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  • Best Free and Open Source CRM Software

    <b>Tech Source: </b>"If you happen to own a business and are looking for CRM applications, I have here a list of some of the most well-known free and open-source customer relationship management (CRM) software available today."

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  • How much does game development mathematics change over time?

    - by FlightOfGrey
    This question is mainly aimed at this book, Essential Mathematics for Games and Interactive Applications, Second Edition which I have seen highly recommended all around the internet, so I'm sure there are people on here who own a copy. What I want to know specifically is if any of the information would be out dated since the book was released on June 2, 2008? Also interested to see how the mathematics behind game development has changed over time.

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  • META Tags in SEO - Should You Use Them?

    Onsite SEO is going by the wayside and not being used by the search engines much anymore but it may still benefit you to optimize each of your web pages. The search engines have a formula to determine keyword relevancy on each page of your web site. The technical term is an algorithm, which each engine has its own unique algorithm that it uses to rank pages.

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  • Why are there so many string classes in the face of std::string?

    - by fish
    It seems to me that many bigger C++ libraries end up creating their own string type. In the client code you either have to use the one from the library (QString, CString, fbstring etc., I'm sure anyone can name a few) or keep converting between the standard type and the one the library uses (which most of the time involves at least one copy). So, is there a particular misfeature or something wrong about std::string (just like auto_ptr semantics were bad)? Has it changed in C++11?

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  • SaaS Platform Webcast

    - by shupadhy
    Oracle platform products and architecture have progressed at a rapid pace to meet the demanding needs of SaaS application deployment. We recently (Nov 2012) recorded a webcast on latest capabilites in Oracle Cloud Application Foundation and how we using it as a platform under our own SaaS applications while also offering it as PaaS. http://www.oracle.com/partners/campaign/eblasts/fusion-middleware-webinar-1842957.html

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  • Search Engine Optimization - Article Authors Area

    When you think of starting a new online business make the authors area a frequent place to visit. Writing your own original content will brand your business. Submit your one of a kind article to only one directory and then write a new one to submit to another directory. Branding your business products and or services will create a structure of trust, when others see that you understand what you are doing.

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  • Easy Ways to Spot the Right SEO Company

    If you are a webmaster that seeks such a service to help you develop the right strategy to dominate the search engine rankings, you will find that it can become a daunting task to elect an SEO Company which will be able to live up to your expectations. There are a plethora of SEO Companies available in the online world, each of which have their own features and specifications to offer you.

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  • How do i share files between my ubuntu host and xp pro virtual machine? [duplicate]

    - by jake
    Possible Duplicate: Shared folders in XP virtualbox guest I'm using Virtualbox 4.1.8 to run Windows XP PRO. I have ironed out all other kinks on my own but I still can't access a file share. The sole purpose of running a VM is to get iTunes for my iPhone but I can't get to my music file from my guest OS, I'm also new to Ubuntu so im not sure if I have done all the updates right or not, any would be welcome

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  • How to synchronize the ball in a network pong game?

    - by Thaars
    I’m developing a multiplayer network pong game, my first game ever. The current state is, I’ve running the physic engine with the same configurations on the server and the clients. The own paddle movement is predicted and get just confirmed by the authoritative server. Is a difference detected between them, I correct the position at the client by interpolation. The opponent paddle is also interpolated 200ms to 100ms in the past, because the server is broadcasting snapshots every 100ms to each client. So far it works very well, but now I have to simulate the ball and have a problem to understanding the procedure. I’ve read Valve’s (and many other) articles about fast-paced multiplayer several times and understood their approach. Maybe I can compare my ball with their bullets, but their advantage is, the bullets are not visible. When I have to display the ball, and see my paddle in the present, the opponent in the past and the server is somewhere between it, how can I synchronize the ball over all instances and ensure, that it got ever hit by the paddle even if the paddle is fast moving? Currently my ball’s position is simply set by a server update, so it can happen, that the ball bounces back, even if the paddle is some pixel away (because of a delayed server position). Until now I’ve got no synced clock over all instances. I’m sending a client step index with each update to the server. If the server did his job, he sends the snapshot with the last step index of each client back to the clients. Now I’m looking for the stored position at the returned step index and compare them. Do I need a common clock to sync the ball? EDIT: I've tried to sync a common clock for the server and all clients with a timestamp. But I think it's better to use an own stepping instead of a timestamp (so I don't need to calculate with the ping and so on - and the timestamp will never be exact). The physics are running 60 times per second and now I use this for keeping them synchronized. Is that a good way? When the ball gets calculated by each client, the angle after bouncing can differ because of the different position of the paddles (the opponent is 200ms in the past). When the server is sending his ball position, velocity and angle (because he knows the position of each paddle and is authoritative), the ball could be in a very different position because of the different angles after bouncing (because the clients receive the server data after 100ms). How is it possible to interpolate such a huge difference? I posted this question some days ago at stackoverflow, but got no answer yet. Maybe this is the better place for this question.

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  • How to profile a Perl + FastCGi + StarRunner web program?

    - by Paul Tomblin
    I've written an extension to RequestTracker for a client, but he says the performance isn't good enough. I'd like to do some profiling, but I'm not sure how to connect up a profiler (say NYTProf, for example)? I tried what the man page says and put PerlModule Devel::NYTProf::Apache in my apache config, but all I get in the results are Apache2:XSLoader, Devel::NYTProf::Apache and ModPerl::Util modules in the results, and neither my own nor RT's modules.

