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  • Google Search Engine Optimization Principles

    Google has come to be seen as the most complicated and innovative search engine as it really armed with an array of anti-spam technology. Google's expanding use of anti-spam features has meant that optimizing websites for Google has become significantly harder and it's now not merely a case of opening your internet sites source files in notepad, including a few key terms into your several HTML tags, uploading your files and looking forward to the results.

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  • Professional Bespoke Web Development Firm

    Now those who are looking forward to having professional bespoke web design services on board, they need not go and look any further. This is because of the fact that such firms are available all aro... [Author: John Anthony - Web Design and Development - May 18, 2010]

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  • Upcoming events : Hotsos Symposium 2011

    - by Maria Colgan
    This year for the first time, I will present at the Hotsos Symposium in Dallas Texas, March 7 - 9. I will present on two topics Top tips for Optimal SQL Execution and Implement Best Practices for Extreme Performance with Oracle Data Warehousing. I am really looking forward to attending some excellent sessions at the conference from folks like Tom Kyte, Cary Millsap, Doug Burns, and Dan Fink. Hope to see you there!

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  • Books / blogs that discuss service excellence? [closed]

    - by Bogdan Gavril
    I'm looking for information about service excellence topics such as: 0 downtime deployment how to deal with versioning (backward and forward compatibility) environment strategies (how many staging envs ? etc.) performance testing testing in production monitoring I am looking at the Microsoft stack, but the concepts should be the same everywhere. Do you have any recommendations of books or blogs on the subject? PS: I have found some good articles from I.M.Wright's "Hard Code" blog. Anything else?

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  • ReSharper 5.0s LINQ Refactoring Continues to be Amazing!

    In this post, well take a straight forward procedure based set of code and convert it to LINQ using a ReSharper from JetBrains suggestion.   Ive found that in general, when I do things with foreach syntax, there is often a better way in Linq to do this.  The better does not jump out [...]...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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  • Welcome

    - by 13DaysaWeek
    Greetings! Let me start with an introduction.  My name is Chris House.  I'm a consultant with Digineer, a management and technology consultant firm in the Twin Cities of Minneapolis/St. Paul, Minnesota.  My particular area of focus is on middle tier technologies such as BizTalk, WCF, etc. I'm looking forward to sharing some of the interesting tidbits I come across during the course of my work.

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  • Partner Blog Series: PwC Perspectives - Looking at R2 for Customer Organizations

