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  • Solving Null Entity Problems with JPA Data Controls in PS1

    - by shay.shmeltzer
    Turns out there is a slight bug that seems to prevent you from doing interactions (update, scroll) with the results of a JPA named query that you dropped on a page using ADF Binding. People are running into this when they are doing the EJB tutorial on OTN for example. The problem is that the way the binding is set up for you automatically doesn't allow you to actually access the iterator set of records to do follow up operations. When I last checked this was solved in the next release of JDeveloper, but in the meantime there is a quick simple way to resolve the issue by changing the refresh condition of the oiterator in your page binding. Here is a little demo that shows the problem and the solution:

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  • Oracle SQL Developer v3.2.1 Now Available

    - by thatjeffsmith
    Oracle SQL Developer version 3.2.1 is now available. I recommend that everyone now upgrade to this release. It features more than 200 bug fixes, tweaks, and polish applied to the 3.2 edition. The high profile bug fixes submitted by customers and users on our forums are listed in all their glory for your review. I want to highlight a few of the changes though, as I recognize many of you lack the time and/or patience to ‘read the docs.’ That would include me, which is why I enjoy writing these kinds of blog posts. I’m lazy – just like you! No more artificial line breaks between CREATE OR REPLACE and your PL/SQL In versions 3.2 and older, when you pull up your stored procedural objects in our editor, you would see a line break inserted between the CREATE OR REPLACE and then the body of your code. In version 3.2.1, we have removed the line break. 3.1 3.2.1 Trivia Did You Know? The database doesn’t store the ‘CREATE’ or ‘CREATE OR REPLACE’ bit of your PL/SQL code in the database. If we look at the USER_SOURCE view, we can see that the code begins with the object name. So the CREATE OR REPLACE bit is ‘artificial’ The intent is to give you the code necessary to recreate your object – and have it ‘compile’ into the database. We pretty much HAVE to add the ‘CREATE OR REPLACE.’ From now on it will appear inline with the first line of your code. Exporting Tables & Views When exporting data from your tables or views, previous versions of SQL Developer presented a 3 step wizard. It allows you to choose your columns and apply data filters for what is exported. This was kind of redundant. The grids already allowed you to select your columns and apply filters. Wouldn’t it be more intuitive AND efficient to just make the grids behave in a What You See Is What You Get (WYSIWYG) fashion? In version 3.2.1, that is exactly what will happen. The wizard now only has two steps and the grid will export the data and columns as defined in the visible grid. Let the grid properties define what is actually exported! And here is what is pasted into my worksheet: "BREWERY"|"CITY" "3 Brewers Restaurant Micro-Brewery"|"Toronto" "Amsterdam Brewing Co."|"Toronto" "Ball Brewing Company Ltd."|"Toronto" "Big Ram Brewing Company"|"Toronto" "Black Creek Historic Brewery"|"Toronto" "Black Oak Brewing"|"Toronto" "C'est What?"|"Toronto" "Cool Beer Brewing Company"|"Toronto" "Denison's Brewing"|"Toronto" "Duggan's Brewery"|"Toronto" "Feathers"|"Toronto" "Fermentations! - Danforth"|"Toronto" "Fermentations! - Mount Pleasant"|"Toronto" "Granite Brewery & Restaurant"|"Toronto" "Labatt's Breweries of Canada"|"Toronto" "Mill Street Brew Pub"|"Toronto" "Mill Street Brewery"|"Toronto" "Molson Breweries of Canada"|"Toronto" "Molson Brewery at Air Canada Centre"|"Toronto" "Pioneer Brewery Ltd."|"Toronto" "Post-Production Bistro"|"Toronto" "Rotterdam Brewing"|"Toronto" "Steam Whistle Brewing"|"Toronto" "Strand Brasserie"|"Toronto" "Upper Canada Brewing"|"Toronto" JUST what I wanted And One Last Thing Speaking of export, sometimes I want to send data to Excel. And sometimes I want to send multiple objects to Excel – to a single Excel file that is. In version 3.2.1 you can now do that. Let’s export the bulk of the HR schema to Excel, with each table going to it’s own workbook in the same worksheet. Select many tables, put them in in a single Excel worksheet If you try this in previous versions of SQL Developer it will just write the first table to the Excel file. This is one of the bugs we addressed in v3.2.1. Here is what the output Excel file looks like now: Many tables - Many workbooks in an Excel Worksheet I have a sneaky suspicion that this will be a frequently used feature going forward. Excel seems to be the cornerstone of many of our popular features. Imagine that!

