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• List of Application indicators

  - by user8592

  I installed Ubuntu 11.04 on one of my systems and I am using Unity interface. Unity is working quite nice so far but i really miss panel applets for net speed, cpu temp, and system monitor. These applets show useful quickinfo. Unlike 10.10, there is no other way to get these infos onto the panel or unity launcher. There are solutions like screenlets and conky but they don't feel appropriate for a clean desktop look. If you know then please list out any third party indicators with links so that they can be found at one place.

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• UbuntuStudio 12.04 does not boot after install - no "intrd" image

  - by user72705

  After installing Ubuntu Studio 12.04 from DVD onto the fourth hard disk, it fails to boot, even when explicitly choosing the fourth hard disk as the boot device. I have SUSE 11.2 on the first 2 SCSI disks (which form a RAID) and Studio64 on the 1st IDE disk (that is, the third disk). Looking at the /boot directory on the Ubuntu partition, I see there is no initrd image. Editing the GRUB configuration file to include (hd3,1)/vmlinuz and of course (hd3,1)/initrd should fix the problem. But still GRUB gives a file not found error. This appears to me that, no mkintrd during the booting process (checked with LiveCD) runs like in OpenSUSE. How do I create the initrd to make Ubuntu bootable.

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• Access Token Verification

  - by DecafCoder

  I have spent quite a few days reading up on Oauth and token based security measures for REST API's and I am currently looking at implementing an Oauth based authentication approach almost exactly like the one described in this post (OAuth alternative for a 2 party system). From what I understand, the token is to be verified upon each request to the resource server. This means the resource server would need to retrieve the token from a datastore to verify the clients token. Given this would have to happen upon every request I am concerned about the speed implications of hitting a datastore like MySQL or NoSQL upon every request just to verify the token. Is this the standard way to verify tokens by having them stored in a RDBMS or NoSQL database and retrieved upon each request? Or is it a suitable solution to have them cached (baring in mind that we are talking millions of users)?

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• Multiple vulnerabilities in libexif

  - by Umang_D

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-2812 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 6.4 libexif Solaris 11 11/11 SRU 12.4 CVE-2012-2813 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 6.4 CVE-2012-2814 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 7.5 CVE-2012-2836 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 6.4 CVE-2012-2837 Numeric Errors vulnerability 5.0 CVE-2012-2840 Numeric Errors vulnerability 7.5 CVE-2012-2841 Numeric Errors vulnerability 7.5 CVE-2012-2845 Numeric Errors vulnerability 6.4 This notification describes vulnerabilities fixed in third-party components that are included in Oracle's product distributions.Information about vulnerabilities affecting Oracle products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• enable iptables firewall on linux

  - by user13278061

   Here is a very basic set of instruction to setup a simple iptables firewall configuration on linux (redhat) Enable firewall log as root thenenter the following command, it launch a text gui #> setup first screen: Choose firewall configuration second screen: choose "Enabled" then "Customize" third screen: select you interface in "Trusted Devices", select "Allow Incoming" for "SSH" "Telnet" "FTP" (add eventually other ports, then press "OK" (2 times, then "Quit") At that point the firewall is enabled. You can start/stop/monitor using service iptables start/stop/status Change timeout to changed the tcp established connection timeout #> echo 120 >    /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_timeout_established Monitor connection in iptables tables for example if you want to track a connection establish from a host  152.68.65.207 #> cat /proc/net/ip_conntrack |grep 152.68.65.207

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• Should an image be able to resize itself in OOP?

  - by ChocoDeveloper

  I'm writing an app that will have an Image entity, and I'm already having trouble deciding whose responsibility each task should be. First I have the Image class. It has a path, width, and other attributes. Then I created an ImageRepository class, for retrieving images with a single and tested method, eg: findAllImagesWithoutThumbnail(). But now I also need to be able to createThumbnail(). Who should deal with that? I was thinking about having an ImageManager class, which would be an app-specific class (there would also be a third party image manipulation reusable component of choice, I'm not reinventing the wheel). Or maybe it would be 0K to let the Image resize itself? Or let the ImageRepository and ImageManager be the same class? What do you think?

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• How can you identify duplicate CSS rules?

