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  • Essential Tips For SEO

    Making a website that is made for SEO can be a challenge, but with some help you can manage. There are different tricks to get you're site up and running, with a good SEO background.

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  • what is need for a handler in general

    - by nish
    I have been searching for a definition for handler. basics i've understood that "A handler is a piece of code that is called when something happens, and usually takes some action, like generating a response." - (from http://stackoverflow.com/questions/3246200/what-is-an-handler ). But that can be a trigger or a callback. Also in specific an event handler on a low-level , often works by polling a device and waiting for a hardware response. So, what is the specific role of a handler ( that makes it unique from a trigger or a callback or any other such function ). Do all handlers have similar role ( event handler, file handler , exception handler, error handler )...

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  • Friday Fun: Naruto Star Students

    - by Asian Angel
    The best day of the week is finally here again, so something fun to make those torturous last few hours pass by quickly is always a good thing. This week your mission is to safely escort Tazuna to his home while battling an army of ninjas and the assassin Zabuza. Are your ninja skills up to the challenge?HTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear MonitorsMacs Don’t Make You Creative! So Why Do Artists Really Love Apple?

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  • Comunicate NodeJS and PHP

    - by Zenth
    i need ideas to solve this: I have a entire website in PHP (5.2) in a PHP "shared server", only i can use apache+PHP, CGI & NodeJS, no memcached, redis or another software. And i need to comunicate the PHP and the NodeJS Script. My first approach is using socket connection, creating in NodeJS a socket listener and connect to it witch PHP, and then, send commands, whait for response, and close connection (and end PHP Script). To the other side, i can call PHP script via ¿httprequest? ¿or using sockets again? The problem of using sockets fron Node to PHP, i CANT leave PHP script runing with set_time_limit(0) because the fuc... server, need to "call" PHP for another way. The NodeJS and Apache + PHP are in the same machine, i need to make the code for the fast response time (sockets better than web-calls). Better ideas or other solutions? thanks!

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  • How to enable SSIS as data source type on SQL Server Reporing Services SSRS 2008 R2

    when you create a data source in SSRS 2008 R2 (Nov CTP), you won't be able to get SSIS listed as a data source type. Therefore applications that are already using it as a data source or applications that require it as a data source get stuck. Let's learn how to enable and get SSIS listed back as a data source in SSRS 2008 R2. SQL Server monitoring made easy "Keeping an eye on our many SQL Server instances is much easier with SQL Response." Mike Lile.Download a free trial of SQL Response now.

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  • Call Web Service via BizTalk Orchestration via received file

    This example shows how some business logic can be implemented by receiving a file into a BizTalk Orchestration and calling a Web Service. The results of the Web Service call are decided upon from the contents of the incoming file and the response message is constructed accordingly. The response message is also saved down to the local file system.  read moreBy BiZTech KnowDid 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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  • Files and content search outside from opened Visual Studio solution

    - by Suresh Behera
    I have been using Visual studio for decade now and never notice a useful search option on “Find and Replace”  wizard.One of my client still use Windows XP for their development machine.We have set of projects separated to specific group or solutions. So,i always have challenge to find some contents or files other than current opened solutions.On windows 7 it is easier go folder and look for content but not so easy on windows XP.Following “Find and Replace” and content search found very helpful...(read more)

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  • DNNWorld 2012, The Trailer

    - by Chris Hammond
    Some people in the asp.net community love to hate on DotNetNuke ( see Shaun's latest blog post comments ), that’s fine, the rest of us are off having a good time with it and the community! Check out the trailer for DNNWorld 2012, coming up in Orlando Florida in October (you can register for DNN World at http://dnnworld.dotnetnuke.com ). For those of you who love to hate on DNN, I challenge you to give it another look. A lot has changed with the platform in the past 10 years, most recently in the...(read more)

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  • Richmond Code Camp 2010.1 &ndash; A Lap Around MEF

    - by John Blumenauer
    Thanks to all the attendees who came to my Lap Around MEF session at Richmond Code Camp today.   It seems many developers are seeking ways to make their applications more dynamic and extensible.  Hopefully, I provided them with a number of ideas on to get started with MEF and utilize it to tackle this challenge.  The slides from my session can be found HERE.  If you experience any problems downloading the slides or code, please let me know.

