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• NetBeans 7.2 RC1 is published

  - by Ondrej Brejla

  NetBeans 7.2 RC1 was today published. You can download it here. You could read about the PHP features added to the NetBeans 7.2 release here on the blog, but the main features added or improved are: Support for PHP 5.4 PHP editing: Fix Uses action, annotations support, editing of Neon and Apache Config files and more Support for Symfony2, Doctrine2 and ApiGen frameworks FTP remote synchronization Support for running PHP projects on Hudson For more information, just look at New and Noteworthy page for NetBeans 7.2. And as obvious you can help us to test the build. Just try it and if you find an issue / error, please report it. Thanks for your help.

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• "Operating system not found" after upgrading to 13.10

  - by Hongbo Zhu

  I own a Thinkpad X121e and I upgraded its Ubuntu from 13.04 64bit to 13.10 64bit using the Update Manager. When the upgrade process suggested to restart the system, I restarted the computer and now it says "Operating system not found" after a very brief splash screen. The splash screen says something like (too brief to see everything): Intel UNDI, PXE-2.0 ... For Atheros ethernet Controller ... Check cable connection! PXE-MOF: Exiting INTEL PXE ROM I prepared a startup USB disk using Ubuntu 13.10. I tried the startup USB and it works very well on other computers. So I changed the booting order of X121e and tried all three USB slots, all said "Operating System not found" without any splash screen. I also tried using startup USB with 12.04 LTS. Same results. I do not really want to reinstall the system now. Any hints on how to proceed?

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• How do I rename a mounted Truecrypt volume?

  - by invert

  When I mount the Truecrypt file on my USB drive it shows up as truecrypt1. The volume is FAT, using mtools to rename a volume label involves e2label /dev/sdbx, however truecrypt1 does not map to a physical partition. fdisk -l does not show the volume partition (only the physical USB device), and df -h lists the volume path as /dev/mapper/truecrypt1. Finally, using the Nautilus 'Rename' context action, gives the error: "Sorry, could not rename "truecrypt1" to "towel": Operation not supported by backend". Apparently this can be done in Win, but how can I rename this volume in Ubuntu? As Nicolas said, specifying the mount point names the partition the same. The truecrypt GUI does not remember the mount point I set, so I specify the mount points in a script which I placed in my main menu. #!/bin/bash gksudo truecrypt /media/usbdrive/encryptedfile /media/securedata/

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• At what point should data be sent back to server?

  - by whamsicore

  A good example would be the stackexchange "rate" button. When a post is upvoted the arrow changes color immediately. However there is a grace period for one to edit one's vote decision (oops! voted by mistake?). Is the upvote action processed immediately or does is only process after a set time period, or when the user leaves the page? How exactly is this rating processed? What is the standard for handling dynamic page edits (e.g. stackexchange rating, facebook posts?)

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• Mercury and Sound Waves [Video]

  - by Jason Fitzpatrick

  In this video a tone generator is used to shoot specific frequencies through a large drop of mercury which results in a wide array of unique shapes and patterns created by standing waves–but really, you need to see it to appreciate it. The experiment, put together by Nick Moore, combines a glass dish, a drop of mercury, and a old tone generator to demonstrate standing waves in 3D. Check out the video above to see the experiment in full speed or hit up his YouTube channel to see a remix with music (and other cool science experiment videos). Mercury Hz [via Mental_Floss] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Unable to enumerate USB device on port 2 when connecting Android phone

  - by ProfessionalAmateur

  I'm running Ubuntu 11.10 (64-bit) as a VirtualBox guest on a Win7 64-bit host. When I plug in my Android Epic4g (Galaxy S) both the host and guest see the device properly, however lsusb does not. When I run dmesg I get the following: [ 361.664219] usb 1-2: new full speed USB device number 79 using ohci_hcd [ 362.428798] hub 1-0:1.0: unable to enumerate USB device on port 2 [ 363.313782] hub 1-0:1.0: unable to enumerate USB device on port 2 I get the same type of dmesg message with the USB 2.0 (ECHI) Controller enabled and disabled for the guest OS. I'm stuck with this one, can anyone help?

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• Is it possible to transfer Google Authorship?

