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• Offline MySQL installation (Using deb file and no internet connection)

  - by Muhammad Gelbana

  I downloaded MySQL's installation package and ran the following command after installing a fresh Ubuntu server. dpkg -i mysql-5.5.28-debian6.0-x86_64.deb It installed fine and then I tried starting up the server manually /opt/mysql/server-5.5/bin/mysqld And the following error came up /opt/mysql/server-5.5/bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory How can I install that library in an offline way ? I have no means whatsoever to an internet connection from that server and I can't even relocate it to have internet connection temporarily ! Thank you.

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• BUILD 2013 day 1 Keynote recap for devs

  - by pluginbaby

  Only 7 months after the previous BUILD event, Microsoft is hosting a new BUILD conference in San Francisco (June 26-28, 2013).   Notable announcements of day 1: The Windows 8.1 preview is available today Preview of Internet Explorer 11 Visual Studio 2013 Preview and .NET Framework 4.5.1 Preview are both available The Windows Store has been redesigned and is now much more interesting, both for users and developers Windows Phone 8 annual Dev Center registration is reduced to $19 for the next 60 days! (normally $99 for individuals and companies)     Also to check out: Windows 8.1 Preview Product Guide for Developers http://msdn.microsoft.com/en-US/windows/apps/bg184615 F12 Tools in Internet Explorer 11 Preview has been rebuilt from the ground up: http://msdn.microsoft.com/en-us/library/ie/bg182632   Watch the entire keynote online: http://channel9.msdn.com/Events/Build/2013/1-001 Read the full transcript: http://www.microsoft.com/en-us/news/Speeches/2013/06-26Build2013.aspx

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• Cool examples of procedural pixel shader effects?

  - by Robert Fraser

  What are some good examples of procedural/screen-space pixel shader effects? No code necessary; just looking for inspiration. In particular, I'm looking for effects that are not dependent on geometry or the rest of the scene (would look okay rendered alone on a quad) and are not image processing (don't require a "base image", though they can incorporate textures). Multi-pass or single-pass is fine. Screenshots or videos would be ideal, but ideas work too. Here are a few examples of what I'm looking for (all from the RenderMonkey samples): PS - I'm aware of this question; I'm not asking for a source of actual shader implementations but instead for some inspirational ideas -- and the ones at the NVIDIA Shader Library mostly require a scene or are image processing effects. EDIT: this is an open-ended question and I wish there was a good way to split the bounty. I'll award the rep to the best answer on the last day.

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• Is there a good book to grok C++?

  - by Paperflyer

  This question got me thinking. I would say I am a pretty experienced C++ programmer. I use it a lot at work, I had some courses on it at the university, I can understand most C++ code I find out there without problems. Other languages you can pretty much learn by using them. But every time I use a new C++ library or check out some new C++ code by someone I did not know before, I discover a new set of idioms C++ has to offer. Basically, this has lead me to believe that there is a lot of stuff in C++ that might be worth knowing but that is not easily discoverable. So, is there a good book for a somewhat experienced C++ programmer to step up the game? You know, to kind of 'get' that language the way you can 'get' Ruby or Objective-C, where everything just suddenly makes sense and you start instinctively knowing 'that C++ way of thing'?

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• CodePlex Daily Summary for Monday, May 12, 2014