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  • State machine interpreters

    - by saadtaame
    I wrote my own state machine tool in C and at this point I'm faced with two choices for specifying state machines. Crafting a little language and writing a interpreter. Writing a compiler for that language. I know the advantages/disadvantages of each. I'd like to know what choices game programmers have made for their games. If you've used a state machine in your game in any form, I'd be interested in knowing how you did it.

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  • Why Your Web Success Depends on One Way Backlinks

    If you own a website and you want your website to be successful by drawing traffic to it then you need a one way backlinks. The more traffic that visits your website long term means he eventually your website will get top ranking in the search engines that are related to your business.

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  • Running SQL Server Jobs using a Proxy Account

    In most companies, roles and responsibilities are clearly defined for the various teams, whether it is the database team, application team or the development team. In some cases, the application team might own a number of jobs but they ... [Read Full Article]

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  • What is DevOps really?

    Ops and Development people have plenty of ideas for improving the whole software delivery process, but the task of developing, maturing and communicating these ideas isn't often in their job-description. Others are only too keen to do so, but on their own terms. So, let's get clarity. What is the central DevOps idea really? 12 must-have SQL Server toolsThe award-winning SQL Developer Bundle contains 12 tools for faster, simpler SQL Server development. Download a free trial.

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  • On Handling Dates in SQL

    The calendar is inherently complex by the very nature of the astronomy that underlies the year, and the conflicting historical conventions. The handling of dates in TSQL is even more complex because, when SQL Server was Sybase, it was forced by the lack of prevailing standards in SQL to create its own ways of processing and formatting dates and times. Joe Celko looks forward to a future when it is possible to write standard SQL date-processing code with SQL Server.

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  • Does "Ubuntu for Android" (12.04) work with the Samsung Galaxy S2?

    - by Charles Hadeed
    I'm trying to buy a new Android phone and I own an Ubuntu 12.04 computer... I have the choice of a Google Galaxy Nexus, Samsung Galaxy S2, and a HTC Sensation XL. I am aware that the HTC already works with it but i would prefer to buy the samsung. I already have the phone hardware specifications and have checked but i am not sure with the samsung or the nexus. So which of these phones work for Ubuntu 12.04's 'Ubuntu for Android' feature?

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  • Do it Yourself Search Engine Optimization

    When you want to improve your Google website ranking, do it yourself search engine optimization is the first thing you should be occupied with after your keyword research. One of the best ways to do your own SEO is to be sure you build plenty...

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  • [EF + Oracle] Inserting Data (Sequences) (2/2)

    - by JTorrecilla
    Prologue In the previous chapter we have see how to create DB records with EF, now we are going to Some Questions about Oracle.   ORACLE One characteristic from SQL Server that differs from Oracle is “Identity”. To all that has not worked with SQL Server, this property, that applies to Integer Columns, lets indicate that there is auto increment columns, by that way it will be filled automatically, without writing it on the insert statement. In EF with SQL Server, the properties whose match with Identity columns, will be filled after invoking SaveChanges method. In Oracle DB, there is no Identity Property, but there is something similar. Sequences Sequences are DB objects, that allow to create auto increment, but there are not related directly to a Table. The syntax is as follows: name, min value, max value and begin value. 1: CREATE SEQUENCE nombre_secuencia 2: INCREMENT BY numero_incremento 3: START WITH numero_por_el_que_empezara 4: MAXVALUE valor_maximo | NOMAXVALUE 5: MINVALUE valor_minimo | NOMINVALUE 6: CYCLE | NOCYCLE 7: ORDER | NOORDER 8:    How to get sequence value? To obtain the next val from the sequence: 1: SELECT nb_secuencia.Nextval 2: From Dual Due to there is no direct way to indicate that a column is related to a sequence, there is several ways to imitate the behavior: Use a Trigger (DB), Use Stored Procedures or Functions(…) or my particularly option. EF model, only, imports Table Objects, Stored Procedures or Functions, but not sequences. By that, I decide to create my own extension Method to invoke Next Val from a sequence: 1: public static class EFSequence 2: { 3: public static int GetNextValue(this ObjectContext contexto, string SequenceName) 4: { 5: string Connection = ConfigurationManager.ConnectionStrings["JTorrecillaEntities2"].ConnectionString; 6: Connection=Connection.Substring(Connection.IndexOf(@"connection string=")+19); 7: Connection = Connection.Remove(Connection.Length - 1, 1); 8: using (IDbConnection con = new Oracle.DataAccess.Client.OracleConnection(Connection)) 9: { 10: using (IDbCommand cmd = con.CreateCommand()) 11: { 12: con.Open(); 13: cmd.CommandText = String.Format("Select {0}.nextval from DUAL", SequenceName); 14: return Convert.ToInt32(cmd.ExecuteScalar()); 15: } 16: } 17:  18: } 19: } This Object Context’s extension method are going to invoke a query with the Sequence indicated by parameter. It takes the connection strings from the App settings, removing the meta data, that was created by VS when generated the EF model. And then, returns the next value from the Sequence. The next value of a Sequence is unique, by that, when some concurrent users are going to create records in the DB using the sequence will not get duplicates. This is my own implementation, I know that it could be several ways to do and better ways. If I find any other way, I promise to post it. To use the example is needed to add a reference to the Oracle (ODP.NET) dll.

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  • Yola Website Builder Review

    A website is necessary for any small business that wants to be taken seriously, but getting it out there can be a problem, especially for the technologically challenged small business owner. With easy-to-use online tools combined with domain name registration and web hosting, Yola provides a solution for anyone who can't build their own site and can't afford to hire someone to do it for them. When Yola says their online website builder is easy to use, they aren't kidding.

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