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  • Can't login, kde loads, then back to kdm

    - by Daniel
    Hi @all (K)Ubuntu users, I installed Kubuntu 10.10 after it's realesing. (ordinary I use Ubuntu, but this time I want to try Kubuntu, too) Now I can't login in Kubuntu: When(/if) I login with mine username and password, KDE loads(I mean this splashscreen), but if it's ready nearly, the screen becomes dark and I'm back in the login-manager. I tried many things: With a new user or with installing gdm or install it new (two times!) Thank you for helping PS: Ubuntu works normal Sorry for my bad english ;-) EDIT: The text-console-mode(or however it's named in english) isn't working anytimes, seemes like a graphics bug or something similiar. And there aren't very many (hidden) ".folders", just .kde .config .dbus .fontconfig and some ".files".

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  • Does gwibber in Maverick work with the "me menu?"

    - by Roland Taylor
    Currently if I try to post from the me menu, it just keeps the text I have entered. Is this a known bug? Or do I have to downgrade gwibber? I'm using the ppa version of gwibber. Is it possible for this version to work with the memenu? UPDATE: I still have not gotten an answer as such :( - so I'm updating the question. If I try to post from the me menu the text is grayed out, and it doesn't send my post when I hit enter.

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  • Issues with ganglia and upstart in 13.04

    - by theist
    I'm having an issue with ganglia-monitor and upstart. Just after installing it starts and it cannot be stopped. I tried to solve it following http://upstart.ubuntu.com/cookbook/#expect but I can achieve upstart to track the actual pid of gmond. Assuming the configuration of the init config is wrong i followed direcetions in http://upstart.ubuntu.com/cookbook/#how-to-establish-fork-count in order to try to fix it. As it states a count of 1 means "exec fork" stanza and 2 means "exec daemon" .... gmond gives a count of 8... And of course I can get it to track the actual PID. I haven't found a bug report or something like that. Is there something I missed ? Upstart seems to be failing and the worst thing is that upstart hangs on start/stop and I cannot even uninstall or reconfigure packages.

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  • Stuck removing ffmpeg from system due to package problems

