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• Securing Back End API for Mobile Applications

  - by El Guapo

  I have an application that I am writing for both iOS and Android; this application will be served by a ReSTFUL API running on a cluster of servers on "the internets". I am curious how the rest of the world is going about securing their APIs so only specific applications running on iOS or Android can use these APIs. I could go the same route as other OAuth providers by providing a key/secret combination (2-legged OAuth), however, what do I do if I ever have to change these keys??? Do I create a new key/secret for every person that downloads the app??? The application is a social-based game that will allow the user to interact with other "participants" in the game based on location, achievements, etc. The API will provide the following functions: -Questions, Quests, etc -Profile Management -User Interaction -Possible Social Interaction Once the app gains traction I plan on opening up the API ala Facebook, Twitter, etc. Which is easy enough, I plan on implementing an OAuth Server and whatnot. However, I want to make sure, during this phase, that only people who are using the application can access and use the API.

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• Trouble configuring firewall for FTP on Windows Server 2008 R2

  - by x3ro

  Ok, I'm having the exact same problem as in this question http://serverfault.com/questions/59635/outbound-ftp-on-server-2008-r2-stalls but the accepted answer didn't help me much... I followed the third step of this http://learn.iis.net/page.aspx/309/configuring-ftp-firewall-settings/ guide in order to configure my firewall for FTP, and I am able to authenticate, however, the data channel doesn't seem to be passing through the firewall. If I disable the firewall, everything works fine. Hope someone can help me, as this is really starting to annoy me. Best regards, x3ro

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• Devoxx UK JCP & Adopt-a-JSR activities

  - by Heather VanCura

  Devoxx UK starts this week!  The JCP Program is organizing many activities throughout the conference, including some tables in the Hackergarten area on 12-13 June.  Topics include Java EE, Data Grids, Java SE 8 (Lambdas and Date & Time API), Money & Currency API and OpenJDK.  We will have two book signings by Richard Warburton and Peter Pilgrim during the Hackergarten - free signed copy of their books at these times - first come, first served (limited quantities available).  Thursday night is the party and the Birds of a Feather (BoF) sessions - come with your favorite questions and topics related to the JCP, Adopt-a-JSR and Adopt OpenJDK Programs!  See below for the schedule of activities; I will fill in details for each session tomorrow.    Thursday 12 June 10:20 - 12:50 Java EE -- Arun Gupta 13:30-17:00 Lambdas/Date & Time API --Richard Warburton & Raoul-Gabriel Urma (also a book signing with Richard Warburon during the afternoon break) 14:30-17:30 Data Grids - Peter Lawrey 14:30-18:00 Money & Currency -- Anatole Tresch 18:45 Adopt OpenJDK BoF session (Java EE BoF runs concurrently) 19:45 JCP & Adopt-a-JSR BoF session Friday 13 June 10:20-13:00 OpenJDK -- Mani Sarkar  10:20- 14:30 Money & Currency -- Anatole Tresch 10:20 - 13:00 Java EE -- Peter Pilgrim 13:00-13:30 Peter Pilgrim Java EE 7 Book signing sponsored by JCP @ lunch time 13:30 - 15:30 JCP.Next/JSR 364 -- Heather VanCura

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• Redhat Kernel patching advice

  - by AndyM

  An audit has pointed out that a RHEL server I manage has not had the latest kernel patches applied. I'm confused about kernel patching and within RHEL in relation to RHEL dot releases i.e 5.2 , 5.3 ,5.4 ..... Can someone answer these questions ? If I want to stay at a dot release of RHEL, say 5.4, can apply just updates to the 5.4 kernel or will applying kernel updates bring the server to a later dot release by default? The reason for this question is that I have applications that are only supported on say RHEL5.4 and going to a more recent dot release of RHEL 5 would break the support. I have some HP psp hba drivers compiled against the currently installed kernel, will applying a kernel update break these drivers as they were complied against the orginal kernel ? Anything else I need to look out for with regards to kernel patching ?

