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  • How do I slow down a video generating new interpolated frames?

    - by Grzegorz Adam Hankiewicz
    I've used mencoder's speed parameter to generate a video which is played at half the speed. This basically means halving the framerate of the video. But I'm interested in software that could convert a 30fps video to another 30fps video with half the frames interpolated, maybe using the motion information stored in the video stream per se. I think this is called intra-frame interpolation, but I haven't found anything practical other than research papers. Any pointers to such software?

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  • How secure is a PostgreSQL database if my server is stolen?

    - by orokusaki
    If I have a server with a database if top secret data in PostgreSQL and my password is practically impossible to crack (128 character string of all sorts of weird chars, generated by hand). The server password is also uncrackable in theory (basically, ignore the possibility of a password crack on the DB). Aside from a password crack, how easy is it to get the data out of this database? Assumptions: Only the DB exists on the server. There is no password in a PHP script or anything like that The person who has the server is a computer / DB / hard-drive recovery expert I'm not using any hard-drive encryption or anything out of the norm for protection I'm trying to understand the risks involved with somebody gaining physical access to my server's hard-drives.

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  • cURL connection error (60): SSL certificate pr0blem on Windows

    - by Cheeso
    When I try to use Curl on windows, to retrieve an https url, I get the dreaded "connection error (60)." The exact error message is: curl: (60) SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed More details here: http://curl.haxx.se/docs/sslcerts.html How to resolve this? ps: I spelled the word "Problem" wrong in the title purposefully, because superuser refuses to accept the question with the correct spelling.

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  • UNIX Question to b answered??? [closed]

    - by Nits
    Create a tree structure named ‘training’ in which there are 3 subdirectories – ‘level 1’,’ level2’ and ‘cep’. Each one is again further divided into 3. The ‘level 1’ is divided into ‘sdp’, ‘re’ and ‘se’. From the subdirectory ‘se’ how can one reach the home directory in one step and also how to navigate to the subdirectory ‘sdp’ in one step? Give the commands, which do the above actions? How will you copy a directory structure dir1 to dir2 ? (with all the subdirectories) How can you find out if you have the permission to send a message? Find the space occupied ( in Bytes) by the /home directory including all its subdirectories. What is the command for printing the current time in 24-hour format? What is the command for printing the year, month, and date with a horizontal tab between the fields? Create the following files: chapa, chapb, chapc, chapd, chape, chapA, chapB, chapC, chapD, chapE, chap01, chap02, chap03, chap04, chap05, chap11, chap12, chap13, chap14, and chap15. With reference to question 7, What is the command for listing all files ending in small letters? With reference to question 7, What is the command for listing all files ending in capitals? With reference to question 7, What is the command for listing all files whose last but one character is 0? With reference to question 7, What is the command for listing all files which end in small letters but not ‘a’ and ‘c’? In an organisation one wants to know how many programmers are there. The employee data is stored in a file called ‘personnel’ with one record per employee. Every record has field for designation. How can grep be used for this purpose? In the organisation mentioned in question 12 how can sed be used to print only the records of all employees who are programmers. In the organisation mentioned in question 12 how can sed be used to change the designation ‘programmer’ to ‘software professional’ every where in the ‘personnel’ file Find out about the sleep command and start five jobs in the background, each one sleeping for 10 minutes. How do you get the status of all the processes running on the system? i.e. using what option?

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  • How to define a table so it shows on every page, but doesn't interfere with editing?

    - by ldigas
    I need a table in Word 2007, which needs to be on every page of the document. It is actually not a table per se, but a frame with three columns. The problem is it cannot interfere with editing, so I'm trying to avoid just inserting a lot of tables, and for now am using a made up table, made of lines, which I've putted in header field over the entire page. Is there a better way to do it then this?

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  • IE9 setup needs to update java/firefox/chrome?

