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• Windows: starting sqlplus in new window from cygwin bash

  - by katsumii

  When I start sqlplus, more often than not, I want it to start in new window,whether it be on Linux/Solaris GNOME or Windows.I seldom use GNOME so I never bothered to figure out how.On Windows, one can use Windows menu or Win+R "Run" dialog but I prefer usingbash. Because, this way, I can keep the history in ~/.bash_history file.There are 2 ways. Using cmd.exe or cygstart.For example, to start default sqlplus.exe to connect to default local instance. $ cmd /c "start sqlplus sys/oracle as sysdba" 2nd example. To start sqlplus in 2nd Oracle home and to connect to non-default local instance. $ ORACLE_SID=orcl cygstart /cygdrive/g/app/product/11.2.0.3/dbhome_1/BIN/sqlplus scott I hope this tip helps reducing your DBA time.

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• Pidgin unable to connect to GTalk

  - by user42933

  I can't believe I'm raising this question after years, but after a fresh installation of Ubuntu 12.10, I'm unable to connect Pidgin to Google Talk. I use a Google Apps domain name, and the settings that I'm using are : Protocol : XMPP Username : **** Domain : ********.com Resource : Home In the advanced tab, Connection security : Require encryption. UNCHECK Allow plaintext auth over unencrypted steams Connect port : 5222 Connect sever : talk.google.com File transfer proxies : proxy.eu.jabber.org Bosh URL : (blank) In the proxy tab, No proxy. I had used these same settings on 12.04 and it had worked like a charm. Any help will be appreciated.

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• Recovering user files with a Live CD

  - by user33617

  For some reason my bootup isn't working. I get an error akin to "Operating System Not Found". So I tried bootrepair, and that didn't work. So then I decided I would just save my personal files, wipe everything, and reinstall. Except when I go to the /home directory, my username folder isn't there, instead it goes to the Live CD's desktop and file folders. Is there some other error occurring? Is there a way to recover the files?

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• Quick path jumping

  - by Sebastian P.

  I was just at a lecture, where I noticed the lecturer using a command (probably aliased) to jump to a specific folder. Example: ~/code$ j sciproj ~/projects/sciproj2011/$ This looked quite slick, so I started wondering: Is this a standard utility, and if so, what is the name? I have two theories as to how it works: It can both create, delete and jump to aliases directly from the command-line in the style of the example, without having to set up aliases in a configuration file or script or whatnot manually. It searches the home directory for a folder matching the name and jumps to it. The second option seems a bit slow, however, so the first would be preferred.

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• Handle HTTPS Request in Proxy Server by C#

  - by Masoud Zohrabi

  I'm trying to write a Home Proxy Server in C# and I almost succeeded but I have problem to handle HTTPS requests (CONNECT). I don't know really how to handle this type of requests. In my studies I realized that for this requests we must to connect client to target host directly. Steps for these requests (that I realized): Receive first request from client (CONNECT https://www.example.ltd:443 HTTP/1.1) and send that to target host Send HTTP/1.1 200 Connection Established\r\n\r\n to client Listen to both sockets (client and target host) and send receives from each other to each other Listen until one of sockets disconnected Is this correct? If it is, how?

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• Ubuntu boots into terminal

  - by DKuntz2

  When I turn on my computer (a CR-48), I keep loading tty1. I have tried xstart, and all I get is: Fatal server error: Could not create lock file in /tmp/.tX0-lock When I attempted to make the directory (both sudo and not), I received these two errors: sudo: Can't open /var/lib/sudo/don/tty2: Read-only file system (I've gotten other tty's for different virtual terminals) mkdir: cannot create directory '/tmp/tX0-lock': Read-only file system Before I got to the only terminal state, I had the computer moving a few files from a network server to the computer, I put it to sleep without stopping the transfers, and started the computer again away from my home network, and attempted to stop the transfers, the computer than restarted. Running sudo reboot puts me right back in the virtual terminal, and I can't get into any sort of x application.

