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• Why is DAVExplorer not connecting?

  - by C.W.Holeman II

  DAVExplorer is not connecting. Connecting to a WebDAV Server states: Once you have entered a location URL, and (if necessary) your login name and password, DAV Explorer will connect to the remote WebDAV server, and request a listing of the resources there. A hierarchical view of the sub-collections will be displayed Invoke Apache Jackrabbit $ java -jar jackrabbit-standalone-2.0.0.jar --port 8200 Welcome to Apache Jackrabbit! ------------------------------- Using repository directory jackrabbit Writing log messages to jackrabbit/log Starting the server... Apache Jackrabbit is now running at http://localhost:8200/ Use DAVExplorer $ java -jar DAVExplorer.jar Then connect to localhost:8200/repository/default/ which pops up: Login ===== Login name: [admin] Password: [admin] <OK> The pop up closes then nothing changes. Using cadaver confirms Jackrabbit is working: $ cadaver http://localhost:8200/repository/default/ Authentication required for Jackrabbit Webdav Server on server `localhost': Username: admin Password: dav:/repository/default/> ls Listing collection `/repository/default/': succeeded. Coll: com 0 Mar 13 11:07 Coll: it 0 Mar 13 11:07 Coll: net 0 Mar 13 11:07 Coll: org 0 Mar 13 11:07 Coll: za 0 Mar 13 11:07

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• Tips for switching jobs and moving into web based programming?

  - by JerryC

  I graduated in 2006 with a computer science degree and got solid grades (3.5 overall 3.8 in my major) For the past 4.5 years I've been working as a Software Engineer doing primarily rich client development. Most of my experience is with Java, Swing and C++. I've done a lot of network programming and I have acquired some skill working & debugging in distributed environments. I would like to switch jobs and move into a role where I can get exposure to some new technologies and frameworks. I would like to move into a more web development role but I find my lack of web development experience is hurting me. 90% of the jobs I see advertised are looking for one of two skill sets: 1) Stereotypical server side Java web developer. Experience with Spring, Hibernate, J2EE, etc. 2) Stereotypical front end web developer. Experience with Javascript, jQuery, HTML5, GWT, CSS, etc I find most of these companies are looking really specifically for this experience and they are not willing to take on good programmers/ CS fundamental guys who lack experience with this stuff. I would love to get a job doing stuff like this, but have my skills become out of date and unmarketable? Any opinions on ways to sell myself to help get a new position?

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• Video capture Performance

  - by volting

  I have noticed high CPU utilization in a number of applications (except mplayer) which read from the embedded webcam on my laptop. Bizarrely CPU utilization varies proportionately to the level of illumination present. I know that that high CPU usage has nothing to do with rendering the video, as I have written a simple app using the OpenCV library to simply grab frames from the webcam, and cpu usage is still high. I think that mplayer might be using my GPU (and the other apps aren't), but since its not an issue with rendering, I dont think this explains anything. Cheese Low light --- ~12% CPU Bright Light ---- ~63% CPU Camorama Low light --- ~7% CPU Bright Light ---- ~30% CPU Opencv C++ library, (display in a single highgui window) Low light --- ~13% CPU Bright Light ---- ~40% CPU (same test on windows 7, 4-9%) Mplayer No problem, 1-2% regardless of light levels Note: If all I want't to do is capture a feed from my webcam I would use mplayer and forget about it, but I'm developing an application which uses the OpenCV to capture a video feed among other things, performance is important.

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• links for 2011-02-14

  - by Bob Rhubart

  Glenn Fawcett: Solaris Eye for the Linux Guy, or how I learned to stop worrying about Linux and Love Solaris (Part 1) Glenn says: "This entry goes out to my Oracle techie friends that have been in the Linux camp for sometime now and are suddenly finding themselves needing to know more about Solaris… hmmmm… I wonder if this has anything to do with Solaris now being an available option with Exadata?"  (tags: linux solaris oracle) Enterprise Software Development with Java: High Performance JPA with GlassFish and Coherence - Part 2 Oracle ACE Director Markus Eisele describes "the steps you have to take to configure a JPA backed Cache with Coherence and how you could use it from within GlassFish as a high performance data store." (tags: oracle otn oracleace java glassfish coherence) TOGAF a Registered Trademark and Surpasses 15k Certifications EA Blogs Mike Walker relays news on the TOGAF standard. (tags: entarch togaf) Weblogic or wait? | Capping IT Off | Capgemini "So when would you move over to the new Oracle Technology?" asks Arjan Kramer. " Well, as always there can be several reasons..." (tags: oracle capgemini weblogic) Random Monday Thoughs (Art of SOA Governance) "Governance is what insurance is to new cars, be it to SOA, IT transformations and software development. Governance is a insurance policy against risk of failure." - Terry Goldman (tags: oracle otn soa soagovernance)