  - by DanMan

  I'm not talking about used/unused here. I have two stylesheets and some rules differ (either in selectors, rules or both) and some are exactly the same. So I'm looking for a way to extract and move those rules, which are the same in both files, into a third stylesheet. In other words: an intersection of two stylesheets. Strangely, I couldn't find a software for this. Would have expected this to be a more common problem. Background, for those who care: I'm converting a desktop website into a mobile one and I've started by duplicating the desktop stylesheet and changing it (throwing stuff out, adding to it).

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• Trouble with FGLRX in quantal x86_64

  - by Dii Leoo

  it's the third time i have to reinstall quantal because the fglrx is making me sick. I have an ATI Mobility Radeon HD 4250 (the code ir RS880).When i install Ati Driver, i don't have any problems, but when i reboot, the resolution is minimal and the launcher isn't visible, i can only use the things that are in desktop and use the terminal using CTRL+ALT+T. i've tried to make specific distribution page, downloading the legacy driver from AMD, and another thing: when i had 12.04 jockey told me that i could install some drivers, i had trouble, but that doesn't matter. now, the option to install drivers doesn't tell me about any drivers, i mean, its blank. At the moment i'm using the free drivers (Gallium 0.4 on AMD RS880M. is there any alternative ? or i'll have to live with the free drivers ? Thanks a lot ! I KNOW I HAVE TO INSTALL LEGACY DRIVERS, I'VE INSTALLED THEM, THEY DON'T WORK.

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• Multiple vulnerabilities in Pidgin

  - by RitwikGhoshal

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2010-4528 Improper Input Validation vulnerability 4.0 Pidgin Solaris 10 SPARC: 147992-02 X86: 147993-02 CVE-2011-1091 Denial of service(DOS) vulnerability 4.0 CVE-2011-2943 Denial of service(DOS) vulnerability 4.3 CVE-2011-3184 Resource Management Errors vulnerability 4.3 CVE-2011-3185 Improper Input Validation vulnerability 9.3 CVE-2011-4601 Improper Input Validation vulnerability 5.0 CVE-2011-4602 Improper Input Validation vulnerability 5.0 CVE-2011-4603 Improper Input Validation vulnerability 5.0 CVE-2011-4922 Information Exposure vulnerability 2.1 CVE-2011-4939 Permissions, Privileges, and Access Controls vulnerability 6.4 CVE-2012-1178 Resource Management Errors vulnerability 5.0 This notification describes vulnerabilities fixed in third-party components that are included in Oracle's product distributions.Information about vulnerabilities affecting Oracle products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Does the .biz internet top-level domain deserve to be taken seriously?

  - by CrazyJugglerDrummer

  .com is the most preferable TLD most of the time, so many people choosing domain names have to pick between desiredname.something_else or totallydifferent.com. From wikipedia: The biz TLD was created to relieve some of the demand for domain names in the com top-level domain, and to provide an alternative for businesses whose preferred domain name in com had already been registered by another party. .org at least implies an organization, whereas .com is the most generic 'commercial'. But .biz seems like a total duplicate that doesn't seem in widespread use <pun>and deserves to be closed. </pun>. Does .biz have any advantages over .com? Are .biz domains worth registering if .com is already taken?

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• Reduced Tree View in NetBeans IDE 7.2

  - by Geertjan

  Right-click within the Projects window in NetBeans IDE 7.2 and from the "View Java Packages As" menu, you can now choose "Reduced Tree".I never really understood the difference between "Reduced Tree" and the already existing "Tree". But it makes sense when you see it. Here's Reduced Tree view: And here's Tree view, where you can see that the "actions" and "nodes" packages above each have their own top level package nodes, which takes up more space than the above: What's cool is that your selected package view is persisted across restarts of the IDE. To be complete, here's the List view, which is the third option you have in the "View Java Packages As" menu: Seems to me like the new Reduced Tree view combines the best of the Tree view with the best of the List view! Related issue: http://netbeans.org/bugzilla/show_bug.cgi?id=53192

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• Ask the Readers: What Are Your Must Have Presentation Tools?

  - by Jason Fitzpatrick

  Giving a presentation, be it in front of the Board of Directors or a roomful of students, has come a long way from paper handouts and poster boards. This week we want to hear about your must-have presentation tools. Whether your must-have tool is a piece of hardware, an application, or a web-based tool, we want to hear all about it. Sound off in the comments with your favorite presentation tool and how it helps you present better. Make sure to check back in on Friday for the What You Said roundup to scope out your fellow readers’ tips and tricks. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• How do I sort account names alphabetically in Thunderbird?