  CodePlex Daily Summary for Monday, May 12, 2014Popular ReleasesMySqlBackup.NET - MySQL Backup Solution for C#, VB.NET, ASP.NET: MySqlBackup.NET 2.0.4: - Remove "SET GLOBALmax_allowed_packet". It will take effect on new connection, not on current. - Clean up. Remove old and inappropriate IntelliSense. - Minor update.SSIS SFTP Task Control Flow Component: SSIS SFTP v2 for SQL Server 2012: Please report you to the Documentation page for installation instructions.ExtJS based ASP.NET Controls: FineUI v4.0.6: FineUI（???） ?? ExtJS ??? ASP.NET ??? FineUI??? ?? No JavaScript，No CSS，No UpdatePanel，No ViewState，No WebServices ??????? ?????? IE 8.0+、Chrome、Firefox、Opera、Safari ???? Apache License v2.0 ?：ExtJS ?? GPL v3 ?????(http://www.sencha.com/license) ???? ??：http://fineui.com/ ??：http://fineui.com/bbs/ ??：http://fineui.com/demo/ ??：http://fineui.com/doc/ ??：http://fineui.codeplex.com/ FineUI ???? ExtJS ????????，???? ExtJS ?，?????： 1. ????? FineUI ? ExtJS ? http://fineui.com/bbs/forum.ph...TerraMap (Terraria World Map Viewer): TerraMap 1.0.3.33908: Added support for the new Terraria v1.2.4 update. New items, walls, and tiles Fixed Issue 35206: Hightlight/Find doesn't work for Demon Altars The setup file will make sure .NET 4 is installed, install TerraMap, create desktop and start menu shortcuts, add a .wld file association, and launch TerraMap. If you prefer the zip file, make sure you have .NET Framework v4.5 installed, then just download and extract the ZIP file, and run TerraMap.exe.Office App Model Samples: Office App Model Samples v2.0: Office App Model Samples v2.0Readable Passphrase Generator: KeePass Plugin 0.13.0: Version 0.13.0 Added "mutators" which add uppercase and numbers to passphrases (to help complying with upper, lower, number complexity rules). Additional API methods which help consuming the generator from 3rd party c# projects. 13,160 words in the default dictionary (~600 more than previous release).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.25.0: Release v1.0.25.0 MemberInfo/MethodInfo popup is now positioned properly to fit the screen In MethodInfo popup method signatures are word-wrapped Implemented Debug text value visualizer Pining sub-values from Watch PanelxFunc: xFunc 2.15.3: Added #53R.NET: R.NET 1.5.12: R.NET 1.5.12 is a beta release towards R.NET 1.6. You are encouraged to use 1.5.12 now and give feedback. See the documentation for setup and usage instructions. Main changes for R.NET 1.5.12: The C stack limit was not disabled on Windows. For reasons possibly peculiar to R, this means that non-concurrent access to R from multiple threads was not stable. This is now fixed, with the fix validated with a unit test. Thanks to Odugen, skyguy94, and previously others (evolvedmicrobe, tomasp) fo...CTI Text Encryption: CTI Text Encryption 5.2: Change log: 5.2 - Remove Cut button. - Fixed Reset All button does not reset encrypted text column. - Switch button location between Copy and Paste. - Enable users to use local fonts to display characters of their language correctly. (A font settings file will be saved at the same folder of this program.) 5.1 - Improve encryption process. - Minor UI update. - Version 5.1 is not compatible with older version. 5.0 - Improve encryption algorithm. - Simply inner non-encryption related mec...SEToolbox: SEToolbox 01.029.006 Release 1: Fix to allow keyboard search on load dialog. (type the first few letters of your save) Fixed check for new release. Changed the way ship details are loaded to alleviate load time for worlds with very large ships (100,000+ blocks). Fixed Image importer, was incorrectly listing 'Asteroid' as import option. Minor changes to menus (text and appearance) for clarity and OS consistency. Added in reading of world palette for color dialog editor. WIP on subsystem editor. Can now multiselec...Media Companion: Media Companion MC3.597b: Thank you for being patient, againThere are a number of fixes in place with this release. and some new features added. Most are self explanatory, so check out the options in Preferences. Couple of new Features:* Movie - Allow save Title and Sort Title in Title Case format. * Movie - Allow save fanart.jpg if movie in folder. * TV - display episode source. Get episode source from episode filename. Fixed:* Movie - Added Fill Tags from plot keywords to Batch Rescraper. * Movie - Fixed TMDB s...SimCityPak: SimCityPak 0.3.0.0: Contains several bugfixes, newly identified properties and some UI improvements. Main new features UI overhaul for the main index list: Icons for each different index, including icons for different property files Tooltips for all relevant fields Removed clutter Identified hundreds of additional properties (thanks to MaxisGuillaume) - this should make modding gameplay easierSeal Report: Seal Report 1.4: New Features: Report Designer: New option to convert a Report Source into a Repository Source. Report Designer: New contextual helper menus to select, remove, copy, prompt elements in a model. Web Server: New option to expand sub-folders displayed in the tree view. Web Server: Web Folder Description File can be a .cshtml file to display a MVC View. Views: additional CSS parameters for some DIVs. NVD3 