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• ArchBeat Link-o-Rama Top 20 for March 18-24, 2012

  - by Bob Rhubart

  The top-twenty most-clicked links as shared via my social networks for the week of March 18-24, 2012. Oracle's ZFS Storage Appliance Simulator | Steen Schmidt Oracle Linux Online Forum - 4 sessions, 9 speakers + live chat March 27 OWSM vs. OEG - When to use which component - 11g | Prakash Yamuna Northeast Ohio Oracle Users Group 2 Day Seminar - May 14-15 - Cleveland, OH SOA! SOA! SOA!; OSB 11g Recipes and Author Interviews Webcast: Oracle Business Intelligence Mobile - March 27 - 10am PT / 1pm ET Oracle Hardware Systems: The Extreme Performance Tour - Dates and Locations Worldwide Oracle Cloud Conference: dates and locations worldwide Mismatch: Developer skills and customer demands | Floyd Teter OTN Virtual Developer Day - Java (APAC - in English) - March 27 Webcast Q&A: Demystifying External Authorization 2 New Cloud Computing resources added to free IT Strategies from Oracle library Encapsulating OIM API’s in a Web Service for OIM Custom SOA Composites | Alex Lopez Webcast: Simplify Oracle RAC Deployment with Oracle VM SOA gets mobilized; mobile gets SOA-ized: survey | Joe McKendrick Integrating with Oracle Fusion Applications: Discovering Integration Artifacts | Rajesh Raheja Oracle Access Manager 11g - useful links | Dmitry Nefedkin Anil Gaur on Cloud Computing Support in Java EE 7 Enterprise app shops announcements are everywhere | Andy Mulholland The extraordinary software development manager | Seth Godin Thought for the Day "Every large system that works started as a small system that worked. " — Anonymous

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• Which is better jplayer or jwplayer?

  - by aoi

  I need to make a video slideshow( slides to contain embedded video players and must play mp4 files), and I am kind of confused what would be the best free solution I can use? jplayer and jwplayer both seem good, but I can't find any comparisons between them, so I want some expert opinions and user experiences on these two. Also if there are any other free and open source solutions you can recommend, i am all ears ;) My requirements are: The player must be html5 with fallback to flash. Should support mp4 files as well as flv. Should also have the ability to double as an audio player(mp3) along with video capabilities. Should be lightweight and customizable easily in terms of looks.

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• Would a model like this translate well to a document or graph database?

  - by Eric

  I'm trying to understand what types of models that I have traditionally persisted relationally would translate well to some kind of NoSQL database. Suppose I have a model with the following relationships: Product 1-----0..N Order Customer 1-----0..N Order And suppose I need to frequently query things like All Orders, All Products, All Customers, All Orders for Given Customer, All Orders for Given Product. My feeling is that this kind of model would not denormalize cleanly - If I had Product and Customer documents with embedded Orders, both documents would have duplicate orders. So I think I'd need separate documents for all three entities. Does a characteristic like this typically indicate that a document database is not well suited for a given model? Generally speaking, would a document database perform as well as a relational database in this kind of situation? I know very little about graph databases, but I understand that a graph database handles relationships more performantly than a document database - would a graph database be suited for this kind of model?

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• Advantages of Hudson and Sonar over manual process or homegrown scripts.

