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  • How Much Does Web Design Cost

    Ah, the age old question: How much does a website cost? This is a tricky question and can best be answered with a favourite analogy of ours - purchasing a new car, that is unless of course you purcha... [Author: Kevin Disher - Web Design and Development - March 29, 2010]

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  • How to Set Up an Online Ecommerce Store

    Online Ecommerce stores are gaining popularity these days. Their business is achieving exceptional heights. The reason behind their success is the lack of time that people in the present world have. ... [Author: Anurag Gupta - Web Design and Development - May 11, 2010]

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  • How to Choose a Web Design Company

    There are certain things that you should take into consideration, if you want to choose an apt Web Design Company, which would fulfill your business requirements. In the first instance, you should ca... [Author: Andrew Burt - Web Design and Development - June 06, 2010]

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  • Visual Studio 2010

    Visualize your workspace with new multiple monitor support, powerful Web development, new SharePoint support with tons of templates and Web parts, and more accurate targeting of any version of the .NET Framework. Get set to unleash your creativity.

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  • Two interfaces with identical signatures

    - by corsiKa
    I am attempting to model a card game where cards have two important sets of features: The first is an effect. These are the changes to the game state that happen when you play the card. The interface for effect is as follows: boolean isPlayable(Player p, GameState gs); void play(Player p, GameState gs); And you could consider the card to be playable if and only if you can meet its cost and all its effects are playable. Like so: // in Card class boolean isPlayable(Player p, GameState gs) { if(p.resource < this.cost) return false; for(Effect e : this.effects) { if(!e.isPlayable(p,gs)) return false; } return true; } Okay, so far, pretty simple. The other set of features on the card are abilities. These abilities are changes to the game state that you can activate at-will. When coming up with the interface for these, I realized they needed a method for determining whether they can be activated or not, and a method for implementing the activation. It ends up being boolean isActivatable(Player p, GameState gs); void activate(Player p, GameState gs); And I realize that with the exception of calling it "activate" instead of "play", Ability and Effect have the exact same signature. Is it a bad thing to have multiple interfaces with an identical signature? Should I simply use one, and have two sets of the same interface? As so: Set<Effect> effects; Set<Effect> abilities; If so, what refactoring steps should I take down the road if they become non-identical (as more features are released), particularly if they're divergent (i.e. they both gain something the other shouldn't, as opposed to only one gaining and the other being a complete subset)? I'm particularly concerned that combining them will be non-sustainable as soon as something changes. The fine print: I recognize this question is spawned by game development, but I feel it's the sort of problem that could just as easily creep up in non-game development, particularly when trying to accommodate the business models of multiple clients in one application as happens with just about every project I've ever done with more than one business influence... Also, the snippets used are Java snippets, but this could just as easily apply to a multitude of object oriented languages.

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  • Featured partner: Avanttic achieves Exadata and Exalogic OPN Specialization

    - by Javier Puerta
    Avanttic is a an Oracle Platinum Partner with headquarters in Barcelona (Spain). Their strategy is based on two key pillars: technological specialization and employee development. The technological specialization translates into their motto: "100% Oracle".   In the last weeks Avanttic has achieved all the prerequisites to become OPN Specialized in Exadata and in Exalogic, reaching a total of 13 specializations around the Oracle Technology stack. Congratulations, Avanttic!

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  • Better and Cheap Web Hosting Available with Linux

    Web hosting becomes very simplified when carried out on Linux. No, this is not just any assumption or declaration but a tried and tested fact that has been concluded after a lot of research and recon... [Author: John Anthony - Web Design and Development - March 29, 2010]

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  • Visual Studio Extension: Web Essentials

    - by BizTalk Visionary
    To quote Scott Hanselman…. Visual Studio 2010 is really extensible and that's allowed many folks on the team to try out new features for Web Development without having to rebuild Visual Studio itself. One of those "playground" extensions is called "Web Essentials" by Mads Kristensen. Mads handles HTML5 and CSS3 tools for our team. You might remember Mads from when we released the Web Standards Update a few months back. Get it here: Scott Nanselman blog...