Chart: Some default configuration values have been changed. Issues Addressed:16 ...Magick.NET: Magick.NET 6.8.9.002: Magick.NET linked with ImageMagick 6.8.9.0.VidCoder: 1.5.22 Beta: Added ability to burn SRT subtitles. Updated to HandBrake SVN 6169. Added checks to prevent VidCoder from running with a database version newer than it expects. Tooltips in the Advanced Video panel now trigger on the field labels as well as the fields themselves. Fixed updating preset/profile/tune/level settings on changing video encoder. This should resolve some problems with QSV encoding. Fixed tunes and profiles getting set to blank when switching between x264 and x265. Fixed co...NuGet: NuGet 2.8.2: We will be releasing a 2.8.2 version of our own NuGet packages and the NuGet.exe command-line tool. The 2.8.2 release will not include updated VS or WebMatrix extensions. NuGet.Server.Extensions.dll needs to be used alongside NuGet-Signed.exe to provide the NuGet.exe mirror functionality.MVC - Filtered TextBox: SourceCode: The complete source code archived as a zip file.SmartStore.NET - Free ASP.NET MVC Ecommerce Shopping Cart Solution: SmartStore.NET 2.0.2: SmartStore.NET 2.0.2 is primarily a maintenance release for version 2.0.0, which has been released on April 04 2014. It contains several improvements & important fixes. BugfixesIMPORTANT FIX: Memory leak leads to OutOfMemoryException in application after a while Installation fix: some varchar(MAX) columns get created as varchar(4000). Added a migration to fix the column specs. Installation fix: Setup fails with exception Value cannot be null. Parameter name: stream Bugfix for stock iss...Channel9's Absolute Beginner Series: Windows Phone 8.1: Entire source code for Windows Phone 8.1 Absolute Beginner Series.New Projects2112110080: VÕ TU?N ANH_L?P TRÌNH HU?NG Ð?I TU?NG(OOP)Arquitectura de Proyecto: Este proyecto es una referencia pensada y creada para la comunidad de desarrolladores, basado en capas (Layer) e Inspirado en SOLID.EControl: Projeto integrador 4º Semestre de BSI - SENACFactory Pattern: A sample codes that implements Factory Patterns.FM??????: ????????. ?????. Microsoft Dynamics NAV 2013 R2 - OpenXml Samples: Samples for extending the OpenXml funcitonality used in Microsoft Dynamics NAV 20013 R2 Excel Buffer.OCBiz: ocbizOffice 365 Drive Mapping for Enterprise Desktops: Office 365 Drive Mapping for use with Enterprise Desktops. Allows users to utilize the technology known as SharePoint Online for folder redirection.Repo Pattern: This project will help you understand the Repository Pattern.. :)Roll20 Custom Power Card Macro Generator: Create HoneyBadger's Custom Power Cards for the Roll20 Virtual Tabletop easier with this GUI tool!SharpLog: A simple high-peformance portable logging framework for .NET, which follows simple convention over configuration, and works with PCL.Star Trek Online Fan Page: school project Subtitle RT: This is a Windows Runtime App that loads and display subtitles to accompany a video playback on next to it.TomLibraries: Ce projet regroupe tous mes Helpers en C# et en XAML que je me sers dans mes projets.TP Cuatrimestral Laboratorio V: Proyecto universitario para la materia laboratorio v para tssi de la utn frgpUnfolnt Copyright: ???????? ?? ?????? ????, ?????????? ????? ?????????????? ????? ??????? ????? ?? ?????? ?? ?????? ? ??????? Unfolnt.Viser Informacioni sistem: Informator visoke škole elektrotehnike i racunarstva namenjen studentima, posetiocima i nastavnom osoblju.Visual Studio Online App for Zendesk: The Visual Studio Online App for Zendesk allows users to integrate Visual Studio Online with Zendesk.Visual Studio Screensaver: A nice screensaver with the Visual Studio logo in the middle and a color changing background.Z SqlBulkCopy Extensions: SqlBulkCopy Extensions provide MUST-HAVE methods with outstanding performance missing from the SqlBulkCopy class like Delete, Update, Merge, Upsert.??????-??????【??】??????????: ????????????????,????????,??????????????,?????????,????,????,??????。 ?????-?????【??】?????????: ???????????????,????(??)????????，??????，????，???，????，???????! ?????-?????【??】?????????: ????????????????????,????????,????????,????,????,??????，???????! ??????-??????【??】??????????: ??????????????,??????????????,???????????,??????,????,??????,??????。 ?????-?????【??】?????????: ???????????????????,?????????。????????????,??????,????,????,?????????！ ?????-?????【??】?????????: ????????????????,?????????????。?????????,???????,???????,?????????????。 ???????-???????【??】???????????: ?????????????????,????????,????:???????,??????,????,????,?????,?????,??????! ??????-??????【??】??????????: ????????????????、??????、??????、??????、??????、?????、??????、????、????、????????！ ??????-??????【??】??????????: ??????????????????,?????,???，???、???、?????,???,?????,???????????????. ??????-??????【??】??????????: ????????????:???????,????,????,????,??????????,????,????,????。??????... ????-????【??】????????: ?????????????????????，?????、???、????，????，???、???、???、???、???，????，?????！?????-?????【??】?????????: ?????????????300??,????????、???????、????、????????、?????,??????:????,????,???????！ ?????-?????【??】?????????: ???????????????,??????????????????,????????,??????????????、????。