  - by Tom G

  My coworker and I recently got into a debate over a proposed plan at our workplace. We've more or less finished transitioning our Java codebase into one managed and built with Maven. Now, I'd like for us to integrate with Hudson and Sonar or something similar. My reasons for this are that it'll provide a 'zero-click' build step to provide testers with new experimental builds, that it will let us deploy applications to a server more easily, that tools such as Sonar will provide us with well-needed metrics on code coverage, Javadoc, package dependencies and the like. He thinks that the overhead of getting up to speed with two new frameworks is unacceptable, and that we should simply double down on documentation and create our own scripts for deployment. Since we plan on some aggressive rewrites to pay down the technical debt previous developers incurred (gratuitous use of Java's Serializable interface as a file storage mechanism that has predictably bit us in the ass) he argues that we can document as we go, and that we'll end up changing a large swath of code in the process anyways. I contend that having accurate metrics that Sonar (or fill in your favorite similar tool) provide gives us a good place to start for any refactoring efforts, not to mention general maintenance -- after all, knowing which classes are the most poorly documented, even if it's just a starting point, is better than seat-of-the-pants guessing. Am I wrong, and trying to introduce more overhead than we really need? Some more background: an alumni of our company is working at a Navy research lab now and suggested these two tools in particular as one they've had great success with using. My coworker and I have also had our share of friendly disagreements before -- he's more of the "CLI for all, compiles Gentoo in his spare time and uses Git" and I'm more of a "Give me an intuitive GUI, plays with XNA and is fine with SVN" type, so there's definitely some element of culture clash here.

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• Performance of concurrent software on multicore processors

  - by Giorgio

  Recently I have often read that, since the trend is to build processors with multiple cores, it will be increasingly important to have programming languages that support concurrent programming in order to better exploit the parallelism offered by these processors. In this respect, certain programming paradigms or models are considered well-suited for writing robust concurrent software: Functional programming languages, e.g. Haskell, Scala, etc. The actor model: Erlang, but also available for Scala / Java (Akka), C++ (Theron, Casablanca, ...), and other programming languages. My questions: What is the state of the art regarding the development of concurrent applications (e.g. using multi-threading) using the above languages / models? Is this area still being explored or are there well-established practices already? Will it be more complex to program applications with a higher level of concurrency, or is it just a matter of learning new paradigms and practices? How does the performance of highly concurrent software compare to the performance of more traditional software when executed on multiple core processors? For example, has anyone implemented a desktop application using C++ / Theron, or Java / Akka? Was there a boost in performance on a multiple core processor due to higher parallelism?

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• Gumblar Attack

  Gumblar appears to be a combination of exploit scripts and malware. The scripts are embedded in .html, .js and .php files using obfuscated Javascript. They load malware content from Third Party sites without the user’s knowledge, while also stealing FTP credentials from the victim’s computer, which then allows it to spread and infect additional sites. Therefore, when someone visits such an infected site they get infected; if they have FTP credentials for a website on their machine then those sites get infected too. This explains the exponential growth of the exploit in such a short space of time.

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• Windows CE support forums

  - by Valter Minute

  As you may already know, microsoft is moving its communities to a new platform, based on web forums. The “old” USENET newsgroups are going to be replaced by web forums organized by categories. One for low-level platform development (for the guys working with Platform Builder), another one for native application development (for people writing their real-time applications in C/C++ or people using Silverlight for Windows Embedded) and, last but not least, a forum dedicated to managed application development (for people that are quickly developing their applications with the .NET Compact Framework). You can find the new forums here: http://social.msdn.microsoft.com/Forums/en-US/category/windowsembeddedcompact Read the “welcome” message to choose the best forum for your question and never forget that to have a good answer you should ask your question in a good way. Here you can find some suggestions about how you can ask questions (in newsgroup or forums): http://guruce.com/blogpost/howtoaskquestionsonnewsgroups (Thanks to Michel Verhagen for the article)

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• Die individuelle Lizenz zum Erfolg