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• SQL SERVER – Convert Old Syntax of RAISEERROR to THROW

  - by Pinal Dave

  I have been quite a few comments on my Facebook page and here is one of the questions which instantly caught my attention. “We have a legacy application and it has been a long time since we are using SQL Server. Recently we have upgraded to the latest version of SQL Server and we are updating our code as well. Here is the question for you, there are plenty of places we have been using old style RAISEERROR code and now we want to convert it to use THROW. Would you please suggest a sample example for the same.” Very interesting question. THROW was introduced in SQL Server 2012 to handle the error gracefully and return the error message. Let us see quickly two examples of SQL Server 2012 and earlier version. Earlier Version of SQL Server BEGIN TRY SELECT 1/0 END TRY BEGIN CATCH DECLARE @ErrorMessage NVARCHAR(2000), @ErrorSeverity INT SELECT @ErrorMessage = ERROR_MESSAGE(), @ErrorSeverity = ERROR_SEVERITY() RAISERROR (@ErrorMessage, @ErrorSeverity, 1) END CATCH SQL Server 2012 and Latest Version BEGIN TRY SELECT 1/0 END TRY BEGIN CATCH THROW END CATCH That’s it! We are done! Reference: Pinal Dave (http://blog.SQLAuthority.com)Filed under: PostADay, SQL, SQL Authority, SQL Error Messages, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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• As a solo programmer, of what use can Gerrit be?

  - by s.d

  Disclaimer: I'm aware of the questions How do I review my own code? and What advantages do continuous integration tools offer on a solo project?. I do feel that this question aims at a different set of answers though, as it is about a specific software, and not about general musings about the use of this or that practice or tech stack. I'm a solo programmer for an Eclipse RCP-based project. To be able to control myself and the quality of my software, I'm in the process of setting up a CSI stack. In this, I follow the Eclipse Common Build Infrastructure guidelines, with the exception that I will use Jenkins rather than Hudson. Sticking to these guidelines will hopefully help me in getting used to the Eclipse way of doing things, and I hope to be able to contribute some code to Eclipse in the future. However, CBI includes Gerrit, a code review software. While I think it's really helpful for teams, and I will employ it as soon as the team grows to at least two developers, I'm wondering how I could use it while I'm still solo. Question: Is there a use case for Gerrit that takes into account solo developers? Notes: I can imagine reviewing code myself after a certain amount of time to gain a little distance to it. This does complicate the workflow though, as code will only be built once it's been passed through code review. This might prove to be a "trap" as I might be tempted to quickly push bad code through Gerrit just to get it built. I'm very interested in hearing how other solo devs have made use of Gerrit.

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• Representation of data in application versus database

  - by user1815201

  I'm going to make an application that will be given data to put in a database. The data will for the most part be the same, but the way it is formatted will vary a lot (could be in anything from text files to .xls to .doc). I'm not a very experienced developer, but I can see some potential issues and I want to minimize them. First off I have decided to use the DAO pattern, so that I can easily support new file formats or file suddenly formatted in different ways. What I really wonder about though, is how I should manage the data itself within my application. I'm thinking that the database DAO should have models representing each table of the database with the same relations between them, to make the uploading process easy. But should the filesystem DAO's have to use the same models? I can imaging that when the database changes, the change will suddenly propagate throughout the entire system, all DAOs and models alike. And that is obviously a bad thing. I'm a little bit tired and out of time. Will update with what ever questions you have. Thanks!

