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• Best Party of 2011: Introducing Java 7

  - by Tori Wieldt

  As a member of the Java community, you played a critical role in building Java 7. You contributed great ideas for new features and new ways of working and collaborating to take the next step in development. And now, it’s time to celebrate with a global gathering of the Java community—online and live. See your ideas at work. Hear about everything Java 7 can do for you and how we’re moving Java forward together. Join us for celebrations in Redwood Shores, São Paulo, or London—as we unveil the latest innovations in Java 7. The three events will be joined with each other by satellite, and will be available as a webcast if you can't attend the live events. Learn from fellow developers around the globe who are getting the most out of the new features. Get overviews from the Java experts on Project Coin, the Fork/Join framework, the new file system API, improvements to the VM, and a panel discussion with Q & A. Thursday, July 07, 2011 Redwood Shores, United States: 9:00 a.m. PT - 1:30pm PT São Paulo, Brazil: 1:00 p.m BRT London, England: 5:00 p.m. BST Live Webcast: 9:00 a.m. PT - 1:30pm PT  Get more information about the July 7 events. You need to register for the live events or webcast. There will also be other celebrations at Java User Group (JUG) meetings for the next few months.Find your local JUG. Follow the conversation on Twitter: follow @Java and use #java7 Java is moving forward, let's party!

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• JCP 2012 Award Nominations Announced

  - by heathervc

    The 10th Annual JCP Program Award Nominations have been posted on JCP.org.  The community gets together every year during JavaOne to congratulate the winners and nominees at the JCP Community Party held in San Francisco. This year there are three awards: JCP Member/Participant of the Year, Outstanding Spec Lead, and Most Significant JSR. Member of the Year: Stephen Colebourne Markus Eisele Google JUG Chennai Werner Keil London Java Community and SouJava Antoine Sabot-Durand Outstanding Spec Lead Michael Ernst, JSR 308, Annotations on Java Types Victor Grazi, Credit Suisse, JSR 354, Money and Currency API Nigel Deakin, Oracle, JSR 343, Java Message Service 2.0 Pete Muir, Red Hat, JSR 346, Contexts and Dependency Injection for Java EE 1.1 Most Significant JSR API for JSON Processing, JSR 353 Money and Currency API, JSR  354 Java State Management, JSR 350 Java Message Service 2, JSR 343 JCP.Next, JSR 348, JSR 355, and JSR 358 Congratulations to the nominees; you can read the nomination text and more information about the awards here.  And remember to join us on Tuesday, 2 October at the Infusion Lounge to celebrate with the winners and nominees!

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• The 2012 JAX Innovation Awards

  - by Janice J. Heiss

  A new article, now up on otn/java, titled “The 2012 JAX Innovation Awards” reports on  important Java developments celebrated by the Awards, which were announced in July of 2012. The Awards, given by S&S Media Group, aim to, "Reward those technologies, companies, organizations and individuals that make outstanding contributions to Java." The Awards fall into three categories: Most Innovative Java Technology, Most Innovative Java Company, and Top Java Ambassador. In addition, a finalist who did not win an award receives a Special Jury prize, "in acknowledgement of their unique contribution and positive impact on the Java ecosystem."The winners were: JetBrains for Most Innovative Java Company; Adam Bien as Top Java Ambassador; Restructure 101, created by Headway Software, as Most Innovative Technology; and Charles Nutter, Special Jury award. Each winner received a $2,500 prize. The five finalists in each category were invited to attend the JAX Conference in San Francisco, California. This year's winners each received a $2,500 prize. JetBrains Fellow, Ann Oreshnikova, listed her favorite JetBrains innovations: * Nullability annotations and nullability checker* CamelCase navigation and completion* Continuous Integration in grid (on multiple agents), in TeamCity* IntelliJ Platform and its language support framework* MPS language workbench* Kotlin programming languageWhen asked what currently excites him about Java, Adam Bien, winner of the Java Ambassador Award, expressed enthusiasm over the increasing interest of smaller companies and startups for Java EE. “This is a very good sign,” he said. “Only a few years ago J2EE was mostly used by larger companies -- now it becomes interesting even for one-person shows. Enterprise Java events are also extremely popular. On the Java SE side, I'm really excited about Project Nashorn.”Special Jury Prize Winner, Charles Nutter of Red Hat, remarked that, “JRuby seems to have hit a tipping point this past year, moving from ‘just another Ruby implementation’ to ‘the best Ruby implementation for X,’ where X may be performance, scaling, big data, stability, reliability, security, and a number of other features important for today's applications. Check out the complete article here.