  - by Sri

  I just upgraded to Ubuntu 12.04 and Thunderbird 13.0.1. I had 2 accounts earlier in Thunderbird: [email protected] [email protected] I also had another account on SeaMonkey: [email protected] which I imported into Thunderbird. Now the account order I want is: [email protected] [email protected] [email protected] but it shows: [email protected] [email protected] [email protected] I couldn't find any option in Thunderbird to sort them as I want. I came across a 3rd party extension but I avoid using such extensions. Is there any other way this can be done?

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• Logic - Time measurement

  - by user73384

  To measure the following for tasks- Last execution time and maximum execution time for each task. CPU load/time consumed by each task over a defined period informed by application at run time. Maximum CPU load consumed by each task. Tasks have following characteristics- First task runs as background – Event information for entering only Second task - periodic – Event information for entering and exiting from task Third task is interrupt , can start any time – no information available from this task Forth task highest priority interrupt , can start any time – Event information for entering and exiting from task Should use least possible execution time and memory. 32bit increment timer available for time counting. Lets prepare and discuss the logic, It’s OK to have limitations …! Questions on understanding problem statement are welcome

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• Sharing object between 2 classes

  - by Justin

  I am struggling to wrap my head around being able to share an object between two classes. I want to be able to create only one instance of the object, commonlib in my main class and then have the classes, foo1 and foo2, to be able to mutually share the properties of the commonlib. commonlib is a 3rd party class which has a property Queries that will be added to in each child class of bar. This is why it is vital that only one instance is created. I create two separate queries in foo1 and foo2. This is my setup: abstract class bar{ //common methods } class foo1 extends bar{ //add query to commonlib } class foo2 extends bar{ //add query to commonlib } class main { public $commonlib = new commonlib(); public function start(){ //goal is to share one instance of $this->commonlib between foo1 and foo2 //so that they can both add to the properites of $this->commonlib (global //between the two) //now execute all of the queries after foo1 and foo2 add their query $this->commonlib->RunQueries(); } }

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• Creating a game engine in C++ and Python - Where do I start? [closed]

  - by Peter

  Yes, you read correctly, how does humble ole Peter here make an engine using the 2 languages he's proficient in to an extent. I have more than enough time and wish not to use any 3rd party "stuffs" (engine parts like methods, classes etc etc, fully from scratch). If anyone could PLEASE explain how this is done then i will love you forever. Thanks for reading, hoping for some productive answers. Thankyou very much. EDIT: Re read what i've said for the 4th time, forgot to mention; 2D sprite based, with voxels and physics. :D

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• Ubuntu 14.04 LTS AMD64 randomly uninstals packages / applications

  - by Jacob Lindeen

  I am having a strange issue. Occasionally when installing new packages, I will get a system crash notification which I will report. The environment then becomes unstable, unity crashes and all open windows, loose title bars, and the main launcher shuts down. I usually have to run the command unity --replace to restore functionality, but ultimately end up having to reboot. Upon booting back up I find all of my user-installed packages are gone and I have to reinstall them via apt. Please tell me someone else is having this issue, because this is the second system and third install I have had this issue on.

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• Script or bat that will make shortcuts

  - by user227056

  I want to make bat (windows) file that will move * files from desktop to x folder and then make shortcuts on the desktop (they must be linked to files in x folder). So: the problem is: There is no way to make shortcut using bat. Only using third-party applications... Or/and using scripts. I need the program/script... that will get their adress, link shortcut to every single file (...\x\s.exe, desktop\s.lnk; ...\l.txt, desktop\l.lnk)...

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• First Steps. Windows Phone game development

  - by anatoliiG

  I'm pretty new in game development. Have a couple ideas wich could be cool. First that comes to mind is to develop a 2D game (kinda puzzles) for Windows Phone Mango. You may ask: "Why Windows Phone?". I answer - I've got solid experience in Silverlight and C#. For me, this is a major advantage compared to other platforms. Please, give advice and suggestions about: What should I read? Best practices. Third party libraries. Silverlight(Only) vs XNA. Whatever I should pay attention to.