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• Windows Intune, Cloud Desktop management

  - by David Nudelman

  As a part of Microsoft Cloud computing strategy, Windows Intune beta was released today. Here’s a quick overview of what customers and IT consultants can do with the cloud service component of Windows Intune: Manage PCs through web-based console: Windows Intune provides a web-based console for IT to administrate their PCs. Administrators can manage PCs from anywhere. Manage updates: Administrators can centrally manage the deployment of Microsoft updates and service packs to all PCs. Protection from malware: Windows Intune helps protect PCs from the latest threats with malware protection built on the Microsoft Malware Protection Engine that you can manage through the Web-based console. Proactively monitor PCs: Receive alerts on updates and threats so that you can proactively identify and resolve problems with your PCs—before it impacts end users and your business. Provide remote assistance: Resolve PC issues, regardless of where you or your users are located, with remote assistance. Track hardware and software inventory: Track hardware and software assets used in your business to efficiently manage your assets, licenses, and compliance. Set security policies: Centrally manage update, firewall, and malware protection policies, even on remote machines outside the corporate network. And here a quick video about Windows Intune For support and questions go to : TechNet Forums for Intune Regards, David Nudelman

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• Routing only some local IPs through VPN on dd-wrt

  - by bo-inge-ostberg

  Much similar to this entry: http://serverfault.com/questions/94283/using-dd-wrt-to-connect-to-vpn-and-forward-all-traffic-of-certain-devices-through , I have set up my router with dd-wrt + OpenVPN to connect to a VPN. This works fine, and all traffic from behind the router goes through the VPN. How do I route(?) traffic in the router so that only certain IPs from the LAN will go through the VPN, while the others take the "normal" route? Is it also possible to allow traffic from certain local IPs to go ONLY through the VPN, making it impossible for them to use the regular internet connection if the VPN is down? I know this question was answered in the post I linked to, but that just doesn't seem to work for me. The routing table and rules change, but traffic still just goes through the VPN.

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• The lifecycle of "cool"

  - by Dori

  I've been thinking lately about how some programming projects/products become "cool," and in particular, how that trend can later reverse. Here are two examples that might better explain my context: Textmate Whenever someone asks about text editors on OS X, the answer on the SE sites is an automatic "Textmate!" But looked at objectively: Textmate 1.0 shipped October 2004 Textmate 1.5 shipped January 2006 Textmate 2 was announced February 2006 As of September 2010, the currently shipping version is 1.5.9 In all of 2010, there have been a total of three posts on the Textmate blog At what point (if ever) do Textmate fans start thinking about switching to another text editor? When it breaks after some future Apple update? When alpha geeks they respect start recommending something else? Or? jQuery Whenever a JavaScript-related question is asked on the SE sites, the knee-jerk response is "jQuery!" I've seen it happen even when the question itself only required a single line of JavaScript. Or when the question could be better answered by using CSS. Do the answerers understand they're suggesting a blowtorch to light a candle? That they're recommending adding 70K or so of code to do something trivial? Or is it a symptom of "When you have a hammer, everything looks like a nail"—that is, jQuery is all they know how to do, so that's their recommendation? And do they understand that while they may know jQuery well, that doesn't necessarily mean that they know JavaScript? Is there a way to explain that learning JavaScript would make them better jQuery programmers? My bigger-picture questions: Is this niche focus primarily a trait of programmers? How do you get programmers to not immediately jump to recommending their personal favorites? What can motivate programmers to review their initial selection criteria and possibly modify their choice? Your thoughts?

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• Ping / Trace Route

  - by dbasnett

  More and more I see programmers developing web based applications that are based on what I call "ping-then-do" mentality. An example would be the application that pings the mail server before sending the mail. In a rather heated debate in another forum I made this statement, "If you are going to write programs that use the internet, you should at least have a basic idea of the fundamentals. The desire to "ping-then-do" tells me that many who are, don’t." On this forum and at Stack Overflow I see numerous questions about ping / trace route and wonder why? If it is acceptable to have a discussion about it here I would like to hear what others think. If not I assume it will be closed rapidly.