  - by Stephanus Yanaputra

  Is it possible to transfer Google Authorship from one account to another? Scenario: I have user A who is a legitimate Google Author in my WordPress site. When I search the 'keyword' in Google, his name and photo will show up in the search result. One day A left the company, so we don't want to use his name again as an author, and transfer it to another person which is B. Technically speaking, I can just alter the display name and Google+ Profile URL of A to B. And then I probably can notify Google of the changes happening. But what will happen then? Will Google get confused and think that I'm doing scam? Is doing this action even correct in the first place?

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• OSB, Service Callouts and OQL - Part 1

  - by Sabha

  Oracle Fusion Middleware customers use Oracle Service Bus (OSB) for virtualizing Service endpoints and implementing stateless service orchestrations. Behind the performance and speed of OSB, there are a couple of key design implementations that can affect application performance and behavior under heavy load. One of the heavily used feature in OSB is the Service Callout pipeline action for message enrichment and invoking multiple services as part of one single orchestration. Overuse of this feature, without understanding its internal implementation, can lead to serious problems. This post will delve into OSB internals, the problem associated with usage of Service Callout under high loads, diagnosing it via thread dump and heap dump analysis using tools like ThreadLogic and OQL (Object Query Language) and resolving it. The first section in the series will mainly cover the threading model used internally by OSB for implementing Route Vs. Service Callouts. Please refer to the blog post for more details. 

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• Installing Ubuntu on virtualbox with a windows 8 host

  - by ubershmekel

  Installing ubuntu-13.10-desktop-i386.iso gets me to the graphical login screen but after I enter the password I get a black screen. Ctrl-Alt-F2 brings me to a terminal where I can restart lightdm, enter my password again to see another black screen. The screen saver can actually kick into action there and I was told to update packages, but no unity or other ui, just blackenss. The host is windows8-x64 and Virtualbox 4.3.2. I tried installing ubuntu-12.04.3-desktop-i386.iso but that hung during setup. Is there a way to debug? I'm now trying to install Debian to see if that works but wow the network installer takes its sweet time... Update: Debian does work though it gives me a notification that Gnome 3 failed to load. The visual desktop works though so I don't know if there was a substantive problem.

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• Compizconfig Grid doesn't work under Ubuntu as virtual machine

  - by SoftTimur

  I have installed Ubuntu as virtual machine within Mac. I have installed VM tools. The approach in this link of Compizconfig Grid, which worked in my previous laptop where Ubuntu was not a virtual machine, does not work anymore. I set some shortcut, but no action is launched... Does anyone know why? The major functionality I need from Grid is tiling windows to left/right side of the screen... Does anyone know any alternative?

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• Intel prévoit de lancer des smartphones tournant sous Windows 8, contrairement aux voeux de Microsoft

  Intel prévoit de lancer des smartphones tournant sous Windows 8, contrairement aux voeux de Microsoft Juste après avoir annoncé ses profits records pour 2010, Intel a donné quelques informations sur son futur, et une partie de celui-ci sera lié à Microsoft. En effet, Paul Otellini (CEO de la compagnie) a réagit au portage de la prochaine génération de Windows sur la plateforme ARM, action dans laquelle il perçoit des avantages pour sa propre société. "Le plus pour Intel, c'est qu'avec l'unification de leurs systèmes d'exploitation, nous avons désormais pour la première fois avoir un OS tactile pour tablettes compatible avec nos produits. Nous pourrons insérer nos processeurs low-power tournant sous Windows 8 dans des téléphone...

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• After some wired flash out, I can't login to wmii any more, how to fix it?

  - by Zen

  I've been using wmii on Ubuntu14.04(virtual machine on win7) for months. During which, I got pop out to login interface servaral times due to some wired mouse click action. But today, after I met such wired pop out, I can't login to wmii any more. I'll be stuck at the interface like The bottom yellow bar is the command area for wmii. but it has no response when I press Mod + p I restart my machine, and even reinstalled wmii, but everytime when I tried to login wmii, I stuck at that interface. By the way, I login to wmii from the login interface, where I can choose between Gnome and wmii. How to fix this? I'm crying for help! ps: I can login to gnome normally

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• Booting but not rebooting from external USB hard drive, what could be the problem?

