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• OpenWonderland goes to Europe

  - by user12652314

  Past my day job, I also have the privilege of being Vice President and Member of the Board of the OpenWonderland Foundation (Formerly Project Wonderland for ex-Sun folks). It's great to see the progress Wonderland is making as the platform-of-choice for open source collaborative 3-D virtual worlds built in Java. The upcoming and first european IE Summit in Madrid will show a number of projects and innovations for virtual and game-based learning. I also dropped Ultan a note after learning about the Gamification of Oracle Apps to see if collaborating with kids and schools is an area we can work together on to improve kids engagement and learning experiences online. Stay tuned.

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• Does saving my progress on a U1-synced file/folder put unneccesary strain on the servers?

  - by Chauncellor

  I love Ubuntu One and I use it all the time. I have my documents and music composition folders set to sync. It's been a real boon. However, sometimes I feel that constantly saving my progress forces the file to sync dozens and dozens of times to the servers. It seems wasteful to me so I've been disconnecting U1 until I'm finished working on a project. Is this an unnecessary action that I am taking? I know it's using Amazon's storage but I'm still paranoid that I'm costing Canonical money when I constantly save my progress.

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• Must all new features go through betatest?

  - by LTR

  Obviously, small usability fixes and bugfixes go directly into the stable product. What about small new features? Can you afford to just release them after internal testing, or do they have to be betatested by customers first? Situation: This is a young commercial project, produced by a one-person company. It has an existing userbase and is at it's second major version. Previous betatests have produced some results, however most feedback came from the stable product and not from beta versions.

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• Can decoupling hurt maintainability in certain situations?

  - by Ceiling Gecko

  Can the fact that the business logic is mapped to interfaces instead of implementations actually hinder the maintenance of the application in certain situations? A naive example with the Java's Hibernate framework would be, that for example (provided I don't have the whole code-base in my head, the project structure is a mess and classes are named with arbitrary names) if I wish to see what's going on in a certain DAO, to see if it actually is doing what it's supposed to do, then instead of traversing backwards up the tree from the point where the data service is invoked (where the tree will end in an interface with no implementation details whatsoever apart from the signature) I have to for example go and look for a configuration XML file to see which class is mapped to said interface as the implementation before being able to access the actual implementation details. Are there any situations where having loose coupling can actually hurt maintainability?

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• Announcing the ADF Architecture Square at OOW12

  - by Chris Muir

  The ADF product management team are happy to announce at Oracle Open World the publication of the ADF Architecture Square: Over the last number of years Oracle has recognized that many customers have matured their ADF skills and are now looking for information on advanced concepts beyond the how-do-I-get-this-poplist-to-work type questions.  In order to satisfy this demand we've devised the ADF Architecture Square where papers, presentations and demos will consider such broad software engineering concepts as ADF architecture, development and testing, building and deployment, and infrastructure.   If you have a look at the site right now it's a rather modest affair, but we hope to continue to expand the content to give further guidance and information to help shortcut your ADF project needs.  Either watch the website or follow our dedicated @adfarchsquare twitter feed.

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• Changing the rendering resolution while maintaining the design layout

  - by Coyote

  I would like to increase the FPS of my project. Currently I would like to try reducing the resolution at which the scenes are rendered. Let's say I never want to draw more than 1280*720. What ever the real resolution is. How should I proceed? I tried pEGLView->setFrameSize(1280, 720); but only reduces the displayed size of the frame on screen (boxing). In my activity I tried setting the size of the "surface" but this seems to completely break the layout (as defined by setDesignResolutionSize). @Override public Cocos2dxGLSurfaceView onCreateView() { Cocos2dxGLSurfaceView surfaceView = new Cocos2dxGLSurfaceView(this); surfaceView.getHolder().setFixedSize(1280, 720); return surfaceView; } Is there a way to simply change the rendered

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• Freelancers do you charge for going on site to do work?

  - by user35072

  I'm currently new to freelancing as a programmer and need to work what some of the "norms" are without making myself look like an amateur. I've already won some work from a local company doing C# development and already quoting an hourly rate for some work that i am doing from my office. However on one upcoming project I've been asked to come on-site (client office) to work a full week. Is it reasonable to charge more than my regular hourly rate for working on site? And how should i justify the extra charges?

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• How do I share my jQuery plugin with the world?

  - by Billy Moon

  I made a plugin for jQuery, which I think is quite useful. It combines an animated colours plugin with an easings plugin, and adds a completely new feature of being able to refer to colours numerically (more useful in hex notation, so 0xff00cc for example) and therefore manipulate them mathematically more easily. I created a repository on github, and it sits there, nobody looks at it. Mostly, I would like people to look at it, use it, and improve it, so I can use the improvements and so on. I think this idea of numerically manipulating colors could be interesting. It makes it easy to change the hue without changing the saturation for example. Combined with animated colors, I think something interesting could be done, but I don't know what exactly. How do I let people know it (or any other project) is there..? I was going to post it on http://plugins.jquery.com which is currently down. Are there any other outlets for this kind of code?

