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  • In C++, is it a reflection of poor software design if objects are deleted manually?

    - by grokus
    With the advent of smart pointers, is it a sign of poor design if I see objects are deleted? I'm seeing some software components in our product that people are still doing this. This practice strikes me as un-idiomatic, but I need to be sure this is the industry consensus. I'm not starting a crusade but it'd be nice to be prepared theory wise. Edit: legit uses of delete, Klaim mentioned the object pool use case. I agree. Bad examples of using delete, I am seeing many new's in constructor or start() and corresponding delete's in the destructor or stop(), why not use scoped_ptr? It makes the code cleaner.

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  • Shut down/log out, me menu absent in panel

    - by Chethan S.
    I upgraded my Lucid installation to Maverick today via an alternate CD. Everything went fine but the shut down icon which provides the options to log out, suspend, hibernate etc. in the top right corner of the panel and the me menu which allows to set chat status are absent! I tried searching for suitable options in 'Add to Panel' but cannot find the exact solution - shut down provides option only to shut down, log out only to log out and so on.

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  • Curser blinking with any change of referesh rate of any window

    - by samer226047
    my problem is my courser is blinking for any windows that refresh. for example right now each litter i write the courser blink for it , well it's acceptable now but imagine what happen when i open facebook (each picture , each simple element in the web page the courser blink for it) , please help me i really want to move to Ubuntu but problems keep get in my way and push me back to windows PC status : Core i5 , 4G ram , Nvidia optimus 310m , 500G HDD. Condition : it was working good with Ubuntu 13.04 but after the ugprade to 13.10 the problem apear and thanks in advance

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  • zfs raidz1-0 corrupted data, all disks are online

    - by gkcr2d2
    My zfs pool "datas" is unavailable but all my disks are online. Do you know how the problem can be fixed? root@oxygen:~# zpool status pool: datas state: UNAVAIL scan: none requested config: NAME STATE READ WRITE CKSUM datas UNAVAIL 0 0 0 insufficient replicas raidz1-0 UNAVAIL 0 0 0 corrupted data scsi-SATA_ST3000DM001-9YN_W1F0LBVX ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0KYX9 ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0LCC8 ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0LBXZ ONLINE 0 0 0

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  • Does the Ubuntu One sync work?

    - by bisi
    I have been on this for several hours now, trying to get a simple second folder to sync with my (paid) account. I cannot tell you how many times I removed all devices, removed stored passwords, killed all processes of u1, logged out and back in online...and still, the tick in the file browser (Synchronize this folder) is loading and loading and loading. Also, I have logged out, rebooted countless times. And this is after me somehow managing to get the u1 preferences to finally "connect" again. I have also checked the status of your services, and none are close to what I am experiencing. And I have checked the suggested related questions above! So please, just confirm whether it is a problem on my side, or a problem on your side. EDIT: In the mean time, here is what has changed, on top of what is mentioned just above. • My files went from 0MB to 71.9MB, and is still rising. • My first folder of 400.2MB is being filled with the data as I write this. The second folder has the folder sub-structure in place. • Both folders now show in the File Browser that it will be synchronized. I believe that right now, it is all back to normal and working fine, and I guess that's what a good night's sleep can do ;). And we're now only back to the point where synchronizing is slow, but will pick up with the release of Natty (https://wiki.ubuntu.com/UbuntuOne/FAQ/WhyIsItTakingSoLongForMyFilesToSync). But to get to the questions: My about says I use 11.04, Natty Narwhal, but I am quite sure the last distribution I installed was 10.10. Folder A is 400.2MB, and Folder B is 29.5MB I am on a DSL line, behind a regular fritz.box setting. No proxy servers in use, and I did not install any particular firewall features. No physical firewall, just the router (on which I have a TV signal as well), and 2 switches to get to this floor. Status: inactive The ubuntuone-indicator runs the same window as when I click on my name on the top-right corner and select Ubuntu one, or in the Control Center choose Ubuntu one. It wasn't supposed to go further than this was it?

