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• Êtes-vous plus Eclipse SWT/JFace ou Java FX ? Les choix stratégiques d'Oracle pourraient relancer le débat

  Êtes-vous plus Eclipse SWT/JFace ou Java FX ? Les choix stratégiques d'Oracle pourraient relancer le débat Avant l'arrivée de JavaFX et quand la boîte à outils Swing était largement mise en avant par Sun, la question se posait souvent sur le choix entre Swing et SWT/JFace la boîte à outils fournie par la plateforme Eclipse. Aujourd'hui Swing est en perte de vitesse et Oracle souhaite la remplacer par Java FX. Allons-nous voir apparaître un nouveau dilemme sur le choix de ces boîtes à outils Java pour le développement d'application de bureau ? La rubrique Java de Developpez.com vous propose aujourd'hui de partager votre opinion et votre expérience sur ces deux...

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• Which language to learn C# or Salesforce.com/apex for C++ programmer [closed]

  - by polapts

  Being a C++ programmer with 7-8 years of experience, I wanted to know the market trends. When I searched a little bit I found more jobs with keyword C# than C++ or Java. I am just wondering if it is a good idea to learn C# or Java from a career perspective. Also, I read somewhere about Salesforce/apex. It was mentioned that this is something in vogue. So my question is which technology I should go for C#/Java/Salesforce(Apex) from career perspective? Thanks

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• Can I use Ubuntu One Icons for 3rd party thingy?

  - by Joseph Mills

  So I am wondering what the guide lines are for using Ubuntu One icons as I have heard from a number of people that Ubuntu One has some propitiatory things to it. So I am not sure if I am to use there logo in something like this http://bazaar.launchpad.net/~josephjamesmills/ubuntutv/fan_art/download/josephjamesmills%40gmail.com-20120728145710-sy00cvq1ja8o9qad/ubuntuoneactive.png-20120728145613-jtjdupswpqiocpb2-266/ubuntuone-active.png If That is OK ? I know that this might be a silly question but I do not want to get myself in trouble.Thanks so much for reading this and helping me with a project that helps others ;)

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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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• What caused you to stop using UML tools on your team?

  - by jamie

  There seems to be plenty of good, free UML tools. I hear about UML tools being used by large organizations, and they seem to have plenty of advocates. However, in my career I have never seen them used beyond "dabbling". Now, I have seen many UML diagrams drawn on whiteboards, and I use them myself all the time, on paper, to think about problems. I've also seen articles such as this one claiming why developers don't use UML, but the arguments just don't land with me. Frankly, this seems like an opportunity for a start-up if one can figure out why developers really don't use them, and solve those problems. So I'm asking anyone here who has attempted to use UML tools in a team, and stopped, this question: "why did you stop?" I'm especially interested in experience from agile teams. I am looking for concrete experience, not hypothetical opinion. Thanks.

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• How can I make a collection of mini-games in XNA where the user can download packs of minigames and the main .exe can run them without being altered?

  - by Pyroka

  I'm currently making a PC game in XNA. It's actually a collection of mini-games (there's 3 mini-games at the moment) however I plan to make and add more, in downloadable 'packs'. My question is, what's the best way to achieve this? Currently my thoughts are: Create a 'game' interface Build games to this interface but create them as .dlls Have the main .exe file scan a directory and load in the .dlls at runtime. I've not messed around with the idea much, but I know there are applications at-least that use this plug-in approach (Notepad++ seems to), but I'm not sure of any games that do (although I'm sure they must exist). However it seems that this is a problem that has been solved previously, so I'm wondering if there's any form of established best-practice.

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• Django - how should I implement generic apps that have dependencies on other generic apps?

  - by MikeRand

  Hi all, I'm using Marty Alchin's Django app that creates historical records (add, change, delete) based on models found in other Django apps (found in chapter 11 of Pro Django). Question: how do I implement this historical_records app into my other generic Django apps while still maintaining loose coupling? For example, I have a generic app (forecast) that manages a Forecast (of any other model). For one project, I'd like to use historical_records so that I can track changes to a Forecast instance. But I don't want to require all future projects that might want to use forecast to also use historical_records. Any guidance would be greatly appreciated. Thanks, Mike

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• Running projects from NTFS partition on Ubuntu

  - by the_hamster

  I'm dual booting Windows 7/Ubuntu 12.04. I want to run C++/Java projects from a NTFS partition, where I keep generally all my files and projects. I fiddled with the fstab. One time I removed 'noexec', the other I changed it to 'exec'. After that,each time, I remounted the partition and it still didn't work. I tried using sudo mount -o remount,exec /media/mypartition It didn't work either. There was a somewhat similar question already, but it didn't have the proper answer for me or I didn't know how to make it work(note: I am a total newbie with Ubuntu and Linux in general).

