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• Jaroslav Tulach's Report on NetBeans at OSGiCon

  - by Geertjan

  The latest NetBeans Podcast was recorded over the last few weeks and released yesterday. Aside from the NetBeans news items and interviews (interesting stuff about Joel Murach's new Java book using NetBeans, as well as the new developments in the NetBeans Groovy editor), there is, as always an "API Design Tip" of the podcast. That's really worth listening to, always of course, but especially this time because here Jaroslav Tulach talks at some length about his recent trip to OSGiCon, as well as the history and status of OSGi support in NetBeans IDE. Start listening from just before the 30th minute (i.e., the final segment) if you're interested in this particular topic: https://blogs.oracle.com/nbpodcast/entry/netbeans_podcast_60 For example, hear about how JDeveloper got faster by switching from Equinox to Netbinox. And... will Eclipse find itself on the same OSGi container too?

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• Does e-commerce platform matter for branding

  - by c s h

  The place I work is now looking into developing a new e-commerce site on the Magento platform. Magento will fill all of our needs. I was just wondering if it is in anyway unprofessional doing it this way (Impression is something we are really worried about), will people who visit the site look at our business different knowing we used Magento or any other e-commerce platform. There are ways to find out. I use Chrome Sniffer to find out what platforms are used to develop each site, there are other tools available for different browsers. Bottom-line: Will an e-commerce platform affect the trust in my brand?

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• How to recommend that Google indexes some keywords?

  - by Werewolf

  I've read many articles about SEO. I've tried to implement my knowledge on a site but I haven't gotten good results in 6 months. e.g.: I've used Google Webmaster Tools, sitemaps, title tags, keywords in paragraphs, etc. My Alexa rank is growing but Google detected some keywords that isn't my goal :-(. Is there a good way to focus on a keyword on search engines? How can I recommend Google to index some desired keywords? (They are available in my pages.)

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• No such file but the file is there!

  - by user288757

  I'm trying to compile a C++ file with some includes. My main file (well I didn't make it hdf5_getters includes a file which includes the file hdf5.h, also not my design but it's a downloaded library. Every time I try to compile it I get the error message that the file hdf5.h does not exist while it clearly does. I started reading on the internet and people say it can happen because it's a 32bit binary running on a 64bit architecture. But I'm running a 32bit Ubuntu so that can't be it... I'm out of ideas, if anyone can help me please :) This is the errormessage with commands: make hdf5_getters g++ -c -Wall -std=c++0x -O2 -c hdf5_getters.cc In file included from H5Cpp.h:20:0, from hdf5_getters.cc:34: H5Include.h:17:18: fatal error: hdf5.h: No such file or directory #include <hdf5.h> ^ compilation terminated. make: *** [hdf5_getters.o] Error 1

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• Which language is productive for high phase business application development? [closed]

  - by Nizar

  If we (I and my friends) would like to build web-based products and sell it using a license approach (to renew every year for example). Which server-side language will be most suitable for our purpose? We could target the following audience: - Personal sites. - Serious small-medium companies (to sell prducts such as Help-Desks, Forms,etc.) - Restaurants (to sell online order web applications). We would like to - attract as many customers as possible. - provide updates for our prodcuts (for our customers). - make our products easy to use. There are number of open-source frameworks and languages that has potential to handle our business problems (like Django, Python, Java, etc..) However, we are not sure which one is easier to learn and has variety of tools/plugins to help us in development process. Thus we need to get you experience on this hard to decide matter. Which language and its supporting framework we should choose ?

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• Take Camera Phone Macro Photos with a Cheap Laser Pointer Lens

  - by Jason Fitzpatrick

  Inside those cheap laser pointers you see in the grocery store checkout line there’s a handy little plastic lens that, when slapped on your phone’s camera, makes it easy to take macro photographs. In this tutorial, they take the lens from a laser point and secure it using tape and a bobby pin. An alternative method to achieve the same end (and with a higher quality lens) is to dismantle a CD/DVD drive to source the lens and use painter’s tape to hold the lens in place–this is the technique I used several years ago, check out the tutorial video here. Laser Pointer Macro Lens [via Apartment Therapy] How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• Are Modern Computers Still Vulnerable to Damage via Magnets?