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  • Webcast: Oracle's Vision For The Socially-Enabled Enterprise

    - by Michael Hylton
    Smart companies are developing social media strategies to engage customers, gain brand insights, and transform employee collaboration and recruitment. Oracle is powering this transformation with the most comprehensive enterprise social platform that lets you:     Monitor and engage in social conversations     Collect and analyze social data     Build and grow brands through social media     Integrate enterprise-wide social functionality into a single system     Create rich social applications Join Oracle President Mark Hurd and senior Oracle executives to learn more about Oracle’s vision for the social-enabled enterprise.  Click here to register.

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  • Webcast: Oracle's Vision For The Socially-Enabled Enterprise

    - by Michael Hylton
    Smart companies are developing social media strategies to engage customers, gain brand insights, and transform employee collaboration and recruitment. Oracle is powering this transformation with the most comprehensive enterprise social platform that lets you:     Monitor and engage in social conversations     Collect and analyze social data     Build and grow brands through social media     Integrate enterprise-wide social functionality into a single system     Create rich social applications Join Oracle President Mark Hurd and senior Oracle executives to learn more about Oracle’s vision for the social-enabled enterprise.  Click here to register.

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  • Game Editor - When screen is clicked, how do you identify which object that is clicked?

    - by Deukalion
    I'm trying to create a Game Editor, currently just placing different types of Shapes and such. I'm doing this in Windows Forms while drawing the 3D with XNA. So, if I have a couple of Shapes on the screen and I click the screen I want to be able to identify "which" of these objects you clicked. What is the best method for this? Since having two objects one behind the other, it should be able to recognize the one in front and not the one behind it and also if I rotate the camera and click on the one behind it - it should identify it and not the first one. Are there any smart ways to go about this?

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  • How to choose a language, when taking in account the community it includes?

    - by Rick Rhodes
    I was reading the following article: Great Hackers The following part grabbed my attention: "When you choose a language, you're also choosing a community. The programmers you'll be able to hire to work on a Java project won't be as smart as the ones you could get to work on a project written in Python. And the quality of your hackers probably matters more than the language you choose. Though, frankly, the fact that good hackers prefer Python to Java should tell you something about the relative merits of those languages." I would like to apply his advice on a commercial web application I am building (I am a strong believer in culture and community), yet this article was written in 2004, and python has increased in popularity in the recent years. How can I decided a language when taking in consideration its community, rather than the popularity? Any recommendations? Is there any language community that show dedication and passion for developing, rather than learning a language to get a Job and a paycheck?

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  • Find angle for projectile to meet target in parabolic arc

    - by TheBroodian
    I'm making a thing that launches projectiles in 2D. Its projectiles are fired with a set initial velocity, and are only affected by gravity. Assuming that its target is within range, and that there aren't any obstacles, how would my thing find the appropriate angle at which to launch its projectile (in radians)? The equation for this is found here: Wikipedia: Angle Required to Hit Coordinate Sadly, I'm not a physicist (a.k.a. can't read smart people math) and am having a hard time reading its breakdown. If not only for the sake of anybody else that might read this other than myself, would anybody be kind enough to break the equation down into baby words please?

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  • To identify the classes for uml diagrams?

    - by user106535
    I want to implement a software engineering project based on "crime management system". The main modules are: visitors, users, administrator. The main events that are taking place are: registration, report complaint, report crime, report most wanted, view status of reported crime. So could you please help me to identify the classes that are to be used in this project and help me to draw the class diagram?

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  • Oracle Developer Day, Warsaw, March 28th 2012

    - by Ruxandra Radulescu
    Java doesn't begin and end with the server – Java is everywhere. From servers and desktop applications to mobile devices, wireless sensors, smart cards, and TVs, Java is the world's most widely used software development language and platform - the choice of more than 9 million developers worldwide. Learn how Java technology can enrich your development experience at this one day event, on 28th of March 2012 in Warsaw. This event is designed for developers, project managers and architects interested in: Java EE 6 Java FX Java Web Services Oracle ADF and Weblogic Server Oracle SOA, BPM and BAM Network with peers, see cutting edge demonstrations from Oracle experts, and code your way through demo workshops. Here are some interesting hands-on sessions from the agenda: - Rapid Java EE 6 Application Development - What's New in NetBeans IDE 7.1? - Getting Started with Pluggable Desktop Development - Supercharge your productivity in Building Applications with Oracle ADF - Live Demo - Charting with ADF Data Visualization Components - Managing Auctions with Oracle SOA Suite -Live Demo  Register Now

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  • What is the proper SEO way to add and remove links to our site and sitemap?