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• The Enterprise Side of JavaFX: Part Two

  - by Janice J. Heiss

  A new article, part of a three-part series, now up on the front page of otn/java, by Java Champion Adam Bien, titled “The Enterprise Side of JavaFX,” shows developers how to implement the LightView UI dashboard with JavaFX 2. Bien explains that “the RESTful back end of the LightView application comes with a rudimentary HTML page that is used to start/stop the monitoring service, set the snapshot interval, and activate/deactivate the GlassFish monitoring capabilities.”He explains that “the configuration view implemented in the org.lightview.view.Browser component is needed only to start or stop the monitoring process or set the monitoring interval.”Bien concludes his article with a general summary of the principles applied:“JavaFX encourages encapsulation without forcing you to build models for each visual component. With the availability of bindable properties, the boundary between the view and the model can be reduced to an expressive set of bindable properties. Wrapping JavaFX components with ordinary Java classes further reduces the complexity. Instead of dealing with low-level JavaFX mechanics all the time, you can build simple components and break down the complexity of the presentation logic into understandable pieces. CSS skinning further helps with the separation of the code that is needed for the implementation of the presentation logic and the visual appearance of the application on the screen. You can adjust significant portions of an application's look and feel directly in CSS files without touching the actual source code.”Check out the article here.

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• Collision checking problem on a Tiled map

  - by nosferat

  I'm working on a pacman styled dungeon crawler, using the free oryx sprites. I've created the map using Tiled, separating the floor, walls and treasure in three different layers. After importing the map in libGDX, it renders fine. I also added the player character, for now it just moves into one direction, the player cannot control it yet. I wanted to add collision and I was planning to do this by checking if the player's new position is on a wall tile. Therefore as you can see in the following code snippet, I get the tile type of the appropriate tile and if it is not zero (since on that layer there is nothing except the wall tile) it is a collision and the player cannot move further: final Vector2 newPos = charController.move(warrior.getX(), warrior.getY()); if(!collided(newPos)) { warrior.setPosition(newPos.x, newPos.y); warrior.flip(charController.flipX(), charController.flipY()); } [..] private boolean collided(Vector2 newPos) { int row = (int) Math.floor((newPos.x / 32)); int col = (int) Math.floor((newPos.y / 32)); int tileType = tiledMap.layers.get(1).tiles[row][col]; if (tileType == 0) { return false; } return true; } The character only moves one tile with this code: If I reduce the col value by two it two more tiles. I think the problem will be around indexing, but I'm totally confused because the zero in the coordinate system of libGDX is in the bottom left corner of the screen, and I don't know the tiles array's indexing is similair or not. The size of the map is 19x21 tiles and looks like the following (the starting position of the player is marked with blue:

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• Supporting and testing multiple versions of a software library in a Maven project

  - by Duncan Jones

  My company has several versions of its software in use by our customers at any one time. My job is to write bespoke Java software for the customers based on the version of software they happen to be running. I've created a Java library that performs many of the tasks I regularly require in a normal project. This is a Maven project that I deploy to our local Artifactory and pull down into other Maven projects when required. I can't decide the best way to support the range of software versions used by our customers. Typically, we have about three versions in use at any one time. They are normally backwards compatible with one another, but that cannot be guaranteed. I have considered the following options for managing this issue: Separate editions for each library version I make a separate release of my library for each version of my company software. Using some Maven cunningness I could automatically produce a tested version linked to each of the then-current company software versions. This is feasible, but not without its technical challenges. The advantage is that this would be fairly automatic and my unit tests have definitely executed against the correct software version. However, I would have to keep updating the versions supported and may end up maintaining a large collection of libraries. One supported version, but others tested I support the oldest software version and make a release against that. I then perform tests with the newer software versions to ensure it still works. I could try and make this testing automatic by having some non-deployed Maven projects that import the software library, the associated test JAR and override the company software version used. If those projects build, then the library is compatible. I could ensure these meta-projects are included in our CI server builds. I welcome comments on which approach is better or a suggestion for a different approach entirely. I'm leaning towards the second option.