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• Secure Web Apps from SQL Injection in ASP.Net

  In the first part of this two-part series you learned how SQL injection works in ASP.NET 3.5 using a MS SQL database. You were also shown with a real web application which was not secure against SQL injection attacks how these attacks can be used by the hacker to delete sensitive information from your website such as database tables. In this part you will learn how to start securing your web applications so they will not be vulnerable to these kinds of exploits. A complete corrected example of the insecure web application will be provided at the end of this tutorial.... ALM Software Solution ? Try it live! Requirements Management, Project Planning, Implementation Tracking & QA Testing.

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• How to learn an API

  - by inovaovao

  When I find some interesting project (e.g. on GitHub) I often would like to use it and try it out to see how it works, but if there isn't a good documentation or some kind of tutorial it's hard to figure out how to use it. So my question is: how do you approach such a situation? How do you figure out which classes are important and how to chain them to put them to use? What would you look at first? An advice I found is to look at the tests (if there are any). But if there are unit tests for every class, how do you know which ones to look at first?

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• Manage own framework

  - by Develman

  I have developed my own little framework for webpages. And for different websites I had to change some parts of the framework respectively developed new features / improvements. But in some cases I missed to copy the changes in the original framework code. How do you manage your frameworks? I copy the complete framework to a library folder in my projects folder structure. So I have a copy of the framework in every project. I would like to have it on one place in order to modify / improve / bugfix it once and then distribute it on the projects.

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• It is worth planning before jumping in the code?

  - by Rushino

  I always thought that planning is important for a game. But i don't know at which point. Some are telling me to code instead of planning but i feel like its still important because when you will be in the code you will know what to do next more easily. I am currently working on a game that will have lots of content so i decided to start a design document introducing thoses content and at a side-level i am doing proofs of concept to check if it can be done. Parts of each proofs of concept then could be used later in the real game. EDIT: I am working alone on this project. So my question is : It is worth planning before jumping in the code ? Im still interested to know what others have to say about this. Cause i still get some poeple saying i should code instead of thinking.. so what your opinion on this ?

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• Links in my site have been hacked

  - by Funky

  In my site I prefix the images and links with the domain of the site for better SEO using the code below: public static string GetHTTPHost() { string host = ""; if (HttpContext.Current.Request["HTTP_HOST"] != null) host = HttpContext.Current.Request["HTTP_HOST"]; if (host == "site.co.uk" || host == "site.com") { return "http://www." + host; } return "http://"+ host; } This works great, but for some reason, lots of links have now changed to http://www.baidu.com/... There is no sign of this in any of the code or project, the files on the server also have a change date when i last did the publish at 11 yesterday, so all the files on there look fine. I am using ASP.net and Umbraco 4.7.2 Does anyone have any ideas? thanks

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• 3D touch "Minority Report" style interface - what platform gets me there the fastest?

  - by Ross Braden

  I'm working on a project that requires touch interface, though the use case is desktop more than mobile. Want to start out platform agnostic, not a mobile app. There will be gridwork type of 3D objects and diagraming being represented - think AutoCAD or Minority Report. Want to build a prototype that will have hooks into a database to represent the data. Any advice on what tools to use both for the design and the development of the functionality is greatly appreciated. Thanks!

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• RPi and Java Embedded: Hard-Float Support is Here!!!

  - by hinkmond

  You wanted Java Embedded with Hardware Floating Point support to install on a default Raspian environment for your Raspberry Pi? Well, you just got your wish. Merry Christmas! See: Developer JDK 8 for ARM w/Hard-Float Here's a quote: The Java SE 8 Developer Preview Release for ARM including JavaFX (JDK 8) on Linux has been made available at http://jdk8.java.net. The Developer Preview is provided to the community to get feedback on the ongoing progress of the project. Developers can start developing applications using this build of Java SE 8 on an ARM device, such as the a Raspberry Pi. It's a regular JDK (Java SE 8 preview) for your Raspberry Pi, so you should note this means there is a javac (and the other typical JDK tools) available to compile your Java apps right there on the device! Woot! I'll cover step-by-step instructions how to do that in a future blog post. Stay tuned... Hinkmond

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• Is it common in companies that non-techs are doing analyzes

  - by Kubi

  It's been 2 months since I started working at an international big consulting company. I like my colleagues personally but it's like a joke since my first day. Analysts (people who has no idea about the tech. background) are planning the workflow and functions. In my case, none of my friends here even wrote even a single line of html. When I say Html, I doubt if they know what I mean. But they are deciding about really key decisions in a web system implementation project. Is this always like this?

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• Alternatives to JS in the browser: your experience [closed]

  - by Andrea

  In these days there are many projects whose aim is to bring new languages to the browser by compiling them to JavaScript. Among the others one can mention ClojureScript, CoffeScript, Dart, haXe, Emscripten, Amber Smalltalk. I understand that in part the response to this answer depends on the particular project. But, anyway: Have you tried any of them? Are these tentatives suitable for production sites? Should I want to try one of those, what are the downsides I should carefully evaluate? By the way, I expect the answer to be slightly misleading for CoffeeScript, since its semantics is very close to that of JavaScript, so I guess it should be easier to make it work seamlessly with the existing JavaScript ecosystem.