    - by ElHaix
    As content fluctuates on our site, we will obviously add the titles to the new pages to our sitemap, and link list for search engine indexing. Through time, certain links will become less relevant, and would like to know how to avoid them being crawled. The links themselves may not be removed - but we don't want to dilute the link list with less relevant links as time passes. I'm guessing the status code of the page would change - to what? Should they also removed from the sitemap?

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  • Oracle Exadata???????????????????

    - by takashi.hitomi
    2010?6????????????????????Oracle Exadata??????????????! ???????Oracle Exadata?????? ?????????2010 ???????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????? Oracle?Smart Grid????????Oracle Exadata??????????????????????????? ?21? ??·?????????? ????????????????? ????????????????????????????????????????????????????????????·?·????????????????????????????????????????????? ?????????????????????????????????????????????????????? ????????Oracle Exadata?????????????Oracle Database????????·?????????????? ?????????Update?Get?? Oracle Cloud Computing Summit ~ Database & Exadata Day ~ Oracle Cloud Computing Summit??????1? ????·??????????Oracle????????????????????????? ?????????·?????????????????????????????????·??????????????????????????????????????

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  • Internal HDs that don't contain the OS aren't accessable unless I try to manually browse them

    - by Hrafn
    So I have 4 internal hard drives, one that contains the OS (Ubuntu 12.04), all ext4. After starting the computer up, and without having tried to access the drives (File manager, terminal etc) it seems like the drives haven't been mounted. If I go into the "Disks" utility I see that the disks haven't been mounted. Programs that try to access the HD's during startup throw an error. For example my music player can't find the library, my note taking software can't find the database etc. But after opening the drive in a file manager everything works. I've checked SMART on all the disks and everything is a ok. Any and all ideas would be appreciated.

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  • SSC Clinic: Can Implementing "Optimize for Ad Hoc Queries" Boost Performance for the SQLServerCentral.com and Simple-Talk.Com SQL Servers?

    With the introduction of the instance-level option “optimize for ad hoc workloads” in SQL Server 2008, DBAs have a tool to deal with a problem known as plan cache pollution, or plan cache bloat. It’s often caused when one-time use ad hoc queries are sent to SQL Server from Object-Relational Mapping (ORM) solutions, such as LINQ, NHibernate, or Entity Framework. The problem can prevent SQL Server from using its available memory optimally, potentially hurting performance. Get smart with SQL Backup ProGet faster, smaller backups with integrated verification.Quickly and easily DBCC CHECKDB your backups. Learn more.

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  • Will duplicate international (i18n) content hinder SEO rankings?

    - by Rhys
    Google clearly states that duplicate content within a single, or multiple, domains is not advised. This is understood, but I am not sure of any exceptions for sites with region-specific content that is often replicated across locales. For example, a site's /en-us/about page could be identical to /en-uk/about, whereas most likely /en-ja/about is unique. Are GYM smart enough to understand that the initial URL depth is a locale specifier? Is there any robots.txt or header, etc, trickery that I should include to outline the site's international structure?

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  • zfs raidz1-0 corrupted data, all disk are online

    - by gkcr2d2
    my zfs pool "datas" is unavailable but all my disk are online, Do you know how the problem can be fixed? Thank you for your help. root@oxygen:~# zpool status pool: datas state: UNAVAIL scan: none requested config: NAME STATE READ WRITE CKSUM datas UNAVAIL 0 0 0 insufficient replicas raidz1-0 UNAVAIL 0 0 0 corrupted data scsi-SATA_ST3000DM001-9YN_W1F0LBVX ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0KYX9 ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0LCC8 ONLINE 0 0 0 scsi-SATA_ST3000DM001-9YN_W1F0LBXZ ONLINE 0 0 0

