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  • Applying for job: how to showcase work done for (private) past clients?

    - by user33445566
    I want to apply for my first "real" (read: non-freelance) Ruby on Rails job. I've built several apps already. My best work (also the most logically complicated app) was for a freelance client, and I'd like to show it to potential employers. Only problem is: it isn't online anymore. And I've lost touch with the client. How can I include this work in my portfolio? About the app: It's a Facebook game. The client's business idea for this app was not the best. It was never going to make any money. I think it was kind of a vanity side project for him. The logo and graphics are nice-looking, though, and were designed by the client. I've actually spent a lot of time recently recoding most of the app, and adding a full test suite. I want to showcase the BDD / TDD skills I've acquired. I'm not very familiar with the etiquette (/law?) concerning this situation. Can I just put my new version of the app up at a free Heroku URL (perhaps with a "credits" section, where I credit the ideas and graphic designs to my former client)? NOTE: Again, this is just to show potential employers. I am not trying to market the app as my idea, or attract any users. Can I put some or all of the code on GitHub? What if I don't put the code up publicly, but merely send a tarball to potential employers? Do I need to ask permission from my former client (and what if he says no)? The last thing I want to do is get in any legal trouble, or offend people I'm trying get a job from. But I believe that my work and experience on this app are my highest recommendation for getting a job.

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  • JCP.Next.3 working group meetings have begun

    - by Heather VanCura
    As mentioned in the blog earlier this week, the third JSR in the JCP.Next effort, JSR 358, A major revision of the Java Community Process, was approved by the JCP EC to continue development earlier this year.  This JSR will modify the Java Specification Participation Agreement (JSPA) as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons, the JCP EC (acting as the Expert Group for this JSR), expects to spend a considerable amount of time working on this JSR. The JSPA is defined by the JCP as "a one-year, renewable agreement between the Member and Oracle. The success of the Java community depends upon an open and transparent JCP program. The first EG working meetings have started and  meeting materials and minutes are available on their Java.net project. Last week an IP Working Group commenced and their meeting minutes and materials will also be available in this location; they anticipate meeting on a weekly basis moving forward.  Also see the JSR 358 issue tracker on java.net.  Right now there are 45 issues being discussed.  Join the JSR 358 java.net project to keep up to date on the latest developments.

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  • Modern website/webapp setup

    - by onepiece
    I'm new to web development. From looking at popular open-source frameworks for both front-end and back-end, I have a general idea of what the modern full-stack web setup looks like: Database <- Back-end language ~ REST API <- Front-end Notes: The back-end language (Python, Ruby, PHP, Java) generates the API, which is the only layer between the back and the front. The API will have authentication to protect private data. The front-end sends GET and POST requests to the API. A MVC framework can be used, such as Backbone, Angular, or Ember.js. Does this align with best practices for web development?

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  • Fedora 19 simplifie l'administration système et la programmation, Schrödinger's Cat sort avec PHP 5.5, Java 8, Node.js, GCC 4.8 et CLang 3.3

    La nouvelle version de la distribution GNU/Linux Fedora vient de sortir ! Cette 19e version est nommée en l'honneur du chat de Schrödinger. Outre la mise à jour des applications habituelles, cette version s'est centrée sur les outils de l'administration système et de programmation. De quoi ravir et attirer les amateurs de ces technologies.Pour commencer, GNOME 3.8, KDE SC 4.10 et MATE 1.6 sont dans leurs dernières livrées. La stabilité en ressort augmentée avec la correction de nombreux détails pour rendre leurs usages plus confortables.La technologie de l'impression 3D commence à mûrir et Fedora prend les devants en se dotant d'une chaine complète de logiciels libres pour cette activité. De la conception du modèle à l'impression finale, l'ensemble des outils a été test...