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  • Express your personality and potential @ Oracle

    - by jessica.ebbelaar(at)oracle.com
    Ciao, my name is Michel and I am a 24 year old guy from Forlì, Italy, working as a Business Intelligence Business Development Consultant in Rome. After I completed the Bachelor's Degree in Business Administration at Bologna University, I took a Multiple Master of Science in International Management organized by three European Universities: Bologna University (IT), ICN Business School of Nancy (FR) and Uppsala University (SE).I therefore had the chance to travel a lot and, most important, to study and meet hundreds of people from all over the world. This experience enhanced the passion I foster for international environments, different cultures and countries; not to mention the learning of foreign languages. Working for such a structured multinational as Oracle totally reflects my desire to be surrounded by a multicultural and international atmosphere, having the opportunity to grow from the personal point of view and to endlessly boost my career path. Demand Generation My department is responsible for demand generation activities. That implies, for instance, the implementation of various strategies aimed to feed the pipeline for Business Intelligence products in the Italian market. Organization of marketing campaigns, events, providing ideas or contacts to the sales force is just a few examples of our work. I like to define the role of the business development as something that translates the marketing insights into tools to increase the sales, accounting the differences amongst countries, companies and industries. Furthermore, it is an important feature to collaborate with the EMEA team to share knowledge and best practices. My initial lack of an IT background has been constantly covered by the managers and my personal mentor. The thing I appreciated most is indeed the fact I always feel to be a growing potential, becoming essential day after day. I am surprised by the trust and confidence people have on me and how they proudly encourage my personal initiative and always spur me to contribute. Career Ambitions If your ambitions are to work within an international but extremely people focused environment, to contribute to the growth of one of the most successful companies in the world, to deal with a fast-paced industry and highly competitive market, to have the chance to fully express your personality and potential and to satisfy your career ambitions over the years, then Oracle is right for YOU. Looking forward to having YOU aboard! Do you want to find out more about the open roles within Oracle? Follow us on http://campus.oracle.com.

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  • Some Oracle VM 3 updates

    - by wcoekaer
    Today we did another patch set update for Oracle VM 3 (3.0.3-build 227). This can be downloaded from My Oracle Support as patch ID 14736185. There are quite a few updates in here and I highly recommend any Oracle VM 3 customer or user to install this update. This patch can be installed on top of Oracle VM 3.0 versions 3.0.2 and 3.0.3. The patch is cumulative for 3.0.3. So if you already installed patch update 1 (3.0.3-150) then this will just be incremental on top of that and brings you to 3.0.3-build 227. There is a readme file which contains the patchlist in the patch info. The following patches are released on ULN for Oracle VM server 3.0 : initscripts-8.45.30-2.100.18.el5.x86_64 The inittab file and the /etc/init.d scripts. kernel-ovs-2.6.32.21-45.6.x86_64 The Linux kernel kernel-ovs-firmware-2.6.32.21-45.6.x86_64 Firmware files used by the Linux kernel osc-oracle-ocfs2-0.1.0-35.el5.noarch Oracle Storage Connect ocfs2 Plugin osc-plugin-manager-1.2.8-9.el5.3.noarch Oracle Storage Connect Plugin Infrastructure osc-plugin-manager-devel-1.2.8-9.el5.3.noarch Oracle Storage Connect Plugin Development ovs-agent-3.0.3-41.6.x86_64 Agent for Oracle VM xen-4.0.0-81.el5.1.x86_64 Xen is a virtual machine monitor xen-devel-4.0.0-81.el5.1.x86_64 Development libraries for Xen tools xen-tools-4.0.0-81.el5.1.x86_64 Various tooling for the manipulation of Xen instances Errata emails will be sent in the next few days with details on the above updates. Or you will find them here. I also did an update of my Oracle VM utilities to 0.4.0. They are also available from My Oracle Support, patch ID 14736239. These utils can be unzipped and installed on the server running Oracle VM Manager. Typically in /u01/app/oracle/ovm-manager-3/ovm_utils. There is a set of man pages in /u01/app/oracle/ovm-manager-3/ovm_utils/man/man8. There now are 6 commands : ovm_vmcontrol : VM level operations ovm_servercontrol : server level operations ovm_vmdisks : virtual disk/physical location mapping for VM disks ovm_vmmessage : message passing utility between the manager and the VM tools (in the Oracle VM templates) ovm_repocontrol : repository level operations ovm_poolcontrol : pool level operations Some of the new changes : at a pool level, acknowledge events and cascade to servers and virtual machines with outstanding events at a pool level, do a rescan of the storage for fibrechannel/iscsi disks if you add new devices (it does this operation then on every running server) at a repository level, fixup a device if it had a failed create repository at a repository level, refresh the repository and this will update the free space in the UI for ocfs2 repositories at a server level, acknowledge server events and cascade to virtual machines if needed at a VM level, acknowledge VM events at a VM level, bind vcpus to cores with vcpuset/vcpuget Please see the man pages and remember that these tools are just written As Is - no SRs... (per the documentation) Hopefully they are useful.

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  • Affordable Bespoke Website Design Services in India

    Searching for Affordable Bespoke Website Design Services in India would not be a rough task for the fact that service providers are flourishing well in this part of Asia. The web designing industry h... [Author: John Anthony - Web Design and Development - April 20, 2010]

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  • The most dangerous SQL Script in the world!