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  • Cool Tools You Can Use: Validation Templates for PeopleSoft Contracts Processes

    - by Mark Rosenberg
    This is the first in a series of postings we’ll be making under the heading of Cool Tools You Can Use. Our PeopleSoft product management team identified the need for this series after reflecting on the many conversations we have each year with our PeopleSoft community members. During these conversations, we were discovering that customers and implementation partners were often not aware that solutions exist to the problems they were trying to address and that the solutions were readily available at no additional charge. Thus, the Cool Tools You Can Use series will describe the business challenge we’ve heard, the PeopleSoft solution to the challenge, and how you can learn more about the solution so that everyone can be sure to make full use of what PeopleSoft applications have to offer. The first cool tool we’ll look at is the Validation Template for PeopleSoft Contracts Process Requests, which was first released in December 2013 as part of PeopleSoft Contracts 9.2 Update Image 4. The business issue our customers highlighted to us is the need to tightly control but easily configure and manage the scope of data that any user can process when initiating a process. Control of each user’s span of impact is essential to reducing billing reconciliation issues, passing span of authority audits, and reducing (or even eliminating) the frequency of unexpected process results.  Setting Up the Validation Template for a PeopleSoft Contracts Process With the validation template, organizations can easily and quickly ensure the software restricts the scope of transactions a user can affect and gives organizations the confidence to know that business processes are being governed effectively. Additionally, this control of PeopleSoft Contracts process requests can be applied and easily maintained and adjusted from a web browser thereby enabling analysts to administer the rules without having to engage software developers to customize the software. During the field validation template setup, an analyst specifies the combinations of fields that must contain values when a user tries to setup a run control and initiate a PeopleSoft Contracts process from a process request page. For example, for the Process Limits component, an organization could require that users enter a valid combination of values for the business unit, contract, and contract type fields or a value in the contract administrator field. Until the user enters a valid combination of entries on the process request page, he cannot launch the process. With the validation template activated for process request pages, organizations can be confident that PeopleSoft Contracts users will not accidentally begin generating invoices or triggering other revenue management processes for transactions beyond their scope of authority. To learn more about the Validation Template, please review the Defining Validation Templates section of the PeopleSoft Contracts PeopleBooks. 

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  • [Dear Recruiter] Do you have any disabilities?

    - by refuctored
    Recruiter letter for a technical position: ... Do you have any disabilities that prevent you from successfully performing the essential functions of this job with or without accommodations? ... My response: Robin -- The only qualification I can see as a hiderence to my ability to perform is my lack of fingers.  I find that if I mash the keyboard enough with my stubs, I eventually can get the code to compile correctly. Will this be a problem?   Thank you,George Her response: [None] So much for being an equal opportunity employer, eh?

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  • How to keep balance / Unlock items / achievement rules

    - by Mark Knol
    I'm working on an engine for a game, too learn javascript and just because its fun. I'm a flashdeveloper, I know how to build websites. Now making games is a different challenge, javascript is a challenge, but I'd love to learn how to structure code and what patterns are common. I dont mind if the game ever finish, I'm mostly interested in the programming part of it. I dont have a particular endresult in mind, so I'll see where it takes me. I currently have a system where you can buy items. The items cost a specified amount of gold, silver, diamonds etc. When you have selected and bought the item, it takes time before getting rewarded. When time is over, you are getting rewarded with other properties (gold, energy, diamonds). For example, you can buy an apple for 50gold, It takes a minute, you get rewarded with 75energy. Or if you take a run, it cost 50energy, it takes 5minutes, reward is 25gold and 25silver. These definitions is what i call actions. Currently I already have a system where this already works and I can define as much actions with as much properties as I want. The definitions I have kinda looks like this: {id:101, category:544, onInit:{gold:-75}, onComplete:{energy:75}, time:2000, name:"Apple", locked: false} {id:102, category:544, onInit:{gold:-135}, onComplete:{energy:145}, time:2000, name:"Banana", locked: false} {id:106, category:302, onInit:{energy:-50, power: -25}, onComplete:{gold:100, diamonds:2}, time:10000, name:"Run", locked: false} {id:107, category:302, onInit:{energy:-70, silver: -55}, onComplete:{gold:100}, time:10000, name:"Dance", locked: false} {id:108, category:302, onInit:{energy:-230, power: -355}, onComplete:{gold:70, silver:70}, time:10000, name:"Fitness", locked: false} Now, I would love to add a system where I can lock/unlock the actions using achievement rules. Lets say, if you buy 10 apples, you unlock a new action, like bananas which cost more, and reward more. In the future I maybe want to restrict achievements and actions to levels. I am kinda stuck how to structure this. I have 2 questions: Which patterns are used to define achievements? How/where are they defined? Should it be part of the action, or should it be a separate controller? Is it a good idea to register all completed actions to it? I think I want multiple types of achievement rules, Id love to hear some ideas how to develop it. How do you create/find a good balance, so the user does not get stuck or can cheat by repeat a pattern of actions to get too much rewards. I know there is not a simple answer and i'm lacking of a good game-concept, but I wonder if anyone created such a game and how you dealed and played with it.