    - by Tanu Sood
    Welcome to the first of our partner blog series. November Mondays are all about PricewaterhouseCoopers' perespective on Identity and R2. In this series, we have identity management experts from PricewaterhouseCoopers (PwC) share their perspective on (and experiences with) the recent identity management release, Oracle Identity Management R2. The purpose of the series is to discuss real world identity use cases that helped shape the innovations in the recent R2 release and the implementation strategies that customers are employing today with expertise from PwC. Part 1: Looking at R2 for Customer Organizations In this inaugural post, we will discuss some of the new features of the R2 release of Oracle Identity Manager that some of our customer organizations are implementing today and the business rationale for those. Oracle's R2 Security portfolio represents a solid step forward for a platform that is already market-leading.  Prior to R2, Oracle was an industry titan in security with reliable products, expansive compatibility, and a large customer base.  Oracle has taken their identity platform to the next level in their latest version, R2.  The new features include a customizable UI, a request catalog, flexible security, and enhancements for its connectors, and more. Oracle customers will be impressed by the new Oracle Identity Manager (OIM) business-friendly UI.  Without question, Oracle has invested significant time in responding to customer feedback about making access requests and related activities easier for non-IT users.  The flexibility to add information to screens, hide fields that are not important to a particular customer, and adjust web themes to suit a company's preference make Oracle's Identity Manager stand out among its peers.  Customers can also expect to carry UI configurations forward with minimal migration effort to future versions of OIM.  Oracle's flexible UI will benefit many organizations looking for a customized feel with out-of-the-box configurations. Organizations looking to extend their services to end users will benefit significantly from new usability features like OIM’s ‘Catalog.’  Customers familiar with Oracle Identity Analytics' 'Glossary' feature will be able to relate to the concept.  It will enable Roles, Entitlements, Accounts, and Resources to be requested through the out-of-the-box UI.  This is an industry-changing feature as customers can make the process to request access easier than ever.  For additional ease of use, Oracle has introduced a shopping cart style request interface that further simplifies the experience for end users.  Common requests can be setup as profiles to save time.  All of this is combined with the approval workflow engine introduced in R1 that provides the flexibility customers need to meet their compliance requirements. Enhanced security was also on the list of features Oracle wanted to deliver to its customers.  The new end-user UI provides additional granular access controls.  Common Help Desk use cases can be implemented with ease by updating the application profiles.  Access can be rolled out so that administrators can only manage a certain department or organization.  Further, OIM can be more easily configured to select which fields can be read-only vs. updated.  Finally, this security model can be used to limit search results for roles and entitlements intended for a particular department.  Every customer has a different need for access and OIM now matches this need with a flexible security model. One of the important considerations when selecting an Identity Management platform is compatibility.  The number of supported platform connectors and how well it can integrate with non-supported platforms is a key consideration for selecting an identity suite.  Oracle has a long list of supported connectors.  When a customer has a requirement for a platform not on that list, Oracle has a solution too.  Oracle is introducing a simplified architecture called Identity Connector Framework (ICF), which holds the potential to simplify custom connectors.  Finally, Oracle has introduced a simplified process to profile new disconnected applications from the web browser.  This is a useful feature that enables administrators to profile applications quickly as well as empowering the application owner to fulfill requests from their web browser.  Support will still be available for connectors based on previous versions in R2. Oracle Identity Manager's new R2 version has delivered many new features customers have been asking for.  Oracle has matured their platform with R2, making it a truly distinctive platform among its peers. In our next post, expect a deep dive into use cases for a customer considering R2 as their new Enterprise identity solution. In the meantime, we look forward to hearing from you about the specific challenges you are facing and your experience in solving those. Meet the Writers Dharma Padala is a Director in the Advisory Security practice within PwC.  He has been implementing medium to large scale Identity Management solutions across multiple industries including utility, health care, entertainment, retail and financial sectors.   Dharma has 14 years of experience in delivering IT solutions out of which he has been implementing Identity Management solutions for the past 8 years. Scott MacDonald is a Director in the Advisory Security practice within PwC.  He has consulted for several clients across multiple industries including financial services, health care, automotive and retail.   Scott has 10 years of experience in delivering Identity Management solutions. John Misczak is a member of the Advisory Security practice within PwC.  He has experience implementing multiple Identity and Access Management solutions, specializing in Oracle Identity Manager and Business Process Engineering Language (BPEL). Jenny (Xiao) Zhang is a member of the Advisory Security practice within PwC.  She has consulted across multiple industries including financial services, entertainment and retail. Jenny has three years of experience in delivering IT solutions out of which she has been implementing Identity Management solutions for the past one and a half years. Praveen Krishna is a Manager in the Advisory  Security practice within PwC.  Over the last decade Praveen has helped clients plan, architect and implement Oracle identity solutions across diverse industries.  His experience includes delivering security across diverse topics like network, infrastructure, application and data where he brings a holistic point of view to problem solving.

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  • JavaOne 2012: Lessons from Mathematics

    - by darcy
    I was pleased to get notification recently that my bof proposal for Lessons from Mathematics was accepted for JavaOne 2012. This is a bit of a departure from the project-centric JavaOne talks I usually give, but whisps of this kind of material have appeared before. I'm looking forward to presenting material from linear algebra, stochastics, and numerical optimization that have influence my thinking about technical problems in the JDK and elsewhere.

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  • NEW: Oracle Certification Exam Preparation Seminars