    - by Michiel
    I'd be very grateful to get a bit of support on the following situation: Using Ubuntu 12.04, and I used the PPA of Jon Severinson for ffmpeg. I had a problem playing movies with mplayer, so I decided to remove the PPA and try to use libav only after I read this article about libav vs ffmpeg. I first removed the PPA from the list, then apt-get update, etc. But I couldn't remove ffmpeg due to dependency-errors and got stuck in what seemed some kind of loop. Then I found a suggestion here. I followed the steps, and ended up force-removing libavcodec-extra-53. Because, apparently that was "what got stuff moving again". At the moment I can't. Now Ubuntu is reporting a broken package (BrokenCount 0). Errors: De afhankelijkheden van de volgende pakketten konden niet geïnstalleerd worden: audacious-plugins: Depends: audacious-plugins-data (= 3.2.1-4ubuntu1) maar 3.2.1-4ubuntu1 is geïnstalleerd Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libcurl3-gnutls (= 7.16.2-1) maar 7.22.0-3ubuntu4 is geïnstalleerd Depends: libgcc1 (= 1:4.1.1) maar 1:4.6.3-1ubuntu5 is geïnstalleerd Depends: libpulse0 (= 1:0.99.1) maar 1:1.1-0ubuntu15.1 is geïnstalleerd Depends: libstdc++6 (= 4.6) maar 4.6.3-1ubuntu5 is geïnstalleerd Depends: libwavpack1 (= 4.40.0) maar 4.60.1-2 is geïnstalleerd Depends: libxcomposite1 (= 1:0.3-1) maar 1:0.4.3-2build1 is geïnstalleerd Depends: zlib1g (= 1:1.1.4) maar 1:1.2.3.4.dfsg-3ubuntu4 is geïnstalleerd libavfilter-extra-2: Depends: libavcodec-extra-53 (= 6:0.10.4.0ubuntu0jon2.2) maar het is niet geïnstalleerd Depends: libavcodec-extra-53 (< 6:0.10.4.0ubuntu0jon2.2-99) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 6:0.10.4.0ubuntu0jon2.2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 6:0.10.4.0ubuntu0jon2.2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libswresample-extra-0 (= 6:0.10.4.0ubuntu0jon2.2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libswscale-extra-2 (= 6:0.10.4.0ubuntu0jon2.2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd libavformat-extra-53: Depends: libavcodec-extra-53 (= 6:0.10.4.0ubuntu0jon2.2) maar het is niet geïnstalleerd Depends: libavcodec-extra-53 (< 6:0.10.4.0ubuntu0jon2.2-99) maar het is niet geïnstalleerd Depends: libavutil-extra-51 (= 6:0.10.4.0ubuntu0jon2.2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd libk3b6-extracodecs: Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libc6 (= 2.14) maar 2.15-0ubuntu10 is geïnstalleerd Depends: libkdecore5 (= 4:4.4.4) maar 4:4.8.4a-0ubuntu0.2 is geïnstalleerd Depends: libkio5 (= 4:4.4.4) maar 4:4.8.4a-0ubuntu0.2 is geïnstalleerd Depends: libqtcore4 (= 4:4.7.0~beta1) maar 4:4.8.1-0ubuntu4.2 is geïnstalleerd Depends: libstdc++6 (= 4.1.1) maar 4.6.3-1ubuntu5 is geïnstalleerd libquicktime2: Depends: libavcodec-extra-53 (= 4:0.8~beta2-2) maar het is niet geïnstalleerd Depends: libswscale-extra-2 (= 4:0.8~beta2-2) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd libxine1-ffmpeg: Depends: libavcodec-extra-53 (= 4:0.7.3-1) maar het is niet geïnstalleerd Depends: libavutil-extra-51 (= 4:0.7.3-1) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libc6 (= 2.4) maar 2.15-0ubuntu10 is geïnstalleerd Depends: libpostproc-extra-52 (= 4:0.7.3-1) maar het is niet geïnstalleerd Depends: libxine1-bin (= 1.1.20-2build1) maar 1.1.20-2build1 is geïnstalleerd mencoder: Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libpostproc-extra-52 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libswscale-extra-2 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd mplayer: Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libpostproc-extra-52 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libswscale-extra-2 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd vlc: Depends: vlc-nox (= 2.0.3-0ubuntu0.12.04.1) maar 2.0.3-0ubuntu0.12.04.1 is geïnstalleerd Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libc6 (= 2.15) maar 2.15-0ubuntu10 is geïnstalleerd Depends: libfreetype6 (= 2.2.1) maar 2.4.8-1ubuntu2 is geïnstalleerd Depends: libgcc1 (= 1:4.1.1) maar 1:4.6.3-1ubuntu5 is geïnstalleerd Depends: libqtcore4 (= 4:4.8.0) maar 4:4.8.1-0ubuntu4.2 is geïnstalleerd Depends: libqtgui4 (= 4:4.7.0~beta1) maar 4:4.8.1-0ubuntu4.2 is geïnstalleerd Depends: libstdc++6 (= 4.6) maar 4.6.3-1ubuntu5 is geïnstalleerd Depends: zlib1g (= 1:1.2.3.3.dfsg) maar 1:1.2.3.4.dfsg-3ubuntu4 is geïnstalleerd vlc-nox: Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libc6 (= 2.15) maar 2.15-0ubuntu10 is geïnstalleerd Depends: libfontconfig1 (= 2.8.0) maar 2.8.0-3ubuntu9.1 is geïnstalleerd Depends: libfreetype6 (= 2.2.1) maar 2.4.8-1ubuntu2 is geïnstalleerd Depends: libgcc1 (= 1:4.1.1) maar 1:4.6.3-1ubuntu5 is geïnstalleerd Depends: libgnutls26 (= 2.12.6.1-0) maar 2.12.14-5ubuntu3.1 is geïnstalleerd Depends: libmpcdec6 (= 1:0.1~r435) maar 2:0.1~r459-1ubuntu1 is geïnstalleerd Depends: libncursesw5 (= 5.6+20070908) maar 5.9-4 is geïnstalleerd Depends: libpostproc-extra-52 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libsmbclient (= 3.0.24) maar 2:3.6.3-2ubuntu2.3 is geïnstalleerd Depends: libstdc++6 (= 4.6) maar 4.6.3-1ubuntu5 is geïnstalleerd Depends: libswscale-extra-2 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libudev0 (= 147) maar 175-0ubuntu9.1 is geïnstalleerd Depends: libxml2 (= 2.7.4) maar 2.7.8.dfsg-5.1ubuntu4.1 is geïnstalleerd Depends: zlib1g (= 1:1.2.0.2) maar 1:1.2.3.4.dfsg-3ubuntu4 is geïnstalleerd xbmc-bin: Depends: libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libavfilter-extra-2 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavformat-extra-53 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libavutil-extra-51 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd Depends: libpostproc-extra-52 (= 4:0.8-1~) maar het is niet geïnstalleerd Depends: libswscale-extra-2 (= 4:0.8-1~) maar 6:0.10.4.0ubuntu0jon2.2 is geïnstalleerd And apt-get is reporting: root@LAPTOP:~# apt-get -f install Pakketlijsten worden ingelezen... Klaar Boom van vereisten wordt opgebouwd De status informatie wordt gelezen... Klaar Vereisten worden gecorrigeerd... mislukt. De volgende pakketten hebben niet-voldane vereisten: audacious-plugins : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd libavfilter-extra-2 : Vereisten: libavcodec-extra-53 (= 6:0.10.4.0ubuntu0jon2.2) maar het is niet geïnstalleerd Vereisten: libavcodec-extra-53 (< 6:0.10.4.0ubuntu0jon2.2-99) maar het is niet geïnstalleerd libavformat-extra-53 : Vereisten: libavcodec-extra-53 (= 6:0.10.4.0ubuntu0jon2.2) maar het is niet geïnstalleerd Vereisten: libavcodec-extra-53 (< 6:0.10.4.0ubuntu0jon2.2-99) maar het is niet geïnstalleerd libk3b6-extracodecs : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd libquicktime2 : Vereisten: libavcodec53 (= 4:0.8~beta2-2) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8~beta2-2) maar het is niet geïnstalleerd libxine1-ffmpeg : Vereisten: libavcodec53 (= 4:0.7.3-1) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.7.3-1) maar het is niet geïnstalleerd mencoder : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd mplayer : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd vlc : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd vlc-nox : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd xbmc-bin : Vereisten: libavcodec53 (= 4:0.8-1~) maar het is niet geïnstalleerd of libavcodec-extra-53 (= 4:0.8-1~) maar het is niet geïnstalleerd E: Fout, pkgProblemResolver::Resolve maakte scheidingen aan, dit kan veroorzaakt worden door vastgehouden pakketten. E: Kan vereisten niet corrigeren How to proceed?? Thanks in advance, Michiel