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  • Using Substring() in XML FLOWR Queries

    - by Jonathan Kehayias
    Tonight I was monitoring the #sqlhelp hashtag on Twitter for a response to a question I asked when Randy Knight ( Twitter ) asked a question about using SUBSTRING in FLOWR statements with XML. #sqlhelp Is there a way to do a SQL Type "LIKE" or "SUBSTRING" in the where clause of FLWOR statement? Need to evaluate just first n chars. By the time I posted a response, Randy had figured out how to use the contains() function to solve his problem, but I am going to blog this because...(read more)

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  • GWT: Generate more complete crawl error report

    - by Mike
    I'm a developer in charge of managing Webmasters and related issues (including correcting crawl errors) for dozens (hundreds, maybe?) of active sites and as part of my duties I create a report of every discrepancy, including all pages generating a 404 and all pages that link to those pages. Currently within Webmaster Tools I'm able to download a csv file of all pages with a 404 response, but I'm then having to manually click on every single one of those links and copy the "linked from" field to paste into my spreadsheet. This is extremely tedious and seems unnecessary; I would expect the ability to download all that data at once. I'm ultimately looking for the end result of one csv file that has every url with a 404, but also has every url that links to each one of them. Am I overlooking this functionality somewhere or does anyone have a good solution? Edit 1 (2/11/2013): Example of what the csv output looks like now: URL,Response Code,News Error,Detected,Category http://www.abcdef.com/123.php,404,,11/12/13,Not found http://www.abcdef.com/456.php,404,,11/12/13,Not found Which is great, but let's say 123.php has 5 pages that link to it. Now I have to duplicate that row in my spreadsheet 4 more times, then go into Webmasters, get all the url's that link to the page, and add that data to my spreadsheet. The output I would prefer: URL,Response Code,Linked From,News Error,Detected,Category http://www.abcdef.com/123.php,404,http://www.ghijkl.com/naughtypage1.php,,11/12/13,Not found http://www.abcdef.com/123.php,404,http://www.ghijkl.com/naughtypage2.php,,11/12/13,Not found http://www.abcdef.com/123.php,404,http://www.ghijkl.com/naughtypage3.php,,11/12/13,Not found http://www.abcdef.com/456.php,404,http://www.ghijkl.com/naughtypage1.php,,11/12/13,Not found http://www.abcdef.com/456.php,404,http://www.ghijkl.com/naughtypage2.php,,11/12/13,Not found http://www.abcdef.com/456.php,404,http://www.ghijkl.com/naughtypage3.php,,11/12/13,Not found Note the (hypothetical) addition of a "Linked From" column, as well as the fact there are only 2 unique URL's now (like before) but all of the "Linked To" pages are shown in one report. Edit 2 (2/12/2013): To clarify, my question is less about detecting and correcting 404's, but more about generating a report of what Google has listed as errors. Oftentimes, these errors aren't even valid anymore but I still need documentation to show that Google detected a problem and that problem is now fixed. Many of the "linked from" url's I find are actually outdated, cached resources. For example, I'll frequently see that the linked-from url is the sitemap, which is actually an old sitemap cached by Google that points to an old page. Neither the sitemap or old page exist, but they still appear in my crawl error reports because they are cached resources.