    - by Harold Green
    Hi Everyone, I am really excited about a new offering that we are announcing this week - Oracle Certification Exam Preparation Seminars. These are something that will make a big difference for many of you in your efforts to become certified and move your career forward. They are also something that have previously only been available (but very popular) to the limited number of customers who have attended our annual conferences in San Francisco (Oracle OpenWorld and JavaOne). These are the first in a series of offerings that we are releasing over the next few months. So for those of you either preparing or considering Oracle certification - keep watching here on the blog, Facebook, Twitter and the Oracle Certification website for additional announcements related to our most popular certification areas. Details of the new Exam Preparation Seminars are found below: NEW: ORACLE CERTIFICATION EXAM PREPARATION SEMINARS Becoming Oracle certified is a great way to build your career, gain additional credibility and improve your earning power. We know that the decision to become certified is not trivial. Our surveys indicate that people consider their time investment a critical factor in their decision to become certified. Your time is important. In order to help candidates maximize the efficiency of their study time we are releasing a new series of video-based seminars called Exam Preparation Seminars. These seminars are patterned after the extremely popular Exam Cram sessions that until now have only been available at our annual customer conferences (Oracle Open World and JavaOne). Beginning today they are now available to anyone, anywhere as a part of this Exam Prep Seminar series. Features: Fast-paced objective by objective review of the exam topics - led by top Oracle University instructors 24/7 access through Oracle University's training on demand platform. Ability to re-watch all or part of the the seminar. All the conveniences of video-based training: start, stop, fast-forward, skip, rewind, review. Tips that will help you better understand what you need to know to pass the exam. The Exam Preparation Seminars are meant to help anyone with a working knowledge of the technology get that extra boost to help them finalize their preparation, and will help anyone who wants a better understanding of the the depth and breadth of the exam topics and objectives. Benefits: Save time by understanding what you should study. Makes you efficient because you will understand the breadth and depth of each of the exam topics. Helps you create a better, more efficient study plan. Improves your confidence in your skills and ability to pass the certification exam. Exam Preparation Seminars are available individually, or in convenient Value Packages (which include the Exam Preparation Seminar, and an exam voucher which includes one free-retake if you need it). Currently we are releasing two seminars - one for DBA SQL and one for DBA Administration I. Additional offerings are in process. Find out more: General WEB: Oracle Certification Exam Preparation Seminars VIDEO: Exam Preparation Seminars Promo (1:27) Oracle Database Administration I (11g, 10g) VIDEO: Instructor Introduction (1:08) VIDEO: Sample Video (2:16) Oracle Database SQL VIDEO: Instructor Introduction (1:08) VIDEO: Sample Video (2:16)

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  • Inverse projection: question about w coordinate

    - by fayeWilly
    I have to perform in shader an inverse projection from a u/v of a render target. What I do is: Get NDC as 2*(u,v,depth) - 1 Then world space as tmp = (P*V)^-1 * (NDC,1.0); world space = tmp/tmp.w; This apparently works, but I am confused about the w division there. Why this work? Shouldn't be a multiplication by a w somewhere (as in the "forward" pipeline there is the perpsective division?) Thank you, Faye

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  • Microsoft Visual C# MVP 2012

    - by James Michael Hare
    I was informed on July 1st, 2012 that I was awarded a Microsoft Visual C# MVP recognition for 2012.  This is my second year now, and I'm doubly thankful to have been nominated and selected, and thankful that you guys all find my posts informative and useful! Even though life has thrown me some curve balls in this past last year, I look forward to continuing my posts (especially the Little Wonders) as much as possible!Thanks again!

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  • How to implement smooth flocking