    - by DrJohn
    In my last blog entry, I outlined how to automate SQL Server database builds from concatenated SQL Scripts. However, I did not mention how I ensure the database is clean before I rebuild it. Clearly a simple DROP/CREATE DATABASE command would suffice; but you may not have permission to execute such commands, especially in a corporate environment controlled by a centralised DBA team. However, you should at least have database owner permissions on the development database so you can actually do your job! Then you can employ my universal "drop all" script which will clear down your database before you run your SQL Scripts to rebuild all the database objects. Why start with a clean database? During the development process, it is all too easy to leave old objects hanging around in the database which can have unforeseen consequences. For example, when you rename a table you may forget to delete the old table and change all the related views to use the new table. Clearly this will mean an end-user querying the views will get the wrong data and your reputation will take a nose dive as a result! Starting with a clean, empty database and then building all your database objects using SQL Scripts using the technique outlined in my previous blog means you know exactly what you have in your database. The database can then be repopulated using SSIS and bingo; you have a data mart "to go". My universal "drop all" SQL Script To ensure you start with a clean database run my universal "drop all" script which you can download from here: 100_drop_all.zip By using the database catalog views, the script finds and drops all of the following database objects: Foreign key relationships Stored procedures Triggers Database triggers Views Tables Functions Partition schemes Partition functions XML Schema Collections Schemas Types Service broker services Service broker queues Service broker contracts Service broker message types SQLCLR assemblies There are two optional sections to the script: drop users and drop roles. You may use these at your peril, particularly as you may well remove your own permissions! Note that the script has a verbose mode which displays the SQL commands it is executing. This can be switched on by setting @debug=1. Running this script against one of the system databases is certainly not recommended! So I advise you to keep a USE database statement at the top of the file. Good luck and be careful!!

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  • A Short Guide To Html Form Builder

    HTML form builder is used for additional security and to increase interaction with visitors. There are several benefits of form builder and it is the perfect way to unleash the potential. Form builde... [Author: Caimile Essien - Web Design and Development - April 21, 2010]

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  • Understanding Key Factors For Corporate Logo Design

    You need to bind to certain basic principles that ensure that corporate logo design is professional and easy to remember and creates a great impact on viewers while successfully expressing the nature... [Author: Alan Smith - Web Design and Development - March 20, 2010]

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  • Tips On Opting Affordable Web Design Solution

    More importantly the small business owners would find it highly comforting if one can find a proficient web designer with professional experience who charges reasonably or is affordable because affor... [Author: Alan Smith - Web Design and Development - April 08, 2010]

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  • Custom Logo Design - or - Free Logo Design

    When you search the web, you will be able to find unlimited companies and websites offering free services. Even though they brag about providing quality products, but you can never be sure how useful... [Author: Sha Amen - Web Design and Development - May 07, 2010]

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  • On the art of self-promotion

    - by Tony Davis
    I attended Brent Ozar's Building the Fastest SQL Servers session at Tech Ed last week, and found myself engulfed in a 'perfect storm' of excellent technical and presentational skills coupled with an astute awareness of the value of promoting one's work. I spend a lot of time at such events talking to developers and DBAs about the value of blogging and writing articles, and my impression is that some could benefit from a touch less modesty and a little more self-promotion. I sense a reticence in many would-be writers. Is what I have to say important enough? Haven't far more qualified and established commentators, MVPs and so on, already said it? While it's a good idea to pick reasonably fresh and interesting topics, it's more important not to let such fears lead to writer's block. In the eyes of any future employer, your published writing is an extension of your resume. They will not care that a certain MVP knows how to solve problem x, but they will be very interested to see that you have tackled that same problem, and solved it in your own way, and described the process in your own voice. In your current job, your writing is one of the ways you can express to your peers, and to the organization as a whole, the value of what you contribute. Many Developers and DBAs seem to rely on the idea that their work will speak for itself, and that their skill shines out from it. Unfortunately, this isn't always true. Many Development DBAs, for example, will be painfully aware of the massive effort involved in tuning and adding resilience to rapidly developed applications. However, others in the organization who are unaware of what's involved in getting an application that is 'done' ready for production may dismiss such efforts as fussiness or conservatism. At the dark end of the development cycle, chickens come home to roost, but their droppings tend to land on those trying to clear up the mess. My advice is this: next time you fix a bug or improve the resilience or performance of a database or application, make sure that you use team meetings, informal discussions and so on to ensure that people understand what the problem was and what you had to do to fix it. Use your blog to describe, generally, the process you adopted, the resources you used and the insights that came from your work. Encourage your colleagues to do the same. By spreading the art of self-promotion to everyone involved in an IT project, we get a better idea of the extent of the work and the value of the contribution of all the team members. As always, we'd love to hear what you think. This very week, Simple-talk launches its new blogging platform. If any of this has moved you to 'throw your hat into the ring', drop us a mail at [email protected]. Cheers, Tony.