  - by Jason Fitzpatrick

  It’s such an oft repeated warning that it’s firmly embedded in nerd lore: bring a magnet anywhere near your precious computer and suffer the dire consequences. But is true? Is your computer one run in with a novelty magnet away from digital death? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. 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 implement powerups for my Breakout clone?

  - by Eva

  I'm making a simple Breakout clone in Python that will have very many powerups/powerdowns (so far I came up with 26). Some will affect the paddle (paddle missile, two paddles, short paddle, etc.), some will affect the ball (slow ball, destructo-ball, invisible ball, etc.), some will affect the bricks (brick scramble, move up, bricks indestructible, etc.), and some will affect other game aspects (extra life, more points, less points, etc.). I'm pretty sure I have the code to draw the falling powerups and test for collisions with the paddle down, but I'm confused about how to code the effects of the powerups. Since there are very many powerups, it seemed inefficient to add specific methods to each component as done in this tutorial. However, I can't think of an other ways to implement the powerups. I found a page that hints at some way to design powerup behavior using classes, but I'm at a loss for how to do that. (A short example would help.) Please give me a short code example of another way to implement the effects of the powerups.

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• Automatic language transformation in editor or IDE [on hold]

  - by Rumca

  Are there any tools that are capable of editing code but in different language? To be more concrete, I want to parse java source file in editor, compile it to my language X, edit in X and compile back to java on save. Or edit pom.xml file using non-XML syntax. Which editor or IDE would be easiest to use for implementing such prototype? Option to transform only a snippet would be ideal to limit effort on parsing. For one example, Intellij IDEA can display anonymous class so it looks like lambda expression hiding some of boilerplate.

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• How can I improve the workflow between developer and designer with Expression Blend?

  - by Amenti

  We use WPF and Expression Blend 4. I'm trying to improve our workflow by tutoring one of our designers to use it for styling and animation. Slowly but surely I get the impression Blend in itself is to technical for the designer in question. I myself use it only occasionally (it's great for Visual States for instance) because a lot of things are easier done in code or not possible at all in Blend alone. It seems a developer with design experience is a lot more productive with it than a sole designer. Are there any good resources or advice as to how I can improve this workflow?

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• Shifting from XNA/C# to C++?

  - by Fat_Scout

  For a while now, I've been working with XNA for game design and development (although only for personal use ATM.) Overall, I'm a major fan of XNA itself, and it's overall "feel." However, due to the fact that: XNA seems to have a lack of support (no Metro support, no updates since 2010, etc.) I plan to try and get a job in the game development industry, and due to C++'s dominance, being more familiar with it would be very useful XNA only supports Windows (non-Metro) and Xbox 360, while I am interested in Mac and (to a lesser extent) Linux support. I've been trying to shift over to C++ as my main language. However, I do not want to focus on learning raw DirectX/C++ at this time, so I've been looking for a higher level C++ API (something about the same level as XNA, although something a bit more low-level would be fine) with a feel similar to XNA. So, for someone switching from C#/XNA to C++, what would my best choice(s) be for API's similar to XNA, although unmanaged and running on C++?

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• How does sprite customization in 2D games work?

  - by Alouette

  I´m working on the design of a new game concept at the moment and I would like to know how to handle a customization of sprites. (In 2D that is, hence the topic.) This is my scenario: The player will have a tower containing 3 floors (or more). Each floor can be replaced by another "piece", i.e. a blue floor, a fire floor, a stone floor. With the little knowledge of game development I have, creating a sprite for each possible combination is probably not a good idea, since the size of the game file will be HUGE. So, how does developers solve this? Do you put a standard position and just replace the sprite itself? Any advice or information about this would be great. Regards.

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• A Great Idea I Never Had. Better Elevator Automation, no Buttons in Elevator.

  After my second year at engineering school (Cornell University), I spent the summer working in a dream job as an intern at the world famous Ford Design Center in Dearborn Michigan.  The group I... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...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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• What to learn for a pure practical developer to get better?