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  • Oracle's Vision for the Social-Enabled Enterprise - Partner Webcast. September 10th

    - by Richard Lefebvre
    Smart companies are developing social media strategies to engage customers, gain brand insights, and transform employee collaboration and recruitment. Oracle is powering this transformation with the most comprehensive enterprise social platform that lets you: Monitor and engage in social conversations Collect and analyze social data Build and grow brands through social media Integrate enterprisewide social functionality into a single system Create rich social applications Join Oracle President Mark Hurd and senior Oracle executives to learn more about Oracle’s vision for the social-enabled enterprise. Register now for this Webcast.  - Mon., Sept. 10, 2012 - 10 a.m. PT / 19:00 CET

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  • Nimbuzz buzzes up their new users with Java ME tech

    - by hinkmond
    Nimbuzz is registering mobile users in the tens of millions now. It's partly because they rely on Java ME technology. Smart move! See: Nimbuzz buzzes w/Java ME Here's a quote: Nimbuzz allows users to meet, share and connect with family and friends, and is available across platforms such as [blah-blah-blah], BlackBerry and J2ME, as well as [yadda-yadda- yadda]... It's good to go with Java ME to get that sheer volume on handsets. Also helps to have "buzz" in your product name! Hinkmond

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  • PHP OOP: Am i following right way?

    - by sineverba
    I'm learning OOP (PHP). I've realized my own CRUD Class, that performs some kind of queries SQL. Btw, a Gasoline asked us to realize a smart, simple web-app where he can update prices of his gasoline (gasoline, diesel, lpg) and via an API i could recall them and display in his site. So, I did create a new Class Gasoline but it perform some methods of CRUD Class public function getPrezzoBenzina($id) { $prezzo_benzina = $this->distributore->sql('SELECT prezzo_benzina FROM prezzi WHERE id = '.$id); return $prezzo_benzina } And so on (code is pseudocode, just to explain). I could perform all my code only with help of Crud Class... without necessity of Class Gasoline. So, what I'm missing about OOP? Where am I wrong?

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  • Why does the Git community seem to ignore side-by-side diffs

    - by Kyle Heironimus
    I used to use Windows, SVN, Tortoise SVN, and Beyond Compare. It was a great combination for doing code reviews. Now I use OSX and Git. I've managed to kludge together a bash script along with Gitx and DiffMerge to come up with a barely acceptable solution. I've muddled along with this setup, and similar ones, for over a year. I've also tried using the Github diff viewer and the Gitx diff viewer, so it's not like I've not given them a chance. There are so many smart people doing great stuff with Git. Why not the side-by-side diff with the option of seeing the entire file? With people who have used both, I've never heard of anyone that likes the single +/- view better, at least for more than a quick check.

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  • No HDD shows up during install 12.04 on Lenovo U410

    - by varunthacker
    I tried installing Ubuntu 12.04 on my Lenovo U410 laptop. When I launch installation no partitions shows up. The U410 has 2 HDDs. 32 GB SSD on /dev/sda and a 500 HDD on /dev/sdb Ideally I would like to install Ubuntu on the 32GB SSD and keep Windows on the 500 GB one and not use the Intel Smart Response Technolog. I'm ok with flashing my drive and starting from scratch with this. Or do you'll have any better suggestions on how to go about partitioning my drive and how to do it?

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  • Communications: Customer Experience

    - by Michael Seback
    What might a new customer experience look like in Communications? Could a customer research comments from social networks, buy online and be geo directed to a nearby store to pick up the device?  Could the customer be contacted proactively that he is approaching a data threshold for a smart phone and be offered value added options to manage usage? Could the customer upgrade video features interactively and leverage loyalty points for payment? Watch this short Communications Customer Experience story to see a scenario that addresses these challenges and many more.   Learn about the Oracle Customer Experience and Oracle Communications.

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  • Online Businesses Using SEO

    The competition in the market nowadays is very tough because most of the company want to earn and improve their economic status. With the global crisis that we all are experiencing it would be hard to meet the target that you are aiming for your company. However, though it may be a tough competition to face there are still available methods that you can do to increase your income.

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