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• obiee 10g teradata Solaris deployment

  - by user554629

  I have 3-4 years worth of notes on proper Teradata deployment across multiple operating systems.   The topic that is too large to cover succinctly in a blog entry.   I'm trying something new:  document a specific situation, consolidate the facts, document diagnostic procedures and then clone the structure to cover other obiee deployments (11g and other operating systems). Until the icon below is removed, this blog entry may be revised frequently.  No construction between June 6th through June 25th. Getting started obiee 10g certification:  pg 24-25 Teradata V2R5.1.x - V2R6.2, Client 13.10, certified 10.1.3.4.1obiee 10g documentation: Deployment Guide, Server Administration, Install/Config Guideobiee overview: teradata connectivity downloads: ( requires registration )solaris odbc drivers: sparc 13.10:  Choose 13.10.00.04  ( ReadMe ) sparc 14.00: probably would work, but not certified by Oracle on 10g I assume you have obiee 10.1.3.4.1 installed; 10.1.3.4.2 would be a better choice. Teradata odbc install requires root for Solaris pkgadd Only 1 version of Teradata odbc can be installed.symbolic links to the current version are created in /usr/lib at install obiee implementation background database access has two types of implementation:  native and odbcnative drivers use DB vendor client interfaces for accessodbc drivers are provided by the DB vendor for DB accessTeradata is an odbc interface Database. odbc drivers require an ODBC Driver Managerobiee uses Merant Data Direct driver manager obiee servers communicate with one another using odbc.The internal odbc driver is implemented by the obiee team and requires Merant Driver Manager. Teradata supplies a Driver Manager, which is built by Merant, but should not be used in obiee. The nqsserver shared library deployment looks like this  OBIEE Server<->DataDirect Manager<->Teradata Driver<->Teradata Database nqsserver startup $ cd $BI/setup$ . ./sa-init64.sh$ run-sa.sh autorestart64 The following files are referenced from setup:  .variant.sh  user.sh  NQSConfig.INI  DBFeatures.INI  $ODBCINI ( odbc.ini )  sqlnet.ora How does nqsserver connect to Teradata? A teradata DSN is created in the RPD. ( TD71 )setup/odbc.ini contains: [ODBC Data Sources] TD71=tdata.so[TD71]Driver=/opt/tdodbc/odbc/drivers/tdata.soDescription=Teradata V7.1.0DBCName=###.##.##.### LastUser=Username=northwindPassword=northwindDatabase=DefaultDatabase=northwind setup/user.sh contains LIBPATH\=/opt/tdicu/lib_64\:/usr/odbc/lib\:/usr/odbc/drivers\:/usr/lpp/tdodbc/odbc/drivers\:$LIBPATHexport LIBPATH   setup/.variant.sh contains if [ "$ANA_SERVER_64" = "1" ]; then  ANA_BIN_DIR=${SAROOTDIR}/server/Bin64  ANA_WEB_DIR=${SAROOTDIR}/web/bin64  ANA_ODBC_DIR=${SAROOTDIR}/odbc/lib64         setup/sa-run.sh  contains . ${ANA_INSTALL_DIR}/setup/.variant.sh. ${ANA_INSTALL_DIR}/setup/user.sh logfile="${SAROOTDIR}/server/Log/nqsserver.out.log"${ANA_BIN_DIR}/nqsserver -quiet >> ${logfile} 2>&1 &   nqsserver is running: nqsserver produces $BI/server/nqsserver.logAt startup, the native database drivers connect and record DB versions.tdata.so is not loaded until a Teradata DB connection is attempted.    Teradata odbc client installation Accept all the defaults for pkgadd.   Install in /opt. $ mkdir odbc$ cd odbc$ gzip -dc ../tdodbc__solaris_sparc.13.10.00.04.tar.gz | tar -xf - $ sudo su# pkgadd -d . TeraGSS# pkgadd -d . tdicu1310# pkgadd -d . tdodbc1310   Directory Notes: /opt/teradata/client/13.10/odbc_64/lib/tdata.soThe 64-bit obiee library loaded by nqsserver. /opt/teradata/client/13.10/odbc_64/lib is not needed in LD_LIBRARY_PATH /opt/teradata/client/13.10/tdicu/lib64is needed in LD_LIBRARY_PATH /usr/odbc should not be referenced;  it is a link to 32-bit libraries LD_LIBRARY_PATH_64 should not be used.     Useful bash functions and aliases export SAROOTDIR=/export/home/dw_adm/OracleBIexport TERA_HOME=/opt/teradata/client/13.10 export ORACLE_HOME=/export/home/oracle/product/10.2.0/clientexport ODBCINI=$SAROOTDIR/setup/odbc.iniexport TD_ICU_DATA=$TERA_HOME/tdicu/lib64alias cds="alias | grep '^alias cd' | sed 's/^alias //' | sort"alias cdtd="cd $TERA_HOME; ls" alias cdtdodbc="cd $TERA_HOME/odbc_64; ls -l"alias cdtdicu="cd $TERA_HOME/tdicu/lib64; ls -l"alias cdbi="cd $SAROOTDIR; ls"alias cdbiodbc="cd $SAROOTDIR/odbc; ls -l"alias cdsetup="cd $SAROOTDIR/setup; ls -ltr"alias cdsvr="cd $SAROOTDIR/server; ls"alias cdrep="cd $SAROOTDIR/server/Repository; ls -ltr"alias cdsvrcfg="cd $SAROOTDIR/server/Config; ls -ltr"alias cdsvrlog="cd $SAROOTDIR/server/Log; ls -ltr"alias cdweb="cd $SAROOTDIR/web; ls"alias cdwebconfig="cd $SAROOTDIR/web/config; ls -ltr"alias cdoci="cd $ORACLE_HOME; ls"pkgfiles() { pkgchk -l $1 | awk  '/^Pathname/ {print $2}'; }pkgfind()  { pkginfo | egrep -i $1 ; } Examples: $ pkgfind td$ pkgfiles tdodbc1310 | grep 64$ cds$ cdtdodbc$ cdsetup$ cdsvrlog$ cdweblog

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• Good PHP BOOKS for starters!

