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• How to Integrate Backbone.js with RESTful Web Services in 5 Minutes!

  - by Geertjan

  In NetBeans IDE 7.3, a Backbone.js file can be generated from a Java RESTful web service. The Backbone.js file contains complete CRUD functionality and your HTML5 application can immediately be deployed to make use of those features. Coupled with the NetBeans IDE two-way editing support for HTML5, via interaction with WebKit in Chrome, Backbone.js users have a completely new and powerful tool for coding their HTML5 applications. The above is illustrated via the brand new YouTube movie below: This makes NetBeans IDE 7.3 well suited as a learning tool for new Backbone.js users, as well as a productivity tool for those who are comfortable with Backbone.js already.

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• Sticky Seesmic Desktop Plugin

  Ive created a simple plugin named Sticky for Seesmic Desktop that I am sharing. Seesmics Desktop Platform enables software developers to enhance the Seesmic Desktop application pretty easily, since is is built upon Silverlight 4 and uses MEF. Feel free to use this plugin as you like. It is a simple plug in that, shows information about the Twitter user right inline with the Tweet. This post will explain what the Sticky plugin does and of course Ill share the plugin with you. Ill follow up with...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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• Passing functions into other functions as parameters, bad practice?

  - by BlueHat

  We've been in the process of changing how our AS3 application talks to our back end and we're in the process of implementing a REST system to replace our old one. Sadly the developer who started the work is now on long term sick leave and it's been handed over to me. I've been working with it for the past week or so now and I understand the system, but there's one thing that's been worrying me. There seems to be a lot of passing of functions into functions. For example our class that makes the call to our servers takes in a function that it will then call and pass an object to when the process is complete and errors have been handled etc. It's giving me that "bad feeling" where I feel like it's horrible practice and I can think of some reasons why but I want some confirmation before I propose a re-work to system. I was wondering if anyone had any experience with this possible problem?

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• Wine throwing errors since going to 13.10

  - by serilain

  After upgrading to Ubuntu 13.10, running any program in Wine produces the following errors (via CLI): wine: Unhandled page fault on read access to 0x00000000 at address (nil) (thread 000f), starting debugger... wine: Unhandled page fault on read access to 0x00000000 at address (nil) (thread 0014), starting debugger... wine client error:14: write: Bad file descriptor err:wineboot:start_services_process Unexpected termination of services.exe - exit code -1073741819 (These also generate two popup windows saying that an undefined application has crashed). After this, the program I was trying to run in the first place executes as normal. Any idea how to fix this?

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• Russian Hydrodynamic Modeling, Prediction, and Visualization in Java

  - by Geertjan

  JSC "SamaraNIPIoil", located in Samara, Russia, provides the following applications for internal use. SimTools. Used to create & manage reservoir history schedule files for hydrodynamic models. The main features are that it lets you create/manage schedule files for models and create/manage well trajectory files to use with schedule files. DpSolver. Used to estimate permeability cubes using pore cube and results of well testing. Additionally, the user visualizes maps of vapor deposition polymerization or permeability, which can be visualized layer by layer. The base opportunities of the application are that it enables calculation of reservoir vertical heterogeneity and vertical sweep efficiency; automatic history matching of sweep efficiency; and calculations using Quantile-Quantile transformation and vizualization of permeability cube and other reservoir data. Clearly, the two applications above are NetBeans Platform applications.

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• Blank desktop after login

  - by Alex

  Today my 14.04 updated itself not requiring a reboot. After a while I rebooted because of other reasons and then I was pleasantly surprised by a blank screen. I have tried everything I could think about including Reinstalled compiz, unity, ubuntu-desktop, xorg Reinstalled and then removed the nvidia driver So far nothing has worked. Except for one little thing: my cairo-dock is showing. And that's all. I tried with Unity doesn't load, no Launcher, no Dash appears, but none of the answers there helped me. I also tried removing my ~/.Xauthority file and it still doesn't work. Does anybody know what else I could try? UPDATE: sudo dpkg-reconfigure xserver-xorg sudo service lightdm stop sudo service lightdm start When I run that code and then login again the icons on the desktop are displayed but the menu and the launcher are still not there. Also, when I try to run an application from CTRL + ALT + F1 such as dconf reset -f /org/compiz/ it says Cannot autolaunch D-Bus without X11 $DISPLAY I can only run applications with export DISPLAY=:0