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  • How exactly is Google Webmaster Tools measuring "Site Performance"?

    - by Rémi
    I've been working for two months now on improving our response time (mainly server side) on a new forum (a brand new product on a technical point of view) we've launched in Germany a few month ago and I'm a lot surprised by the results I get. I monitor our response time using Apache logs and our own implementation of Boomerang beacon. Using my stats, I can see that our new product responds in about 680 ms where our old product was responding in about 1050 ms. On the other side, Google Webmaster Tool tells us that our pages have an average reponse time of about 1500 ms today where it was 700 three months ago with our old product. I've figured that GWT was taking client side metrics into account so I've added some measures on our Boomerang beacon and everything looks just fine. I've also ran some random pages on ySlow and Google's Page Speed and everything looks better than it was before. We event have a 82% on Google's Page Speed tool which is quite cool for a site with some ads in it :) Lately, we have signed a deal with Akamai to use two of their products : CDN for our static files (we were using another CDN before but it wasn't very effective) and RMA to improve Networks routes. We have also introduced a new agressive cache mecanism to ensure that most of the pages served to crawlers are cached by our memcache grid. After checking my metrics, it seems that this changes have improved from 650ms to about 500ms, which is good (still not great but it is definitly an improvement). But webmaster tools continues to report an increasing average response time where we see it decreasing in the same time. Have you ever had the same kind of wierd behavior on your sites while doing performance improvements ? Do you have any idea how to monitor the same thing Google does with Site Performance in Google Webmaster Tools so that we could improve our site and constantly check if it is what Google wants ? Edit 2011/07/26 : Thanks for your answers guys ! Nevertheless, I was not precise enough. The main issue we have is not with the Site Performance page but with the Crawl Stats one for now. We probably found an issue on our side with some very slow pages (around 3000 ms !!) and we are trying to fix them. I'll keep you posted as soon I'll have some infos. Thanks again !

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  • WebCenter Customer Spotlight: Indecopi

    - by me
    Author: Peter Reiser - Social Business Evangelist, Oracle WebCenter  Solution SummaryIndecopi Optimizes Patent Approval Management and Accelerates Customer Service Times by 40% Indecopi is a decentralized public agency that promotes the country’s markets and protects consumer rights. It promotes fair and honest competition and safeguards all forms of intellectual property through three directorates: Author’s Rights, Inventions and New Technologies, and Trademarks. The business challenge was to unify the agency’s technology infrastructure to create a business process management strategy, consolidate the organization’s Web platform and improve and automate information services for citizens and businesses, and streamline patent procedures by digitizing documentation. Indecopi optimized patent information services , organized information, provided around-the-clock online access to users, and developed a Web site that provides internal and external users access to DIN information, such as patent documentation, through a user-friendly interface. Indecopi achieved impressive business result by reducing use of paper files by 50%, accelerating transaction approvals,  reduce nonvalue-added activities by 85% and  accelerated customer service times by 40%. Company OverviewPeru’s Instituto Nacional de Defensa de la Competencia y de la Protección de la Propiedad Intelectual (Indecopi), the National Institute for the Defense of Competition and Protection of Intellectual Property, is a decentralized public agency that promotes the country’s markets and protects consumer rights. It promotes fair and honest competition and safeguards all forms of intellectual property through three directorates: Author’s Rights, Inventions and New Technologies, and Trademarks. Business ChallengesIndecopi's challenge was to unify the agency’s technology infrastructure to create a business process management strategy, starting with the Directorate of Inventions and New Technologies (DIN), consolidate the organization’s Web platform to meet new demands for software and process development, such as for patent applications, and improve and automate information services for citizens and businesses and streamline patent procedures by digitizing documentation. Solution DeployedIndecopi optimized patent information services with Oracle Business Process Management, automating processes to deliver expedient searches, and to create new services, such as alerts to users. They organized information and provided around-the-clock online access to users with Oracle WebCenter Content. In addition they used Oracle WebLogic Server to develop a Web site that provides internal and external users access to DIN information, such as patent documentation, through a user-friendly interface. Business Results Indecopi achieved impressive business results Reduced use of paper files by 50% Accelerated transaction approvals  reduce nonvalue-added activities, such as manual document copying to obtain patents, by 85% Accelerated customer service times by 40% by optimizing procedures, such as searches and online information related to granting patents “Oracle Business Process Manager has been a paradigm shift in process management. By digitalizing and automating our patents information services, we can now manage everything in the simplest way possible, expanding our options for the creation of new services.” Sergio Rodríguez, Assistant Director, Inventions and New Technologies Directorate, Instituto Nacional de Defensa de la Competencia y la Propiedad Intelectual Additional Information Indecopi Customer Snapshot Oracle WebCenter Content

