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  • The ABC of Front End Web Development

    - by Geertjan
    And here it is, the long awaited "ABC" of front end web development, in which the items I never knew existed until I was looking to fill the gaps link off to the sites where more info can be found on them. A is for Android and AngularJS B is for Backbone.js and Bower C is for CSS and Cordova D is for Docker E is for Ember.js and Ext JS F is for Frisby.js G is for Grunt H is for HTML I is for Ionic and iPhone J is for JavaScript, Jasmine, and JSON K is for Knockout.js and Karma L is for LESS M is for Mocha N is for NetBeans and Node.js O is for "Oh no, my JS app is unmaintainable!" P is for PHP, Protractor, and PhoneGap Q is for Queen.js R is for Request.js S is for SASS, Selenium, and Sublime T is for TestFairy U is for Umbrella V is for Vaadin W is for WebStorm X is for XML Y is for Yeoman Z is for Zebra

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  • Googlebot fetches my pages very frequent, rel-nofollow, meta-noindex or robots.txt-disallow

    - by trante
    Googlebot fetches pages in my site very frequently. And this slowens my website. I don't want Googlebot to crawl too frequent. I decreased crawl rate from Google webmaster tools. But I'm supposing to use these three tools: Adding rel="nofollow" to my inner pages. So Googlebot won't crawl and index them. Adding meta tag "noindex" so Google will remove this page from index and won't get it again. Adding Disallow: /mySomeFolder/ to robots.txt and Googlebot won't crawl that pages. I'm planning to use these methods for my 56.000 pages, except the most important 6-7 pages. Which method would you prefer and what would be disadvantages or advantages ? Or won't it change my website speed etc..

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  • Why is there only one configuration management tool in the main repository?

    - by David
    How is it that Cfengine does not exist in the Ubuntu (10.04 LTS) Main Repository? I can't find a discussion of this anywhere (using Google). The only configuration management in Ubuntu Main seems to be Puppet. I looked for a wide variety of others as well - all from Wikipedia's list of configuration management tools - and none of them are present in Ubuntu main. I looked for bcfg2, opensymbolic, radmind, smartfrog, spacewalk, staf, synctool, chef - none are present. From my vantage point as a system administrator, I would have expected to find at least bcfg2, puppet, cfengine, and chef (as the most widely used tools). Why is cfengine (or chef and others) not included in Ubuntu main? Why is there only one configuration management tool in Ubuntu main? By the way - the reason this is important in the context of server administration is because Ubuntu main is fully supported by the Ubuntu team with updates and security updates; the other repositories are not.

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  • Running & Managing Concurrent Queries in SQL Developer

    - by thatjeffsmith
    We’ve all been there – you’ve managed to write a query that takes longer than a few seconds to execute. Tuning aside, sometimes it takes longer than you want for a query to run. So what’s a SQL Developer user to do? I say, keep going! While you’re waiting for your query to finish, there’s no reason why you can’t continue on with your work. If you need to execute something else in a worksheet, there’s no reason to launch a 2nd or 3rd copy of SQL Developer. Just open an un-shared worksheet. Now while you’ve got 1 or more queries running, you can easily get yourself into a situation where you’re not sure what’s running where. Or maybe you want to cancel a query or just check how long something’s been running. Just open the Task Progress Panel If a query or task in SQL Developer takes more than 3-5 seconds, it will appear in the Task Progress panel. You can then watch the throbbers go back and forth while you sip your coffee/soda/Red Bull. Run a query, spawn a new worksheet, run another query, watch them in the Task Progress panel. Kudos and thanks to @leight0nn for helping me get the title of this post right If you’re looking for help in managing and monitoring sessions in general, check out this post.

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  • Interactive Reporting with BI Publisher 11G

    - by kanichiro.nishida
    One of the new features that came out with BI Publisher 11G and made me really excited about is the Interactive Viewer, which allows you to interact with the data presented in the reports and gain more insights about the data. You can have as many Table, Chart, Pivot Table, Gauge components in a single report and all of them are linked together so that you can click on any data point on the components such as Chart, Pivot Table, Gauge, and that would refresh other components in the report to reflect the selection without refreshing the whole report or page. No longer you need to navigate to another report or open other reports to see related data or drill down to the detail data. It’s all there within a single report. Well, sounds cliché but really this is a typical case of ‘seeing is believing’, so instead of reading I would love you guys to take a look so I’ve recorded the following video. Please take a look !   The above video shows you the power of the BI Publisher Interactive Viewer with a real data from San Francisco Airport. The lists shown at the top or the left are one of the new features that we’ll be introducing in coming future very soon, but everything else is there with 11.1.1.3. So why not start today ? And please share your feedback with us!