  - by Goma

  I started reading some PHP books. Most of them in their introduction say that this book , unlike other books, it follows a good habits and practices. Now, I do not know which book tells the truth, and which writer is the most experienced in PHP. These are the books that I had a quick look to their first chapter: PHP and MySQL Web Development (Developer's Library) by Luke Welling and Laura Thomson. Build Your Own Database Driven Web Site Using PHP & MySQL by Kevin Yank. PHP and MySQL for Dummies by Janet Valade. Now, it's your time to advise me and tell me about the excellent one that follows best practices, please give an advice from your experience. (It could be any other book!). Regards,

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• running jar in a terminal using axis2

  - by Emilio

  I'm trying to run in the command line a java application distributed in a jar file. It call an axis2 web service, so the jar contains a /axis2client directory with rampart.mar security module. It works fine while I run it in netbeans, but it throws an exception if I try to run it in a terminal using this command: java -jar myfile.jar The Exception: org.apache.axis2.AxisFault: invalid url: //file:/home/xxx/Desktop/myfile.jar!/axis2client/ (java.net.MalformedURLException: no protocol: //file:/home/xxx/Desktop/myfile.jar) As you can see, it's trying to use the /axis2client directory inside the jar, as when I run it in Netbeans, but It fails with a MalformedURLException. I think it's something about the protocol 'file:', probably '//file:/' must be 'file:///'. The problem is that I cannot change this call to the directory because the method that loads the /axis2client directory it's not mine, it's from another library that use my project and include all the axis2 support. So, any idea?? Thanks in advance lads!

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• Is Morton Code algorithm patented?

  - by Statement

  Synonyms: Morton Code, Morton Curve, Z-Order Curve, invented 1966 by G. M. Morton according to wiki. Not to be confused with Hilbert Curves which is closely related and have similar name. I was wondering if mentioned algorithm is patented. More generally, is there any place one can browse patented algorithms? I am quite new to all this legal stuff and I am keen to know more. The real question I have, I guess, is: Can I make money off a library that provides Morton Coding, legally?

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• Pre-Populate the AppFabric Cache

  When I start talking to people about the caching functionality that is part of Windows Server AppFabric I am usually asked "What is the AppFabric Cache?"  The MSDN page at http://msdn.microsoft.com/en-us/library/ee790954.aspx provides a great overview (below) as well as additional information.  The Cache is defined as: "Windows Server AppFabric caching features use a cluster of servers that communicate with each other to form a single, unified application cache system. As a distributed...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Starting to make 2D games in C++

  - by Ashley

  I'm fairly experienced with C and C#, but I've only ever created console/windows applications. I'm also experienced with AS3 and I've made some flash games. I want to make proper 2D games in C++, but I have no idea where to begin with graphics. There are entire books devoted to game development in C++ that only work with console applications and I'm finding the lack of resources and tutorials for proper 2D games frustrating... I'm also not particularly interested in using existing engines because I want total control of what I create. I've heard of the Allegro library; is it something important/popular that I should look into? How will I use DirectX? Any resources or links to tutorials or information is greatly appreciated.

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• Why is there no generic implementation of OrderedDictionary in .net?

  - by nonot1

  Why did Microsoft not provide generic implementation of OrderedDictionary? There are a few custom implementations I've seen, including: http://www.codeproject.com/KB/recipes/GenericOrderedDictionary.aspx But why did Microsoft not include it in the base .net library? Surely they had a reason for not building a generic.... but what is it? Prior to posting this message, I did see: http://stackoverflow.com/questions/2629027/no-generic-implementation-of-ordereddictionary But that just confirms that it does not exist. Not why it does not exist. Thanks

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• Detecting long held keys on keyboard

  - by Robinson Joaquin

  I just want to ask if can I check for "KEY"(keyboard) that is HOLD/PRESSED for a long time, because I am to create a clone of breakout with air hockey for 2 different human players. Here's the list of my concern: Do I need other/ 3rd party library for KEY HOLDS? Is multi-threading needed? I don't know anything about this multi-threading stuff and I don't think about using one(I'm just a NEWBIE). One more thing, what if the two players pressed their respective key at the same time, how can I program to avoid error or worse one player's key is prioritized first before the the key of the other. example: Player 1 = W for UP & S for DOWN Player 2 = O for UP & L for DOWN (example: W & L is pressed at the same time) PS: I use GLUT for the visuals of the game.