    - by Stevko
    I'm upgrading/bootstrapping a desktop with new everything Win7 64bit from Vista 32bit. I see that IE9 is newly released and start the install. IE9 Setup requires and offers to close these programs due to overlapping files used. Firefox Chrome Java(TM) Platform SE binary Java(TM) update scheduler Skype, Trillian, Winamp, etc. How safe is this? I fear getting yet another MS Firefox add-on or toolbar.

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  • How useful are design patterns when it comes to web programming?

    - by Raja
    Background: My organization uses Microsoft .Net (3.5) with SQL Server 2005 as back end. With RAD being the norm and Agile being the widely used process. I have always found using design patterns difficult since it involves a bit more understanding and bit more training. Can you give me some examples where design patterns have solved real time problems in Web programming? What is the criteria for using any design pattern? What is the benefit reaped from it. I know it is a general question but this would help me a bunch.

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  • Blocking specific IP requests

    - by user42908
    Hi, I own a VPS running Ubuntu with Apache stuff. Recently I am getting continous request from IP static-195.22.94.120.addr.tdcsong.se.54303 : 12337 I already installed the 'arno-iptables-firewall'. Have iptables blocking 195.22.94.120 Still then I get the request from that IP if i see via tcpdump. May I know what else i can do to protect my VPS? Thank you.

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  • Firefox addon for quick adding of rss feeds to thunderbird needed.

    - by alehro
    Actually the matter grown from SE using. It's quite bothering to: right click on rss link, choose "copy", then swich to tunderbird, right click on rss folder, choose "subscribe", push "Add", insert, ok. I'd prefer to: right click on rss link and choose the rss folder. The second motive for the question is that I'd like to look at implementation of interprocess manipulation of thunderbird. May be there is not exactly but something similar exist.

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  • Do large corporations block jQuery content on web pages?

    - by Max Vernon
    We are currently redesigning our website. The company we've hired to do the redesign is advocating the use of jQuery to render the pages dynamically. Our SEO specialist is under the impression that many larger corporations may have jQuery blocked in their proxies to prevent their users from visiting sites like Facebook. Is this something you are aware of? Forgive me if this is off topic for SF.SE!

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  • python how to put data on y-axis when plotting histogram

    - by user3041107
    I don't quite understand how to control y - axis when using plt.hist plot in python. I read my .txt data file - it contains 10 columns with various data. If I want to plot distribution of strain on x axis I take column n.5. But what kind of value appears on y axis ??? Don't understand that. here is the code: import numpy import matplotlib.pyplot as plt from pylab import * from scipy.stats import norm import sys strain = [] infile = sys.argv[1] for line in infile: ret = numpy.loadtxt(infile) strain += list(ret[:,5]) fig = plt.figure() plt.hist(strain, bins = 20) plt.show() Thanks for help!

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  • Can I just release the top object (iPhone)?

    - by yar
    If I release the object that's holding a reference to the variable that I need to release, is that sufficient? Or must I release at every level of the containment hierarchy? I fear that my logic comes from working with a garbage collector for too long. For instance, I assigned to this property of a UIPickerView instance by hand instead of using IB @property(nonatomic, assign) id<UIPickerViewDelegate> delegate Since it's an assign property, I can't just release the reference after I assign it. When I finally release my UIPickerView instance, do I need to do this: [singlePicker.delegate release]; [singlePicker release]; or is the second line sufficient? Also: Are these assign properties the norm, or is that mostly for Interface Builder? I thought that retain properties were the normal thing to expect.