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  • Troubleshooting EBS Discovery Issues - Part 2

    - by Kenneth E.
    Part 1 of “Troubleshooting EBS Discovery Issues”, which was posted on May 17th, focused on the diagnostics associated with the initial discovery of an EBS instances (e.g., Forms servers, APPL_TOPs, databases, etc.).Part 2 focuses on verifying parameters of the Change Management features, also called "Pack Diagnostics, specifically for Customization Manager, Patch Manager, Setup Manager, Automated Cloning, and User Monitoring.  As stated in the first post, there can be numerous reasons that Discovery fails - credentials, file-level permissions, patch levels - just to name a few.The Discovery Wizard can be accessed from the EBS homepage.  From the home page, click "Pack Diagnostics"Click "Create" to define the diagnostic processProvide the required inputs; Name, Module (i.e., Customization Manager, Patch Manager, Setup Manager, Automated Cloning, and User Monitoring), Show Details (typically "All"), and Category (typically check both Generic and User Specific).  Add the appropriate targets.Once the diagnostic process has completed, view the results.  Click on "Succeeded" or "Failed" in the Status column.Expand the entire tree and click on each "Succeeded/Failed" status to see the results of each test within that task.Sample output verifying o/s user name and required patches Additional sample output showing a failed testComplete descriptions of, as well as recommended corrective actions for, all of the diagnostic tests that are run in EM 12c is found in this spreadsheet.  Additional information can be found in the Application Management Pack User Guide.

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  • Showing schema.org aggregate rating in Google rich snippets

    - by nickh
    After adding schema.org microdata markup for reviews and aggregate ratings, I expected review and rating information to show up in rich snippets. Unfortunately, neither are being shown. Google's Structured Data Testing Tool finds the microdata, and there're no errors or warnings on the page. Any idea what's wrong with the microdata markup? Example 1: Live Page: http://www.shelflife.net/ljn-thundercats-series-3/bengali Google Test: http://www.google.com/webmasters/tools/richsnippets?q=http%3A%2F%2Fwww.shelflife.net%2Fljn-thundercats-series-3%2Fbengali Example 2: Live Page: http://www.shelflife.net/star-wars-mighty-muggs/asajj-ventress Google Test: http://www.google.com/webmasters/tools/richsnippets?q=http%3A%2F%2Fwww.shelflife.net%2Fstar-wars-mighty-muggs%2Fasajj-ventress

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  • Update/Insert With ADF Web Service Data Control

    - by shay.shmeltzer
    The Web service data control (WSDC) in ADF is a powerful feature that allows you to easily build a UI on top of WS interfaces exposed by other systems. However when you drag a WSDC to a page you usually get a set of output components where the data is shown. So how would you actually do an update operation on those values? The answer is that you need a call to another method in your WSDC that does the update - but what if you want to pass to it the actual values that you get from the get method you invoked before? Here is a demo showing how to do that: The two tricks that are shown here are: Changing the properties of items in the DC to be updateable - this gives you inputText fields instead of outputText fields. And passing the currentRow.dataProvider to the update method (and choosing the right iterator for this).

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  • Article about Sun ZFS Storage Appliances

    - by Owen Allen
    Sun ZFS Storage Appliances are versatile storage systems. Discovering and managing them in Ops Center, though, makes them even more versatile. If you discover a Sun ZFS Storage Appliance in Ops Center 12c, you can create iSCSI and Fibre Channel LUNS, and make the LUNs available to server pools and virtualization hosts as a storage library. Barbara Higgins has written an excellent article that walks you through the process of setting up a Sun ZFS Storage Appliance and discovering and managing it in Ops Center. If you're looking into ways to make a Sun ZFS Storage Appliance work for you, it's worth a look.