  - by A&C Redaktion

  Wer will schon mit anderen über einen Kamm geschoren werden? All unsere Partner sind auf sehr unterschiedliche Bereiche spezialisiert und arbeiten mit einem breiten Spektrum an Kunden, die wiederum eine Vielzahl besonderer Bedürfnisse mitbringen. Dieser Vielfalt entsprechend, bietet Oracle ein ausdifferenziertes Lizenzierungsmodell. Speziell für die unabhängigen Softwarepartner (ISVs) erläutert Senior Channel Manager Sven Jürgens im Gespräch mit Holger Pölzl, welche Form der Lizenzierung zu welchem Vorhaben passt. Neben der klassischen Full Use Lizenz gibt es beispielsweise noch deutlich günstigere Arten, von Application Specific Full Use (ASFU) oder Embedded Software Licensing (ESL) bis hin zu SAAS- oder Hosting-Angeboten. Welches Modell das richtige ist, entscheiden die beiden am liebsten im direkten Gespräch mit dem Partner. Kontaktieren Sie uns: Sven Jürgens und Holger Pölzl.

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• Gotcha when using JavaScript in ADF Regions

  - by Frank Nimphius

  You use the ADF Faces af:resource tag to add or reference JavaScript on a page. However, adding the af:resource tag to a page fragment my not produce the desired result if the script is added as shown below <?xml version='1.0' encoding='UTF-8'?> <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich"> <af:resource type="javascript">   function yourMethod(evt){ ... } </af:resource> Adding scripts to a page fragment like this will see the script added for the first page fragment loaded by an ADF region but not for any subsequent fragment navigated to within the context of task flow navigation. The cause of this problem is caching as the af:resource tag is a JSP element and not a lazy loaded JSF component, which makes it a candidate for caching. To solve the problem, move the af:resource tag into a container component like af:panelFormLayout so the script is added when the component is instantiated and added to the page.  <?xml version='1.0' encoding='UTF-8'?> <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich"> <af:panelFormLayout> <af:resource type="javascript">   function yourMethod(evt){ ... } </af:resource> </af:panelFormLayout> Magically this then works and prevents browser caching of the script when using page fragments.

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• Android&ndash;Finding your SDK debug certificate MD5 fingerprint using Keytool

  - by Bill Osuch

  I recently upgraded to a new development machine, which means the certificate used to sign my applications during debug changed. Under most circumstances you’ll never notice a difference, but if you’re developing apps using Google’s Maps API you’ll find that your old API key no longer works with the new certificate fingerprint. Google's instructions walk you through retrieving the MD5 fingerprint of your SDK debug certificate - the certificate that you’re probably signing your apps with before publishing, but it doesn't talk much about the Keytool command. The thing to remember is that Keytool is part of Java, not the Android SDK, so you'll never find it searching through your Android and Eclipse directories. Mine is located in C:\Program Files\Java\jdk1.7.0_02\bin so you should find yours somewhere similar. From a command prompt, navigate to this directory and type: keytool -v -list -keystore "C:/Documents and Settings/<user name>/.android/debug.keystore" That’s assuming the path to your debug certificate is in the typical location. If this doesn’t work, you can find out where it’s located in Eclipse by clicking Window –> Preferences –> Android –> Build. There's no need to use the additional commands shown on Google's page. You'll be prompted for a password, just hit enter. The last line shown, Certificate fingerprint, is the key you'll give Google to generate your new Maps API key. Technorati Tags: Android Mapping

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• What should I learn that I missed by not going to school?

  - by BinaryMuse

  I'm a software engineer at a local university, and I feel I'm able to competently do my job, but recently I've been interested in "filling in" the gaps in my knowledge. I suspect I would have learned some of this in school; for example, I don't have a lot of knowledge of sorting algorithms (something I feel is pretty common in college). So, what knowledge am I likely missing by not going to college that I could study on my own? Bonus points for listing resources that might put me on the right track! Some background: I've programmed in PHP, Java, and Ruby (more seriously in Java and Ruby than PHP); I have some experience with C/C++, though my workload doesn't really lend itself to those languages; I work mostly (recently) with the web, using frameworks such as CakePHP and Rails. I'm familiar with SQL (though probably not with some of the theory). Note: The university I work for has no technical classes, so taking courses on the university's dime is a great idea but not possible for me. :)

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• JDK 7 Feature Complete Milestone Reached