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• Requirement, architecture data capture tool

  - by Deno

  Are there any tools available for the following use case: I am planning to write a complex application and now I just know about the basic functional requirments. I am refining the functionality with more and more details. I am also writing down how to implement this in software architecture perspective. I am in a situation where there are multiple ways implement a certain functionality and based on the selected approach, other parts of the program will also change. At this moment, I don't want to decide on the approach to use, I just want to list down all the options, present to a wider audience and get it finalized. Are there any standard software tools to do this? I know I can use MS excel or some mind mapper tools, but just thinking of some standard tools (not just for programmers, but for managers and other) availability Thanks, Den

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• How to start embedded development for developing a handheld game console?

  - by Quakeboy

  I work as a iPhone app developer now, so I know a bit of c, c++ and objective c. Also have fiddled with Java and many other. All of them have been just high level application/games development. My final goal is to make a handheld game console. More like a home made NES/SNES handheld console or even an Atari. I have found out about RaspberryPI and Arduino. But I need more information about how to approach this. 1) How Do I learn to pick the best board/cpu/controller/GPU/LCD screen/LCD controller etc? 2) Will learning to make a NES emulator first help me understand this field? If so are there any tutorials?

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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 to write loosely coupled classes in node.js

  - by lortabac

  I am trying to understand how to design node.js applications, but it seems there is something I can't grasp about asynchronous programming. Let's say my application needs to access a database. In a synchronous environment I would implement a data access class with a read() method, returning an associative array. In node.js, because code is executed asynchronously, this method can't return a value, so, after execution, it will have to "do" something as a side effect. It will then contain at least 1 line of extraneous code which has nothing to do with data access. Multiply this for all methods and all classes and you will very soon have an unmanageable "code soup". What is the proper way to handle this problem? Am I approaching it the wrong way?

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• Epitech Nancy signe un partenariat avec Intel et crée un laboratoire de technologies mobiles qui planche sur un App Inventor français

  Epitech Nancy signe un partenariat avec Intel Et crée un laboratoire de technologies mobiles qui planche sur un MIT App Inventor français L'école Epitech Nancy a signé durant l'été 2012 un partenariat avec Intel. La première application de cette union est la création d'un laboratoire orienté vers les technologies mobiles. Ce laboratoire aura pour but de fournir une aide aux étudiants pour travailler sur des projets mobiles et sur des technologies de pointe qui ne sont pas encore disponibles pour le grand public. Le laboratoire Intel d'Epitech Nancy est effectif dès la rentrée 2012 pour tous les étudiants et plusieurs projets libres de troisième année ...

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• How to install (or mock) Internet Explorer?

  - by Ivan

  I need to install a Windows application, which checks if there is Internet Explorer of at least 5th version installed and refuses to install (while I believe it does not really need it to work) if it is not. I've tried winetricks to install ie 8, 7, 6 full, 6 versions it offers - none worked - versions 7 and 8 installers report a function missing in msvcr (installing all msvcr versions didn't help), ie6 report some other error (I'll specify if it matters). I've also tried IEs4Linux - it also fails, complaining for a "BadIDChoice" X Window System error received by ies4linux-gtk.py. Is there a way to install any IE version in Ubuntu 10.10 with Wine or to mock its presence? I don't even need it to work, just to be installed in the Wine system so that other Windows programs could see it's there. I use Ubuntu 10.10 with Wine 1.3.8.

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• What is the best database design for managing historical information? [closed]

  - by Emmad Kareem

  Say you have a Person table with columns such as: ID, FirstName, LastName, BirthCountry, ...etc. And you want to keep track of changes on such a table. For example, the user may want to see previous names of a person or previous addresses, etc. The normalized way is to keep names in separate table, addresses in a separate table,...etc. and the main person table will contain only the information that you are not interested in monitoring changes for (such information will be updated in place). The problem I see here, aside form the coding hassle due to the extensive number of joins required in a real-life situation, is that I have never seen this type of design in any real application (maybe because most did not provide this feature!). So, is there a better way to design this? Thanks.