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  • JFXtras Project: More cool features for your JavaFX app

    - by terrencebarr
    JFXtras in an open source project that provides a bunch of interesting components and pieces to make your JavaFX application even more productive, engaging, and, yes, sexy. And saves you coding time along the way. Check out the new JFXtras Ensemble demo, which showcases in one fell swoop all the features and bits you can take advantage of. Also, bookmark Jim Weaver’s excellent blog to keep up with all things JavaFX and rich client. Cheers, – Terrence Filed under: Mobile & Embedded Tagged: JavaFX, JFXtras, Open Source

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  • QotD - Nicolas de Loof on AdoptOpenJDK

    - by $utils.escapeXML($entry.author)
    The AdoptOpenJDK program is an initiative to get as many Java users as possible to try the OpenJDK 8 preview builds, so that feedback is collected before JDK 8 is officially released. There are many ways to contribute to this program (as explained on the wiki), but the most basic one is to start testing your own project on the Java 8 platform. CloudBees can help you there, as we just made OpenJDK 8 (preview) available on DEV@cloud so that you can configure a build job to check project compatibility. We will upgrade the JDK for all recent preview builds until JDK 8 is finalNicolas de Loof, Support Engineer at Cloudbees in a blog post on AdoptOpenJDK.

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  • How to Secure a Data Role by Multiple Business Units

    - by Elie Wazen
    In this post we will see how a Role can be data secured by multiple Business Units (BUs).  Separate Data Roles are generally created for each BU if a corresponding data template generates roles on the basis of the BU dimension. The advantage of creating a policy with a rule that includes multiple BUs is that while mapping these roles in HCM Role Provisioning Rules, fewer number of entires need to be made. This could facilitate maintenance for enterprises with a large number of Business Units. Note: The example below applies as well if the securing entity is Inventory Organization. Let us take for example the case of a user provisioned with the "Accounts Payable Manager - Vision Operations" Data Role in Fusion Applications. This user will be able to access Invoices in Vision Operations but will not be able to see Invoices in Vision Germany. Figure 1. A User with a Data Role restricting them to Data from BU: Vision Operations With the role granted above, this is what the user will see when they attempt to select Business Units while searching for AP Invoices. Figure 2.The List Of Values of Business Units is limited to single one. This is the effect of the Data Role granted to that user as can be seen in Figure 1 In order to create a data role that secures by multiple BUs,  we need to start by creating a condition that groups those Business Units we want to include in that data role. This is accomplished by creating a new condition against the BU View .  That Condition will later be used to create a data policy for our newly created Role.  The BU View is a Database resource and  is accessed from APM as seen in the search below Figure 3.Viewing a Database Resource in APM The next step is create a new condition,  in which we define a sql predicate that includes 2 BUs ( The ids below refer to Vision Operations and Vision Germany).  At this point we have simply created a standalone condition.  We have not used this condition yet, and security is therefore not affected. Figure 4. Custom Role that inherits the Purchase Order Overview Duty We are now ready to create our Data Policy.  in APM, we search for our newly Created Role and Navigate to “Find Global Policies”.  we query the Role we want to secure and navigate to view its global policies. Figure 5. The Job Role we plan on securing We can see that the role was not defined with a Data Policy . So will create one that uses the condition we created earlier.   Figure 6. Creating a New Data Policy In the General Information tab, we have to specify the DB Resource that the Security Policy applies to:  In our case this is the BU View Figure 7. Data Policy Definition - Selection of the DB Resource we will secure by In the Rules Tab, we  make the rule applicable to multiple values of the DB Resource we selected in the previous tab.  This is where we associate the condition we created against the BU view to this data policy by entering the Condition name in the Condition field Figure 8. Data Policy Rule The last step of Defining the Data Policy, consists of  explicitly selecting  the Actions that are goverened by this Data Policy.  In this case for example we select the Actions displayed below in the right pane. Once the record is saved , we are ready to use our newly secured Data Role. Figure 9. Data Policy Actions We can now see a new Data Policy associated with our Role.  Figure 10. Role is now secured by a Data Policy We now Assign that new Role to the User.  Of course this does not have to be done in OIM and can be done using a Provisioning Rule in HCM. Figure 11. Role assigned to the User who previously was granted the Vision Ops secured role. Once that user accesses the Invoices Workarea this is what they see: In the image below the LOV of Business Unit returns the two values defined in our data policy namely: Vision Operations and Vision Germany Figure 12. The List Of Values of Business Units now includes the two we included in our data policy. This is the effect of the data role granted to that user as can be seen in Figure 11

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  • Recommended Approach to Secure your ADFdi Spreadsheets