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• Thunderbird keeps crashing Ubuntu 12.04 64 bit

  - by maurizio ribera d'alcala'

  I have been using Thunderbird for years under different versions of Ubuntu, including 12.04 since its release. From a couple of days it keeps crashing after a few seconds after start. I tried to reinstall it creating a new profile and copying the old mail, file by file. After one day of normal functioning it started again to crash. Mozilla is receiving the crash reports. Following is the content of the last one: Add-ons: [email protected]:15.0,[email protected]:0.3.11,[email protected]:0.9.3,[email protected]:3.4.1,[email protected]:15.0,[email protected]:0.5.1,{b4447f60-db9c-11da-a94d-0800200c9a66}:0.9.1,{972ce4c6-7e08-4474-a285-3208198ce6fd}:15.0 BuildID: 20120827103657 CrashTime: 1347200254 EMCheckCompatibility: true Email: [email protected] FramePoisonBase: 7ffffffff0dea000 FramePoisonSize: 4096 InstallTime: 1346431480 Notes: OpenGL: Tungsten Graphics, Inc -- Mesa DRI Intel(R) Sandybridge Mobile -- 3.0 Mesa 8.0.2 -- texture_from_pixmap ProductID: {3550f703-e582-4d05-9a08-453d09bdfdc6} ProductName: Thunderbird ReleaseChannel: release SecondsSinceLastCrash: 1109 StartupTime: 1347200242 Theme: classic/1.0 Throttleable: 1 Vendor: Version: 15.0 I started Thunderbird in safe mode and tested all the add-ons. Apparently is the 'Unity Launcher Integration' that creates the problem. I say apparently because I want two wait for two-three days to be sure TB returns to its regular functioning. Is this a bug? can it be solved

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• Java's Object.wait method with nanoseconds: Is this a joke or am I missing something

  - by Krumia

  I was checking out the Java API source code (Java 8) just out of curiosity. And I found this in java/lang/Object.java. There are three methods named wait: public final native void wait(long timeout): This is the core of all wait methods, which has a native implementation. public final void wait(): Just calls wait(0). And then there is public final void wait(long timeout, int nanos). The JavaDoc for the particular method tells me that, This method is similar to the wait method of one argument, but it allows finer control over the amount of time to wait for a notification before giving up. The amount of real time, measured in nanoseconds, is given by: 1000000*timeout+nanos But this is how the methods achieves "finer control over the amount of time to wait": if (nanos >= 500000 || (nanos != 0 && timeout == 0)) { timeout++; } wait(timeout); So this method basically does a crude rounding up of nanoseconds to milliseconds. Not to mention that anything below 500000ns/0.5ms will be ignored. Is this piece of code bad/unnecessary code, or am I missing some unseen virtue of declaring this method, and it's no argument cousin as the way they are?

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• Tomcat + Spring + CI workflow

  - by ex3v

  We're starting our very first project with Spring and java web stack. This project will be mainly about rewriting quite large ERP/CRM from Zend Framework to Java. Important factor in my question is that I come from php territory, where things (in terms of quality) tend to look different than in java world. Fatcs: there will be 2-3 developers, at least one of developers uses Windows, rest uses Linux, there is one remote linux-based machine, which should handle test and production instances, after struggling with buggy legacy code, we want to introduce good programming and development practices (CI, tests, clean code and so on) client: internal, frequent business logic changes, scrum, daily deployments What I want to achieve is good workflow on as many development stages as possible (coding - commiting - testing - deploying). The problem is that I've never done this before, so I don't know what are best practices to do this. What I have so far is: developers code locally, there is vagrant instance on every development machine, managed by puppet. It contains the same linux, jenkins and tomcat versions as production machine, while coding, developer deploys to vagrant machine, after local merge to test branch, jenkins on vagrant handles tests, when everything is fine, developer pushes commits and merges jenkins on remote machine pulls commit from test branch, runs tests and so on, if everything looks green, jenkins deploys to test tomcat instance Deployment to production is manual (altough it can be done using helping scripts) when business logic is tested by other divisions and everything looks fine to client. Now, the real question: does above make any sense? Things that I'm not sure about: Remote machine: won't there be any problems with two (or even three, as jenkins might need one) instances of same app on tomcat? Using vagrant to develop on php environment is just vise. Isn't this overkill while using Tomcat? I mean, is there higher probability that tomcat will act the same on every machine? Is there sense of having local jenkins on vagrant?