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• What is MVC, really?

  - by NickC

  As a serious programmer, how do you answer the question What is MVC? In my mind, MVC is sort of a nebulous topic — and because of that, if your audience is a learner, then you're free to describe it in general terms that are unlikely to be controversial. However, if you are speaking to a knowledgeable audience, especially an interviewer, I have a hard time thinking of a direction to take that doesn't risk a reaction of "well that's not right!...". We all have different real-world experience, and I haven't truly met the same MVC implementation pattern twice. Specifically, there seem to be disagreements regarding strictness, component definition, separation of parts (what piece fits where), etc. So, how should I explain MVC in a way that is correct, concise, and uncontroversial?

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• Is it a bad idea to get a Master's and Bachelor's Degree from the same university?

  - by sahhhm

  I'm getting close to graduation and am strongly considering continuing to a Master's Program. My long-term goal for the future is to stay in industry rather than pursuing a Ph.D/Academic career. While communicating these thoughts with some of my peers, I've been told that staying in the same University for both a Bachelor's and Master's degree is ill-advisable. The reasons seem to be based along the lines of lack of exposure to other opportunities, programs, and faculty. My question is, if I intend to pursue a career outside of the Ph.D/Academic spectrum, will staying at the same university for my master's really decrease my value in software related positions? If so (or if not), why?

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• What is the right option of programming languages and tools for building our website?

  - by Goma

  We are 3 persons trying to build a large website which will be available in 3 languges. However, we will start with one language and with small idea then we are going to improve it and make it larger! What do you think the best tools and language that we should use? We are caring alot about the speed of loading the pages and tools that provide excellent qulaity with cheaper fees. Edit: We are graphic designers, so we did not choose the programming language yet. But we studied computer science and we have an idea but we found that this is the best place to ask the question and expect the right answer from you. Should we use ASP.NET for example? or PHP? We do not want an expesive option that will cost us alot in the future and we do not want to change the technology at least for the first 5 years. Thanks!

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• wrong SEO result for staging website

  - by OCD

  Hi, We have a domain with URL, lets say: http://www.xxxxstaging.com/abc.php?id=10 which is having a pretty good ranking for some keywords in google. However, this is our staging website and due to some historical reason, it was exposed to public. Now we have a production domain (the one we want to be publicly available), say: http://www.xxxxproduction.com/abc.php?id=10 which have exactly the same html output as xxxxstaging.com our question is, for the exactly same keyword search, it never appear in any page of google. Is it possible for us to "switch" the ranking in google, either tell the robot that they are indeed the same website, or tell google to change it for us? Thank you.

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• When should code favour optimization over readability and ease-of-use?

  - by jmlane

  I am in the process of designing a small library, where one of my design goals is that the API should be as close to the domain language as possible. While working on the design, I've noticed that there are some cases in the code where a more intuitive, readable attribute/method call requires some functionally unnecessary encapsulation. Since the final product will not necessarily require high performance, I am unconcerned about making the decision to favour ease-of-use in my current project over the most efficient implementation of the code in question. I know not to assume readability and ease-of-use are paramount in all expected use-cases, such as when performance is required. I would like to know if there are more general reasons that argue for a design preferring more efficient implementations—even if only marginally so?

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• Abandoment to blame?

  - by Larsenal

  I have a code snippet for an app that users are loading as a 3rd party script on their site. The general sequence is as follows: Site loads "http://www.example.com/foo.js" foo.js does stuff 1 to 2 seconds later, foo.js loads bar.js Now in a perfect world, I'd want to see matching counts for the calls to foo.js and bar.js. However, bar.js loads only about 94% of the time. I'm wondering how much of this discrepancy might be attributable to site abandonment given the fact that bar.js is delayed by 1 or 2 seconds. I posted here instead of StackOverflow since I think it's more a question about what would be typical time on page when users abandon the page.