    - by Craig
    I'm working on a simple survival game, avoid the big guy and chase the the small guys to stay alive for as long as possible. I have taken the chase and evade example from MSDN create and drawn 20 mice on the screen. I want the small guys to flock when they arent evading. They are doing this, but it isnt as smooth as I would like it to be. How do i make the movement smoother? Its very jittery.# Below is what I have going at the moment, flocking code is within the IF statement, when it isnt set to evading. Any help would be greatly appreciated! :) namespace ChaseAndEvade { class MouseSprite { public enum MouseAiState { // evading the cat Evading, // the mouse can't see the "cat", and it's wandering around. Wander } // how fast can the mouse move? public float MaxMouseSpeed = 4.5f; // and how fast can it turn? public float MouseTurnSpeed = 0.20f; // MouseEvadeDistance controls the distance at which the mouse will flee from // cat. If the mouse is further than "MouseEvadeDistance" pixels away, he will // consider himself safe. public float MouseEvadeDistance = 100.0f; // this constant is similar to TankHysteresis. The value is larger than the // tank's hysteresis value because the mouse is faster than the tank: with a // higher velocity, small fluctuations are much more visible. public float MouseHysteresis = 60.0f; public Texture2D mouseTexture; public Vector2 mouseTextureCenter; public Vector2 mousePosition; public MouseAiState mouseState = MouseAiState.Wander; public float mouseOrientation; public Vector2 mouseWanderDirection; int separationImpact = 4; int cohesionImpact = 6; int alignmentImpact = 2; int sensorDistance = 50; public void UpdateMouse(Vector2 position, MouseSprite [] mice, int numberMice, int index) { Vector2 catPosition = position; int enemies = numberMice; // first, calculate how far away the mouse is from the cat, and use that // information to decide how to behave. If they are too close, the mouse // will switch to "active" mode - fleeing. if they are far apart, the mouse // will switch to "idle" mode, where it roams around the screen. // we use a hysteresis constant in the decision making process, as described // in the accompanying doc file. float distanceFromCat = Vector2.Distance(mousePosition, catPosition); // the cat is a safe distance away, so the mouse should idle: if (distanceFromCat > MouseEvadeDistance + MouseHysteresis) { mouseState = MouseAiState.Wander; } // the cat is too close; the mouse should run: else if (distanceFromCat < MouseEvadeDistance - MouseHysteresis) { mouseState = MouseAiState.Evading; } // if neither of those if blocks hit, we are in the "hysteresis" range, // and the mouse will continue doing whatever it is doing now. // the mouse will move at a different speed depending on what state it // is in. when idle it won't move at full speed, but when actively evading // it will move as fast as it can. this variable is used to track which // speed the mouse should be moving. float currentMouseSpeed; // the second step of the Update is to change the mouse's orientation based // on its current state. if (mouseState == MouseAiState.Evading) { // If the mouse is "active," it is trying to evade the cat. The evasion // behavior is accomplished by using the TurnToFace function to turn // towards a point on a straight line facing away from the cat. In other // words, if the cat is point A, and the mouse is point B, the "seek // point" is C. // C // B // A Vector2 seekPosition = 2 * mousePosition - catPosition; // Use the TurnToFace function, which we introduced in the AI Series 1: // Aiming sample, to turn the mouse towards the seekPosition. Now when // the mouse moves forward, it'll be trying to move in a straight line // away from the cat. mouseOrientation = ChaseAndEvadeGame.TurnToFace(mousePosition, seekPosition, mouseOrientation, MouseTurnSpeed); // set currentMouseSpeed to MaxMouseSpeed - the mouse should run as fast // as it can. currentMouseSpeed = MaxMouseSpeed; } else { // if the mouse isn't trying to evade the cat, it should just meander // around the screen. we'll use the Wander function, which the mouse and // tank share, to accomplish this. mouseWanderDirection and // mouseOrientation are passed by ref so that the wander function can // modify them. for more information on ref parameters, see // http://msdn2.microsoft.com/en-us/library/14akc2c7(VS.80).aspx ChaseAndEvadeGame.Wander(mousePosition, ref mouseWanderDirection, ref mouseOrientation, MouseTurnSpeed); // if the mouse is wandering, it should only move at 25% of its maximum // speed. currentMouseSpeed = .25f * MaxMouseSpeed; Vector2 separate = Vector2.Zero; Vector2 moveCloser = Vector2.Zero; Vector2 moveAligned = Vector2.Zero; // What the AI does when it sees other AIs for (int j = 0; j < enemies; j++) { if (index != j) { // Calculate a vector towards another AI Vector2 separation = mice[index].mousePosition - mice[j].mousePosition; // Only react if other AI is within a certain distance if ((separation.Length() < this.sensorDistance) & (separation.Length()> 0) ) { moveAligned += mice[j].mouseWanderDirection; float distance = Math.Abs(separation.Length()); if (distance == 0) distance = 1; moveCloser += mice[j].mousePosition; separation.Normalize(); separate += separation / distance; } } } if (moveAligned.LengthSquared() != 0) { moveAligned.Normalize(); } if (moveCloser.LengthSquared() != 0) { moveCloser.Normalize(); } moveCloser /= enemies; mice[index].mousePosition += (separate * separationImpact) + (moveCloser * cohesionImpact) + (moveAligned * alignmentImpact); } // The final step is to move the mouse forward based on its current // orientation. First, we construct a "heading" vector from the orientation // angle. To do this, we'll use Cosine and Sine to tell us the x and y // components of the heading vector. See the accompanying doc for more // information. Vector2 heading = new Vector2( (float)Math.Cos(mouseOrientation), (float)Math.Sin(mouseOrientation)); // by multiplying the heading and speed, we can get a velocity vector. the // velocity vector is then added to the mouse's current position, moving him // forward. mousePosition += heading * currentMouseSpeed; } } }

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  • atftp pcre pattern

    - by CE-SA
    I've a question about the package named 'atftp'. I've got the atftp daemon finally working. Previously I was using tftp-hpa with a custom rule that replaces filenames with capitals into non-capital filenames and replaces the backslashes into forward slashes so that WinPE will boot fine. But in atftp I can't find rules or replacements like that. I'm searching for long, but cannot find or write the right pcre-pattern. Could you help me with this?