  - by Henrik Ståhl

  The JDK 7 project has reached Feature Complete (FC). This means that development and QA have finished all planned feature and test development work in the release and are moving the focus to testing and bug fixing on all supported JDK 7 platforms. This is a major step towards JDK 7 General Availability (GA) and implies that we are tracking close to the plan published on openjdk.java.net. (The original plan was FC on 12/16. We hit this less than a week late, but verifying that everything was done in time took a couple of weeks due to the intervening holidays.) The definition of the FC milestone allows for exceptions to be integrated later. There are very few such exceptions in the project, the most prominent being updated JAXP/JAXB/JAX-WS and integration of the enhanced JMX agent from JRockit. Our project management does not expect the exceptions to have any negative impact on the release plan. The project may still be delayed if the Expert Groups for the JSRs included in Java SE 7 (203, 292, 334, 336) decide to introduce changes which cannot be accomodated within the existing schedule. Apart from that caveat, Oracle remains confident with the published plan.

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• links for 2011-02-04

  - by Bob Rhubart

  Oracle WebCenter Suite - Giving Users a Modern Experience: Webcast Q&A (Oracle Enterprise 2.0 Blog) Kellsey Ruppel share a summary of the viewer Q&A from the recent Oracle WebCenter Suite webcast. (tags: oracle otn enterprise2.0 webcenter) Oracle Fusion Middleware Security: Oracle Access Manager 11g Academy: The Policy Model (Part 1) Brian Eidelman kicks off a series of posts covering Oracle Access Manager. (tags: oracle otn fusionmiddleware security) The Tom Kyte Blog: A short podcast... Oracle senior technical architect Tom Kyte shares information on a series of upcoming live, in-person events in which he will participate. (tags: oracle otn ioug) Oracle and AIIM - Putting Enterprise 2.0 to Work (Oracle Enterprise 2.0 Blog) Brian Dirking shares a recap of the recent online Enterprise 2.o presentation by Andy MacMillan (Oracle) and Doug Miles (AIIM). (tags: oracle otn enterprise2.0) Arun Gupta: WebLogic Developer/Production Web Profile, Full Java EE 6 Platform - Chat Transcript and Slides from OTN Virtual Developer Day Arun Gupta shares chat transcripts and more from the recent OTN Virtual Developer Day focused on WebLogic. . (tags: weblogic java) Andrejus Baranovskis's Blog: How to Install Oracle ECM 11g PS3 - Domain Configuration Hint Concise instructions from Oracle ACE Director Andrejus Baranovski. (tags: oracle otn oracleace enterprise2.0 weblogic) Oracle BI EE 11g & Oracle ADF - Part 1 - Understanding Security Integration Rittman Mead's Venkatakrishnan J explores "how much Oracle ADF or the Oracle Fusion Middleware has influenced most of the features in BI EE 11g." (tags: oracle oracleace businessintelligence obiee) Gone With the Wind: Where Have All the Composites Gone? SOA author Antony Reynolds solves a mystery. (tags: oracle otn soa) Playing with Oracle 11gR2, OEL 5.6 and VirtualBox 4.0.2 (1st Part) "This installation should never be used for Production or Development purposes. This installation was created for educational purpose only, and is extremely helpful to learn and understand how Oracle works if you do not have access to a traditional hardware resource." - Oracle ACE Director Francisco Munoz Alvarez (tags: oracle otn virtualbox virtualization)

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• Is it possible to use Google Analytics to track file downloads?

  - by Eric Falsken

  It's always bothered me that Google Analytics (and similar embedded web traffic monitoring services) can only see a reflection of the traffic going to my server and can only see page visits since it depends on the browser executing a Javascript snippet. If I want to track real downloads of a software package (ZIP file), there's no way Google Analytics can possibly tell me that because its javascript can't be attached to a ZIP file. Is there a way I can upload my log files to Google so that the pointy-haired boss can see downloads of our ZIP/PDF/BIN files and not just visits to the download page?