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  • Solaris NFS: user permissions

    - by cjavapro
    I am very new to NFS. I would like to make sure I am clear. If the NFS server shares a directory rw,, and all the files in the directory are permissions 700 and user/group for those files is root/root,,, On the client you would have to log in as root to see it. Is this correct? I am aware that a non root user on the client could make a direct connection to override this. (as in don't use the mount, just use an NFS client hack.) It really seems like anyone who has access to the client machine should have access to the files and that the client machine should be ignoring permissions. Only the server should handle permissions. Am I correct in my understanding? Is it normal to have this type of layout? Is there a way to ignore the permissions on the client side?

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  • JSR Updates and EC Nominations open

    - by heathervc
    JSR 310, Date and Time API, has published an Early Draft Review 2.  This review closes 14 October. JSR 353, Java API for JSON Processing, has published an Early Draft Review.  This review closes 7 October. JSR 356, Java API for WebSocket, has published an Early Draft Review. This review closes 27 October. JSR 339,  JAX-RS 2.0: The Java API for RESTful Web Services, has published a Public Review. This review closes 12 November. The EC Nominations are now open until 11 October.  Any JCP Member may nominate themselves for the 2 open seats in the 2012 EC Elections.  Note that both seats will be for a 1 year term only, since all EC Members will stand for Election in 2013.  The merged EC will take effect in November 2012.

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  • 7??OTN?????????????&????

    - by OTN-J Master
    7??OTN?????????????&?????????????9?22?~26???????????????????Oracle OpenWorld???JavaOne?????????(????)????7?19????????????????????????????????????????????? 7??????&?????? ?????? ?6/27?????2? iOS??????? Biz????in ?? 7?5?(?)13:30 ~ 17:30 ?????? ??????(??)??????????????iPhone, iPad????????????????????????????????????iOS???????????????????????iOS????(iPhone, iPad??)????????????????????????????????????????????????????????????????? ??????????????2013 Okinawa 7?6?(?)10:00~17:00 ??????????????????????????????????????????Java?? (14?00?~)6 ???????????????????? Java ??????????? Java EE 7 ???????Java?????????????????????????????????????? Java ?????????Tomcat ?????????????????????? Java EE ????????GlassFish Server Open Source Edition????????????????? ?????!??????????????????????? 7?9?(?)13:00 ~ 17:00 ?????? ??????(??)??????????????????????????????????????????????????????????????????????????????(??)??????????????????Oracle GoldenGate????????????????????????????????????????????????????????????????????? ????! ???????? ?106?-???????????????Export/Import 7?10?(?)18:30 ~20:00 ?????? ????????????(??)18?????????????????????! ???????????106????Export/Import ??????????SQL*Loader??????????????????????????? ??????Oracle Database Appliance??? 7?16?(?)15:30 ~ 17:15 ?????? ??????(??)??????????????????????????????????·?????Oracle Database Appliance???????????????????????????????????????????????? ????~!!??????? ?7? ?Oracle Master Bronze Oracle Database 11g ????????? 7?17?(?)18:30~20:00  ???????? ???? ??????? (??)???23???????????????????????????????? ?????????????????ORACLE MASTER Bronze Oracle Database 11g????????????????????????????????????????????????????ORACLE MASTER Bronze???????? ??????????????????? ?????! ?????????/???????????? 7?19?(?)10:00 ~ 17:30 ?????? ??????(??)?Oracle Application Testing Suite??Web?????????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle Application Testing Suite????????????????????????????????????????????????????? Oracle Optimized Data Center Summit7?25?(?)13:00 ~ 17:30 ?????????7?26?(?)12:30 ~ 16:30 ??????????IT???????????????????????????????????????????????????????????????????????????????????IT????????????????????????????????·???????????????????????????????????????????????????????????????

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  • 2013?1?~2??OTN????????