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  • On the art of self-promotion

    - by Tony Davis
    I attended Brent Ozar’s Building the Fastest SQL Servers session at Tech Ed last week, and found myself engulfed in a ‘perfect storm’ of excellent technical and presentational skills coupled with an astute awareness of the value of promoting one’s work. I spend a lot of time at such events talking to developers and DBAs about the value of blogging and writing articles, and my impression is that some could benefit from a touch less modesty and a little more self-promotion. I sense a reticence in many would-be writers. Is what I have to say important enough? Haven’t far more qualified and established commentators, MVPs and so on, already said it? While it’s a good idea to pick reasonably fresh and interesting topics, it’s more important not to let such fears lead to writer’s block. In the eyes of any future employer, your published writing is an extension of your resume. They will not care that a certain MVP knows how to solve problem x, but they will be very interested to see that you have tackled that same problem, and solved it in your own way, and described the process in your own voice. In your current job, your writing is one of the ways you can express to your peers, and to the organization as a whole, the value of what you contribute. Many Developers and DBAs seem to rely on the idea that their work will speak for itself, and that their skill shines out from it. Unfortunately, this isn’t always true. Many Development DBAs, for example, will be painfully aware of the massive effort involved in tuning and adding resilience to rapidly developed applications. However, others in the organization who are unaware of what’s involved in getting an application that is ‘done’ ready for production may dismiss such efforts as fussiness or conservatism. At the dark end of the development cycle, chickens come home to roost, but their droppings tend to land on those trying to clear up the mess. My advice is this: next time you fix a bug or improve the resilience or performance of a database or application, make sure that you use team meetings, informal discussions and so on to ensure that people understand what the problem was and what you had to do to fix it. Use your blog to describe, generally, the process you adopted, the resources you used and the insights that came from your work. Encourage your colleagues to do the same. By spreading the art of self-promotion to everyone involved in an IT project, we get a better idea of the extent of the work and the value of the contribution of all the team members. As always, we’d love to hear what you think. This very week, Simple-talk launches its new blogging platform. If any of this has moved you to ‘throw your hat into the ring’, drop us a mail at [email protected]. Cheers, Tony.

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  • Code Coverage for Maven Integrated in NetBeans IDE 7.2

    - by Geertjan
    In NetBeans IDE 7.2, JaCoCo is supported natively, i.e., out of the box, as a code coverage engine for Maven projects, since Cobertura does not work with JDK 7 language constructs. (Although, note that Cobertura is supported as well in NetBeans IDE 7.2.) It isn't part of NetBeans IDE 7.2 Beta, so don't even try there; you need some development build from after that. I downloaded the latest development build today. To enable JaCoCo features in NetBeans IDE, you need do no different to what you'd do when enabling JaCoCo in Maven itself, which is rather wonderful. In both cases, all you need to do is add this to the "plugins" section of your POM: <plugin> <groupId>org.jacoco</groupId> <artifactId>jacoco-maven-plugin</artifactId> <version>0.5.7.201204190339</version> <executions> <execution> <goals> <goal>prepare-agent</goal> </goals> </execution> <execution> <id>report</id> <phase>prepare-package</phase> <goals> <goal>report</goal> </goals> </execution> </executions> </plugin> Now you're done and ready to examine the code coverage of your tests, whether they are JUnit or TestNG. At this point, i.e., for no other reason than that you added the above snippet into your POM, you will have a new Code Coverage menu when you right-click on the project node: If you click Show Report above, the Code Coverage Report window opens. Here, once you've run your tests, you can actually see how many classes have been covered by your tests, which is pretty useful since 100% tests passing doesn't mean much when you've only tested one class, as you can see very graphically below: Then, when you click the bars in the Code Coverage Report window, the class under test is shown, with the methods for which tests exist highlighted in green and those that haven't been covered in red: (Note: Of course, striving for 100% code coverage is a bit nonsensical. For example, writing tests for your getters and setters may not be the most useful way to spend one's time. But being able to measure, and visualize, code coverage is certainly useful regardless of the percentage you're striving to achieve.) Best of all about all this is that everything you see above is available out of the box in NetBeans IDE 7.2. Take a look at what else NetBeans IDE 7.2 brings for the first time to the world of Maven: http://wiki.netbeans.org/NewAndNoteworthyNB72#Maven

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  • Best Guide To Doing On Page SEO

    If you want your website to start dominating the search engines for certain keywords, the first step is doing On Page SEO. The fact is that if your own website is not correctly optimised for keywords... [Author: Martin Sejas - Web Design and Development - April 10, 2010]

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