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• Google pourrait séparer les résultats homonymes dans des onglets en rachetant des brevets de son défunt concurrent Cuil

  Le moteur de recherche de Google pourrait séparer les résultats homonymes dans des onglets Google rachète des brevets de son défunt concurrent Cuil Comme la base de données de l'USPTO l'atteste, Google a acquis les brevets d'application d'un de ses rivaux : Cuil, un moteur de recherche surnommé un temps « tueur potentiel de Google ». Le 28 juillet 2008, ce moteur était né avec beaucoup d'espoirs. Ces espoirs étaient alimentés en partie par le fait que ses fondateurs étaient des anciens de Google (Anna Patterson et Russel Power), un co-fondateur d'IBM (Tom Costello) et le fondateur d'Altavista (Louis Monier). [IMG]http://x-plode.developpez.com/images/webmarketing/google-cuil...

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• Livre Blanc : "Qu'est-ce qu'un portail d'entreprise ?", Smile liste les alternatives open-sources aux solutions propriétaires

  Livre Blanc : "Qu'est-ce qu'un portail d'entreprise ?" Smile publie un guide pour répondre et aborder les meilleures alternatives open-sources aux solutions propriétaires Qu'est-ce qu'un portail d'entreprise ? Quelles sont ses fonctionnalités et ses domaines d'application ? Les réponses sont tout sauf triviales Smile vient pourtant de se (re)coller à l'exercice avec une nouvelle édition d'un Livre Blanc sur le sujet, un peu imposante (131 pages) mais très bien conçue. En spécialiste de l'open-source, l'analyse met bien sûr l'accent sur ce type de solutions qui « talonnent voire ...

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• Event Driven Programming 101

  - by JHarley1

  Good Morning, I previously asked the Q. of how Event Handlers Work (which I got a great answer for). I would now like to understand the basics of how are events are associated with on-screen objects? An explanation of how Events are associated with on Screen Objects: The application registers the Event, the Event Handler and the Component with the GUI Server. When an Event is detected the GUI Server has to link an Event to a Window and then to a Component, it then consults the Event / Component Table to identify which Handler (s) to be executed. I am having problems finding resources/papers that have mention of this process - especially of a Event / Component Table - can anyone clarify?

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• How can I handle this string concatenation in C in a reusable way

  - by hyphen this

  I've been writing a small C application that operates on files, and I've found that I have been copy+pasting this code around my functions: char fullpath[PATH_MAX]; fullpath[0] = '\0'; strcat(fullpath, BASE_PATH); strcat(fullpath, subdir); strcat(fullpath, "/"); strcat(fullpath, filename); // do something with fullpath... Is there a better way? The first thought that comes to mind is to create a macro but I'm sure this is a common problem in C, and I'm wondering how others have solve it.

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• How do I completly remove software? [closed]

  - by Dustin

  Possible Duplicate: Why are the hidden settings-folders not deleted when purging an application? Ok I have 8GB on my desktop dual booting win 7. I installed a few games, assualtcube, tremolous, and spring. But I had removed them using 'remove --purge' and only to find they are still lingering and purge does not well truly purge them. I need them completely gone and not secretly hogging space when I purged them. How can i completely remove software, like it is gone and not going to take any more of my precious space? Shrinking 7 and growing Ubuntu is not an answer I am accepting, i want to know how to completely remove software. Thank you for your time and your answers.

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• Relation between " lines of the longest working program " in a language and familiarity with it?

  - by Tim

  In some computer master program online application, it says: Please list the programming languages in which you have written programs. For each language, indicate the length in lines of the longest working program you have written in that language. You may approximate, but only count those parts of the program that you wrote yourself. I don't quite remember that, and I have never counted the lines of each program. Do programmers always know approximately how many lines in each of his programs, and keep record of them? What is the relation between " lines of the longest working program " in a language and familiarity with it? Typically, how many lines will indicate the programmer being excellent, good, fair, or unfamiliar with the language? Is knowing "lines of the longest working program" really helpful?