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• Partner Webcast – Introducing Oracle Business Activity Monitoring - 18 October 2012

  - by Thanos

  Oracle Business Activity Monitoring (Oracle BAM), a component of both SOA Suite and BPM Suite, is a complete solution for building interactive, real-time dashboards and proactive alerts for monitoring business processes and services. Oracle BAM gives both business executives and operational manager’s timely information to make better business decisions.  A Real-time Business Visibility Solution that allows to monitor business services and processes in the enterprise, to correlate KPIs down to the actual business process themselves, and most important, to change business processes quickly or to take corrective action if the business environment changes. Let us show you how BAM provides a powerful insight, through Real-Time Dashboards, that can be a competitive edge for all your customers. Agenda: Oracle BAM Overview Business Problems New Approach with Oracle BAM 11g Demonstration Summary & Q&A Delivery Format This FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. Duration: 1 hour Register Now Send your questions and migration/upgrade requests [email protected] Visit regularly our ISV Migration Center blog or Follow us @oracleimc to learn more on Oracle Technologies, upcoming partner webcasts and events. All content is made available through our YouTube - SlideShare - Oracle Mix.

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• Partner Webcast - Oracle WebCenter: Portal Highlights - 31 Oct 2013

  - by Thanos Terentes Printzios

  Oracle WebCenter is the center of engagement for business. In order to succeed in today’s economy, organizations need to engage with information across all channels to ensure customers, partners and employees have access to the right information in the context of the business process in which they are engaged. The latest release of Oracle WebCenter addresses this challenge with updates across its complete portfolio.Nowadays, Portals are multi-channel applications that enable the creation, sharing and distribution of personalized content, as well as access to social networking and self-service capabilities. Web 2.0 and social technologies have already transformed the ways customers, employees, partners, and suppliers communicate and stay informed.The new release of Oracle WebCenter Portal makes it easier and faster for business users to create intuitive portals with integrated application content Streamlining development with an integrated set of tools for web and mobile. Providing out-of-the box templates for common use cases. Expediting the portal creation experience with new development tools empower business users to build and deploy mobile portals and websites with unprecedented speed—without having to wait for IT which leads to a shorter time to market and reduced costs. Join us to discover a Web platform that allows organizations to quickly and easily create intranets, extranets, composite applications, and self-service portals, providing users a more secure and efficient way of consuming information and interacting with applications, processes, and other users – the latest Oracle WebCenter Portal release 11gR1 PS7. Agenda Oracle WebCenter Overview Oracle WebCenter Portal New and enhanced features to improve the user experience: For Knowledge Workers Simplified Portal Creation Search Enhancements For Application Specialists New Portal Builder Simplify Mobile Development For Developers : Enhanced APIs and ADF Support For Administrators Lifecycle Enhancements Search Administration Impersonation Summary - Q&A This is our first webcast of an Oracle Webcenter Series for Partners, with the support of  Oracle EMEA Webcenter Partner Community. Delivery Format This FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. New invitations will be shared of additional webcasts planned for Oracle Webcenter. Thursday, October 31st, 2013 10am CET (8am UTC / 11am EEST)  Register Now For any questions please contact us at [email protected] Stay Connected

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• Are C++ templates just a kind of glorified macros?

  - by Gulshan

  From different comparisons among C++ templates and C#/Java generics like this one- http://stackoverflow.com/questions/31693/what-are-the-differences-between-generics-in-c-and-java-and-templates-in-c/31929#31929 I have a got a perception that, C++ templates are implemented by some kind of preprocessing, not compiling. In other words, they are just a kind of C macros. Is this right? Then I felt that, if C++ templates are implemented by preprocessing, dynamic linking(.dll) cannot be used. A quick google search also supports this. And lastly, how can we use macros in C to deliver C++ templates like functionalities? Another thing came in my mind about templates similar to some kind of preprocessor that, there can be integers passed as arguments to some templates. And it even supports kind of recursion. But the recursion is not in the assembly/machine code. So, am I wrong calling templates glorified macros? Unlike normal macros, it has some superior abilities. But isn't it a kind of preprocessing?