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• Architectural Composition Languages

  - by C. Lawrence Wenham

  Recently stumbled upon this paper (PDF) talking about ACLs, or Architectural Composition Languages. They're a fusion of two earlier lines of research: Architectural Definition Languages (such as UML) and Object Composition Languages (such as XAML, WWF, or scripting languages). The goal of an ACL is to have a high-level description of a program's architecture which can also be compiled into a runnable program. The high-level description assists automated analysis, while the 'executability' means changes can be tested immediately. You would still author the components of the program in a conventional programming language (C, Java, Python, etc), but they would be composed into a complete program by the ACL. One of the expected benefits is that a program can be ported to a different platform by swapping in "similar but different" components. I've been hankering for something like this for a long time (see this answer I gave on a StackOverflow question a few years ago). The paper mentions that the researchers were working on a language called ACL/1 that initially targeted Java, but would be ported to support .Net as well. However, I can't find any more mention of ACL/1 anywhere. Has there been any more work done on this? Are there any other implementations of the ACL concept that are available for use or experimentation?

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• AT&T Application Resource Analyzer in NetBeans IDE

  - by Geertjan

  Here at Øredev in Malmö I met Doug Sillars who does developer outreach for the AT&T Application Resource Optimizer. In this YouTube clip you see Doug explaining how it works and what it can do for optimizing performance of mobile applications. There's a free and open source Android app on GitHub that you can install on Android to collect data and then there's a Java Swing application for analyzing the results. And here's what that application looks like as a plugin in NetBeans IDE, click to enlarge the image, which shows the Android sources of the Data Collector, as well as the Data Analyzer ready to be used to collect data: Since the ARO Data Analyzer is written in Java and has JPanels defining its UI layer, integrating the user interface wasn't hard. Now working on the Actions, so there'll be a new ARO menu with start/stop data collecting menu items, etc, reusing as much of the original code as possible. That part is actually already working. I started up an Android emulator, then started the data collection process from the IDE. Now need to include the Actions for importing the data into the analyzer, together with a few other related features. A pretty cool feature in ARO is video capture, so that a movie can be made by ARO of all the steps taken on the device during the collection process, which will also be nice to have integrated into the NetBeans plugin. Ultimately, this will be handy for anyone creating Android applications in NetBeans IDE since they'll be able to use AT&T's ARO tool for optimizing the performance of the applications they're developing. It will also be useful for those using the built-in Cordova tools in NetBeans IDE to create iOS applications because ARO is also applicable to analyzing iOS application performance.

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• How does affliate marketing work, technically?

  - by Ron Gonzales

  There are lots of companies like Commision Junction that let you sell other people's products for a commission. How do these programs work, technically? Ie, are you simply given a link to the product you want to sell with an embedded ID in the URL? Does it involve cookies somehow? Do you take the order yourself and forward the information to the actual supplier of the goods/services? And how do you know if the program or the 'affliate network' isn't ripping you off by not creditting you for a sale?

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• JNDI Datasource Problem on Tomcat 6, Hibernate

  - by Asuman AKYILDIZ

  Hello; I am using Tomcat 6 as application server, Struts-Hibernate and MyEclipse 6.0. My application uses JDBC driver but I should modify it to use JNDI Datasource. I followed steps as described in tomcat 6.0 howto tutorial. I defined my resource in tomcatconf: <Resource name="jdbc/ats" global="jdbc/ats" auth="Container" type="javax.sql.DataSource" driverClassName="oracle.jdbc.OracleDriver" url="jdbc:oracle:thin:@//localhost:1521/MISDEV" username="TEST" password="TEST" maxActive="20" maxIdle="10" maxWait="-1" validationQuery="SELECT 1 from dual" removeAbandoned="true" removeAbandonedTimeout="30" logAbandoned="false"/> I gave reference in my application web.xml: <resource-ref> <description>Oracle Datasource example</description> <res-ref-name>jdbc/ats</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> And I defined datasource-dialect in my hibernate-cfg.xml <property name="connection.datasource">java:comp/env/jdbc/ats</property> <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> But when I create hibernate session, it can not open the connection: 09:18:11,322 ERROR JDBCExceptionReporter:72 - Connections could not be acquired from the underlying database! org.hibernate.exception.GenericJDBCException: Cannot open connection I also tried to set the properties at runtime: Configuration configuration = new Configuration(); configuration.setProperty("hibernate.dialect", "org.hibernate.dialect.Oracle9Dialect"); //configuration.setProperty("hibernate.connection.datasource", "java:comp/env/jdbc/ats"); configuration.setProperty("hibernate.current_session_context_class", "thread"); configuration.setProperty("hibernate.connection.provider_class", "org.hibernate.connection.C3P0ConnectionProvider"); configuration.setProperty("hibernate.show_sql", "true"); sessionFactory = configuration.configure().buildSessionFactory(); It does not open connection again. But, when I use JDBC driver it works: Configuration configuration = new Configuration(); configuration.setProperty("hibernate.dialect", "org.hibernate.dialect.Oracle9Dialect"); //configuration.setProperty("hibernate.connection.datasource", "java:comp/env/jdbc/ats"); configuration.setProperty("hibernate.connection.url", "jdbc:oracle:thin:@//localhost:1521/MISDEV"); configuration.setProperty("hibernate.connection.username", "test"); configuration.setProperty("hibernate.connection.password", "test"); configuration.setProperty("hibernate.connection.driver_class", "oracle.jdbc.OracleDriver"); configuration.setProperty("hibernate.transaction.factory_class", "org.hibernate.transaction.JDBCTransactionFactory"); configuration.setProperty("hibernate.current_session_context_class", "thread"); configuration.setProperty("hibernate.connection.provider_class", "org.hibernate.connection.C3P0ConnectionProvider"); configuration.setProperty("hibernate.show_sql", "true"); sessionFactory = configuration.configure().buildSessionFactory(); I have been searching for 3 days and no success. What may be de problem?