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• Which folders need to be backedup for migration in Joomla?

  - by Devdatta Tengshe

  I have never used Joomla before, so this might be a noobish question. I have tried searching, but haven't found anything relevant. I'm helping someone update & migrate their old website, built on the Joomla framework. Currently it is running on Joomla 1.5.8 which is an ancient version. I've convinced them to upgrade Joomla to atleast 2.5 I have already taken the database backup. Most links I have seen talk of backing up the entire public_html folder (The website runs on a shared host). But in my fresh Joomla installation there are several folders that are in the public_html folder. So which of the folders in the public_html folder are from the content of the website, and which are of the old Joomla framework? I'm afraid that I might overwrite files of the new Joomla framework with the old framework, if copy all the files and folders into the new installation.

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• Abandoment to blame for the last JavaScript file not always being loaded?

  - by Larsenal

  I have a code snippet for an app that users are loading as a 3rd party script on their site. The general sequence is as follows: Site loads http://www.example.com/foo.js foo.js does stuff 1 to 2 seconds later, foo.js loads bar.js Now in a perfect world, I'd want to see matching counts for the calls to foo.js and bar.js. However, bar.js loads only about 94% of the time. I'm wondering how much of this discrepancy might be attributable to site abandonment given the fact that bar.js is delayed by 1 or 2 seconds. I posted here instead of StackOverflow since I think it's more a question about what would be typical time on page when users abandon the page.

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• How to safely and painlessly switch from Kubuntu to Lubuntu?

  - by cdshines

  I've had Kubuntu installed for several years, updating from one major release to another, and now I think I'd like to try to switch to Lubuntu. But since my distribution is already tuned and shaped to satisfy my needs, I'd like not to get a fresh installation, but just purge kubuntu-desktop and install lubuntu-desktop. But when I execute sudo apt-get install lubuntu-desktop, it gives me an error of the following essence: The following packages have unmet dependencies: lubuntu-desktop : Depends: usb-modeswitch but it is not going to be installed E: Unable to correct problems, you have held broken packages. So, I investigate the modeswitch problem and get The following packages have unmet dependencies: usb-modeswitch : Depends: usb-modeswitch-data (>= 20110227-1~) but it is not going to be installed E: Unable to correct problems, you have held broken packages. But: Reading state information... Done usb-modeswitch-data is already the newest version. So, my question is: what actions should I take in order to obtain a clean and fresh installation of Lubuntu? And also, how do I safely remove all the kubuntu-desktop-related stuff?

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• Update installed on netbook.. now sidebar icons have disappeared! :oS

  - by Lolly Collier

  hope someone can help. I am not extremely computer literate and my brother installed Ubuntu on my Acer net book when my windows crashed irretrievably . I recently (day before yesterday) had a box come up saying an update (i think it was 10 or 11 .something) i followed the instructions to download and install it and now, all my side bar icons have disappeared. I happened upon an Internet connection by chance and have no idea whatsoever how to get them back. This is quite probably a really stupid question and a really easy fix but as i said earlier, i am pretty much a novice, very far from a computer expert! Thanx in advance :o)

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• How to reduce noise in Skype?

  - by tkc

  According to Alsamixer I do have a HDA Intel soundcard with Nvidia MCP77/78 HDMI chip (Realtek sound card on MSI notebook). When I use Skype under Ubuntu 12.04 for video calls, the other side hears background noise such as in Windows when you have your microphone boosted. In fact they can hear everything, even the fans turning on. There is nothing tweaked on Ubuntu's fresh installation. Also tried this site: https://code.launchpad.net/~ubuntu-audio-dev/+archive/alsa-daily/+packages , but there are no *.deb files that I can test if any fix the problem. The question is if there is a way to add/tweak something to enable on software level the noise cancellation like the Windows sound drivers have that option. I use my build in mic.

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• Delete U3 System from SanDisk Cruzer USB Drive [closed]

  - by Petriborg

  Possible Duplicate: How do I get rid of “U3 System” on my USB drive? SanDisk Cruzer come with a "U3" malware built into them. Its intended for windows, but on Ubuntu it shows up as a "U3 System" CD on the desktop and as /dev/scd1 -> sr1 My question - How do I permanently delete this from the device without windows? I'm aware of the windows program, but I don't have access to any, and in any event, I wouldn't want to insert the stick into a windows box because it automatically installs its malware to any windows box comes into contact with! A friend of mine realized you could delete the cdrom via sudo echo "1" > /sys/class/block/srXXX/device/delete But it will come back if you reboot.