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• How do I set Ctrl+Alt+something for Audacious global hokeys?

  - by Jim

  I want to set up global hotkeys in Audacious as follows. When I try and set these up it doesn't allow two mask keys. Ctrl+Alt+Insert for play. Ctrl+Alt+Home for pause. Ctrl+Alt+End for stop. Ctrl+Alt+Page Up for previous track. Ctrl+Alt+Page Down for next track. Ctrl+Alt+Up Arrow for volume up. Ctrl+Alt+Down for volume down. Ctrl+Alt+Left for skip back. Ctrl+Alt+Right for skip forward.

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• Gigaom Article on Oracle, Freescale, and the push for Java on Internet of Things (IoT)

  - by hinkmond

  Here's an interesting article that came out during JavaOne which talks about the Oracle and Freescale partnership, where we are putting Java technology onto the Freescale i.MX6 based "one box" gateway. See: Oracle and Prosyst team up Here's a quote: When it comes to connected devices, there’s still plenty of debate over the right operating system, the correct protocols for sending data and even the basics of where processing will take place — on premise or in the cloud. This might seem esoteric, but if you’re waiting for your phone to unlock your front door, that round trip to the cloud or a fat OS isn’t going to win accolades if you’re waiting in the rain. With all of this in mind, Oracle and Freescale have teamed up to offer an appliance and a Java-based software stack for the internet of things. The first version of the "one box" will work in the connected smart home, but soon after that, Oracle and Freescale will develop later boxes for other industries ranging from healthcare, smart grid to manufacturing. Hinkmond

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• How to automate mysql backups?

  - by Patrick

  hi, I want to automatize the backup of my databases and files with cron. Should I add the following lines to crontab ? mysqldump -u root -pPASSWORD database_name | gzip > /home/backup/database_`date +\%m-\%d-\%Y`.sql.gz svn commit -m "Committing the working copy containing the database dump" 1) First of all, is this a good approach? 2) It is not clear how to specify the repository and the working copy with svn. 3) How can I run svn only when the mysqldump is done and not before ? Avoiding conflicts Any other tip ? thanks

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• How do I make Unity quit opening Firefox under the Shiretoko icon?

  - by Azendale

  I'm using Ubuntu 12.04, and whenever I open Firefox, whether it is from searching on the dash or clicking a 'quick-launch' launcher, it always opens yet another icon for the running instance that is a blank page and says Shiretoko. It will pulse the Firefox icon for a while (I'm guessing until a timeout or something). It's as if Unity no longer recognizes the Firefox process as Firefox and misidentifies it as Shiretoko. (I know Shiretoko was a testing version of Firefox a long time ago.) How do I set Unity straight? I imagine that it has something to do with me once using Shiretoko, but I believe that was even on a different installation, just the same home folder. Is there some place Unity caches this information that I can clear (or remove specific parts of)?

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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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• Weve Moved!

  Ive moved my blog to a new home at http://SilverlightGeek.me.  Within a few days, all the links here should automatically redirect you there. Thanks for sticking with me and I look forward to your feedback.             ( You can also reach the new blog at http://slgeek.com/wordpress )This work is licensed under a Creative Commons license. ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Please help for change wallpaper on terminal where image from http (ubuntu 12.04)

  - by Yan Fachmi

  I need to change the background of my desktop in Ubuntu 12. 04 with a command in terminal, in order to make a script with bash. Does anyone know how to do it? but i want the image from internet... i know if i use local image would like this : gsettings set org.gnome.desktop.background picture-uri file:///home/icorner/wallpaper/curr.jpg but if i use something like this wont work gsettings set org.gnome.desktop.background picture-uri http://www.sergiuhelldragoon.com/wp-content/uploads/2012/04/dota_2_wallpaper_1_1280x800_by_zadelim.jpg Please anyone or somebody?... Thanks & regards, Yan Fachmi