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  • How to Implement Single Sign-On between Websites

    - by hmloo
    Introduction Single sign-on (SSO) is a way to control access to multiple related but independent systems, a user only needs to log in once and gains access to all other systems. a lot of commercial systems that provide Single sign-on solution and you can also choose some open source solutions like Opensso, CAS etc. both of them use centralized authentication and provide more robust authentication mechanism, but if each system has its own authentication mechanism, how do we provide a seamless transition between them. Here I will show you the case. How it Works The method we’ll use is based on a secret key shared between the sites. Origin site has a method to build up a hashed authentication token with some other parameters and redirect the user to the target site. variables Status Description ssoEncode required hash(ssoSharedSecret + , + ssoTime + , + ssoUserName) ssoTime required timestamp with format YYYYMMDDHHMMSS used to prevent playback attacks ssoUserName required unique username; required when a user is logged in Note : The variables will be sent via POST for security reasons Building a Single Sign-On Solution Origin Site has function to 1. Create the URL for your Request. 2. Generate required authentication parameters 3. Redirect to target site. using System; using System.Web.Security; using System.Text; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string postbackUrl = "http://www.targetsite.com/sso.aspx"; string ssoTime = DateTime.Now.ToString("yyyyMMddHHmmss"); string ssoUserName = User.Identity.Name; string ssoSharedSecret = "58ag;ai76"; // get this from config or similar string ssoHash = FormsAuthentication.HashPasswordForStoringInConfigFile(string.Format("{0},{1},{2}", ssoSharedSecret, ssoTime, ssoUserName), "md5"); string value = string.Format("{0}:{1},{2}", ssoHash,ssoTime, ssoUserName); Response.Clear(); StringBuilder sb = new StringBuilder(); sb.Append("<html>"); sb.AppendFormat(@"<body onload='document.forms[""form""].submit()'>"); sb.AppendFormat("<form name='form' action='{0}' method='post'>", postbackUrl); sb.AppendFormat("<input type='hidden' name='t' value='{0}'>", value); sb.Append("</form>"); sb.Append("</body>"); sb.Append("</html>"); Response.Write(sb.ToString()); Response.End(); } } Target Site has function to 1. Get authentication parameters. 2. Validate the parameters with shared secret. 3. If the user is valid, then do authenticate and redirect to target page. 4. If the user is invalid, then show errors and return. using System; using System.Web.Security; using System.Text; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { if (User.Identity.IsAuthenticated) { Response.Redirect("~/Default.aspx"); } } if (Request.Params.Get("t") != null) { string ticket = Request.Params.Get("t"); char[] delimiters = new char[] { ':', ',' }; string[] ssoVariable = ticket.Split(delimiters, StringSplitOptions.None); string ssoHash = ssoVariable[0]; string ssoTime = ssoVariable[1]; string ssoUserName = ssoVariable[2]; DateTime appTime = DateTime.MinValue; int offsetTime = 60; // get this from config or similar try { appTime = DateTime.ParseExact(ssoTime, "yyyyMMddHHmmss", null); } catch { //show error return; } if (Math.Abs(appTime.Subtract(DateTime.Now).TotalSeconds) > offsetTime) { //show error return; } bool isValid = false; string ssoSharedSecret = "58ag;ai76"; // get this from config or similar string hash = FormsAuthentication.HashPasswordForStoringInConfigFile(string.Format("{0},{1},{2}", ssoSharedSecret, ssoTime, ssoUserName), "md5"); if (string.Compare(ssoHash, hash, true) == 0) { if (Math.Abs(appTime.Subtract(DateTime.Now).TotalSeconds) > offsetTime) { //show error return; } else { isValid = true; } } if (isValid) { //Do authenticate; } else { //show error return; } } else { //show error } } } Summary This is a very simple and basic SSO solution, and its main advantage is its simplicity, only needs to add a single page to do SSO authentication, do not need to modify the existing system infrastructure.