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• Installing Peachtree Complete Accounting...?

  - by d_Joke

  I do make a research about accounting applications for Ubuntu 11.10 but any of the can satisfy my needs. I install Peachtree Complete Accounting 2006 with Wine but there's some bugs like, the Home Page does not appear (even I don't use it) and the Invoice Module does not work properly... it sends me to an error message and the application automatically close. I know about GNUCash and others but the real thing is that those kind of programs are made for personal budget and that kind of stuff... accountants like me, that we made the decision of migrate to Ubuntu, are in the need of a real accounting program for Ubuntu or, at least (and I think that must be the best option) Wine must be updated to run that kind of applications. The same happens thing happens with the taxes applications (at least in my country).

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• What is the good way of sharing specific data between ViewModels

  - by voroninp

  We have IAppContext which is injected into ViewModel. This service contains shared data: global filters and other application wide properties. But there are cases when data is very specific. For example one VM implements Master and the second one - Details of selected tree item. Thus DetailsVm must know about the selected item and its changes. We can store this information either in IAppContext or inside each concerned VM. In both cases update notifications are sent via Messenger. I see pros and cons for any of the approaches and can not decide which one is better. 1st: + explicitly exposed shared proerties, easy to follow dependencies - IAppContxt becomes cluttered with very specific data. 2nd: the exact opposite of the first and more memory load due to data duplication. May be someone can offer design alternatives or tell that one of the variants is objectively superior to the other cause I miss something important?

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• Pinning ipython3 qtconlsole to launcher

  - by phg

  I've installed both ipython (which uses Python 2.7) and ipython3, and the respective qtconsole packages. Both work when I call them from the terminal like ipython qtconsole. However, when I search for them in the dash home, only the 2.7 versions (of both the shell and qtconsole) appear, as executables. Searching for ipython3 only yields the ipython3 file from /usr/bin. Changing to the "application lens" doesn't affect the results. Also, even if I can start both from the terminal, I can only pin the running 2.7 version to the launcher -- or, to be more exact, I can pin the v3 console, but the icon looks somehow blurred, and it doesn't start anything when I click it. So, whats happening here? Is the v3 package hidden somehow?

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• How best to take a users signature online? (UK law orientated) [closed]

  - by Ben Griffiths

  Not sure if this is the best place to ask, but I can't seem to find any of the other SE sites that would fit better (unless there's a law one?) I'm building an application that will replace an existing paper based form, and this form would normally be signed by the person filling it in. Looking around, it's hard to find a good definitive resource to explain what I can and cannot accept as far as a signature goes. It looks like some UK government online forms accept just your name typed into a box, but I've also heard you should back up with an email - so that process would be type name into a box along with providing an email address, send out an email, then make them click a link within the email to finally complete the verification. Involving email seems very long winded and leaves the system open to spam filters blocking emails, forgotten emails that just sit in inbox's etc. So, does anyone have any knowledge in this department? Personally, I'd love to just get them to type their name into a box and be done with it!

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• Swap Mouse Buttons on startup

  - by andy boot

  This one bugs me. I fashioned this handy script to swap the left and right mouse buttons over: [My mouse is a Razer] /usr/bin/xinput set-button-map `xinput list | grep 'Razer' | grep -o \=[0-9]* | grep -o [0-9]*$` 3 2 1 4 5 6 7 8 1 10 11 12 13 When I run this in a Terminal it works. When I go to Startup Application Preferences - Add and then literally paste the above into the command field as an 'Additional startup program' It does not run on startup. Why not? I'm using Ubuntu 11-10 but this also applied to the 10-10

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• Entry level security engineering positions

  - by Jake

  This is a question that has been bothering me for some time now. I have asked people and have always got mixed replies. It also has to do with how I will start my career. So here goes: Can an entry level software engineer directly get a job in a security engineering position? I am a graduate student in software engineering with a lot of course work in security as well, including web application, network and mobile security. I want to know if in the current industry, can an entry level engineer take the risk to prepare towards finding a security related position, or is it always necessary for a year or 2 development experience before one should think about finding a security position. Thank you.

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