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• Why are people using C instead of C++? [closed]

  - by Darth

  Possible Duplicate: When to use C over C++, and C++ over C? Many times I've stumbled upon people saying that C++ is not always better than C. Great example here would be the Linux kernel, where they simply decided to use C instead of C++ because it had better compilers at the time. But that's many years ago and a lot has changed. So the question is, why are people still using C over C++? I gues there are probably some cases (like embedded devices), where there simply isn't a good C++ compiler, or am I wrong here? What are the other cases when it is better to go with C instead of C++?

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• Should I start making connections even if I'm not ready for a job yet?

  - by James

  The first job is always the hardest to get and I'm not exception. I'm 23 years old and I have no college degree but planned on going to college this year if all goes well (CS of course). I'm self-studying java right now. I know most of the topics related to the language besides the more advanced topics and I'm beginning to look at open source projects. I would like to find a job (at least a part time job) after a year or two when I'll gain more experience and learn more about java technologies and other technologies that interest me. Finding a job will be a bit difficult because most of the people (or a lot of them at least) at my current age already have 2 years or more of experience, so I will be somewhat disadvantaged. Should I start building connections and joining websites such as linkedin ? I never bothered to look into it because I'm not much of a social network person. If I start contributing to open source projects and create personal projects for 2 years could I apply for jobs that require 1-2 years of experience? Does this experience count ?

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• how to choose a web framework and javascript library?

  - by Trylks

  I've been procrastinating learning some framework for web apps w/ some library for AJAX, something like django with prototype, or turbogears with mootools, or zeta components with dojo, grok, jquery, symfony... The point is to spend some of my spare time, have "fun" and create cool stuff that hopefully is some useful. I think maybe I wouldn't like something like GWT or pyjamas because I wouldn't like to "get married" with some technology, I want to keep my freedom to add another javascript library, and so on. I didn't decide even the language yet, but I think I'd prefer python. PHP could be fine if there is some framework that is nice enough. Besides that, I don't even know where to start. I don't feel like learning a framework to then realize there is something that I cannot comfortably do, switch to another framework then find that a third framework has something really cool, etc. And the same goes for javascript libraries. So, some guidance would be really appreciated. I don't really know why are so many options available and what do they aim for, I guess some of them focus on some aspects and some on others, but I just want to make cool and nice apps that I can easily maintain, without spending too much time on coding or learning and avoiding the "trapped in the framework" feeling, when doing something is awfully complicated (or even impossible) with compared with the rest of things or doing that same thing on a different framework. I guess in the end I'll go for django and jquery since they are the most widely used options, afaik, but if I was going for the most widely used options I guess I should choose Java or PHP (I don't really like Java for my spare time, but php is not so bad), so I preferred to ask first. I think the question has to consider both, framework and library, since sometimes they are coupled. I think this is the place to ask this kind of things, sorry if not, and thank you.

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