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  • What is a name for a job where you do system analysis, project management and data diagramming?

    - by David Archer
    In the last 4 months I've been able to manage a team and step away from the coding for a bit. I've been planning the system in full (both System Analysis and project managing, alongside action and data diagramming) writing the technical documentation, the code's architecture, keeping track of the other guys doing the actual coding, QA, bug reports and dealing with clients. I had to take two days' training on node.js just to see if it would be suitable for a project we were considering. Is there a name for this job? Project Manager and Systems Architect don't quite seem to have the same stuff, and IT manager seems way off. I only want to know so that I can get some qualification towards it and try to move into this kind of work full-time.

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  • Logkeys fragile?

    - by Ahmed Nematallah
    The program logkeys (which seems to be the only keylogger for linux out there which I can run) has some problems, it stops logging after some time, never returns again, I don't know how to trigger that bug, if the file is edited while logging, it just stops, if the file exists before logging it doesn't try to append to it or delete it or anything, the first issue is the most important but the rest are quite annoying can anyone help me because I'm not a linux programmer (I don't really know anything about the linux API but I am a beginner C++ programmer) and I won't be able to make my own keylogger thanks for the interest BTW I'm sure I got the right input device because it starts logging then stops and I use the command "logkeys -s -u -d /dev/input/event3 -o '/home/ahmed/Documents/log.txt'"

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  • having problems with update manager

    - by Howie Lynch
    I'm trying to update my Ubuntu system, but cannot do anything with the Update Manager. It loads up 3/4 of the way and then says: Could not initialize the package information An unresolvable problem occurred while initializing the package information. Please report this bug against the 'update-manager' package and include the following error message: 'E:The package google-chrome-stable:i386 needs to be reinstalled, but I can't find an archive for it.' Also ubuntu software center will not open and keeps crashing. This is very annoying as I can't install or update anything.