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  • WCF AuthenticationService in IIS7 Error

    - by germandb
    I have a WCF Server running on IIS 7 using default application pool, with SSL activate, the services is installed in a SBS Server 2008. I implement client application services with wcf and SQL 2005 for setting the access control in my application. The application run under windows vista and is make with WPF. In my developer machine the application and the WCF services run well, the IIS i'm use for the trials is the local IIS 7 and the database is the SQL Server 2005 database hosting in my server. I'm using Visual Studio Project Designer to enable and configure client application services. using https://localhost/WcfServidorFundacion. When i'm change the authentication services location to https://WcfServices:5659/WcfServidorFundacion and recompile the application, the following error show up. Message: The web service returned the error status code: InternalServerError. Details of service failure: {"Message":" Error while processing your request ","StackTrace":"","ExceptionType":""} Stack Trace: en System.Net.HttpWebRequest.GetResponse() en System.Web.ClientServices.Providers.ProxyHelper.CreateWebRequestAndGetResponse(String serverUri, CookieContainer& cookies, String username, String connectionString, String connectionStringProvider, String[] paramNames, Object[] paramValues, Type returnType) InnerException: System.Net.WebException Message="Remote Server Error: (500) Interal Server Error." I can access the WCF service from the navigator using the url mentioned above and even make a webReference in my project. I make a capture of the response but I'cant post it because i don't have 10 reputation points I activate the error log in the IIS 7 server, and the result is a Warning in the ManagedPipilineHandler. I appreciate if any one can help me Errors & Warnings No.? Severity Event Module Name 132. view trace Warning -MODULE_SET_RESPONSE_ERROR_STATUS ModuleName ManagedPipelineHandler Notification 128 HttpStatus 500 HttpReason Internal Server Error HttpSubStatus 0 ErrorCode 0 ConfigExceptionInfo Notification EXECUTE_REQUEST_HANDLER ErrorCode La operación se ha completado correctamente. (0x0) Maybe this can help, is the web.config of my service <?xml version="1.0" encoding="utf-8"?> <!-- Nota: como alternativa para editar manualmente este archivo, puede utilizar la herramienta Administración de sitios web para configurar los valores de la aplicación. Utilice la opción Sitio Web->Configuración de Asp.Net en Visual Studio. Encontrará una lista completa de valores de configuración y comentarios en machine.config.comments, que se encuentra generalmente en \Windows\Microsoft.Net\Framework\v2.x\Config --> <configuration> <configSections> <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" /> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> </sectionGroup> </sectionGroup> </sectionGroup> </configSections> <appSettings /> <connectionStrings> <remove name="LocalMySqlServer" /> <remove name="LocalSqlServer" /> <add name="fundacionSelfAut" connectionString="Data Source=FUNDACIONSERVER/PRUEBAS;Initial Catalog=fundacion;User ID=wcfBaseDatos;Password=qwerty_2009;" providerName="System.Data.SqlClient" /> </connectionStrings> <system.web> <profile enabled="true" defaultProvider="SqlProfileProvider"> <providers> <clear /> <add name="SqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="fundacionSelfAut" applicationName="fundafe" /> </providers> <properties> <add name="FirstName" type="String" /> <add name="LastName" type="String" /> <add name="PhoneNumber" type="String" /> </properties> </profile> <roleManager enabled="true" defaultProvider="SqlRoleProvider"> <providers> <clear /> <add name="SqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="fundacionSelfAut" applicationName="fundafe" /> </providers> </roleManager> <membership defaultProvider="SqlMembershipProvider"> <providers> <clear /> <add name="SqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="fundacionSelfAut" applicationName="fundafe" enablePasswordRetrieval="false" enablePasswordReset="false" requiresQuestionAndAnswer="true" requiresUniqueEmail="true" passwordFormat="Hashed" /> </providers> </membership> <authentication mode="Forms" /> <compilation debug="true" strict="false" explicit="true"> <assemblies> <add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" /> <add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </assemblies> </compilation> <!