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• How to Identify and Backup the Latest SQL Server Database in a Series

  I have to support a third party application that periodically creates a new database on the fly. This obviously causes issues with our backup mechanisms. The databases have a particular pattern for naming, so I can identify the set of databases, however, I need to make sure I'm always backing up the newest one. Read this tip to ensure you are backing up your latest database in a series. Is your SQL Database under Version Control?SSMS plug-in SQL Source Control connects SVN, TFS, Git, Hg and all others to SQL Server. Learn more.

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• VB 2010 LOGIN 3-TIMES LOOP [migrated]

  - by stargaze07

  How to put a loop on my log in code it's like the program will end if the user inputs a wrong password/username for the third time? At this point I'm having a hard time putting the loop code. This is my LogIn Code in VB 2010 Private Sub btnLogIn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogIn.Click Me.Refresh() Dim login = Me.TblUserTableAdapter1.UsernamePasswordString(txtUser.Text, txtPass.Text) If login Is Nothing Then MessageBox.Show("Incorrect login details", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) Else Dim ok As DialogResult ok = MessageBox.Show("Login Successful", "Dantiña's Catering Maintenance System", MessageBoxButtons.OK, MessageBoxIcon.Information) MMenu.Show() MMenu.lblName.Text = "Welcome " & Me.txtUser.Text & " !" If txtPass.Text <> "admin" Then MMenu.Button1.Enabled = False ProdMaintenance.GroupBox1.Visible = True MMenu.Button2.Enabled = True MMenu.Button3.Enabled = True MMenu.Button4.Enabled = True Else MMenu.Button1.Enabled = True ProdMaintenance.GroupBox1.Visible = True MMenu.Button2.Enabled = True MMenu.Button3.Enabled = True MMenu.Button4.Enabled = True End If Me.Refresh() Me.Hide() End If End Sub

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• How can I design multi-threaded application for larger user base

  - by rokonoid

  Here's my scenario, I need to develop a scalable application. My user base may be over 100K, every user has 10 or more small tasks. Tasks check every minute with a third party application through web services, retrieving data which is written in the database, then the data is forwarded to it's original destination. So here's the processing of a small task: while(true){ Boolean isNewInformationAvailable = checkWhetherInformationIsAvailableOrNot(); If(isNewInformationAvailable ==true){ fetchTheData(); writeToDatabase(); findTheDestination(); deliverTheData(); isAvailable =false; } } As the application is large, how should I approach designing this? I'm going to use Java to write it. Should I use concurrency, and how would you manage the concurrency?

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• GlassFish Community Event @ JavaOne - Save the date!

  - by alexismp

  The interest for having a GlassFish community event at JavaOne is still very strong both inside Oracle and in the community, so this year again we'll be hosting a get together on the Sunday prior to the main event. If you're in town and attending JavaOne, mark your calendars : Sunday 2nd, October 2011 - 12:30pm-4:30pm in the Moscone This will be an opportunity to discuss the community status (adoption of Java EE 6, GlassFish 3.1.x) and hear about future plans, mainly around Java EE 7 and the related GlassFish release(s). We'd also like to have several participants share their deployment stories as well as some time for an free-form unconference format and some team building activity. Of course, beyond all the content shared in slides, this should really also be a good excuse to meet folks from the community and from the core GlassFish team at Oracle. Here's a post on last year's event. And before anybody asks, we are still exploring the party situation :-)

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• Erratic display behaviour on 12.04 using an Asus Zenbook

  - by Azarias R

  When I first plugged in my 23 inch monitor through the mini-VGA port, everything worked...both display were detected, and worked. On the second or third plug in, the internal display would turn off, and only the external display would work. When I try to 'detect monitor', I got "could not set the configuration for crtc 63" a few times. Now, when I plug in the external display, I get a screen full of orange color on the external display, and the laptop display turns off. The only way to get things back is to force turn off the laptop and restart. Unplugging/replugging monitor doesn't work, and seems like ubuntu crashes. Can anyone help?

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• Java EE/GlassFish@Java2Days

  - by reza_rahman

  Java2Days 2012 was held in Sofia, Bulgaria on October 25-26. This was the third installment of the premier Java conference for the Balkan region, having three separate tracks for Java, the Cloud and Mobile. It attracted over a thousand enthusiastic, bright young developers and a number of world class speakers. There were no less than three full-house sessions on Java EE/GlassFish - one on Java EE 7, one on Domain-Driven Design using Java EE 6 and one on JSR 356/WebSocket. More details on Java EE/GlassFish@Java2Days, including slides and code examples, posted here.

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