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• Determining who is running with administrator rights?

  - by Alex C.

  I work at a small non-profit organization with about 55 desktop PCs running Windows XP Pro. The domain controller is running Windows Server 2003. I have a two-part question (note that I'm a bit of a newb when it comes to network administration). Part 1: Is there some simple way that I can determine which accounts are logged in with administrator rights? Part 2: Is there a way that I can remove administrator rights from users without sitting down at each individual machine? Thanks for considering my questions.

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• Oracle OpenWorld Preview: Oracle Social Network Developer Challenge

  - by kellsey.ruppel

  Originally posted by Jake Kuramoto on The Apps Lab blog. Noel (@noelportugal) and I have been working on something new for OpenWorld (@oracleopenworld) for quite some time, and today, I got the final approvals to go ahead with the Oracle Social Network Developer Challenge. The skinny. The Challenge is a modified hackathon, designed to run during OpenWorld and JavaOne (@javaoneconf), and attendees of both conferences are welcome to join and compete for the single prize of $500 in Amazon gift cards. There’s only one prize, so bring your A-game. The Challenge begins Sunday, September 30 at 7 PM and ends Wednesday, October 3 at 4 PM. You can and should register now, but we won’t begin approving  registrations until Sunday at 7 PM. For legal reasons, you’ll need to register with a corporate email address, not a free webmail one, e.g. Gmail, Hotmail, Outlook, Yahoo Mail, ISP-provided mail, etc. If you work for a competitor of Oracle, sorry but you’re not eligible. Everything you need is in the cloud, including support, but if you need help or have questions, visit office hours in the OTN Lounge in the Howard Street tent Monday, October 1 and Tuesday, October 2 4-8 PM to get help from the product team. The judging begins Wednesday, October 3 at 4 PM. To be considered for the prize, you’ll need to attend to demo your working code to the judges. Attendees with badges from either OpenWorld or JavaOne are welcome in the OTN Lounge, so you’ll need one of those too. Did I mention, register now? Be sure to check out Jake's original post for the long-winded explanations.

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• Is Joel Test really a good gauging tool?

  - by henry

  I just learned about Joel Test. I have been computer programmer for 22 years, but somehow never heard about it before. I consider my best job so far to be this small investment managing company with 30 employees and only 3 people in IT department. I am no longer with them but I had being working there for 5 years – my longest streak with any given company. To my surprise they scored extremely poor on Joel Test. The only two questions I would answer “yes” are #4: Do you have a bug database? And #9: Do you use the best tools money can buy? Everything else is either “sometimes” or straight “no”. Here is what I liked about the company however: a) Good pay, they bragged about it to my face and I bragged about it to their face, so it was almost like a family environment. b) I always knew big picture. When writing a code to solve particular problem there were no ambiguity about the business nature of that problem. Even though we did not always had written specs we could ask business users a question anytime, often yelling it across the floor. I could even talk to executives any time I felt like doing it: no appointment necessary. c) Immediate feedback. Once we implement a solution and make business users happy they immediately let us know that, we (programmers) become heroes of the moment. d) No red tape. I could always buy any tools I deem necessary, and design solutions the way my professional judgment dictates. e) Flexibility. If I had mid-day dental appointment that is near my house rather than near the office, I would send email to the company: "FYI: I work from home today". As long as one of 3 IT guys was on the floor (to help traders in case their monitors go dark) they did not care where 2 others are. So the question thus becomes how valuable Joel Test is? Why bother with it?

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• How should I work out VAT (UK tax) in my eCommerce site?