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• Inserting Data into a Microsoft SQL 2008 Database in ASP.NET 3.5

  In the previous article Creating an ASP.NET Dynamic Web Page using a MS SQL Server 2 8 Database GridView Display you learned how to create a dynamic web page that can let the user edit and delete database records directly using a web browser. It was demonstrated with a home renovation project where team leaders can update and delete project tasks online. However it does not include features that let users add or insert new records directly into the database using a web browser. This feature will be covered in this tutorial.... Cloud Servers in Demand - GoGrid Start Small and Grow with Your Business. $0.10/hour

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• Open screen and run some projects and applications

  - by trex

  I am a python web developer, I need to run my local 3-4 django projects in screen sessions and need to launch some of my applications like skype, chrome, eclipse and a text file daily status.txt. Is there any way to write a script to launch all of them by running a shell script only? #!/bin/bash # gnome-terminal -e "screen -dmS myapps" #(Attach following command to one of the screen) cd /var/opt/project1 python manage.py runserver 127.0.0.1:8001 #(Attach another command to one of the screen) cd /var/opt/project2 python manage.py runserver 127.0.0.1:8002 #(Attach another command to one of the screen) cd /var/opt/project3 python manage.py runserver 127.0.0.1:8003 #start my applications eclipse skype gedit "/home/myname/Desktop/daily status.txt" [...] Can one help me to write a shell script to do this.

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• Embeding a generic google search with autocomplete - not a custom site search

  - by picxelplay

  Most people's home page is google.com. My homepage is just a custom html page hosted on my computer. I do this because I am a web developer, and I have several projects that I work on a one time, so I like to have quick links to all of them. On that page I usually just have a Link to google.com for when I want to search. But below all of my quick links, I want to add a google search box (with Autocompletions). I first used a simple iframe to embed google.com into the page, but then my search results were confined to that iframe. I wanted to search for something, then my results would open in a new tab. I then came across this code snippet but it doesn't have Autocompletions: http://www.refactory.org/s/google_search/view/2 How can I add Autocompletions to this? Or is there a better way of doing it? Thanks in advance for any advice

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• What happened to my files?

  - by Ivan Broes

  After a successful upgrade from 11.04 to 11.10 a gradual deterioration occurred -- my laptop became unstable with updates -- I corrected the Aspell file, only to have another appear, I sought but I was blocked out. Had an idea, but resolved one that another problem appeared -- going from bad to worse -- I re-installed windows Vista and Ubuntu 11.10 in the original partitions. Window called it Windows Old and I had no problems recovering my files there - Ubuntu decided it is going to make a new Home directory -- . the questions is where did these files go to after re-installation -- are they deleted? If so That's fine duplicates are in Ubuntu 1 by synchronization - I can only download one file at a time!

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• mount remotely mybook live network drive

  - by bob

  I have a mybook live western digital 1TB hard disk connected to fritzbox 7270 router in office. When I am in the office, I can mount this drive to ubuntu since I have added to the etc/fstab file: //192.168.178.30/user /home/user/DISK cifs auto,iocharset=utf8,user=user%password 0 0 Is there a similar, easy & safe way, to do the same when I am out of the office using the static IP of the fritzbox router? I have already added tcp port forwarding in the router for ports 8080 (to 80 of the disk) and 8443 (to 443 of the disk). Thank you in advance

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• Career Shifters: How to compete with IT/ComSci graduates

  - by CareerShifter

  I am wondering what are the chances of a career shifter (mid 20's), who have maybe 3-6 months programming experience vs. younger fresh IT/Com Sci graduates. You see, even though I really love programming (Java/J2EE), but nobody gives me a feedback when I apply online. maybe because they preferred IT/ComSci graduates vs a career shifter like me.. So can you advice on how to improve my chance on being hired. How can i get a real-job programming experince if nobody is hiring me. I can make my own projects (working e-commerce site blah blah) but it is still different from the real job. And my codes are working but it still needs a lot of improvement and no one can tell me how to improve it because no one sees it (because I'm doing it alone?). Do you know any open source websites (java/j2ee/jee) / online home-based jobs who accepts java/j2ee/jee trainees.. Thank you very much