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• Exalogic Elastic Cloud Software (EECS) version 2.0.1 available

  - by JuergenKress

  We are pleased to announce that as of today (May 14, 2012) the Exalogic Elastic Cloud Software (EECS) version 2.0.1 has been made Generally Available. This release is the culmination of over two and a half years of engineering effort from an extended team spanning 18 product development organizations on three continents, and is the most powerful, sophisticated and comprehensive Exalogic Elastic Cloud Software release to date. With this new EECS release, Exalogic customers now have an ideal platform for not only high-performance and mission critical applications, but for standardization and consolidation of virtually all Oracle Fusion Middleware, Fusion Applications, Application Unlimited and Oracle GBU Applications. With the release of EECS 2.0.1, Exalogic is now capable of hosting multiple concurrent tenants, business applications and middleware deployments with fine-grained resource management, enterprise-grade security, unmatched manageability and extreme performance in a fully virtualized environment. The Exalogic Elastic Cloud Software 2.0.1 release brings important new technologies to the Exalogic platform: Exalogic is now capable of hosting multiple concurrent tenants, business applications and middleware deployments with fine-grained resource management, enterprise-grade security, unmatched manageabi! lity and extreme performance in a fully virtualized environment. Support for extremely high-performance x86 server virtualization via a highly optimized version of Oracle VM 3.x. A rich, fully integrated Infrastructure-as-a-Service management system called Exalogic Control which provides graphical, command line and Java interfaces that allows Cloud Users, or external systems, to create and manage users, virtual servers, virtual storage and virtual network resources. Webcast Series: Rethink Your Business Application Deployment Strategy Redefining the CRM and E-Commerce Experience with Oracle Exalogic, 7-Jun@10am PT & On-Demand: ‘The Road to a Cloud-Enabled, Infinitely Elastic Application Infrastructure’ (featuring Gartner Analysts). WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: ExaLogic Elastic Cloud,ExaLogic,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress,ExaLogic 2.0.1

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• Pasting from vim in terminal to Google Docs (Firefox + Vimperator) - need to understand

  - by LIttle Ancient Forest Kami

  I had some trouble with copy-pasting text from vim in terminal to Google Docs (aka Drive) document (hereafter GDd) in FF browser (with Vimperator). Note: I have a file opened in Vim 7.2 in terminal :version displays both +clipboard and +xterm-clipboard I'm on Ubuntu 10.04 LTS, so I don't think that's Unity-related I want to use Vim, not GVim, nor gedit... I'm avid fan of mouseless navigation, so solution with mouse was not what I wanted. I have the solution, but I need understanding. What I tried and where it gets me: Yanking whole file text via: ggvGy allows me to: paste it via mouse middle button, NOT with Ctrl+v or Shift+Insert here, in text area for entering question text in gedit but NOT in GDd where I want it pasted, even if I switch Vimperator to pass-through mode with Insert does NOT show in XClip after xclip -o From gedit, I can copy-paste the text into GDd (Vimperator's pass-through mode not required). :%! !xclip -i (or :first, last) reports whole file (all lines, to be precise) as filtered, though shell returns 1 `xclip -o' returns nothing (is empty) or returns previously copied value with 2. no surprise, but I can't paste at all not only to GDd but also to gedit or here setting clipboard (:set clipboard=unnamed) to unnamed doesn't help using "+y or "*y on whole file text actually does the trick So, the question (it's actually three, say "split" and I will): why middle mouse button pastes different things than Ctrl+v and how to know what will be pasted with each? why just yanking (without registers) works with mouse but not with keyboard / XClip? why didn't unnamed register help? After setting, it should make unnamed and * registers same?