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  • Adam Bien Testimonial at GlassFish Community Event, JavaOne 2012

    - by arungupta
    Adam Bien, a self-employed enterprise Java consultant, an author of five star-rated books, a presenter, a Java Champion, a NetBeans Dream Team member, a JCP member, a JCP Expert Group Member of several Java EE groups, and with several other titles is one of the most vocal advocate of the Java EE platform. His code-driven workshops using Java EE 6, NetBeans, and GlassFish have won accolades at several developers' conferences all around the world. Adam has been using GlassFish for all his projects for many years. One of the reasons he uses GlassFish is because of high confidence that the Java EE compliance bug will be fixed faster. He find GlassFish very capable application server for faster development and continuous deployment. His own media properties are running on GlassFish with an Apache front-end. Good documentation, accessible source code, REST/Web/CLI administration and monitoring facilities are some other reasons to pick GlassFish. He presented at the recently concluded GlassFish community event at JavaOne 2012. You can watch the video (with transcript) below showing him in full action:

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  • Empathy chat limits the number of contacts displayed?

    - by Ka7anax
    I'm using Empathy Chat with these accounts: GTalk & Facebook. I just noticed now that from my GTalk friends only 6 appear online (including me) and in reality online are 14 (checked on GMail). And from Facebook it displays 44. So is Empathy Chat limited to display only 50 contacts? I looked through the settings and didn't see anything like this :| The worst part is that I have 1 GTalk contact as Favorite and it's not in the list... Is it a bug? PS: I'm using Ubuntu 10.10

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  • Error 255 samba share simple file share Ubuntu 14.04

    - by Rose Offthorns
    I have been using simple file share on Ubuntu 12.04 for several years not a problem now I have up graded to 14.04 all the problems error 255, tried all sights to fix the problem nothing works even went back to 12.04 still the same problem error 255 'net usershare' returned error 255: net usershare add: cannot convert name "Everyone" to a SID. The connection was refused. Maybe smbd is not running. There appears to be a bug with the new upgrade or has there been a new upgrade. Thanks for any help would be appreciated.

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  • Wine can't find gnome-keyring-pkcs11.so

    - by Jackie
    I am trying to start a program using wine on ubuntu lts 12.04 64 bit When I do this I get the following error message... /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so: /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so: cannot open shared object file: No such file or directory When I try to symlink the 64 bit libraries, of course I get the following... jackie@jackie-Latitude-E6410:~/tmp/AC$ wine TTG.exe p11-kit: couldn't load module: /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so: /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so: wrong ELF class: ELFCLASS64 wine: Unhandled page fault on read access to 0x00000000 at address (nil) (thread 0009), starting debugger... err:seh:raise_exception Unhandled exception code c0000005 flags 0 addr 0x7bc47aac Is there a package that installs the 32-bit as well as the 64bit? UPDATE: Appears to be a bug in Ubuntu w/ 1.4 https://launchpad.net/~ubuntu-wine/+archive/ppa I used these steps and my application worked http://www.noobslab.com/2012/04/install-wine-152-on-ubuntu.html Not sure exactly why but it appears to ignore the error if you use the 1.5.

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  • Pac-Man Hiding Spot Makes High Scores a Snap

    - by Jason Fitzpatrick
    This interesting bug (feature?) in the original Pac-Man game makes it easy to hide from the ghosts, ensuring a long-lived and well-fed Pac-Man. Check out the video above to see the black hole you can park Pac-Man in to avoid assault by the ghosts. There’s two big caveats with this trick: first, it only works in the original game (spin offs and modern adaptations won’t necessarily have it but the original machine and MAME implementations of it will). Second, it doesn’t work if the ghosts see you park yourself there; you need to slip into the spot our of their direct line of sight. Still craving more Pac-Man goodness? Check out these cheat maps that map out all the patterns you need to follow to sneak through every level unmolested by ghosts. [via Neatorama] How To Be Your Own Personal Clone Army (With a Little Photoshop) How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume

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  • What are some ramifications of open source software turning into closed source software? [on hold]

    - by Verrier
    If a company takes a permissively licensed open source application and then develops a closed source application from that by reworking extensive parts of the application, adding new features and applying bug fixes... Ignoring any license requirements... How does the transition happen and what can be done to prevent it beyond choosing a difference license? What are the (ethical or social) responsibilities for the company? (For example: Giving back to the open source project would be the ethical thing to do) If the open source version and closed source version are both available, how does the competition affect either product? Are there any examples of companies or products that have done this (either successfully or unsuccessfully) in the past? What was the community attitude toward those projects?