    - by juan.ruiz
    ADF desktop integration leverages ADF security to provide access to published spreadsheets within your application. In this article I discussed a good security practice for your existing as well as any new spreadsheets that you create. ADF Desktop integration uses the adfdiRemoteServlet to process and send request back and fort from and to the ADFmodel which is allocated in the Java EE container where our application is deployed. In other words this is one of the entry points to the application server. Having said that, we need to make sure that container-based security is provided to avoid vulnerabilities. So what is needed? For existing an new ADFdi applications you need to create a Security Constraint for the ADFdi servlet on the Web.xml file of our application. Fortunately JDeveloper 11g provides a nice visual editor to do this. Open the web.xml file and go to the security category Add a new Web Resource Collection give it a meaningful name and on the URL Pattern add /adfdiRemoteServlet click on the Authorization tab and make sure the valid-users  role is selected for authorization and Voila! your application now is more secured.

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  • European e-government Action Plan all about interoperability

    - by trond-arne.undheim
    Yesterday, the European Commission released its European eGovernment Action Plan for 2011-2015. The plan includes measures on providing deeper user empowerment, enhancing the Internal Market, more efficiency and effectiveness of public administrations, and putting in place pre-conditions for developing e-government. The Good - Defines interoperability very clearly. Calls interoperability "a pre-condition for cross-border eGovernment services" (a very strong formulation) and says interoperability "is supported by open specifications". - Uses the terminology "open specifications" which, let's face it, is pretty close to "open standards" which is the term the rest of the world would use. - Confirms that Member States are fully committed to the political priorities of the Malmö Declaration (which was all about open standards) including the very strong action: by 2013: All Member States will have incorporated the political priorities of the Malmö Declaration in their national strategies. Such tight Action Plan integration between Commission and Member State priorities has seldom been attempted before, particularly not in a field where European legal competence is virtually non-existent. What we see now, is the subtle force of soft power rather than the rough force of regulation. In this case, it is the Member States who want Europe to take the lead. Very refreshing! Some quotes that show the commitment to interoperability and open specifications: "The emergence of innovative technologies such as "service-oriented architectures" (SOA), or "clouds" of services,  together with more open specifications which allow for greater sharing, re-use and interoperability reinforce the ability of ICT to play a key role in this quest for effficiency in the public sector." (p.4) "Interoperability is supported through open specifications" (p.13) 2.4.1. Open Specifications and Interoperability (p.13 has a whole section dedicated to this important topic. Open specifications and interoperability are nearly 100% interrelated): "Interoperability is the ability of systems and machines to exchange, process and correctly interpret information. It is more than just a technical challenge, as it also involves legal, organisational and semantic aspects of handling  data" (p.13) "standards and  open platforms offer opportunities for more cost-effective use of resources and delivery of services" (p.13). The Bad Shies away from defining open standards, or even open specifications, the EU's preferred term for the key enabler of interoperability. Verdict 90/100, a very respectable score.

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  • Redehost Transforms Cloud & Hosting Services with MySQL Enterprise Edition

    - by Mat Keep
    RedeHost are one of Brazil's largest cloud computing and web hosting providers, with more than 60,000 customers and 52,000 web sites running on its infrastructure. As the company grew, Redehost needed to automate operations, such as system monitoring, making the operations team more proactive in solving problems. Redehost also sought to improve server uptime, robustness, and availability, especially during backup windows, when performance would often dip. To address the needs of the business, Redehost migrated from the community edition of MySQL to MySQL Enterprise Edition, which has delivered a host of benefits: - Pro-active database management and monitoring using MySQL Enterprise Monitor, enabling Redehost to fulfil customer SLAs. Using the Query Analyzer, Redehost were able to more rapidly identify slow queries, improving customer support - Quadrupled backup speed with MySQL Enterprise Backup, leading to faster data recovery and improved system availability - Reduced DBA overhead by 50% due to the improved support capabilities offered by MySQL Enterprise Edition. - Enabled infrastructure consolidation, avoiding unnecessary energy costs and premature hardware acquisition You can learn more from the full Redehost Case Study Also, take a look at the recently updated MySQL in the Cloud whitepaper for the latest developments that are making it even simpler and more efficient to develop and deploy new services with MySQL in the cloud

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  • Using Asset Groups

    - by Owen Allen
    I got a question about putting assets in groups: "I'm planning on installing some agents manually on existing systems, and I want to have them put in a specific asset group once they're discovered. I don't see any way to tell the install script to put the asset in a group. How can I add the assets to a group, either through the UI or the CLI?" There are a few ways. In the CLI, you can use groups mode, and use this command to add an asset to a group: attach -n| --gear <asset name> -g| --group <group> You can also use -U| --uuid <UUID> to specify the asset if you have multiple assets with the same name. In the UI, you have a couple of options. You can select an asset and click Add Asset to Group to add it to a group you select. Alternatively, if you're trying to make a group for assets with a specific characteristic, you can specify rules that will automatically add assets to a group based on that characteristic.