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• Find Thousands of Oracle Jobs on oDesk

  - by Brandye Barrington

  We are happy to announce we have teamed up with oDesk, the world’s largest and fastest-growing online workplace, to bring thousands of job opportunities to the Oracle Certified community.  On oDesk, skilled independent professionals can tap into global demand for their skills by accessing hundreds of thousands of job opportunities around the world—more than 444,000 jobs were posted on oDesk in Q2 2012 alone.  And with the freedom to work whenever and wherever they like, on the projects they choose and at the rate they set, oDesk contractors are building their online reputations and taking control of their careers—oDesk data shows that contractors increase their rates by an average of 190% over three years. And with oDesk’s new Oracle Certified Group, contractors can set themselves apart by showcasing an Oracle Certified badge on their profile, giving them a competitive advantage when they apply to the thousands of open Oracle jobs on oDesk.  oDesk is free to join—as is the Oracle Certified Group—and guarantees payment for hourly work. With more than 480,000 businesses from around the world registered on the platform, professionals have a wide range of jobs to choose from, including those that require MySQL, Java, and many other types of Oracle skills. Learn more about Oracle job opportunities and join the Certified Group on oDesk here.

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• PASS: Total Registrations

  - by Bill Graziano

  At the Summit you’ll see PASS announce the total attendance and the “total registrations”.  The total registrations is the sum of the conference attendees and the pre-conference registrations.  A single person can be counted three times (conference plus two pre-cons) in the total registration count. When I was doing marketing for the Summit this drove me nuts.  I couldn’t figure out why anyone would use total registrations.  However, when I tried to stop reporting this number I got lots of pushback.  Apparently this is how conferences compare themselves to each other.  Vendors, sponsors and Microsoft all wanted to know our total registration number.  I was even asked why we weren’t doing more “things” that people could register for so that our number would be even larger.  This drove me nuts. I understand that many of you are very detail oriented.  I just want to make sure you understand what numbers you’re seeing when we include them in the keynote at the Summit.

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• Joomla: Cross site link boxes

  - by Dean Smith

  I am currently evaluating Joomla for use on the the rebuild of our corporate website. One of the features our designs have is spaces for what we've been calling widgets. These widgets include common ones for each page, contact us boxes, section navigation, that all seem pretty easy to implement. The other widgets we would us to highlight specific pages within the site relevant to the one you are on, and are therefore different for each article. We've called these link widgets and these are a pretty common site on many websites. I'm honestly at a bit of a loss as to how to do this with Joomla. From a CMS perspective I'd like to allow users to just select which three link widgets they want when editing the article and have some way of creating the widgets within the CMS as well. Editing the link widget would allow setting a title, a bit of text and selecting the page that it links to. Am I going to be able to do this with Joomla, and if I can roughly how to I go about it ?

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• Moving 2d camera in the y direction

  - by Alex

  I'm developing a simple game for the iphone and am struggling to work out the best way for the camera to follow the main character. The following picture hightlights the three main components: There are 3 components to this: Circle - the main character Green line - terrain Black background The terrain is simply made from an array of points (approx 20 points per screen width). The terrain is moved in the x direction relative to the black background in order to keep the circle in its position shown. The distance to move the terrain is simply: movex = circle.position.x - terrain.position.x with a constant to fix the circle at some distance from the left of the screen. I am struggling to determine the best way to position the terrain in the y plane keep the focus in the character. I want to move the terrain in the y direction smoothly and not fix it to the position of the circle, so the circle can move in the y plane. If I take the same approach as the x positioning, the character is fixed at a point on the screen and the terrain moves. I could sample some terrain points either side of the character and produce an average, but in my implementation this was not smooth. I thought another approach might be to create a camera 'line' that is a smooth version of the terrain line and make the camerea follow this, but I'm not sure if this is the optimum solution. Any advice is much appreciated!

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• Is it usual if my employer asks me to get MCP certificates for higher salary?