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• Basic WCF Unit Testing

  - by Brian

  Coming from someone who loves the KISS method, I was surprised to find that I was making something entirely too complicated. I know, shocker right? Now I'm no unit testing ninja, and not really a WCF ninja either, but had a desire to test service calls without a) going to a database, or b) making sure that the entire WCF infrastructure was tip top. Who does? It's not the environment I want to test, just the logic I’ve written to ensure there aren't any side effects. So, for the K.I.S.S. method: Assuming that you're using a WCF service library (you are using service libraries correct?), it's really as easy as referencing the service library, then building out some stubs for bunking up data. The service contract We’ll use a very basic service contract, just for getting and updating an entity. I’ve used the default “CompositeType” that is in the template, handy only for examples like this. I’ve added an Id property and overridden ToString and Equals. [ServiceContract] public interface IMyService { [OperationContract] CompositeType GetCompositeType(int id); [OperationContract] CompositeType SaveCompositeType(CompositeType item); [OperationContract] CompositeTypeCollection GetAllCompositeTypes(); } The implementation When I implement the service, I want to be able to send known data into it so I don’t have to fuss around with database access or the like. To do this, I first have to create an interface for my data access: public interface IMyServiceDataManager { CompositeType GetCompositeType(int id); CompositeType SaveCompositeType(CompositeType item); CompositeTypeCollection GetAllCompositeTypes(); } For the purposes of this we can ignore our implementation of the IMyServiceDataManager interface inside of the service. Pretend it uses LINQ to Entities to map its data, or maybe it goes old school and uses EntLib to talk to SQL. Maybe it talks to a tape spool on a mainframe on the third floor. It really doesn’t matter. That’s the point. So here’s what our service looks like in its most basic form: public CompositeType GetCompositeType(int id) { //sanity checks if (id == 0) throw new ArgumentException("id cannot be zero."); return _dataManager.GetCompositeType(id); } public CompositeType SaveCompositeType(CompositeType item) { return _dataManager.SaveCompositeType(item); } public CompositeTypeCollection GetAllCompositeTypes() { return _dataManager.GetAllCompositeTypes(); } But what about the datamanager? The constructor takes care of that. I don’t want to expose any testing ability in release (or the ability for someone to swap out my datamanager) so this is what we get: IMyServiceDataManager _dataManager; public MyService() { _dataManager = new MyServiceDataManager(); } #if DEBUG public MyService(IMyServiceDataManager dataManager) { _dataManager = dataManager; } #endif The Stub Now it’s time for the rubber to meet the road… Like most guys that ever talk about unit testing here’s a sample that is painting in *very* broad strokes. The important part however is that within the test project, I’ve created a bunk (unit testing purists would say stub I believe) object that implements my IMyServiceDataManager so that I can deal with known data. Here it is: internal class FakeMyServiceDataManager : IMyServiceDataManager { internal FakeMyServiceDataManager() { Collection = new CompositeTypeCollection(); Collection.AddRange(new CompositeTypeCollection { new CompositeType { Id = 1, BoolValue = true, StringValue = "foo 1", }, new CompositeType { Id = 2, BoolValue = false, StringValue = "foo 2", }, new CompositeType { Id = 3, BoolValue = true, StringValue = "foo 3", }, }); } CompositeTypeCollection Collection { get; set; } #region IMyServiceDataManager Members public CompositeType GetCompositeType(int id) { if (id <= 0) return null; return Collection.SingleOrDefault(m => m.Id == id); } public CompositeType SaveCompositeType(CompositeType item) { var existing = Collection.SingleOrDefault(m => m.Id == item.Id); if (null != existing) { Collection.Remove(existing); } if (item.Id == 0) { item.Id = Collection.Count > 0 ? Collection.Max(m => m.Id) + 1 : 1; } Collection.Add(item); return item; } public CompositeTypeCollection GetAllCompositeTypes() { return Collection; } #endregion } So it’s tough to see in this example why any of this is necessary, but in a real world application you would/should/could be applying much more logic within your service implementation. This all serves to ensure that between refactorings etc, that it doesn’t send sparking cogs all about or let the blue smoke out. Here’s a simple test that brings it all home, remember, broad strokes: [TestMethod] public void MyService_GetCompositeType_ExpectedValues() { FakeMyServiceDataManager fake = new FakeMyServiceDataManager(); MyService service = new MyService(fake); CompositeType expected = fake.GetCompositeType(1); CompositeType actual = service.GetCompositeType(2); Assert.AreEqual<CompositeType>(expected, actual, "Objects are not equal. Expected: {0}; Actual: {1};", expected, actual); } Summary That’s really all there is to it. You could use software x or framework y to do the exact same thing, but in my case I just didn’t really feel like it. This speaks volumes to my not yet ninja unit testing prowess.

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• 2D Platformer Collision Handling