  - by ChrisRamakers

  I'm a self taught developer that currently has more than enough experience to hold up against my colleagues waving with their degrees, yet I feel that I'm lacking some important skills to advance further into being a senior level professional in a leading role. More specific in the engineering, planning and designing aspect of software. I've touched the surface of UML, ERM/ERD, have experienced both waterfall and scrum projectmanagement, ... yet I feel there is something missing as every time I start on a new project I don't know where to begin. Should I start diagramming and how? should I start writing an xx page document describing the project on a technical level first, should I dive head first into writing the first tests and code or pseudo-code? I would like to know what, in my case, would be the best way forward, to learn how I can tackle this problem in the future and get better at leading and starting a project. There is not much i don't know about my technical tools and languages but when it gets abstract i'm in trouble.

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• Where should a programmer explain the extended logic behind the code?

  - by SRKX

  I have developed a few quantitative libraries in C# where it is important to understand not only the classic information that goes with the XMLDoc comments (which contains basic information with the method signature) but also the mathematical formulas being use within the methods. Hence I would like to be able to include extended documentation with the code, which could contain, for example Latex formulas, graphs, and so on. Do you think such information should be included in the API documentation? Or should it be included in a dev blog for examples? Are there common tools that are usually used for this kind of purposes?

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• "Google files": Building a web interface to find/ack/grep

  - by user27915816

  I am working on a project where we would like to have build a web interface that gives the user the ability to "Google" files in a directory in a remote machine. For example, the user would type a string in a box, and then the system would find all files that contain that string and present them in the browser. The system would then give the user the ability click on any of the files to open them/display them in the browser. We want to avoid reinventing the wheel if possible, but don't really know where to start (none of us in the team have much experience building websites). What software packages, libraries or tools exist that can help us get this done?

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• Today's $10 Deal from APress - Next-Generation Business Intelligence Software with Silverlight 3

  - by TATWORTH

  Today's $10 deal from Apress is " Next-Generation Business Intelligence Software with Silverlight 3 Business intelligence (BI) software is the code and tools that allow you to view different components of a business using a single visual platform, making comprehending mountains of data easier. BI is everywhere. Applications that include reports, analytics, statistics, and historical and predictive modeling are all examples of BI applications. Currently, we are in the second generation of BI software, called BI 2.0. This generation is focused on writing BI software that is predictive, adaptive, simple, and interactive. Next-Generation Business Intelligence Software with Rich Internet Applications brings you up to speed with the latest BI concepts."

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• ArchBeat Link-o-Rama for November 7, 2012

  - by Bob Rhubart

  Updated Business Activity Monitoring (BAM) Class | @OracleSOA Oracle SOA Team blogger Gary Barg has news for those interested in a skills upgrade. This updated Oracle University course "explains how to use Oracle BAM to monitor enterprise business activities across an enterprise in real time. You can measure your key performance indicators (KPIs), determine whether you are meeting service-level agreements (SLAs), and take corrective action in real time." Oracle Solaris 11.1 update focuses on database integration, cloud | @markfontecchio TechTarget editor Mark Fontecchio reports on the recent Oracle Solaris 11.1 release, with comments from IDC's Al Gillen. Thought for the Day "Why is composing symphonies tough? I don't know. It's just very few people in the world can do it well. And I think that's the case with upfront design. It is very hard to do well." — Martin Fowler Source: SoftwareQuotes.com

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• Factory for arrays of objects in python

  - by Vorac

  Ok, the title might be a little misleading. I have a Window class that draws widgets inside itself in the constructor. The widgets are all of the same type. So I pass a list of dictionaries, which contain the parameters for each widget. This works quite nicely, but I am worried that the interface to callers is obfuscated. That is, in order to use Window, one has to study the class, construct a correct list of dictionaries, and then call the constructor with only one parameter - widgets_params. Is this good or bad design? What alternatives does the python syntax provide?

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• What is the history of why bytes are eight bits?