  - by Leonard Challis

  We have an ecommerce system in place. The sales actually go through Sage, so we have an export script from our system that uses a third-party Sage Importer program. With a new version of this importer, values are checked more thoroughly. We are getting 1 pence discrepancies because of the way rounding works - our system has always held prices and worked to 4 decimal places. In the checkout the totals would be worked out first, then the rounding to 2 decimal places. The importer does rounding first, though. So, for instance: Our way: Product 1: £13.4561 Qty: 2 Total inc VAT = £32.29 (to 2dp) Importer way: Our way: Product 1: £13.4561 Qty: 2 Total inc VAT = £32.30 (to 2dp) Management are reluctant to lose the 4dp but the developers of the Sage importer have said that this is correct and makes sense -- you woudn't sell a product for £13.4561 in a shop, nor would you charge someone tax at 4 decimal places. I contacted the HMRC and the operator didn't really give me much to go on, telling me a technician would phone back, to which they haven't and I'm still waiting after almost a week and numerous follow-up calls. I did find a PDF on the HMRC's web site, but this did about us much to confuse me as it did to answer my questions. I see that they're happy for people to round up or down, as long it is consistent, but I can't tell whether it should be done on a line by line basis or on the end total of the order. We are now in the position where we need to decide whether it's worth us doing one of the following, or something completely different. Please advise with any experience or information I can read. Change all products on the site to use 2dp Keep 4dp but round each line in the order to 2dp before working out tax Keep it as it is and "fudge" the values at the export script (i.e. make that values correct by adding or subtracting 1p and changing the shipping cost to make the totals still work out) Any thoughts?

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• What is the best way to configure Apache or AWS to support a Rails multi tenancy application that allows each customer to have their own domain name?

  - by Ryan Arneson

  I'm building a Rails 3 SaaS site that allows for multi-tenancy. When a customer signs up they put in their own domain name, e.g. example.com. I need example.com to point to my SaaS application and serve them their content. My questions are as follows: Do I need to create an Apache vhost for each customer using their own domain? Is there an easier way with CNAME's to just have the customer point to the IP address of my server(s) that then forwards the request onto my application through some catch all vhost? Would I be able to create the CNAME record for the customer so they don't have to do any setup? Would this be a case better suited to Amazon Web Services? Any help or explanation or corrections on my understanding of dns would be appreciated. I'm a developer so the server ops portion of this is a bit cloudy.

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• Using Automator to click on an Application-specific button

  - by Roberto Aloi

  I'm new to Automator. I need to launch a specific application and to click on one of its buttons. I've used the "Watch Me Do" feature to register the button click but, in the Automator events log, this action is being reported as "Bring the window XXX to the front." I'm then wondering if a better way exists to "record" a button-click. The reason behind my question is linked to this: http://superuser.com/questions/148386/mac-running-an-automator-task-at-night In fact, using the "Watch me do" approach, Automator is apparently not able to perform the click action when the machine is on sleep and a password is required. Any help would be much appreciated. Thanks.

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• Designing javascript chart library

  - by coolscitist

  I started coding a chart library on top of d3js: My chart library. I read Javascript API reusability and Towards reusable charts. However, I am NOT really following the suggestions because I am not really convinced about them. This is how my library can be used to create a bubble chart: var chart = new XYBubbleChart(); chart.data = [{"xValue":200,"yValue":300},{"xValue":400,"yValue":200},{"xValue":100,"yValue":310}]; //set data chart.dataKey.x = "xValue"; chart.dataKey.y = "yValue"; chart.elementId = "#chart"; chart.createChart(); Here are my questions: It does not use chaining. Is it a big issue? Every property and function is exposed publicly. (Example: width, height are exposed in Chart.js). OOP is all about abstraction and hiding, but I don't really see the point right now. I think exposing everything gives flexibility to change property and functionality inside subclasses and objects without writing a lot of code. What could be pitfalls of such exposure? I have implemented functions like: zooming, "showing info boxes when data point is clicked" as "abilities". (example: XYZoomingAbility.js). Basically, such "abilities" accept "chart" object, play around with public variables of "chart" to add functionality. What this allows me to do is to add an ability by writing: activateZoomAbility(chartObject); My goal is to separate "visualization" from "interactivity". I want "interactivity" like: zooming to be plugged into the chart rather than built inside the chart. Like, I don't want my bubble chart to know anything about "zooming". However, I do want zoomable bubble chart. What is the best way to do this? How to test and what to test? I have written mixed tests: jasmine and actual html files so that I can test manually on browser.