    - by OTN-J Master
    ?????????????????????? ??????????????????????????????????????????????????????~??????????????!??????????????????????????????(??????????????)12?13?????????????????????????????????????????OTN Twitter????????????¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?2013?1??????? ?96? ????! ???????? -????????????????????¦ ??: 2013?1?16?(?)18:30 ~20:00 ¦ ??: ?????? ???????????? ??????????????????1??????????????????????????????????????????????????????????????????????????????????????????????????>> ??????? ????!!??????? ?1? [????] ?90?????! Oracle Database???????????????? ¦ ??: 2013?1?16?(?)18:30 ~20:00 ¦ ??: ?????????? ???? ??????? ??????????????????????????··????????????????????????????????????????????????????? ???????????????????????????????????Oracle Database??????????????????????????????????????????????????? >> ??????? ¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?¦?2013?2??????? WebLogic Server 12c Forum 2013~ Java EE???????WebLogic????????? ~¦ ??: 2013?2?1?(?)13:30~17:30¦ ??: ??????????????????????WebLogic Server?????????????·???????????Java EE 6??????2012?10????Oracle OpenWorld????WebLogic Server????????????WebLogic????????????????????????????????Java EE???????????·???????Java EE????????????Java?????????? ???????????????????????????????????????????Java EE????????????????????????????????????????????Candy?????????????????????!>> ???????  

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  • Mobile App Data Syncronization

    - by Matt Rogish
    Let's say I have a mobile app that uses HTML5 SQLite DB (and/or the HTML5 key-value store). Assets (media files, PDFs, etc.) are stored locally on the mobile device. Luckily enough, the mobile device is a read-only copy of the "centralized" storage, so the mobile device won't have to propagate changes upstream. However, as the server changes assets (creates new ones, modifies existing, deletes old ones) I need to propagate those changes back to the mobile app. Assume that server changes are grouped into changesets (version number n) that contain some information (added element XYZ, deleted id = 45, etc.) and that the mobile device has limited CPU/bandwidth, so most of the processing has to take place on the server. I can think of a couple of methods to do this. All have trade-offs and at this point, I'm unsure which is the right course of action... Method 1: For change set n, store the "diff" of the current n and previous n-1. When a client with version y asks if there have been any changes, send the change sets from version y up to the current version. e.g. added item 334, contents: xxx. Deleted picture 44. Deleted PDF 11. Changed 33. added picture 99. Characteristics: Diffs take up space, although in theory would be kept small. However, all diffs must be kept around indefinitely (should a v1 app have not been updated for a year, must apply v2..v100). High latency devices (mobile apps) will incur a penalty to send lots of small files (assume cannot be zipped or tarr'd up into one file) Very few server CPU resources required, as all it does is send the client a list of files "Dumb" - if I change an item in change set 3, and change it to something else in 4, the client is going to perform both actions, even though #3 is rendered moot by #4. Or, if an asset is added in #4 and removed in #5 - the client will download a file just to delete it later. Method 2: Very similar to method 1 except on the server, do some sort of a diff between the change sets represented by the app version and server version. Package that up and send that single change set to the client. Characteristics: Client-efficient: The client only has to process one file, duplicate or irrelevant changes are stripped out. Server CPU/space intensive. The change sets must be diff'd and then written out to a file that is then sent to the client. Makes diff server scalability an issue. Possibly ways to cache the results and re-use them, but in the wild there's likely to be a lot of different versions so the diff re-use has a limit Diff algorithm is complicated. The change sets must be structured in such a way that an efficient and effective diff can be performed. Method 3: Instead of keeping diffs, write out the entire versioned asset collection to a mobile-database import file. When client requests an update, send the entire database to client and have them update their assets appropriately. Characteristics: Conceptually simple -- easy to develop and deploy Very inefficient as the client database is restored every update. If only one new thing was added, the whole database is refreshed. Server space and CPU efficient. Only the latest version DB needs kept around and the server just throws the file to the client. Others?? Thoughts? Thanks!!

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  • Where are classpath, path and pathelement documented in Ant version 1.8.0?