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  • Firefox 4 stores passwords, but suddenly forgot that it did?

    - by Roland Taylor
    I am using firefox 4 as my default browser, but this is probably file system related. I will describe the problem and hopefully someone can point me in the right direction? Today I was using the browser as normal, all sign ins worked as usual, everything was normal. Then when I got back home tonight and opened it, none of my saved usernames/passwords would autofill/auto-signin anymore. I am guessing this must be something filesystem related, and it only happened this one time seemingly at random, so I don't think it is a firefox 4 bug. In fact, I think it might be something to do with suspending the system before I left? Anyone have any idea?

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  • Fork bomb protection not working : Amount of processes not limited

    - by d_inevitable
    I just came to realize that my system is not limiting the amount of processes per user properly thus not preventing a user from dring a fork-bomb and crashing the entire system: user@thebe:~$ cat /etc/security/limits.conf | grep user user hard nproc 512 user@thebe:~$ ulimit -u 1024 user@thebe:~$ :(){ :|:& };: [1] 2559 user@thebe:~$ ht-bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory -bash: fork: Cannot allocate memory ... Connection to thebe closed by remote host. Is this a bug or why is it ignoring the limit in limits.conf and why is not applying the limit that ulimit -n claims it to be? PS: I really don't think the memory limit is hit before the process limit. This machine has 8GB ram and it was using only 4% of it at the time when I dropped the fork bomb.

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  • PHP CodeSniffer: indentation of 2 is ignored, it just checks 4

    - by Olivier Pons
    # phpcs --version PHP_CodeSniffer version 1.3.3 (stable) by Squiz Pty Ltd. (http://www.squiz.net) # Trying to do this: phpcs --tab-width=2 includes/json/item/categorie.php FOUND 29 ERROR(S) AND 3 WARNING(S) AFFECTING 24 LINE(S) Doesn't work. This doesn't work too: phpcs includes/json/item/categorie.php --tab-width=2 FOUND 29 ERROR(S) AND 3 WARNING(S) AFFECTING 24 LINE(S) If I indent the file with 4 spaces (which I don't want): phpcs --tab-width=2 includes/json/item/categorie.php FOUND 4 ERROR(S) AND 3 WARNING(S) AFFECTING 17 LINE(S) phpcs --tab-width=4 includes/json/item/categorie.php FOUND 4 ERROR(S) AND 3 WARNING(S) AFFECTING 17 LINE(S) phpcs --tab-width=50 includes/json/item/categorie.php FOUND 4 ERROR(S) AND 3 WARNING(S) AFFECTING 17 LINE(S) phpcs includes/json/item/categorie.php --tab-width=50 FOUND 4 ERROR(S) AND 3 WARNING(S) AFFECTING 17 LINE(S) So it's totally ignored. It this a bug?

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  • How to write a user story specific to tasks in this case

    - by vignesh
    We have planned to take up an user story say As a player I want to view the game map to know current standings of my team The sprint is for two weeks. We will be able to complete only HTML in two weeks time, this user story will take 4-6 weeks to be completed as we have a shortage of content designing resources. How can we change this user story so that HTML completion can be considered as a done for this user story and we need to take up the integration of this user story in the next sprint? Is it possible to create two different user stories, one for HTML and other for integration, testing, bug fixing etc?

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  • Cannot add repository key

    - by William Anthony
    I just installed my new laptop with ubuntu 12.04 and when I'm trying to add key, there is a "network unreachable" error. william@ubuntu:~$ gpg --keyserver hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A gpg: requesting key CD2EFD2A from hkp server keys.gnupg.net ?: keys.gnupg.net: Network is unreachable gpgkeys: HTTP fetch error 7: couldn't connect: Network is unreachable gpg: no valid OpenPGP data found. gpg: Total number processed: 0 I'm so sure the keyserver is not down, because I tried it again at my old laptop running ubuntu 11.04 william@william:~$ gpg --keyserver hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A gpg: requesting key CD2EFD2A from hkp server keys.gnupg.net gpg: key CD2EFD2A: "Percona MySQL Development Team <[email protected]>" not changed gpg: Total number processed: 1 gpg: unchanged: 1 Is this a bug?