-- La sección <authentication> permite la configuración del modo de autenticación de seguridad utilizado por ASP.NET para identificar a un usuario entrante. --> <!-- La sección <customErrors> permite configurar las acciones que se deben llevar a cabo/cuando un error no controlado tiene lugar durante la ejecución de una solicitud. Específicamente, permite a los desarrolladores configurar páginas de error html que se mostrarán en lugar de un seguimiento de pila de errores. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> <pages> <controls> <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </controls> </pages> <httpHandlers> <remove verb="*" path="*.asmx" /> <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false" /> </httpHandlers> <httpModules> <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </httpModules> <sessionState timeout="40" /> </system.web> <system.codedom> <compilers> <compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"> <providerOption name="CompilerVersion" value="v3.5" /> <providerOption name="WarnAsError" value="false" /> </compiler> </compilers> </system.codedom> <!-- La sección webServer del sistema es necesaria para ejecutar ASP.NET AJAX en Internet Information Services 7.0. Sin embargo, no es necesaria para la versión anterior de IIS. --> <system.webServer> <validation validateIntegratedModeConfiguration="false" /> <modules> <add name="ScriptModule" preCondition="integratedMode" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </modules> <handlers> <remove name="WebServiceHandlerFactory-Integrated" /> <add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </handlers> <tracing> <traceFailedRequests> <add path="*"> <traceAreas> <add provider="ASP" verbosity="Verbose" /> <add provider="ASPNET" areas="Infrastructure,Module,Page,AppServices" verbosity="Verbose" /> <add provider="ISAPI Extension" verbosity="Verbose" /> <add provider="WWW Server" areas="Authentication,Security,Filter,StaticFile,CGI,Compression,Cache,RequestNotifications,Module" verbosity="Verbose" /> </traceAreas> <failureDefinitions statusCodes="401.3,500,403,404,405" /> </add> </traceFailedRequests> </tracing> <security> <authorization> <add accessType="Allow" users="germanbarbosa,informatica" /> </authorization> <authentication> <windowsAuthentication enabled="false" /> </authentication> </security> </system.webServer> <system.web.extensions> <scripting> <webServices> <authenticationService enabled="true" requireSSL="true" /> <profileService enabled="true" readAccessProperties="FirstName,LastName,PhoneNumber" /> <roleService enabled="true" /> </webServices> </scripting> </system.web.extensions> <system.serviceModel> <services> <!-- this enables the WCF AuthenticationService endpoint --> <service behaviorConfiguration="AppServiceBehaviors" name="System.Web.ApplicationServices.AuthenticationService"> <endpoint address="" binding="basicHttpBinding" bindingConfiguration="userHttps" bindingNamespace="http://asp.net/ApplicationServices/v200" contract="System.Web.ApplicationServices.AuthenticationService" /> </service> <!-- this enables the WCF RoleService endpoint --> <service behaviorConfiguration="AppServiceBehaviors" name="System.Web.ApplicationServices.RoleService"> <endpoint binding="basicHttpBinding" bindingConfiguration="userHttps" bindingNamespace="http://asp.net/ApplicationServices/v200" contract="System.Web.ApplicationServices.RoleService" /> </service> <!-- this enables the WCF ProfileService endpoint --> <service behaviorConfiguration="AppServiceBehaviors" name="System.Web.ApplicationServices.ProfileService"> <endpoint binding="basicHttpBinding" bindingNamespace="http://asp.net/ApplicationServices/v200" bindingConfiguration="userHttps" contract="System.Web.ApplicationServices.ProfileService" /> </service> </services> <bindings> <basicHttpBinding> <!-- Set up a binding that uses Username as the client credential type --> <binding name="userHttps"> <security mode="Transport"> </security> </binding> </basicHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior name="AppServiceBehaviors"> <serviceMetadata httpGetEnabled="false" httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="true" /> <serviceAuthorization principalPermissionMode="UseAspNetRoles" roleProviderName="SqlRoleProvider" /> <serviceCredentials> <userNameAuthentication userNamePasswordValidationMode="MembershipProvider" membershipProviderName="SqlMembershipProvider" /> </serviceCredentials> </behavior> </serviceBehaviors> </behaviors> <serviceHostingEnvironment aspNetCompatibilityEnabled="true" /> </system.serviceModel> </configuration>