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• Server Fault Wiki: How does Subnetting Work?

  - by Kyle Brandt

  How does Subnetting Work, and How do you do it by hand or in your head? Can someone explain both conceptually and with several examples? Server Fault gets lots of subnetting homework questions, so we could use an answer to point them to on Server Fault itself. If I have a network, how do I figure out how to split it up? If I am given a netmask, how do I know what the network Range is for it? Sometimes there is a slash followed by a number, what is that number? Sometimes there is a subnet mask, but also a wildcard mask, they seem like the same thing but they are different? Someone mentioned something about knowing binary for this? Not looking for links to other sites (unless maybe you have one post with a bunch of good ones). I already know how to subnet, I just thought it would be nice if Server Fault had a generic subnetting answer.

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• Good resources for learning Rails?

  - by Bobby Tables

  I just finished working through Peter Cooper's "Beginning Ruby". So now I've got a reasonable grounding in the Ruby language and would like to move onto learning Rails. This question's answers give some good pointers, but I'd like to hear some specific reviews of books and online materials. I generally learn best by working through books with good practical/technical examples AND some passive reading content that breaks up the study between practical and reading sessions (this is what made "Beginning Ruby" great for me), but I'm worried that RoR is evolving fast and that any printed book I order might be obsolete by the time I get it and work through it. Is this a fair worry? Or can anyone recommend a good Rails 3 book that should be up to date at least for the next year or so? Also, I had a brief look at some of the online resources from the other questions, and Rails for Zombies seems to get a lot of praise. Has anyone here actually used it as their introductory guide to Rails? Basically I'd like to hear first-hand accounts of people who went through this "Ruby-to-Rails" learning phase recently and which materials were useful to you.

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• How to calculate power/energy taken by computer and screen

  - by r0ca

  I need to investigate how much power my linux machine uses per week. I can take a look at the PSU but I would like to know how to calculate the average use of power it takes. I also need to know how much power a CRT screen use per week. Do I need to check the PSU Watt unit and Screen Watt usage and just add both to have the results? P.S. My english is not good, sorry about that! P.P.S. My question is not related to: http://superuser.com/questions/9946/how-to-choose-a-ups-calculate-power-for-a-new-pc

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• Userful Resources on ADF/JSF/JDEVELOPER

  - by vijaykumar.yenne

  In most of my interactions with the partner developer community who are working on either Webcenter Projects or ADF related Projects, there are constant questions that come up on the documentation or samples or step by step instructions for novices. Though most of the resources are available online on the OTN site, there seems to be a difficulty in getting hold of the right resource for their job to be done, which i am yet to solve. However here is a list of resources that you should have been to if you in the oracle world and building rich internet based applications using JSF/ADF. 1. If you have just started with JDeveloper and wanted to the different nuances of ADF developement and want to deepen your knowledge you should definitely go through these tutorials: http://www.oracle.com/technology/products/jdev/11/cuecards111/index.html 2. Everything about JDEV - includes the IDE download, demos, sample code, best practices etc. http://www.oracle.com/technology/products/jdev/index.html 3. All About ADF: http://www.oracle.com/technology/products/adf/index.html 4. Know more about ADF Faces : http://www.oracle.com/technology/products/adf/index.html 5. If you want to deepen your knowledge here is the aggregate list of all the blogs by our internal development teams and experts from around the globe. This is really an interesting feed especially when you want to do a deep dive on various aspects and want to be an expert in the oracle UI world. http://www.connotea.org/user/jdeveloper Last but not the least, you should always leverage the entire community whenever you run into any issues : http://forums.oracle.com

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