which take the text to render as well as the x and y coordinates of where to render it. To rotate text you can use the transform functions available with the HTML5 Canvas such as save(), rotate(), and restore(). To run the live demos that follow click the Result tab in the blue bar of each demo.   Rendering Text This example provides a simple look at how text can be rendered using the HTML5 Canvas. It iterates through a loop, updates the text and font size dynamically, measures the width of the text using the measureText() function, and then calls fillText() to render the text with the desired font size to the screen.   Here’s what the code above renders:   Rotating Text This example shows how text can be rendered and even rotated by using transform functions built into the HTML5 Canvas. The code starts by rendering text the standard way using fillText(). It then saves the state of the canvas performs an x,y coordinate transform (moves to 100, 300 respectively) and then rotates the canvas –90 degrees using the rotate() function. After the text is rendered, the canvas is reverted back to it’s existing state (saved by calling the save() function) by calling the restore() function. An additional line of text is then rendered.   Here’s what the code above renders:   If you’re interested in learning more about the HTML5 Canvas and how it can be used in your Web or Windows 8 applications, check out my HTML5 Canvas Fundamentals course from Pluralsight.

  Read the article

< Previous Page | 624 625 626 627 628 629 630 631 632 633 634 635  | Next Page >