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  • Could anyone suggest me some image manipulation techniques to be added to my image viewer??

    - by avi
    Hello, I'm trying to develop a small image viewer just as an exercise to sharpen my programming skills. So far , all the features that I could think of adding to it are zooming in and out, inverting the colors of the image and resizing. Could anyone suggest me a few more features?? You are also welcome to suggest anything which has not been implemented yet. I would like to take it as a learning challenge. Thanks.

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  • A Patent for Workload Management Based on Service Level Objectives

    - by jsavit
    I'm very pleased to announce that after a tiny :-) wait of about 5 years, my patent application for a workload manager was finally approved. Background Many operating systems have a resource manager which lets you control machine resources. For example, Solaris provides controls for CPU with several options: shares for proportional CPU allocation. If you have twice as many shares as me, and we are competing for CPU, you'll get about twice as many CPU cycles), dedicated CPU allocation in which a number of CPUs are exclusively dedicated to an application's use. You can say that a zone or project "owns" 8 CPUs on a 32 CPU machine, for example. And, capped CPU in which you specify the upper bound, or cap, of how much CPU an application gets. For example, you can throttle an application to 0.125 of a CPU. (This isn't meant to be an exhaustive list of Solaris RM controls.) Workload management Useful as that is (and tragic that some other operating systems have little resource management and isolation, and frighten people into running only 1 app per OS instance - and wastefully size every server for the peak workload it might experience) that's not really workload management. With resource management one controls the resources, and hope that's enough to meet application service objectives. In fact, we hold resource distribution constant, see if that was good enough, and adjust resource distribution if that didn't meet service level objectives. Here's an example of what happens today: Let's try 30% dedicated CPU. Not enough? Let's try 80% Oh, that's too much, and we're achieving much better response time than the objective, but other workloads are starving. Let's back that off and try again. It's not the process I object to - it's that we to often do this manually. Worse, we sometimes identify and adjust the wrong resource and fiddle with that to no useful result. Back in my days as a customer managing large systems, one of my users would call me up to beg for a "CPU boost": Me: "it won't make any difference - there's plenty of spare CPU to be had, and your application is completely I/O bound." User: "Please do it anyway." Me: "oh, all right, but it won't do you any good." (I did, because he was a friend, but it didn't help.) Prior art There are some operating environments that take a stab about workload management (rather than resource management) but I find them lacking. I know of one that uses synthetic "service units" composed of the sum of CPU, I/O and memory allocations multiplied by weighting factors. A workload is set to make a target rate of service units consumed per second. But this seems to be missing a key point: what is the relationship between artificial 'service units' and actually meeting a throughput or response time objective? What if I get plenty of one of the components (so am getting enough service units), but not enough of the resource whose needed to remove the bottleneck? Actual workload management That's not really the answer either. What is needed is to specify a workload's service levels in terms of externally visible metrics that are meaningful to a business, such as response times or transactions per second, and have the workload manager figure out which resources are not being adequately provided, and then adjust it as needed. If an application is not meeting its service level objectives and the reason is that it's not getting enough CPU cycles, adjust its CPU resource accordingly. If the reason is that the application isn't getting enough RAM to keep its working set in memory, then adjust its RAM assignment appropriately so it stops swapping. Simple idea, but that's a task we keep dumping on system administrators. In other words - don't hold the number of CPU shares constant and watch the achievement of service level vary. Instead, hold the service level constant, and dynamically adjust the number of CPU shares (or amount of other resources like RAM or I/O bandwidth) in order to meet the objective. Instrumenting non-instrumented applications There's one little problem here: how do I measure application performance in a way relating to a service level. I don't want to do it based on internal resources like number of CPU seconds it received per minute - We need to make resource decisions based on externally visible and meaningful measures of performance, not synthetic items or internal resource counters. If I have a way of marking the beginning and end of a transaction, I can then measure whether or not the application is meeting an objective based on it. If I can observe the delay factors for an application, I can see which resource shortages are slowing an application enough to keep it from meeting its objectives. I can then adjust resource allocations to relieve those shortages. Fortunately, Solaris provides facilities for both marking application progress and determining what factors cause application latency. The Solaris DTrace facility let's me introspect on application behavior: in particular I can see events like "receive a web hit" and "respond to that web hit" so I can get transaction rate and response time. DTrace (and tools like prstat) let me see where latency is being added to an application, so I know which resource to adjust. Summary After a delay of a mere few years, I am the proud creator of a patent (advice to anyone interested in going through the process: don't hold your breath!). The fundamental idea is fairly simple: instead of holding resource constant and suffering variable levels of success meeting service level objectives, properly characterise the service level objective in meaningful terms, instrument the application to see if it's meeting the objective, and then have a workload manager change resource allocations to remove delays preventing service level attainment. I've done it by hand for a long time - I think that's what a computer should do for me.