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• Uses of LINK tag

  - by DisgruntledGoat

  The <link> tag appears to have many uses aside from stylesheets. For example the W3 suggest using it for previous/next/index pages. I know that Opera also has a Navigation toolbar that will show links when present, including Home, Index, Contents, Previous, Next, Copyright, Author and more. (I doubt it is actually used by more than a handful of people.) Are there any other attributes that are useful, or other uses for the ones above? What about SEO benefit?

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• REGISTER TODAY: Oracle Linux and Oracle VM Virtual SysAdmin Day- July 15

  - by Zeynep Koch

  Are you just starting on Oracle Linux or do you still feel you are missing some knowledge on how to configure, install or patch your Oracle Linux? If you answered yes, this event for you. This is our second virtual sysadmin day for Oracle Linux and it had been hugely popular in the past. This is a hands-on experience for all those Sysadmins that are looking for a great training without leaving their office or home. You will learn to: Install Oracle Linux using RPM and yum repositories; create storage volumes, prepare block devices, work with filesystems Create and mount Btrfs in Oracle Linux, work with block devices and snapshots Come and join us on July 15, 9am-12pm Pacific Time for an informative and interactive session. See more details and register 

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• How can a programmer refine their skills in non-visual ways?

  - by Martin Josefsson

  I feel like when I am not writing, I am reading. When I come home from my programming job I write and read software and about software. The problem is though, both reading and writing requires my eyes to be focused. That doesn't work when I'm biking, cooking shopping for groceries. Sometime I use text-to-speech programs to listen to blogs, but I feel like there could be more. What ways can a software developer learn more without requiring eye focus? How to blind coders learn the craft?

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• RTOS experience

  - by Subbu

  I have been working as an embedded software engineer on mostly 8 bit micro-controller firmware and desktop/mobile applications development for the past five years. My work on a WinCE project (in which I got introduced to .NET CF) was short lived. I did use core APIs for interrupt processing, peripheral communication, etc...but again, not exactly a pure RTOS environment. In order to get together more solid experience for growing more in the embedded field, I want to work more with RTOSes. Will buying an evaluation board with an RTOS and putting together a project at home be regarded as a good experience or will an online course be more useful? I am just not clear as to what will be regarded as good experience. Any suggestions or directions will greatly help me. I have a passion for the field but just a need a point in the right direction.

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• Official Ubuntu 10.10 Manual Now Available [Free PDF Download]

  - by Asian Angel

  Do you know someone who is still learning about Ubuntu or is considering trying it out for the first time? Then here is the perfect book to help get them on their way. The Ubuntu Manual Team has recently completed and made available for download their comprehensive 158 page guide on the Ubuntu 10.10 release. If you would like to purchase a regular print copy of the manual click on the left side of the screen (Star Button). For the free PDF version use the right side of the screen (Download Now Button). Download the Getting Started With Ubuntu 10.10 PDF Manual [via Softpedia] Bonus You can also download PDF copies of the manual for Ubuntu 10.04 (First and Second Editions) on the alternate downloads page! Ubuntu Manual Project Alternate Downloads How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• XBMC using a lot of CPU when fullscreen

  - by hafichuk

  I'm just starting to try out XBMC (from the ubuntu repo) and noticed that it's using a lot of CPU when running fullscreen, even when I'm not playing a movie. There's a definite lag even on the home page with the scrolling footer. I've toggled the option to use it in windowed mode and it seems to be a lot more responsive. The footer lag seems to be gone. Does anyone know why this is happening? I would have thought that running fullscreen would have used less resources.

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