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  • Egy konferencia marg&oacute;j&aacute;ra

    - by peter.nagy
    Nem akarok provokátornak tunni, de lenne egy-két észrevételem az amúgy jól sikerült Open Source 2011 konferencia kapcsán. Persze a mi rendezvényeinkre is lehet panasz, amit szívesen is veszünk, hogy tanuljunk belole. Szóval nem sikerült az elektronikus regisztráció, pedig még fel is hívtak elotte, meg minden. Ennek ellenére a helyszíni listában mégsem voltam benne. Persze gyorsan megoldották, de azért mégis egy informatikai konferenciáról van szó. Ha már open source, akkor tényleg olyan nehéz lett volna Linuxos gépeket, odahozni OpenOffice (vagy LibreOffice, vagy akármi) telepítéssel. Volt is minden eloadásváltásnál megjegyzés. Azt már nem is említem, hogy persze a néhány kivételtol eltekintve a legtöbben ppt hoztak. Persze egy részük készülhetett OpenOffice-ban is. Mondjuk erre azért fogadnék. Persze volt aki nem ppt-ben hozta és még fel is hívta rá a figyelmet, hogy bezzeg o nem a Microsoft eszközeivel ad elo. Helyette azért egy másik fizetossel sikerült elmondani, hogy milyen jó, hogy nem kerül semmibe az open source. Ami amúgy nagyon jó prezentációs alkalmazás. (Jutalom nélkül, mi lehetett az? Válaszokat ide várom a blogra.) A tartalom, mint mondtam érdekes volt. Persze lenne min vitatkozni, de ezt esetleg majd a konkrét téma kapcsán. Idén nem vettünk részt eloadóként, de szerintem jövore ez már változhat. Az esti program is nagyon jó volt, különösen Soma buvész lenyugözo trükkjei.

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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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  • iCal CalDAV multiple alarm notification

    - by user13332755
    In case you work with Apple iCal CalDAV Client you might noticed an issue with several alarm notification was send / received. So Alice add Calendar of Mike in iCal, Mike created an event with email alarm notification for Tom. Guess what, Tom will receive an email alarm notification from Mike and Alice. So whenever you add Calendars which are not your own Calendar in iCal you should use the Option Ignore Alarms

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  • Getting Started with MySQL Cluster, Hands-on Lab, Next Saturday, MySQL Connect

    - by user13819847
    Hi!I'm speaking at MySQL Connect next Saturday, Sep. 29. My Session is a hands-on lab (HOL) on MySQL Cluster.If you are interested in familiarize a bit with MySQL Cluster this is definitely a session for you. I will start by briefly introducing MySQL Cluster and its architecture. Then I will guide you through the needed steps to install a local MySQL Cluster, connect to it (using the command line), monitor its logs, and safe shutdown it.We will hence have a chance to see which are the most common commands using in MySQL Cluster administration (e.g. Cluster backup) as well as the most common operations (e.g. online datanode add). Cluster's users and customers have the flexibility to choose whether they prefer to use a SQL or NoSQL approach to connect to MySQL Cluster, so, during the last part of the HOL, we will see how to connect to MySQL Cluster using the NoSQL NDB API. If there is enough time at the end, we will also compile and execute some simple Java programs that make use of Connector J to connect to the SQL Nodes of our Cluster. I hope this HOL will be of your interest! Below are some details if you decide to attend:When:   Saturday Sep. 29, 4 pmWhere: Hilton San Francisco - Plaza Room AIf you are interested in other MySQL Cluster sessions, you will find the info you need in this post. The full program of the MySQL Connect Conference is here, and if you are not registered yet, remember that you can still save US $300 over the on-site fee – Register Now! See you at MySQL Connect!

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