  - by Vimvq1987

  I just got a salary negotiation this morning (I passed three interviews last 3 weeks), and it was like a game. I was stubborn with my expectation, or that number, or I leave. OK, to be honest, it's not about money, but I, a not-very-experienced developer, want to see how much the employer pays me, and it was fun. And at last, my employer gave me this: "OK, * $, but with two conditions, first, you get your spoken skill improved (English is not my native), and second, you got MCPs before the end of the year". He asked me to get 3 MCP certificates. The company will buy any books that necessary to the exam, but I must read them at free time, take and pass the exams . If I not get them, my employer will not kick me out, but, salary discussion will be harder, for me. I accepted that offer, I thought it's good enough. But I wonder, is it usual? If you're an employer, have you ever given that offer to a candidate? If you're an employee, have you ever got, or will you accept an offer like that?

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• What are some good courses to take my programming to the next level?

  - by absentx

  I am in search of either some in person, or online training that could take my coding to the next level. I am looking to attack two specific areas: Javascript: While I have been getting by with javascript for three or four years, I still feel like it takes a back seat to my other programming. I use Jquery a lot but would prefer to be proficient in pure JS also. PHP: I feel pretty proficient at PHP but I know there is only room to improve. Here I am interested in something that can teach me the more advanced aspects of the language, improve my code writing and perhaps cover object oriented php in depth also. I have looked into Netcom's training courses before but I can't tell if there advanced webmaster professional would be a good fit or not. Seems kind of like a force fed course but I am interested in it because I am looking for something in the one to two week range that is targeted at what I am looking for. I have zero experience with any type of online courses in terms of programming. It appears lots are available, but I am not sure on the quality.

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• Modular Database Structures

  - by John D

  I have been examining the code base we use in work and I am worried about the size the packages have grown to. The actual code is modular, procedures have been broken down into small functional (and testable) parts. The issue I see is that we have 100 procedures in a single package - almost an entire domain model. I had thought of breaking these packages down - to create sub domains that are centered around the procedure relationships to other objects. Group a bunch of procedures that have 80% of their relationships to three tables etc. The end result would be a lot more packages, but the packages would be smaller and I feel the entire code base would be more readable - when procedures cross between two domain models it is less of a struggle to figure which package it belongs to. The problem I now have is what the actual benefit of all this would really be. I looked at the general advantages of modularity: 1. Re-usability 2. Asynchronous Development 3. Maintainability Yet when I consider our latest development, the procedures within the packages are already reusable. At this advanced stage we rarely require asynchronous development - and when it is required we simply ladder the stories across iterations. So I guess my question is if people know of reasons why you would break down classes rather than just the methods inside of classes? Right now I do believe there is an issue with these mega packages forming but the only benefit I can really pin down to break them down is readability - something that experience gained from working with them would solve.

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• NHibernate Pitfalls: Cascades

  - by Ricardo Peres

  This is part of a series of posts about NHibernate Pitfalls. See the entire collection here. For entities that have associations – one-to-one, one-to-many, many-to-one or many-to-many –, NHibernate needs to know what to do with their related entities, in three particular moments: when saving, updating or deleting. In particular, there are two possible behaviors: either ignore these related entities or cascade changes to them. NHibernate allows setting the cascade behavior for each association, and the default behavior is not to cascade (ignore). The possible cascade options are: None Ignore, this is the default Save-Update If the entity is being saved or updated, also save any related entities that are either not saved or have been modified and associate these related entities to the root entity. Generally safe Delete If the entity is being deleted, also delete the related entities. This is only useful for parent-child relations Delete-Orphan Identical to Delete, with the addition that if once related entity is removed from the association – orphaned –, also delete it. Also only for parent-child All Combination of Save-Update and Delete, usually that’s what we want (for parent-child relations, of course) All-Delete-Orphan Same as All plus delete any related entities who lose their relationship In summary, Save-Update is generally what you want in most cases. As for the Delete variations, they should only be used if the related entities depend on the root entity (parent-child), so that deleting the root entity and not their related entities would result in a constraint violation on the database.

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• Is there a canonical source supporting "all-surrogates"?