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  • Was I wrong about JavaScript?

    - by jboyer
    Yes, I was. Recently, I’ve taken a good hard look at JavaScript. I’ve used it before but mostly in the capacity of web design. Using JQuery to make your web page do cool stuff is different than really creating a JavaScript application using all of the language constructs. What I’m finding as I use it more is that I may have been wrong about my assumptions about it. Let me explain.   I enjoyed doing cool stuff with JQuery but the limited experience with JavaScript as a language coupled with the bad things that I heard about it led me to not have any real interest in it. However, JavaScript is ubiquitous on the web and if I want to do any web development, which I do, I need to learn it. So here I am, diving deep into the language with the help of the JavaScript Fundamentals training course at Pluralsight (great training for a low price) and the JavaScript: The Good Parts book by Douglas Crockford.   Now, there are certainly parts of JavaScript that are bad. I think these are well known by any developer that uses it. The parts that I feel are especially egregious are the following: The global object null vs. undefined truthy and falsy limited (nearly nonexistent) scoping ‘==’ and ‘===’ (I just don’t get the reason for coercion)   However, what I am finding hiding under the covers of the bad things is a good language. I am finding that I am legitimately enjoying JavaScript. This I was not expecting. I’m not going to go into a huge dissertation on what I like about it, but some things include: Object literal notation dynamic typing functional style (JavaScript: The Good Parts describes it as LISP in C clothing) JSON (better than XML) There are parts of JavaScript that seem strange to OOP developers like myself. However, just because it is different or seems strange does not mean it is bad. Some differences are quite interesting and useful.   I feel that it is important for developers to challenge their assumptions and also to be able to admit when they are wrong on a topic. Many different situations can arise that lead to this, such as choosing the wrong technology for a problem’s solution, misunderstanding the requirements, etc. I decided to challenge my assumptions about JavaScript instead of moving straight into CoffeeScript or Dart. After exploring it, I find that I am beginning to enjoy it the more I use it. As long as there are those like Crockford to help guide me in the right way to code in JavaScript, I can create elegant and efficient solutions to problems and add another ‘arrow’ to the ‘quiver’, so to speak. I do still intend to learn CoffeeScript to see what the hub-bub is about, but now I no longer have to be afraid of JavaScript as a legitimate programming language.   Has something similar ever happened to you? Tell me about it in the comments below.

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  • Capitalizing on Knowledge and Improving Workforce Effectiveness with the NEW Oracle User Productivit

    There is no one-size fits all way to effectively tap a firm's intellectual capital. Companies must focus on how knowledge on the core processes and activities that enable it to compete is captured, used, and disseminated to build critical capabilities they need in order to succeed. Learn how organizations can master this challenge with Oracle User Productivity Kit and also hear what's new in Oracle UPK 3.6.1 and Oracle UPK Professional 6.3.