  - by defender-zone

  Hello, everyone! I am trying to create a 2D platformer (Mario-type) game and I am some having some issues with handling collisions properly. I am writing this game in C++, using SDL for input, image loading, font loading, etcetera. I am also using OpenGL via the FreeGLUT library in conjunction with SDL to display graphics. My method of collision detection is AABB (Axis-Aligned Bounding Box), which is really all I need to start with. What I need is an easy way to both detect which side the collision occurred on and handle the collisions properly. So, basically, if the player collides with the top of the platform, reposition him to the top; if there is a collision to the sides, reposition the player back to the side of the object; if there is a collision to the bottom, reposition the player under the platform. I have tried many different ways of doing this, such as trying to find the penetration depth and repositioning the player backwards by the penetration depth. Sadly, nothing I've tried seems to work correctly. Player movement ends up being very glitchy and repositions the player when I don't want it to. Part of the reason is probably because I feel like this is something so simple but I'm over-thinking it. If anyone thinks they can help, please take a look at the code below and help me try to improve on this if you can. I would like to refrain from using a library to handle this (as I want to learn on my own) or the something like the SAT (Separating Axis Theorem) if at all possible. Thank you in advance for your help! void world1Level1CollisionDetection() { for(int i; i < blocks; i++) { if (de2dCheckCollision(ball,block[i],0.0f,0.0f)==true) { int up = 0; int left = 0; int right = 0; int down = 0; if(ball.coords[0] < block[i].coords[0] && block[i].coords[0] < ball.coords[2] && ball.coords[2] < block[i].coords[2]) { left = 1; } if(block[i].coords[0] < ball.coords[0] && ball.coords[0] < block[i].coords[2] && block[i].coords[2] < ball.coords[2]) { right = 1; } if(ball.coords[1] < block[i].coords[1] && block[i].coords[1] < ball.coords[3] && ball.coords[3] < block[i].coords[3]) { up = 1; } if(block[i].coords[1] < ball.coords[1] && ball.coords[1] < block[i].coords[3] && block[i].coords[3] < ball.coords[3]) { down = 1; } cout << left << ", " << right << ", " << up << ", " << down << ", " << endl; if (left == 1) { ball.coords[0] = block[i].coords[0] - 16.0f; ball.coords[2] = block[i].coords[0] - 0.0f; } if (right == 1) { ball.coords[0] = block[i].coords[2] + 0.0f; ball.coords[2] = block[i].coords[2] + 16.0f; } if (down == 1) { ball.coords[1] = block[i].coords[3] + 0.0f; ball.coords[3] = block[i].coords[3] + 16.0f; } if (up == 1) { ball.yspeed = 0.0f; ball.gravity = 0.0f; ball.coords[1] = block[i].coords[1] - 16.0f; ball.coords[3] = block[i].coords[1] - 0.0f; } } if (de2dCheckCollision(ball,block[i],0.0f,0.0f)==false) { ball.gravity = -0.5f; } } } To explain what some of this code means: The blocks variable is basically an integer that is storing the amount of blocks, or platforms. I am checking all of the blocks using a for loop, and the number that the loop is currently on is represented by integer i. The coordinate system might seem a little weird, so that's worth explaining. coords[0] represents the x position (left) of the object (where it starts on the x axis). coords[1] represents the y position (top) of the object (where it starts on the y axis). coords[2] represents the width of the object plus coords[0] (right). coords[3] represents the height of the object plus coords[1] (bottom). de2dCheckCollision performs an AABB collision detection. Up is negative y and down is positive y, as it is in most games. Hopefully I have provided enough information for someone to help me successfully. If there is something I left out that might be crucial, let me know and I'll provide the necessary information. Finally, for anyone who can help, providing code would be very helpful and much appreciated. Thank you again for your help!

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• Making fonts render similarly across browsers

  - by Zach L.

  I am building a website for a client, and we had hoped to use plain text, not images in the navigation bar. The font we are using is Century Gothic (I believe that this font is available on the majority of PCs and Macs) The problem is, that on different browsers the font renders significantly differnt. In Chrome we got it looking the way we want, but in firefox the text is smaller and bolder. Aside from writing browser specific javascript to alter the font properties, are there any other options to standardize the way the fonts are rendered cross-browser. Perhaps some library or API? Maybe its a matter of being more specific in declaring font properties? Honestly I am stuck and need help.

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• Visual Studio 2010 Setup Projects and x64 Support

  - by Shawn Cicoria

  I was taking the Windows Azure CmdLets project and getting it into an MSI just to make it easier to deploy in a nice package.  I ran into problems with the Setup project not being able to properly establish the right registry settings for an x64 environment. Even though you set the target platform on the Setup project to x64 the InstallUtil.lib that get’s run is still x86.  In order to have it work property, you need to follow the steps identified here: http://msdn.microsoft.com/en-us/library/kz0ke5xt.aspx  The section “64-bit managed custom actions throw a System.BadImageFormatException exception” covers the steps you need to follow, using the Orca MSI editor to replace the InstallUtilLib.dll from the one that the Setup Project embeds (x86) to a x64 version. Now, works like a charm… Resultant installer here: http://cicoria.com/Downloads/AzureManagementCmdletsInstall.msi The CmdLets are the same ones from the Training Kit – November 2010 release.

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• Organizing ASP.Net Single Page Application with Nancy

  - by OnesimusUnbound

  As a personal project, I'm creating a single page, asp.net web application using Nancy to provide RESTful services to the single page. Due to the complexity of the single page, particularly the JavaScripts used, I've think creating a dedicated project for the client side of web development and another for service side will organize and simplify the development. solution | +-- web / client side (single html page, js, css) | - contains asp.net project, and nancy library | to host the modules in application project folder | +-- application / service (nancy modules, bootstrap for other layer) | . . . and other layers (three tier, domain driven, etc) . Is this a good way of organizing a complex single page application? Am I over-engineering the web app, incurring too much complexity?