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  • La rubrique Qt sur Facebook, devenez vous aussi fan et suivez l'actualité Qt depuis Facebook

    Comme vous l'avez probablement remarqué, les réseaux sociaux explosent de partout, Developpez.com et toutes ses rubriques se doivent donc, comme toujours auparavant, de suivre l'évolution en s'ouvrant à ces réseaux sociaux. Vous pouvez donc désormais suivre l'actualité de la rubrique sur Facebook heure par heure en devenant fan. Un bouton permettant de devenir fan est aussi apparu sur le portail : http://qt.developpez.com/. Comme vous avez déjà pu le remarquer, Developpez.com s'investit de plus en plus dans les réseaux sociaux : en effet, chaque discussion du forum peut être proposée sur un bon nombre de tels réseaux, ainsi que, depuis peu, l...

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  • Error Ubuntu 11.10 despues de instalar [Error after installing Ubuntu 11.10]

    - by manue
    instale ubuntu 11.10, termino de instalar y no tiene nada, ni aplicaciones, ni esa barrita lateral de unity, no tiene nada, ni si quiera la barra donde aparece la hora; porque? y me aparece un cuadro diciendo que hay un error en el disco y que el fallo es inminente , que es? SMART no entiendo, ayuda Y en otro disco duro con windows xp sp3 se bloquea cuando lo instalo desde el live cd, y desde wubi aparece esto enter link description here que hacer? English translation (via Google Translate, edited) I have installed ubuntu 11.10, after finishing the installing there is nothing, no applications, no the sidebar called unity, there is nothing, not even the bar where time appears, why?. I get a box saying there is an error on the disk and that failure is imminent. What is SMART, I do not understand, help In my other hard drive, with windows xp sp3, it crashes when I try install from the live cd using wubi, this appears, what to do?

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  • BlackBerry 10 : sortie repoussée pour ne pas « compromettre le produit », le nouvel OS n'arrivera qu'en 2013

    Sortie repoussée pour BlackBerry 10 Pour ne pas « compromettre le produit », le nouvel OS n'arrivera qu'en 2013 Les résultats de Research In Motion, le constructeur canadien des BlackBerry, ne sont pas bons. Son chiffre d'affaires à chuté de 33 %, passant de 4.2 milliards de dollars au premier trimestre 2011 à moins de 3 milliards au premier trimestre 2012. Le tout pour une perte nette ajustée de 192 millions de dollars. Résultat, des réductions de postes sont prévus (5.000) et une politique agressive d'investissements est en cours (2.2 milliards de dollars). Les premiers effets se feraient sentir, mais sous la forme d'un frémissement. Le World Tour BlackBerr...

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  • I don't get object-oriented programming

    - by Joel J. Adamson
    Note: this question is an edited excerpt from a blog posting I wrote a few months ago. After placing a link to the blog in a comment on Programmers.SE someone requested that I post a question here so that they could answer it. This posting is my most popular, as people seem to type "I don't get object-oriented programming" into Google a lot. Feel free to answer here, or in a comment at Wordpress. What is object-oriented programming? No one has given me a satisfactory answer. I feel like you will not get a good definition from someone who goes around saying “object” and “object-oriented” with his nose in the air. Nor will you get a good definition from someone who has done nothing but object-oriented programming. No one who understands both procedural and object-oriented programming has ever given me a consistent idea of what an object-oriented program actually does. Can someone please give me their ideas of the advantages of object-oriented programming?