  - by user61852

  Background The "all-PK-must-be-surrogates" approach is not present in Codd's Relational Model or any SQL Standard (ANSI, ISO or other). Canonical books seems to elude this restrictions too. Oracle's own data dictionary scheme uses natural keys in some tables and surrogate keys in other tables. I mention this because these people must know a thing or two about RDBMS design. PPDM (Professional Petroleum Data Management Association) recommend the same canonical books do: Use surrogate keys as primary keys when: There are no natural or business keys Natural or business keys are bad ( change often ) The value of natural or business key is not known at the time of inserting record Multicolumn natural keys ( usually several FK ) exceed three columns, which makes joins too verbose. Also I have not found canonical source that says natural keys need to be immutable. All I find is that they need to be very estable, i.e need to be changed only in very rare ocassions, if ever. I mention PPDM because these people must know a thing or two about RDBMS design too. The origins of the "all-surrogates" approach seems to come from recommendations from some ORM frameworks. It's true that the approach allows for rapid database modeling by not having to do much business analysis, but at the expense of maintainability and readability of the SQL code. Much prevision is made for something that may or may not happen in the future ( the natural PK changed so we will have to use the RDBMS cascade update funtionality ) at the expense of day-to-day task like having to join more tables in every query and having to write code for importing data between databases, an otherwise very strightfoward procedure (due to the need to avoid PK colisions and having to create stage/equivalence tables beforehand ). Other argument is that indexes based on integers are faster, but that has to be supported with benchmarks. Obviously, long, varying varchars are not good for PK. But indexes based on short, fix-length varchar are almost as fast as integers. The questions - Is there any canonical source that supports the "all-PK-must-be-surrogates" approach ? - Has Codd's relational model been superceded by a newer relational model ?

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• How to convince a client to switch to a framework *now*; also examples of great, large-scale php applications.

  - by cbrandolino

  Hi everybody. I'm about to start working on a very ambitious project that, in my opinion, has some great potential for what concerns the basic concept and the implementation ideas (implementation as in how this ideas will be implemented, not as in programming). The state of the code right now is unluckily subpar. It's vanilla php, no framework, no separation between application and visualization logic. It's been done mostly by amateur students (I know great amateur/student programmers, don't get me wrong: this was not the case though). The clients are really great, and they know the system won't scale and needs a redesign. The problem is, they would like to launch a beta ASAP and then think of rebuilding. Since just the basic functionalities are present now, I suggested it would be a great idea if we (we're a three-people shop, all very proficient) ported that code to some framework (we like CodeIgniter) before launching. We would reasonably be able to do that in < 10 days. Problem is, they don't think php would be a valid long-term solution anyway, so they would prefer to just let it be and fix the bugs for now (there's quite a bit) and then directly switch to some ruby/python based system. Porting to CI now will make future improvements incredibly easier, the current code more secure, changing the style - still being discussed with the designers - a breeze (reminder: there are database calls in template files right now); the biggest obstacle is the lack of trust in php as a valid, scalable technology. So well, I need some examples of great php applications (apart from facebook) and some suggestions on how to try to convince them to port soon. Again, they're great people - it's not like they would like ruby cause it's so hot right now; they just don't trust php since us cool programmers like bashing it, I suppose, but I'm sure going on like this for even one more day would be a mistake. Also, we have some weight in the decision process.

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• Partner Webcast – Oracle Weblogic 12c for New Projects - 07 Nov 2013

  - by Thanos Terentes Printzios

  Fast-growing organizations need to stay agile in the face of changing customer, business or market requirements. Oracle WebLogic Server 12c is the industry's best application server platform that allows you to quickly develop and deploy reliable, secure, scalable and manageable enterprise Java EE applications.WebLogic Server Java EE applications are based on standardized, modular components. WebLogic Server provides a complete set of services for those modules and handles many details of application behavior automatically, without requiring programming. New project applications are created by Java programmers, Web designers, and application assemblers. Programmers and designers create modules that implement the business and presentation logic for the application. Application assemblers assemble the modules into applications that are ready to deploy on WebLogic Server. Build and run high-performance enterprise applications and services with Oracle WebLogic Server 12c, available in three editions to meet the needs of traditional and cloud IT environments. Join us, in this webcast, as we will show you how WebLogic Server 12c helps you building and deployingenterprise Java EE applications with support for new features for lowering cost of operations, improving performance, enhancing scalability. Agenda Oracle WebLogic Server Introduction Application Development on WebLogic Using Java EE Overview of the Application Deployment Process Monitoring Application Performance Q&A November 07th, 2013 -  9am UTC/11am EET Delivery FormatThis 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 For any questions please contact us at partner.imc-AT-beehiveonline.oracle-DOT-com Stay Connected Oracle Newsletters