    - by Robert Menteer
    I'm looking over the documentation that comes with Apache Ant version 1.8.0 and can't find where classpath, path and pathelement are documented. I've found a page that describes path like structures but it doesn't list the valid attributes or nested elements for these. Another thing I can't find in the documentation is a description of the relationships between filelist, fileset, patternset and path and how to convert them back and forth. For instance there has to be an easier way to compile only those classes in one package while removing all class dependencies on the package classes and update documentation. <!-- Get list of files in which we're interested. --> <fileset id = "java.source.set" dir = "${src}"> <include name = "**/Package/*.java" /> </fileset> <!-- Get a COMMA separated list of classes to compile. --> <pathconvert property = "java.source.list" refid = "java.source.set" pathsep = ","> <globmapper from = "${src}/*.@{src.extent}" to = "*.class" /> </pathconvert> <!-- Remove ALL dependencies on package classes. --> <depend srcdir = "${src}" destdir = "${build}" includes = "${java.source.list}" closure = "yes" /> <!-- Get a list of up to date classes. --> <fileset id = "class.uptodate.set" dir = "${build}"> <include name = "**/*.class" /> </fileset> <!-- Get list of source files for up to date classes. --> <pathconvert property = "java.uptodate.list" refid = "class.uptodate.set" pathsep = ","> <globmapper from="${build}/*.class" to="*.java" /> </pathconvert> <!-- Compile only those classes in package that are not up to date. --> <javac srcdir = "${src}" destdir = "${build}" classpathref = "compile.classpath" includes = "${java.source.list}" excludes = "${java.uptodate.list}"/> <!-- Get list of directories of class files for package. --: <pathconvert property = "class.dir.list" refid = "java.source.set" pathsep = ","> <globmapper from = "${src}/*.java" to = "${build}*" /> </pathconvert> <!-- Convert directory list to path. --> <path id = "class.dirs.path"> <dirset dir = "${build}" includes = "class.dir.list" /> </path> <!-- Update package documentation. --> <jdepend outputfile = "${docs}/jdepend-report.txt"> <classpath refid = "compile.classpath" /> <classpath location = "${build}" /> <classespath> <path refid = "class.dirs.path" /> </classespath> <exclude name = "java.*" /> <exclude name = "javax.*" /> </jdepend> Notice there's a number of conversions between filesets, paths and comma separated list just to get the proper 'type' required for the different ant tasks. Is there a way to simplify this while still processing the fewest files in a complex directory structure?

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  • Scala isn't allowing me to execute a batch file whose path contains spaces.Same Java code does.What

    - by Geo
    Here's the code I have: var commandsBuffer = List[String]() commandsBuffer ::= "cmd.exe" commandsBuffer ::= "/c" commandsBuffer ::= '"'+vcVarsAll.getAbsolutePath+'"' commandsBuffer ::= "&&" otherCommands.foreach(c => commandsBuffer ::= c) val asArray = commandsBuffer.reverse.toArray val processOutput = processutils.Proc.executeCommand(asArray,true) return processOutput otherCommands is an Array[String], containing the following elements: vcbuild /rebuild path to a .sln file vcVarsAll contains the path to Visual Studio's vcvarsall.bat. It's path is C:\tools\microsoft visual studio 2005\vc\vcvarsall.bat. The error I receive is: 'c:\Tools\Microsoft' is not recognized as an internal or external command, operable program or batch file.. The processutils.Proc.executeCommand has the following implementation: def executeCommand(params:Array[String],display:Boolean):(String,String) = { val process = java.lang.Runtime.getRuntime.exec(params) val outStream = process.getInputStream val errStream = process.getErrorStream ... } The same code, executed from Java/Groovy works. What am I doing wrong?

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  • How to obtain an scroll_insensitive resultSet from a callableStatement in Java JDBC?

    - by rafa colunga
    Hi, I have a stored procedure in an Oracle 10g database, in my java code, i call it with: CallableStatement cs = bdr.prepareCall("Begin ADMBAS01.pck_basilea_reportes.cargar_reporte(?,?,?,?,?); END;", ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); cs.setInt(1, this.reportNumber); cs.registerOutParameter(2, OracleTypes.CURSOR); cs.registerOutParameter(3, OracleTypes.INTEGER); cs.registerOutParameter(4, OracleTypes.VARCHAR); cs.setDate(5, new java.sql.Date(this.fecha1.getTime())); cs.execute(); ResultSet rs = (ResultSet)cs.getObject(2); i do obtain an ResultSet with correct records in it, but when i try an "scroll_insensitive - only" operation, (like absolute(1) ). I keep getting an SQLException stating that it doesn't work on FORWARD only resultSet. So how can i obtain this ResultSet with scroll_insensitive capabilites? Thanks in Advance.