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  • Feedback on "market manipulation", a peripheral game mechanic for a satirical MMO

    - by BerndBrot
    This question asks for feedback on a specific game-mechanic. Since there is not one right feedback on a game mechanic, I tried to provide enough context and guidelines to still make it possible for users to rate answers and to accept an answer as the best answer (following these criteria from Writer.SE's meta website). Please comment if you have any suggestions on how I could improve the question in that regard. So, let's begin with the game itself and some of its elements which are relevant for this question. Context I'm working on a satirical, text-based multiplayer adventure and role-playing game set in modern-day London. The game resolves around the concept of sin and features a myriad of (venomous) allusions to all the things that go wrong in this world. Players can choose between character classes like bullshit artist (consultant), bankster, lawyer, mobster, celebrity, politician, etc. In order to complete the game, the player has to live so sinfully with regard to any of the seven deadly sins that a demon is willing to offer them a contract of sponsorship. On their quest to live a sinful live, characters explore more and more locations of modern-day London (on a GoogleMap), fight "monsters" like insurance sales agents or Jehovah's Witnesses, and complete quests, like building a PowerPoint presentation out of marketing buzz words or keeping up a number of substance abuse effects in order to progress on the gluttony path. Battles are turn based with both combatants having a deck of cards, with which they try to make their enemy give in to temptations of all sorts. Tempted enemies sometimes become contacts (an item drop mechanic), which can be exploited for various benefits, depending on their area of influence (finance, underworld, bureaucracy, etc.), level of influence, and kind of sway that the player has over them (bribed, seduced, threatened, etc.) Once a contract has been exploited, the player loses that contact. Most actions require turns. Turns are limited, but refill each day. Criteria A number of peripheral game mechanics are supposed to represent real world abuses and mischief in a humorous way integrate real world data and events to strengthen the feeling of relevance of the game's humor with regard to real world problems add fun ways of interacting with other players add ways for players to express themselves through game-play Market manipulation is one such peripheral game mechanic and should fulfill all of these goals. Market manipulation This is my initial design of the mechanic: Players can enter the London Stock Exchange (LSE) (without paying a turn) LSE displays the stock prices of a number of companies in industries like weapons or tobacco as well as some derivatives based on wheat and corn. The stock prices are calculated based on the actual stock prices of these companies and derivatives (in real time) any market manipulations that were conducted by the players any market corrections of the system Players can buy and sell shares with cash, a resource in the game, at current in-game market value (without paying a turn). Players can manipulate the market, i.e. let the price of a share either rise or fall, by some amount, over a certain period of time. Manipulating the market requires 1 turn A contact in the financial sector (see above). The higher the level of influence of the contact, the stronger the effect of the manipulation on the stock price, and/or the shorter it takes for the manipulation to manifest itself. Market manipulation also adds a crime to the player's record. (There are a multitude of ways to take care of that, but it is still another "cost" of market manipulations.) The system continuously corrects market manipulations by letting the in-game prices converge towards their real world counterparts at a rate of 2% of the difference between the two per hour. Because of this market correction mechanism, pushing up prices (and screwing down prices) becomes increasingly difficult the higher (lower) the price already is. Whenever food prices reach a certain level, in-game stories are posted about hunger catastrophes happening somewhere far, far away (maybe with links to real world news stories). Whenever a player sells a certain number of shares with a sufficiently high margin, they are mentioned in that day's in-game financial news. Since the number of stock options is very limited, players will inevitably collide in their efforts to manipulate the market in their favor. Hopefully, it will also be a fun side-arena for guilds and covenants to fight each other. Question(s) What do you think of this mechanism given the criteria for peripheral game mechanics that I specified for my game? Do you have any ideas how the mechanic could be improved with regard to these criteria (or otherwise)? Could it be improved to allow for more expressive game-play, or involve an allusion to some other real world madness (like short selling, leveraging, or some other banking magic)? Are there any game-theoretic problems with this mechanic, like maybe certain dominant individual strategies that, collectively, lead to every player profiting and thus eliminating the idea of market manipulation PVP? Also, if you like (or dislike) this question, feel free to participate in the discussion on GDSE meta: "Should we be more lax with regard to SE's question/answer format to make game design questions possible?"

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  • Quel cadeau Hi-Tech ou « Geek » espérez-vous pour Noël ? Et quels produits attendus pour 2011 vous font rêver ?