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• Maximum 5 minute battery life with Ubuntu 11.10 on HP laptop

  - by JamesG

  I apologise if this question is too similar to the numerous others already asked, but it seems that my difference in battery life is significantly more noticeable than others that have been reported. I recently installed Ubuntu 11.10 on my HP Pavilion dv6 laptop (which I purchased brand new just under one year ago). When running Windows 7 on this laptop, I have been able to get up to two and a half to three hours of battery life with wireless disabled and when running only Microsoft Word. However, when running Ubuntu, I am unable to use the laptop if it is not plugged in. Upon unplugging the fully-charged machine from the power cord, if I have wireless enabled, I immediately receive a notification that the battery levels are critically low and that shutdown is imminent. Even if I replace the power plug, the laptop shuts down within thirty seconds. If I disable wireless capability, I am able to run the laptop for an absolute maximum of five minutes on battery powers before receiving the same message. I have tried running with Jupiter on Power Saver mode, but to no noticeable effect. Ignoring the fact that I can't use my laptop without being attached to a power source, I really do enjoy using Ubuntu, and hence would greatly appreciate any help that can be offered.

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• How to Reap Anticipated ROI in Large-Scale Capital Projects

  - by Sylvie MacKenzie, PMP

  Only a small fraction of companies in asset-intensive industries reliably achieve expected ROI for major capital projects 90 percent of the time, according to a new industry study. In addition, 12 percent of companies see expected ROIs in less than half of their capital projects. The problem: no matter how sophisticated and far-reaching the planning processes are, many organizations struggle to manage risks or reap the expected value from major capital investments. The data is part of the larger survey of companies in oil and gas, mining and metals, chemicals, and utilities industries. The results appear in Prepare for the Unexpected: Investment Planning in Asset-Intensive Industries, a comprehensive new report sponsored by Oracle and developed by the Economist Intelligence Unit. Analysts say the shortcomings in large-scale, long-duration capital-investments projects often stem from immature capital-planning processes. The poor decisions that result can lead to significant financial losses and disappointing project benefits, which are particularly harmful to organizations during economic downturns. The report highlights three other important findings. Teaming the right data and people doesn’t guarantee that ROI goals will be achieved. Despite involving cross-functional teams and looking at all the pertinent data, executives are still failing to identify risks and deliver bottom-line results on capital projects. Effective processes are the missing link. Project-planning processes are weakest when it comes to risk management and predicting costs and ROI. Organizations participating in the study said they fail to achieve expected ROI because they regularly experience unexpected events that derail schedules and inflate budgets. But executives believe that using more-robust risk management and project planning strategies will help avoid delays, improve ROI, and more accurately predict the long-term cost of initiatives. Planning for unexpected events is a key to success. External factors, such as changing market conditions and evolving government policies are difficult to forecast precisely, so organizations need to build flexibility into project plans to make it easier to adapt to the changes. The report outlines a series of steps executives can take to address these shortcomings and improve their capital-planning processes. Read the full report or take the benchmarking survey and find out how your organization compares.

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• Why should I use MSBuild instead of Visual Studio Solution files?

  - by Sid

  We're using TeamCity for continuous integration and it's building our releases via the solution file (.sln). I've used Makefiles in the past for various systems but never msbuild (which I've heard is sorta like Makefiles + XML mashup). I've seen many posts on how to use msbuild directly instead of the solution files but I don't see a very clear answer on why to do it. So, why should we bother migrating from solution files to an MSBuild 'makefile'? We do have a a couple of releases that differ by a #define (featurized builds) but for the most part everything works. The bigger concern is that now we'd have to maintain two systems when adding projects/source code. UPDATE: Can folks shed light on the lifecycle and interplay of the following three components? The Visual Studio .sln file The many project level .csproj files (which I understand an "sub" msbuild scripts) The custom msbuild script Is it safe to say that the .sln and .csproj are consumed/maintained as usual from within the Visual Studio IDE GUI while the custom msbuild script is hand-written and usually consumes the already existing individual .csproj "as-is"? That's one way I can see reduce overlap/duplicate in maintenance... Would appreciate some light on this from other folks' operational experience

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