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• Multi Column Block Too Narrow in Chrome

  - by aksarben

  My Web site displays song lyrics in a multi-column format, using CSS3. Both Firefox & MSIE 10+ display the multi-column text perfectly, but Chrome does not. This sample page shows the problem: http://www.hymntime.com/tch/test/html5/html5-multicolumn-test.htm The page uses a media selector, so your Chrome window must be at least 1280 pixels wide to see the effect. In fact, if you make the Chrome window less than 1280 pixels, you'll see the lyrics block change to a single column, of the same overall width. In other words, when Chrome shifts to 1-column to 2-column mode (due to the wider browser window), the lyrics block remains the same width, causing text to be squeezed together. Has anyone else seen this behavior, or know a solution? Is this a Chrome bug, or I am I doing something wrong? I posted this question on a Chrome forum a while back, but got no reply.

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• Can't change screen resolution Ubuntu 10.04 (BT)

  - by Universal Coder

  I'm using Backtrack 5 R2 , what is based on Ubuntu 10.04 LTS. It is installed on Samsung Laptop , and default screen resolution in Windows for it is 1366x768 , but BT/Ubuntu Screen Resolution GUI tool (System=Preferences=Monitors) shows that only resolution available is 1024x768 , and called my monitor as "Unknown". Found a solution , that I have to change resolution in /usr/share/xresprobe/xorg.conf , but I did it , logged out/in and restarted many times , but it took me nowhere. Tried with xrandr , but it shows only mentioned 1024x768 as only solution , and when I tried to input needed resolution , but it did not accept it , because it is not available. As much as I googled , there are a lot of people that had similar problems with BT , but most of them solved with VirtualBox additional tools , but it can't help me , because I've installed it as second OS. In one forum read , that same problems is in Ubuntu 12 , so I ask this question here.

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• How to disable Gnome-Shell auto-open in Dashboard

  - by user48027

  I am personalising my Gnome-Shell in Ubuntu 11.10 I would like to disable the feature to open the Gnome's Dashboard when I close the last Window in a Workspace. Edit to clarify: The dashboard is available only in GNOME Shell. The dashboard opens if you press the windows key (aka SUPER) or if you move the mouse to the upper left corner. If you close the last window of a workspace, but there are open windows on other workspaces, the dashboard opens automatically. The latter behaviour is annoying if you do not want to use the dashboard to open new windows or to change workspace. There are many ways to to both (Gnome do, Docky, keyboard shortcuts, clicking on something on the desktop, ...). Edit: There is a related Q&A, which was closed because the asked the same question for Mint: How can I prevent the activity view for opening when I close the last running app?

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• How much do they study in the best universities, relative to the other universities?

  - by Velizar Hristov

  In my university, our total required weekly attendance (for lectures and tutorials/similar) is about 12 hours. It was like that in the first year, and then everything required extremely little effort - I believe that if I invested as much efforts as someone who is studying for medicine or law, I could have learnt everything for 1-2 months - if not less! Now I'm second year and it doesn't look like it's going to be too different. This concerns me about the people who study in Oxford, Cambridge or Imperial College. It would be weird if they study that little, and it would be very concerning if they do study very hard, because this would mean that by the end of the year, their first year students will be better than our average third year student. Which is bad news for me, given that I share the market with them. I know the question can't have an absolutely accurate answer, but it can still be answered quite definitely, and it's relevant to many people.

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• No splash screen on hibernate

  - by Marky

  Hibernate is working fine. A bit slow when resuming from a hibernate but I can bear with it just so that I have all open applications on the desktop as I left it. Then again the "slowness" might be because of the 4GB RAM, although I'm assuming only what is used gets swapped and not the entire memory. Going back, my question is has anyone been able to make Ubuntu show a splash screen or some kind of indicator/progress bar to show while hibernating or while resuming? I remember with SuSE on my HP Compaq Presario notebook it had messages appear during and after. Better than nothing, I guess. Thanks in advance! :D

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