    Quel cadeau Hi-Tech ou « Geek » allez-vous offrir à Noël ? Et quels produits attendus pour 2011 vous font rêver ? Ecrit en collaboration avec Gordon Fowler Noël. J-1. Les parents retardataires se pressent dans les magasins. Les enfants ont des sourires jusqu'aux oreilles. Et les commerçants travaillent d'arrache-pied pour assurer leur chiffre d'affaires annuels. Noël, la fête des petits. Mais aussi la fête des grands. Surtout pour les « Geeks », toujours prêts à s'émerveiller pour les objets insolites, les nouveautés de tout poil et la technologie. Un iPad sous le sapin, un NAS, un T-Shirt Wifi, le CD des meilleures musiqu...

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  • TechDays 2011 : Microsoft expose sa vision de « la vie du futur » avec les interfaces naturelles, l'école et le bureau de 2015-2020

    TechDays 2011 : Microsoft expose sa vision de « la vie du futur » Avec les interfaces naturelles, l'école et le bureau de 2015-2020 Le troisième jour des Techdays s'est résolument placé sous le signe des tendances numériques qui seront au coeur de notre quotidien, dans la vision du futur de Microsoft, à l'horizon 2015-2020. « L'informatique de demain sera une informatique intuitive, grâce notamment aux nouvelles interfaces naturelles.» explique Bernard Ourghanlian. « L'ordinateur se met toujours plus à notre service. Il interprète nos comportements, il anticipe, il agit en notre nom.» souligne-t-il. « Avec le développement de capteurs évolués, nos bras, nos mains,...

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  • VMware sort VMware Go Pro sa solution de virtualisation Cloud pour PME, passerelle vers VMware vSphere

    VMware sort VMware Go Pro Sa solution de virtualisation Cloud pour PME, passerelle vers VMware vSphere VMware vient d'annoncer la sortie de sa solution de virtualisation Cloud pour les PME : VMware Go Pro. VMware Go Pro a pour principal objectif de faciliter les efforts de virtualisation des petites et moyennes entreprises en leur proposant un outil ergonomique, qui simplifie la gestion des systèmes d'information et qui veut améliorer la productivité. L'outil intègre une console centrale unique, pour fédérer et simplifier l'administration des infrastructures physiques et virtuelles. Une console qui permet de « libérer les équipes des tâches récurrentes afin de se consacr...

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  • Le C++ expressif n° 1 : introduction, un article d'Eric Niebler traduit par Timothée Bernard

    Dissimulé dans C++ se cache un autre langage - d'innombrables autres langages, en fait - tous sont meilleurs que le C++ pour résoudre certains types de problèmes. Ces domain-specific languages (abrégé DSL) sont par exemple des langages pour l'algèbre linéaire ou des langages de requêtes, ils ne peuvent faire qu'une seule chose, mais ils le font bien. On peut créer et utiliser ces langages directement dans le C++, en utilisant la puissance et la flexibilité du C++ pour remplacer les parties communes du langage par les parties spécifiques au domaine que nous utilisons. Dans cette série d'article, Eric Niebler regarde de près les domain-specific languages, dans quels domaines ils sont utiles et comment on peut facilement les implémenter en C++ avec l'aide de

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  • I don't get object-oriented programming

    - by Joel J. Adamson
    Note: this question is an edited excerpt from a blog posting I wrote a few months ago. After placing a link to the blog in a comment on Programmers.SE someone requested that I post a question here so that they could answer it. This posting is my most popular, as people seem to type "I don't get object-oriented programming" into Google a lot. Feel free to answer here, or in a comment at Wordpress. What is object-oriented programming? No one has given me a satisfactory answer. I feel like you will not get a good definition from someone who goes around saying “object” and “object-oriented” with his nose in the air. Nor will you get a good definition from someone who has done nothing but object-oriented programming. No one who understands both procedural and object-oriented programming has ever given me a consistent idea of what an object-oriented program actually does. Can someone please give me their ideas of the advantages of object-oriented programming?

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