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  • Oracle OpenLux Seminar on December 8, 2011 at Espace Namur in Hamm

    - by Yves Moriceau
    You are kindly invited to experience the Oracle vision on the future at the Oracle OpenLux Seminar on December 8th 2011, from 9:00 to 14:00 at the Artisan Confiseur Namur in Hamm. If you want to have more details on this seminar and you wish to register please folow the link: http://www.artdcom.com/oracle/general/2011-openlux-seminar-details.html We look forward to meeting you on December 8th. Oracle Luxembourg

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  • Bridge Laptop's Ethernet to Wireless

    - by Kalphiter
    The laptop wirelessly connects to my router, while the desktop is connected to the laptop with an ethernet wire. The desktop successfully can use the internet if I set the connection to be shared on the laptop. The problem is, I need the laptop to forward the desktop's packets across the link unmodified, so the desktop is on the same network as the router. The desktop needs its IP assigned by the router, so that I can access it from another computer as "192.168.1.8".

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  • What does this rule mean

    - by Kenyana
    When I run $ sudo iptables -L This is what I get Chain INPUT (policy ACCEPT) target prot opt source destination REJECT tcp -- anywhere anywhere tcp dpt:www flags:FIN,SYN,RST,ACK/SYN #conn/32 > 20 reject-with tcp-reset Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination What does this mean? I am pretty new to the whole Ubuntu world. I cannot access webmin at times, keep getting The connection has timed out error.

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  • Hashing 3D position into 2D position

    - by notabene
    I am doing volumetric raycasting and curently working on depth jitter. I have 3D position on ray and want to sample 2D noise texture to jitter the depth. Function for converting (or hashing) 3D position to 2D have to produce absolutely different numbers for a little changes (especialy because i am sampling in texture space so sample values differs very very little) and have to be "shader-wise" - so forget about branches, cycles etc. I'm looking forward for yours nice and fast solutions.

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  • Build a view frustum from angles

    - by MulletDevil
    I have 4 angles, left, right, top & bottom. These angles are in degrees. They define the angle between the forward vector and the corresponding side. I am trying to use these to calculate the required values for Perseective Off Centre function found here http://docs.unity3d.com/Documentation/ScriptReference/Camera-projectionMatrix.html I tried doing (near plane-far plane) * Tan(angle) But that didn't give the correct results.

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  • Rewriting a URL for tomcat through an ajp connection

    - by StudentKen
    I've tried several attempts to resolve this, but all have come up naught. Currently I have apache setup to forward all urls at and past the /portal/ tag to tomcat. Unfortunately, tomcat receives these requests through /portal/appName, a subdirectory in webapps rather than the webapps root directory where my wars are deployed. Is there a simple solution to this that I'm not seeing? I've been trying to use mod_rewrite to ^/portal/ $ / but that doesn't yield the expected results (perhaps I'm doing this wrong?).

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  • String or binary data would be truncated.

    - by Derek Dieter
    This error message is relatively straight forward. The way it normally happens is when you are trying to insert data from a table that contains values that have larger data lengths than the table you are trying to insert into. An example of this would be trying to insert data from a permanent table, into [...]

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  • Desktop Fun: Spring Leaves Wallpaper Collection [Bonus Size]

    - by Asian Angel
    Spring has arrived once again and those of you in the Northern hemisphere have lots of fresh beautiful foliage to look forward to. Turn your desktop into the perfect green machine with our Spring Leaves Wallpaper collection. How to Own Your Own Website (Even If You Can’t Build One) Pt 3 How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2

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  • SEO Content - The Art of Article Marketing & Writing

    SEO content writing is a serious talent and while people often online think about creative writing, SEO content writing is no easy job wither. This is an art that a lot of online marketers look forward to because the want to carry out article marketing for their campaigns.

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  • Oracle's FY14 Global Partner Kickoff Now Available On Demand

    - by Julien Haye
    Oracle's FY14 Partner Kickoff started summer off right! In case you missed the live show, you can watch the replay and catch up on Oracle's strategy and objectives for the upcoming year. We also want to congratulate our FY14 Partner Kickoff Twitter contest winners, Keste, A2F Services and portrix.net GmbH. We hope you enjoy your free OPN Exchange @ Oracle OpenWorld pass! As always, be sure to follow us around the web: We look forward to a great FY14! The Oracle PartnerNetwork Team

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  • Configuring mouse buttons

    - by Gilad Naaman
    I am using a HP NK527AA Wireless mouse with two side buttons. His mouse wheel is half broken: I can scroll but I can't click it. In windows I configured the side buttons as 3rd mouse button but unfortunately the only available drivers are for windows. Ubuntu treats the side-buttons as back\forward buttons and it's really annoying. Is there a way to configure the buttons if though the is no driver?

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