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  • Disabling assistive technologies during login

    - by Ivan
    I have a laptop with Ubuntu 10.04. My daughter was playing with the keyboard on the login screen, and it seems she activated some assistive technologies because now the screen is split vertically and the right side shows a magnified version of the left side. Plus, there's a screen keyboard. The way the screen is split makes it impossible for me to disable the assistive stuff from the toolbar at the bottom, since I can only see part of it. I don't know if it's a bug or what, because I'd guess I could see the entire bar on the right (magnified) side just by moving the mouse there, but I can't. I can't even type on the login screen, nor use the on-screen keyboard... Good thing I have auto-login activated, so I can still use the computer, but I can't switch users. So, does anyone know how to get the normal login screen back?

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  • New Release of ROracle posted to CRAN

    - by mhornick
    Oracle recently updated ROracle to version 1.1-2 on CRAN with enhancements and bug fixes. The major enhancements include the introduction of Oracle Wallet Manager and support for datetime and interval types.  Oracle Wallet support in ROracle allows users to manage public key security from the client R session. Oracle Wallet allows passwords to be stored and read by Oracle Database, allowing safe storage of database login credentials. In addition, we added support for datetime and interval types when selecting data, which expands ROracle's support for date data.  See the ROracle NEWS for the complete list of updates. We encourage ROracle users to post questions and provide feedback on the Oracle R Forum. In addition to being a high performance database interface to Oracle Database from R for general use, ROracle supports database access for Oracle R Enterprise.

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  • How can I merge two SubVersion branches to one working copy without committing?

    - by Eric Belair
    My current SubVersion workflow is like so: The trunk is used to make small content changes and bug fixes to the main source code. Branches are used for adding/editing enhancements and projects. So, trunk changes are made, tested, committed and deployed pretty quickly. Whereas, enhancements and projects need additional user testing and approval. At time, I have two branches that need testing and approval at the same time. I don't want to merge to the trunk and commit until the changes are fully tested and approved. What I need to do is merge both branches to one working copy without any commits. I am using Tortoise SVN, and when I try to merge the second branch, I get an error message: Cannot merge into a working copy that has local modifications Is there a way that I can do this without committing either merge?

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  • SQL SERVER – Core Concepts – Elasticity, Scalability and ACID Properties – Exploring NuoDB an Elastically Scalable Database System