  - by user8276

  I have a Dell Inspiron 6400 laptop with a dead internal hard drive controller. It boots perfectly from CD or USB. I therefore removed the internal hard drive and installed Ubuntu 10.10 Maverick onto an external USB hard drive. It boots and runs perfectly when doing a "cold start" of the PC. However, when I choose restart/reboot in the Ubuntu menu (e.g. after an update), I get this error message from the BIOS: "No bootable devices, strike f1 to retry boot, f2 for setup utility, press f5 to run onboard diagnostics". I can make the system boot again by pressing f2 or f5 and exiting the utility without having done anything. Or, I can simply power off the system and do a new "cold start". Does anyone know the likely reason for this problem and how to fix it. It is not a big issue but an annoyance that I would like to fix if possible.

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• How do you show the desktop in a blink in Ubuntu?

  - by e-satis

  We know you can either click on the show desktop icon or use CTRL+ALT+D to ask Ubuntu to show the desktop. Unfortunately, this does not always show the desktop in one action. Sometime, and this is true for at least the last 4 version of the OS, it brings up first to the front all the windows, THEN, with a second click, show you the desktop. This is very annoying, as when you show the desktop it generally to quickly click on a shortcut. To understand what I'm talking about, open 7 windows, minimize some, bring some to the front, maximize one, then show the desktop. Then do that on Windows. You'll see the difference.

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• Update problems due to "installation of packages from not authenticated sources" error

  - by Denis Hoss

  I have some problems updating my Ubuntu Requires installation of untrusted packages The action would require the installation of packages from not authenticated sources. cinnamon gir1.2-muffin-3.0 libgnome-keyring-common libgnome-keyring0 libmuffin0 muffin-common The downloads are from the Main server, the Source code under Ubuntu Software tab is marked Is there something I have missed? The output of sudo apt-get update is: W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6A9653F936FD5529 W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A777609328949509 W: Duplicate sources.list entry http://archive.canonical.com/ubuntu/ oneiric/partner i386 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_oneiric_partner_binary-i386_Packages)

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• Come visit us at OOW 2012 B2B Demo Booth!

  - by Nitesh Jain

  You’re invited to visit us at the Oracle B2B Demo POD at Oracle OpenWorld and JavaOne 2012. Please stop by at our booth to see cool demos on EDI X12, EDIFACT and SBRES (used in Airlines industry). We will also be showing integration with OSB, SOA Suite and BAM. Use this opportunity to see the product in action, learn, and get answers to your questions. We will be happy to meet you and hear about your B2B integration usecases and discuss our roadmap. The demo pod will be available at the Fusion Middleware Demo POD area on Monday, October 1 through Wednesday, October 3, 2012. Look forward to seeing you there! Happy OOW 2012! Ref: https://blogs.oracle.com/SOA/entry/come_visit_us_at_oow

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• Installing Tomcat 7 using apt-get fails

  - by Hendre

  I get the following error when installing Tomcat7: Setting up tomcat7 (7.0.26-1ubuntu1.1) ... chmod: cannot access `/etc/tomcat7/tomcat-users.xml': No such file or directory dpkg: error processing tomcat7 (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Errors were encountered while processing: tomcat7 E: Sub-process /usr/bin/dpkg returned an error code (1) and I get this error when I try to apt-get remove Tomcat7: Removing tomcat7 ... * tomcat7 is not installed invoke-rc.d: initscript tomcat7, action "stop" failed. How do I fix this to install Tomcat 7 correctly?

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• Cannot get Atheros AR9285 to work on 12.10

  - by user100449

  I've already went through all possible advices and still cannot start my Atheros AR9285 wireless card. I have a laptop Toshiba Portege Z830 where the WiFi already worked under Windows 7. But after migration on Ubuntu 12.10. I'm not able get it work. This is what I see on command lshw *-network UNCLAIMED description: Network controller product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:c0500000-c050ffff This is what I see on command rfkill list 0: Toshiba Bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 1: hci0: Bluetooth Soft blocked: yes Hard blocked: no Any idea?

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• Expiring timed actions a good idea?

  - by Bart van Heukelom

  We have an online game where players sometimes have to wait a while (say 30 minutes) before a process they intiated completes. This encourages them to come back later. An example of this is growing crops in Farmville or basically any action in the Sims Play4Free. Now, however, there is the idea to let these processes expire, so if the player doesn't 'reap' them in time (e.g. within 4 hours) they are aborted. I'm a bit sceptical about this. How will this make players come back more often? Is not the reward of reaping the process enough for that? Can we expect players to fit their daily schedule around our game, maybe even set the alarm clock at night? Won't this just cause players to give up on starting these processes in the first place? I realise this may be too subjective for this site, so I'll end with a concrete question: Do (m)any other online free-to-play games employ this technique?