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• Books, resources and so on about GUI architecture [on hold]

  - by Moses

  I'm making first steps in GUI programming. Earlier I've had little experience with GUI and I remember that it was kind of pain. Code was either coupled or to verbose with tons of "Listeners". It seems to me that problem in me and not in a library that I used(Swing). So, could you recommend me some books, tutorials or resources where I can find how to design gui programms? Emphasize that I'm interested in architecture and not in how to use components of some framework(which about 90% of tutorials that I've ever seen).

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• Workflow with Flash Pro CS6 and FlashDevelop: Using fla and swc to store assets

  - by Arthur Wulf White

  I am using this tutorial: http://www.flashdevelop.org/wikidocs/index.php?title=AS3:FlexAndFlashCS3Workflow In the past older versions of Flash Pro I was able to complete these steps: right-click on the symbol in the Library panel, select "Linkage..." dialog, check "Export for ActionScript" and fill in the symbol name (ie. MySymbol_design or assets.MySymbol_design), do not change the base class (ie. flash.display.MovieClip). Right now, I am stuck at that part. Any hints? What I wish to do is: Use fla for the artist to store assets. Publish to swc Extract the assets in FlashDevelop by creating an instance of their class. ... How is this done in CS6? To clear things up, this is what I see when I right click a Flash symbol:

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• Approach on Software Development Architecture

  - by john ryan

  Hi i am planning to standardize our way of creating project for our new projects. Currently we are using 3tier architecture where we have our ClassLibrary Project where it includes our Data Access Layer and Business Layer Something like: Solution ClassLibrary >ClassLibrary Project : >DAL(folder) > DAL Classes >BAL(folder) > BAL Classes And this Class Library dll was reference on our presentation Layer Project which are the Application(web/desktop) Something like: Solution WebUniversitySystem >Libraries(folder) > ClassLibrary.dll >WebUniversitySystem(Project): >Reference ClassLibrary.dll >Pages etc... Now i am planning to do is something like: Solution WebUniversitySystem >DataAccess(Project) >BusinesLayer(Project) >Reference DAL >WebUniversitySystem(Project): >Reference BAL >Pages etc... Is this Ok ? Or there is a good Approach that we can follow? Thanks In Regards

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• Can the overuse of custom taglibs disrupt the outsourcing of html designers?

  - by Renato Gama

  Yesterday me and a friend were talking about the overuse of custom taglibs! We create taglibs for everything! We create taglibs in order to wrap jQuery UI elements (tabs, button, etc), and other plugins elements as well. We often wrap them together in a single component. We use taglibs in a point that we almost have no pure html within the body tag. Our question is: is this a healthy habit??? Imagine two situations: 1) We hire an html designer and have the cost of a month for him to learn all this stuff. 2) We want to outsource the html development but no company would get our taglib library to learn, OR it become more expensive. We love taglibs as its been a lovely shortcut for javascipt development as we write it only once. What would be the best practices in this sense, and what would you suggest? We are looking for a future-proof solution (or an argument that agrees with ours).

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• How to shorten brain context switch delay when need to use new technology\framework?

  - by gasan

  The problem is when I have to deal with a new framework\library\language it completely slows my work process, at first it's kind of shock, you're sitting on your place about a day doing nothing surfing the net, because you simply can't do anything even read docs, then, on the second day I realize that I definitely should do something and starting read about it, then I realize that I don't understand it, then I'm reading until I got feeling that I should show some results immediately and then I'm writing the code quite fast and the job doesn't seem to be difficult. Then job is done and I won't probably return to that technology\framework for a month or a year or never at all. And I will almost certainly forget almost everything about it after a month. To illustrate by checkpoints I experience: shock, long studying times, work with the new tech briefly, never use it afterwards, then I completely forget it. So what would be the solution here?

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• Are there any alternative JS ports of Box2D?

  - by Petteri Hietavirta

  I have been thinking about creating a top down 2D car game for HTML5. For my first game I wrote the physics and collisions my self but for this one I would like to use some ready made library. I found out Box2D and its JS port. http://box2d-js.sourceforge.net It seems to be quite old port, made in 2008. Is it lacking many features of current Box2D or does it have major issues with it? And are there any alternatives for it?

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• UPK Pre-built Content Now Available for Additional Product Lines

  - by Karen Rihs

  UPK pre-built content development efforts are always underway and growing, and now include the recent release of new UPK pre-built content modules for three additional product lines! Oracle Utilities for Meter Data Management 2.0.1 Administrative Setup User Tasks VEE and Usage Rules Working with Measurement Data Fusion 11g Release 1 Functional Setup Manager General Ledger Global Human Resources Project Portfolio Management Self Service Procurement Oracle Crystal Ball 11.1.2 Oracle Crystal Ball For the most recent list of modules currently available for each product line, visit the UPK Resource Library on Oracle.com. For more information on how your organization can take advantage of UPK pre-built content, see our previous blog, The Value of UPK Pre-Built Content.  - Karen Rihs, UPK Outbound Product Management

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