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• software attribution / design credits

  - by Smith

  We just completed developing a web app for a client. And like i usually do, i added developed by "My Company" at the footer at a very small insignificat size. I sent the client an Eend user license stating some of the following in summary you can't resell, redistribute, etc without our notice ... you can remove the attribution or design credits the client got back to me and complained, telling me now that he was also developing for someone, and that 'I can't add my attribution' without his/her consent, but? Although i sign a NDA with in summary states that i cannot disclose the software to anyone else There was no agreement before the project that am not to add design credits or attribution i know every software i install have that, and so is every products from companies, mostly technological products. how does this work (adding design credits) What do you think?

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• Can we ask idea of software?

  - by jailed abroad

  I am new to Programmers Stack Exchange. I have read the faq. I have a basic question here that can I ask about the idea of developing software. Just for sake of example, I have started a job in software house and my CEO hands me a project. And I have no idea or flow chart in my mind through which I would develop that application. For example client needs an E-diary. I have idea of WPF but lacking flow of app. So my question is can I ask about the app that "what would be the idea to develop the application"?

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• Twitter Customer Sentiment Analysis

  - by Liam McLennan

  The breakable toy that I am currently working on is a twitter customer sentiment analyser. It scrapes twitter for tweets relating to a particular organisation, applies a machine learning algorithm to determine if the content of tweet is positive or negative, and generates reports of the sentiment data over time, correlated to dates, events and news feeds. I’m having lots of fun building this, but I would also like to learn if there is a market for quantified sentiment data. So that I can start to show people what I have in mind I have created a mockup of the simplest and most important report. It shows customer sentiment over time, with important events highlighted. As the user moves their mouse to the right (forward in time) the source data area scrolls up to display the tweets from that time. The tweets are colour coded based on sentiment rating. After I started working on this project I discovered that a team of students have already built something similar. It is a lot of fun to enter your employers name and see what it says.

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• Environment Award for AgroSense Java Farm Management System

  - by Geertjan

  Beating IBM's energy information system and Evoswitch's modular data central hall, Ordina's AgroSense, a farm management system for precision agriculture, received the prestigious IT Environment Award in the Netherlands yesterday. AgroSense is an agricultural services platform created in Java on the NetBeans Platform. It looks like this: Among other things, the team has been investigating whether and how to integrate JavaFX games into the AgroSense platform, as well as other JavaFX-oriented effects. Here's a pic of the red tulip award that the team received yesterday at a black tie award ceremony: The original announcement of the nominations for this competition in English can be read here. On Twitter, you can follow the AgroSense project here: @AgroSense Congratulations, AgroSense team, for this fantastic achievement!

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• Is an 'if password == XXXXXXX' enough for minimum security?

  - by Prof Plum

  If I create a login for an app that has middle to low security risk (in other words, its not a banking app or anything), is it acceptable for me to verify a password entered by the user by just saying something like: if(enteredPassword == verifiedPassword) SendToRestrictedArea(); else DisplayPasswordUnknownMessage(); It seems to easy to be effective, but I certainly would not mind if that was all that was required. Is a simple check on username/password combo enough? Update: The particular project happens to be a web service, the verification is entirely server side, and it is not open-source. Does the domain change how you would deal with this?

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• How do you load in a .bmp file to use it as a height map in C++?

  - by user1324894

  I need to create a terrain that can be used in C++ and opengl and I am told that using a height map is the way to go. I have a .bmp file that is a greyscale image that I would like to use. However, I do not know how to load that greyscale image into the project so that it can be used as a height map or how I can apply a texture to it to create terrain nor how to compute the normals that I'm told will be required. How would I go about achieving what I would like to do?

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• Citrix dévoile Xen Cloud Platform 1.0, la première version de son environnement de développement Cloud open-source

  Citrix dévoile la première version de Xen Cloud Platform Son environnement de développement Cloud open-source Xen.org (à l'origine de l'hyperviseur open source Xen) annonce le lancement de Xen Cloud Platform (XCP) 1.0. Développé dans le cadre du Xen Cloud Project lancé en 2009, XCP 1.0 est une solution de Citrix pour les PME désireuses de mettre en place des clouds privés, ainsi qu'aux passionnés de l'open source, aux universités et aux chercheurs souhaitant expérimenter le cloud computing. Il s'agit d'un tournant dans l'utilisation en entreprise pour Xen.org. Jusqu'ici, celui-ci ne proposait traditionnellement que des logiciels sous forme de code source. XC...

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• How to handle an arrogant coworker [closed]

  - by Guy

  In my workplace I have a coworker who have been working in the company for 3 years (1 more than me) doing stuff surrounding to software development but not software development. We need to run a new project in C and we have a lot of professional disagreements that in my opinion are caused by too much pride to his skill. For example he strives to insert code unnecessary code generation using C macros as possible instead of writing the same C code with the correct separations to functions. I tried to explain to him why inline function are a better replacement for C macros but he said to me that he knows better than gcc how to inline a function. How can I handle such a person?

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