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  • Data Virtualization: Federated and Hybrid

    - by Krishnamoorthy
    Data becomes useful when it can be leveraged at the right time. Not only enterprises application stores operate on large volume, velocity and variety of data. Mobile and social computing are in the need of operating in foresaid data. Replicating and transferring large swaths of data is one challenge faced in the field of data integration. However, smaller chunks of data aggregated from a variety of sources presents and even more interesting challenge in the industry. Over the past few decades, technology trends focused on best user experience, operating systems, high performance computing, high performance web sites, analysis of warehouse data, service oriented architecture, social computing, cloud computing, and big data. Operating on the ‘dark data’ becomes mandatory in the future technology trend, although, no solution can make dark data useful data in a single day. Useful data can be quantified by the facts of contextual, personalized and on time delivery. In most cases, data from a single source may not be complete the picture. Data has to be combined and computed from various sources, where data may be captured as hybrid data, meaning the combination of structured and unstructured data. Since related data is often found across disparate sources, effectively integrating these sources determines how useful this data ultimately becomes. Technology trends in 2013 are expected to focus on big data and private cloud. Consumers are not merely interested in where data is located or how data is retrieved and computed. Consumers are interested in how quick and how the data can be leveraged. In many cases, data virtualization is the right solution, and is expected to play a foundational role for SOA, Cloud integration, and Big Data. The Oracle Data Integration portfolio includes a data virtualization product called ODSI (Oracle Data Service Integrator). Unlike other data virtualization solutions, ODSI can perform both read and write operations on federated/hybrid data (RDBMS, Webservices,  delimited file and XML). The ODSI Engine is built on XQuery, hence ODSI user can perform computations on data either using XQuery or SQL. Built in data and query caching features, which reduces latency in repetitive calls. Rightly positioning ODSI, can results in a highly scalable model, reducing spend on additional hardware infrastructure.

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  • Next Best Action: an emerging engagement paradigm can elevate customer experience to the next level

    - by Richard Lefebvre
    As customer interactions increase across an expanding number of communication channels, business leaders are struggling to understand and engage with each customer effectively. To address this challenge, leading organizations are adopting strategies around “next best action,” a decision-support model that systematically identifies the next best step to take in the customer conversation—whether that action is providing additional information or targeted services, presenting a unique offer, or taking no action at all... Read the complete article - by Mark A. Stevens (vice president, Insight and Customer Strategy, at Oracle) - here

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  • Is there a way to prevent users from adjusting their gamma correction to 'cheat' their way out of a 'dark' area?

    - by Athix
    In almost every game I've come across that includes a dark situation designed to change the way a user interacts with the environment, there are always some players who turn up their monitor's gamma correction in order to negate the desired effect. Is there a way to prevent users from adjusting their gamma correction to 'cheat' their way out of a challenge? (the darkness) I'd imagine if you could reliably retrieve the current gamma correction of the user's monitor, you could use that to more or less prevent the advantage it would otherwise grant without causing the normal users any inconvenience.

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  • Building Cloud Infrastructure? Don't Miss this Webcast with SEI

    - by Zeynep Koch
    WEBCAST: How did Oracle Linux Enable SEI to Save in Infrastructure Costs and Improve Business Response Date: Tuesday, October 30, 2012 Time: 9:00 AM PDT Using the Oracle technology stack, SEI, a leading provider of wealth management solutions, developed an innovative, global platform for its business. That platform is built on a highly integrated infrastructure, operating system, and middleware that allows the organization to scale with customer demand. In this Webcast, join SEI’s Martin Breslin as he discusses: Why and how SEI migrated from a mainframe-based infrastructure to an x86-based infrastructure on Oracle Linux Why SEI chose Oracle Linux, Oracle Enterprise Manager, and Oracle Real Application Cluster for its platform-as-a-service (PaaS) environment How Oracle Linux enabled SEI to save costs and improve response time Key success factors and lessons learned when deploying an enterprise cloud Speakers: Martin Breslin, Senior Infrastructure Architect, SEI Global Monica Kumar, Senior Director, Oracle Linux, Virtualization and MySQL Product Marketing  Register TODAY

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