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• Gnome-shell video freeze

  - by josephsmendoza

  So i have a 14.04 Ubuntu Gnome Live USB on my 16GB USB 3.0. It runs fine except sometimes it the screen will freeze, but I know stuff is still happening cause I can hear media playing. I did a little digging and i'm still not sure why, can someone help? Sorry if i don't provide enough details. ubuntu-gnome@ubuntu-gnome:~$ lspci -nnk | grep -iA2 VGA 03:00.0 VGA compatible controller [0300]: NVIDIA Corporation C79 [GeForce 9400}[10de:0867] (rev b1) Subsystem: Apple Inc. iMac 9,1 [106b:00ad] Kernel driver in use: nouveau

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• make a custom apache handler (for multiple php versions)

  - by user10580

  ive succesfully installed php 5.2 and it runs as CGI. ultimatly i want to put something like AddHandler application/x-httpd-php52 in the htaccess file of the dir i want to run it on. however, this only really works in the virtual hosts because i cant wrap my head around how to deifne a custom handler. <FilesMatch "\.php"> SetHandler application/x-httpd-php5 </FilesMatch> ScriptAlias /php52-cgi /usr/lib/cgi-bin/php52-cgi Action application/x-httpd-php5 /php52-cgi AddHandler application/x-httpd-php5 .php How can i do somthing like AddHandler application/x-httpd-php52 in the htaccess?

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• JCP activities at Devoxx 2013!

  - by Heather VanCura

  Devoxx 2013 has officially started! Looking forward to catching up with Java community member friends--old and new this week. Tuesday (today) the Hackergarten has returned to Devoxx!  There are Java EE 7 tables and Java SE 8 Lambda tables.  Kudos to Andres Almirey for organizing the event and to Arun Gupta and Stuart Marks for leading the activities -- awesome Adopt-a-JSR participation in action! Wednesday there is a JCP 'quickie' session How to Participate in the Future of Java Quickie at 13:35-13:50.  We will also have a chat with the OTN team afterward!  Wednesday evening at 21:00, join us for our BOF session with Martin Verburg and Johan Vos: JCP & Adopt-a-JSR Workshop BOF. 

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• How do I reset the default icons from the desktop icons?

  - by Jens Reubsaet

  I know this question sounds cryptic, but what I mean is this: I set different icons for the 'home' and mounted volumes on the desktop, but I want to revert that action. How do I do that? I already tried to do it from the icon selection dialog by clicking revert, but no effect. How do I restore this? (the desktop icons are from the default GNOME Icon Theme but I have the Faience icon theme: these do not really match up). Thanks in advance! I'm running Ubuntu-GNOME 13.04 64-bit (GNOME 3.8.2) I set the icons by right clicking, clicking the icon and selecting it by the dialog.

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• Next Week - OTN Virtual Developer Day - Fusion Development Experience

  - by Shay Shmeltzer

  Don't miss your chance to get free training on Oracle's strategic development platform including Oracle ADF and the rest of Fusion Middleware. On July 10th, we are running a virtual developer conference that you can attend directly from your desktop. We have sessions covering everything from basic ADF topics such as the Controller and ADF Faces to sessions about the latest news in the ADF world including ADF development with Eclipse using OEPE and ADF Mobile for iPhone and Android development. A special track will expose you to ADF connection to the rest of FMW including BPM, WebCenter and BI. During the sessions you'll be able to chat with the presenters, and you can also do a hands-on lab. So sign up today and join us on Tuesday.

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• Recovering a deleted partition

  - by Kishore

  I had a dual boot PC running Ubuntu 12.04 and Windows 7. About a month back, I deleted the Ubuntu partition via the disk management utility (I do not remember whether or not I formatted the partition after performing this action). I ran into some grub issues and used lilo to solve the issue. I followed the simple instructions described in this blog post. I now realize that there were some files in the Ubuntu installation that I need. Of course, I backed up the data, but not this folder apparently. Is there any way to get the data back? I tried following the process suggested on another post on askubuntu (suggesting the use of TestDisk), but was not able to even install TestDisk. The live USB I use is running Ubuntu 12.04 and it does not have a synaptic package manager. Installing from the terminal does not work because even after I type: sudo apt-get update sudo apt-get upgrade the command: sudo apt-get install testdisk fails to work.

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