  - by DarenW

  What where the historical forces at work, the tradeoffs to make, in deciding to use groups of eight bits as the fundamental unit ? There were machines, once upon a time, using other word sizes, but today for non-eight-bitness you must look to museum pieces, specialized chips for embedded applications, and DSPs. How did the byte evolve out of the chaos and creativity of the early days of computer design? I can imagine that fewer bits would be ineffective for handling enough data to make computing feasible, while too many would have lead to expensive hardware. Were other influences in play? Why did these forces balance out to eight bits? (BTW, if I could time travel, I'd go back to when the "byte" was declared to be 8 bits, and convince everyone to make it 12 bits, bribing them with some early 21st Century trinkets.)

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• is it possible to get a programming job in the bay area?

  - by user475119

  Is it my perception or is it reality that it is harder to get software development work in Silicon Valley, than in other population centers? My theory is that some of the best and brightest (and youngest) are all here. All working for the top tech companies. And, little ol' me, over 40, math degree (not at Standford or Berkeley), ok at algorithms, and with many skills with many programming tools and concepts, but not published, and not top my class has a bit of a tough time competing. (I'm a Python programmer, by the way.) Thanks

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• Oracle University New Courses (Week 23)

  - by swalker

  Oracle University released the following new (versions of) courses recently: Engineered Systems Exadata Database Machine Administration Workshop (Training On Demand) Development Tools Oracle Fusion Middleware 11g: Build Applications with ADF I (Training On Demand) Fusion Middleware Oracle AIA Foundation Pack 11g: Developing Applications (Training On Demand) Oracle Exalogic Elastic Cloud Administration (Training On Demand) Oracle GoldenGate 11g Fundamentals for Oracle (Training On Demand) Oracle Fusion Middleware 11g: Build Applications with ADF I (Training On Demand) Oracle WebCenter Portal 11g: Spaces Administration (3 days) Java Architect Enterprise Applications with Java EE (5 days) Hyperion Oracle Hyperion Planning 11.1.2: Create & Manage Applications (Training On Demand) Oracle Hyperion Financial Mgmt 11.1.2: Create & Manage Applications (Training On Demand) Get in contact with your local Oracle University team for more details and course dates. Stay Connected to Oracle University: LinkedIn OracleMix Twitter Facebook Google+

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• 3D open source physics engine suitable for mobile platforms (Android and iOS)

  - by lukeluke

  I have made some research and found that bullet, ode, newton and some others are open source physics engines that should be portable enough (but I have never tried to comile/use anyone of them on phones). I am writing my games for mobile platforms in C++, so the engine should be C or C++. I need a fast engine, since mobile platforms have limited resources. I need a free engine. A good design would be nice to have too. What engine is best suited for my task? What I really would like to hear from you is your direct experience. Documentation and support (for example, forum or an IRC channel) is a really important aspect to take into consideration.

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• CakePHP pair programming practise

  - by The-Di-Lab

  We are on the stage of planning a CakePHP project. It is a relatively a big project for us, as a developer+project manager, I want to hire someone to work with me. But what I really want is to spend less time on actual coding, without losing control of the code quality. What I want to do is that I will design all the functions of the project in CakePHP, at least all the model's functions, and leave the implementation part to the coder who I am going to hire. But my worry is still if I am going to lose control of the code quality using this approach? is it feasible to do so or it is going to turn this project to a chaos. Thank you all in advanced for reading my question and give me answers.

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• Which API for cross platform mobile audio?

  - by deft_code

  This question focuses on the API's available on phones. I'd been planning to use OpenAL in my game for maximum portability. It runs great on Linux so I can quickly develop the Game and leverage it's superior debugging tools. However I've recently heard that Android doesn't support OpenAL well. Instead they've gone with a OpenSL ES library. What I'm looking for is a free Audio library that I can use with minimal custom code on iPhone, Android, and my Linux desktop. Does such an API exists? Some extra details: The game is written in C++ with custom minimal front ends. ObjC for iPhone, Java for Android, and SFML for Desktops. I'm using OpenGL ES for portability as iPhone doesn't support the more advanced OpenGL APIs.

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