    - by pinaldave
    I have been recently exploring Elasticity and Scalability attributes of databases. You can see that in my earlier blog posts about NuoDB where I wanted to look at Elasticity and Scalability concepts. The concepts are very interesting, and intriguing as well. I have discussed these concepts with my friend Joyti M and together we have come up with this interesting read. The goal of this article is to answer following simple questions What is Elasticity? What is Scalability? How ACID properties vary from NOSQL Concepts? What are the prevailing problems in the current database system architectures? Why is NuoDB  an innovative and welcome change in database paradigm? Elasticity This word’s original form is used in many different ways and honestly it does do a decent job in holding things together over the years as a person grows and contracts. Within the tech world, and specifically related to software systems (database, application servers), it has come to mean a few things - allow stretching of resources without reaching the breaking point (on demand). What are resources in this context? Resources are the usual suspects – RAM/CPU/IO/Bandwidth in the form of a container (a process or bunch of processes combined as modules). When it is about increasing resources the simplest idea which comes to mind is the addition of another container. Another container means adding a brand new physical node. When it is about adding a new node there are two questions which comes to mind. 1) Can we add another node to our software system? 2) If yes, does adding new node cause downtime for the system? Let us assume we have added new node, let us see what the new needs of the system are when a new node is added. Balancing incoming requests to multiple nodes Synchronization of a shared state across multiple nodes Identification of “downstate” and resolution action to bring it to “upstate” Well, adding a new node has its advantages as well. Here are few of the positive points Throughput can increase nearly horizontally across the node throughout the system Response times of application will increase as in-between layer interactions will be improved Now, Let us put the above concepts in the perspective of a Database. When we mention the term “running out of resources” or “application is bound to resources” the resources can be CPU, Memory or Bandwidth. The regular approach to “gain scalability” in the database is to look around for bottlenecks and increase the bottlenecked resource. When we have memory as a bottleneck we look at the data buffers, locks, query plans or indexes. After a point even this is not enough as there needs to be an efficient way of managing such large workload on a “single machine” across memory and CPU bound (right kind of scheduling)  workload. We next move on to either read/write separation of the workload or functionality-based sharing so that we still have control of the individual. But this requires lots of planning and change in client systems in terms of knowing where to go/update/read and for reporting applications to “aggregate the data” in an intelligent way. What we ideally need is an intelligent layer which allows us to do these things without us getting into managing, monitoring and distributing the workload. Scalability In the context of database/applications, scalability means three main things Ability to handle normal loads without pressure E.g. X users at the Y utilization of resources (CPU, Memory, Bandwidth) on the Z kind of hardware (4 processor, 32 GB machine with 15000 RPM SATA drives and 1 GHz Network switch) with T throughput Ability to scale up to expected peak load which is greater than normal load with acceptable response times Ability to provide acceptable response times across the system E.g. Response time in S milliseconds (or agreed upon unit of measure) – 90% of the time The Issue – Need of Scale In normal cases one can plan for the load testing to test out normal, peak, and stress scenarios to ensure specific hardware meets the needs. With help from Hardware and Software partners and best practices, bottlenecks can be identified and requisite resources added to the system. Unfortunately this vertical scale is expensive and difficult to achieve and most of the operational people need the ability to scale horizontally. This helps in getting better throughput as there are physical limits in terms of adding resources (Memory, CPU, Bandwidth and Storage) indefinitely. Today we have different options to achieve scalability: Read & Write Separation The idea here is to do actual writes to one store and configure slaves receiving the latest data with acceptable delays. Slaves can be used for balancing out reads. We can also explore functional separation or sharing as well. We can separate data operations by a specific identifier (e.g. region, year, month) and consolidate it for reporting purposes. For functional separation the major disadvantage is when schema changes or workload pattern changes. As the requirement grows one still needs to deal with scale need in manual ways by providing an abstraction in the middle tier code. Using NOSQL solutions The idea is to flatten out the structures in general to keep all values which are retrieved together at the same store and provide flexible schema. The issue with the stores is that they are compromising on mostly consistency (no ACID guarantees) and one has to use NON-SQL dialect to work with the store. The other major issue is about education with NOSQL solutions. Would one really want to make these compromises on the ability to connect and retrieve in simple SQL manner and learn other skill sets? Or for that matter give up on ACID guarantee and start dealing with consistency issues? Hybrid Deployment – Mac, Linux, Cloud, and Windows One of the challenges today that we see across On-premise vs Cloud infrastructure is a difference in abilities. Take for example SQL Azure – it is wonderful in its concepts of throttling (as it is shared deployment) of resources and ability to scale using federation. However, the same abilities are not available on premise. This is not a mistake, mind you – but a compromise of the sweet spot of workloads, customer requirements and operational SLAs which can be supported by the team. In today’s world it is imperative that databases are available across operating systems – which are a commodity and used by developers of all hues. An Ideal Database Ability List A system which allows a linear scale of the system (increase in throughput with reasonable response time) with the addition of resources A system which does not compromise on the ACID guarantees and require developers to learn new paradigms A system which does not force fit a new way interacting with database by learning Non-SQL dialect A system which does not force fit its mechanisms for providing availability across its various modules. Well NuoDB is the first database which has all of the above abilities and much more. In future articles I will cover my hands-on experience with it. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: NuoDB

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  • Unity very slow while Gnome Classic running just fine

    - by Sorin Sbarnea
    I see tons of people complaining about Unity speed and I think the problem is not with the video drivers. When I login to Gnome Classic the system is behaving just fine, but when on Unity I can barely do use it: windows are moved hard, terminal is damn slow. Is there any solution or bug that I should track? Details Ubuntu 11.10 Two monitors setup Latest Nvidia proprietary drivers (tested with default ones also, no change) 6GB RAM, Xeon @ 2.8 Nvidia Driver 280.13 - Quadro NVS 295 with 8 cores 256MB RAM. lspci | grep VGA 02:00.0 VGA compatible controller: nVidia Corporation G98 [Quadro NVS 295] (rev a1) uname -a Linux sorins 3.0.0-16-generic #29-Ubuntu SMP Tue Feb 14 12:48:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

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