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  • How do you implement file drag-and-drop upload in Google Chrome?

    - by Chris R
    I've found several tutorials online about implementing file drag/drop with Firefox 3.6 (they involve using a FileReader object to get the file binary data). However, I cannot create a FileReader object in Chrome on Windows or Mac. Does anyone know what the API is to read and manipulate data from a drag-and-dropped file in Chrome? If I can get the binary data of the file, I already have the rest of the code to perform the upload. Note: I've also tried using the getAsBinary() function call on the file object of the drag event (event.dataTransfer.file) but I believe that is a Mozilla-specific function and not implemented in Chrome. Also, I'm not interested in a solution using google gears or one that requires a user to select files from a dialog. I'm specifically trying to implement a drag-and-drop file upload.

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  • What is the correct way to specify dimensions in DIP from Java code ?

    - by Pavel Lahoda
    Trying to digest docs about design Multiple resolutions (http://d.android.com/guide/practices/screens_support.html#dips-pels) I found that it is possible to set dimensions of my interface elements in XML layouts using DIPs as in following fragment : "android:layout_width="10dip" But all Java interface takes integer as arguments and there is no way to specify dimensions in DIPs. What is the correct way to calculate this ? I figured that I have to use property density of DisplayMetrics class but is this a correct way ? May I relly that formula : pixels * DisplayMetrics.density = dip is always correct ? Will there be API in DIPs for Java ?

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  • CAN Controller DLL with Java Application. Unable to open CAN port.

    - by Joseph Lim
    I am creating a Java application that controls a Controller Area Network (CAN) controller via a vendor-supplied can.dll file. can.dll contains a function bool openPort(DWORD memAddr) that allows the application to establish connection with the CAN controller. I wrote a C++ test application, loaded can.dll via LoadLibrary and found this function to be working as it should, i.e. it returns true. However, in my Java application, calling this via JNI or JNA returns false. I hope someone can help me with this problem as I have been trying to fix this problem for more than a week. Thanks :) JL

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  • Which UML tool can really round-trip java code?

    - by Geir Ove
    Hello, Many UML tools claim to do forward / reverse engineering of Java code. However, it turns out from prior experience, that few tools really work in this area. I haven't been doing Java projects for 3 years, and want to get up to date with the current status in this area. In Particular I am interested in Creating State Machine Skeletons from Diagram, be able to create hooks to my own code, and be able to reverse engineer the State Diagram back (Do not want to change the State Machine itself outside the Tool). Which UML tools works in this area? Enterprise Architecht? Visual Paradigm? Others? Geir Ove Norway

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  • How to access Grails domain classes in Java service layer?

    - by batmannavneet
    How can I use grails domain classes (which is in groovy) in service layer which is in Java/Spring. When using the grails MVC, everything is fine as I can use controller to access domain objects and call CRUD and other dynamic methods on them. But, what I am wondering is is there a clean way to do it from Java - say the service layer. For example, I may want to develop a reporting framework where I need to use domain objects to access the DB. I Hope the question is clear. This should be a standard problem that everybody must have faced in a reasonably sized project. I am just wondering how it is solved..maybe I am missing something here. thanks.

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  • Dynamic domain methods missing from grails service when injected into java service in grails app.

    - by Gordon C
    I had the idea that I would write my GroovyDao as a grails service. Next I would write a MyJavaService in java and locate it in the java sources dir in my grails app. MyJavaService contains a instance reference to groovyDao for spring injection. I would wire up in resources.groovy the MyJavaService with a groovyDao = ref("GroovyDao"). Everything starts up fine. However if I make call to MyJavaService any Domain method like Domain.list() returns a Method not found error. Any help is appreciated.

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