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  • Does Open Source lead to bad coding?

    - by David Conde
    I have a thought that I tried asking at SO, but didnt seem like the appropriate place. I think that source sites like Google Code, GitHub, SourceForge... have played a major role in the history of programming. However, I found that there is another bad thing to these kind of sites and that is you may just "copy" code from almost anyone, not knowing if it is good(tested) source or not. This line of thought has taken me to believe that source code websites tend to lead many developers (most likely unexperienced) to copy/paste massive amounts of code, which I find just wrong. I really dont know how to focus the question well, but basic thought would be: Is this ok? Is Open Source contributing to that or I'm just seeing ghosts... Hope people get interested because I think this is an important theme.

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  • Easy remote communication without WCF

    - by Ralf Westphal
    If you´ve read my previous posts about why I deem WCF more of a problem than a solution and how I think we should switch to asynchronous only communication in distributed application, you might be wondering, how this could be done in an easy way. Since a truely simple example to get started with WCF still is drawing quite some traffic to this blog, let me pick up on that and show you, how to accomplish the same but much easier with an async communication API. For simplicities sake let me put all...(read more)

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  • Facebook - Filter Page posts by #hashtag [on hold]

    - by beppe9000
    I'm trying to gather all the posts (official posts and people's posts) on my page which contain a specified #tag, to later show them on website. But I've no clue on how to accomplish this. Is there any API capable of this or anything else that could help? I basically need to get all those posts IDs looping spidering trought them for my hashtag. I'm planning to do this server-side so PHP is my choice.

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  • Best practices for web page styling with CSS?

    - by adifire
    I have a website to design. I have information on how the page should look and interact. The problem is I'm not good in front-end design, and have put many many hours to get the hang of the stuff. Currently, i am getting the CSS from sample sites in github and use them to style my site, which seems to be Not a ethical way. Question: how do you style webpages? Are there some really good tools? I would be deeply appreciated if a detailed answer will bee provided or link to wiki will work as well.

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  • Excel Solver vs Solver Foundation

    - by JoshReuben
    I recently read a book http://www.amazon.com/Scientific-Engineering-Cookbook-Cookbooks-OReilly/dp/0596008791/ref=sr_1_1?ie=UTF8&s=books&qid=1296593374&sr=8-1 - the Excel Scientific and Engineering Cookbook.     The 2 main tools that this book leveraged were the Data Analysis Pack and Excel Solver. I had previously been aquanted with Microsoft Solver Foundation - this is a full fledged API for solving optimization problems, and went beyond being a mere Excel plugin - it exposed a C# programmatic interface for in process and a web service interface for out of process integration. were they the same? apparently not!   2 different solver frameworks for Excel: http://www.solver.com/index.html http://www.solverfoundation.com/ I contacted both vendors to get their perspectives.   Heres what the Excel Solver guys had to say:   "The Solver Foundation requires you to learn and use a very specific modeling language (OML). The Excel solver allows you to formulate your optimization problems without learning any new language simply by entering the formulas into cells on the Excel spreadsheet, something that nearly everyone is already familiar with doing.   The Excel Solver also allows you to seamlessly upgrade to products that combine Monte Carlo Simulation capabilities (our Risk Solver Premium and Risk Solver Platform products) which allow you to include uncertainty into your models when appropriate.   Our advanced Excel Solver Products also have a number of built in reporting tools for advanced analysis of the your model and it's results"           And Heres what the Microsoft Solver Foundation guys had to say:   "  With the release of Solver Foundation 3.0, Solver Foundation has the same kinds of solvers (plus a few more) than what is found in Excel Solver. I think there are two main differences:   1.      Problems are described differently. In Excel Solver the goals and constraints are specified inside the spreadsheet, in formulas. In Solver Foundation they are described either in .Net code that uses the Solver Foundation Services API, or using the OML modeling language in Excel. 2.      Solver Foundation’s primary strength is on solving large linear, mixed integer, and constraint models. That is, models that contain arbitrary nonlinear functions (such as trig functions, IF(), powers, etc) are handled a bit better by the Excel Solver at this point. "

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  • Visualization tools for physical simulations

    - by Nick
    I'm interested in starting some physics simulations and I'm getting hung up on the visualization side of things. I have lots of resources for reading how to implement the simulation itself but I'd rather not learn two things at once - the simulation part and a new complex visualization API. Are there any high-level visualization tools that are language independent? I understand that I'll have to learn some new code for visualization but I'd like to start at a high level, OpenGL is my long-term goal and not my prototype goal.

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  • Learning c++ by contributing to open source projects

    - by user1189880
    I have some general programming experience with a few different languages, my most skilled being php. I want to spend a lot of time over the next year learning c++ in much more depth and then eventually get to a good enough level to find a job as a junior developer working in c++. I really struggle to find things to develop as toy programs so want to contribute to an open source project in c++ to get really stuck in to. But the projects I see on github in c++ are very large and will require a lot of knowlege to even get started. Are there any smaller projects that I can contribute to or are there any other good ideas for learning c++ from a practical level.

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  • Which PHP framework is best for Facebook app?

    - by ohho
    I am new on Facebook app. The majority of Facebook sample apps are in PHP. Is there a PHP framework which integrates with Facebook (Graph) API you'd recommend? I am looking for features listed below and don't want to reinvent the wheels: link a Facebook user id to a local user profile database detect whether user has liked the app detect whether user has granted access the app write on user's wall (status/photo) Thanks!

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  • Level selection view - similiar to Angry Bird's

    - by Piotr
    I am making game and need to prepare view for level selection. Could you recommend me some opensource library which could I use? I need icons to vibrate after long pressing one of them, some callbacks after choosing them, possibility to prepare custom icon's view, page control and horizontal scrolling. I was trying to use OpenSpringBoard but weirdly couldn't see scrollview and pagecontrol working in this project - it seems that there's possibility to use only one page. On the other hand, myLauncher(https://github.com/dlinsin/myLauncher) isn't so easy to include in project, as I need a seperate view with some delegate methods. I need to be compatible with iOS 4.2

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  • That pestky Intel Centrino wireless N + WiMAX 6150 wireless card

    - by newb26
    I'm new to linix and just got Ubuntu up and running on my ASUS laptop last night. Aside from the wireless everything seems to be working. The card is able to recognize networks but cannot make a full connection. After I enter my password it will try to connect before asking for the password again after a few minutes. I know the issue isn't the password because I checked that I had the right one. I've done some poking around trying to find a way to get it work. Linix recognizes the card as well. I found a link to some drivers in a question someone had about a WiMAX 6250 card and am curious if anyone knows if they would also work for the 6150 I have in my machine: https://github.com/ago/wimax-tools If not what can I do?

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  • Does heavy library and snippet codes usage make you a bad programmer?

    - by Henrik P.
    Overall I'm in programming for about 8 years now and it seems to me that I'm relying more and more on open source libraries and snippets (damn you GitHub!) to "get the job done". I know that in time I could write me own implementation but I like to focus on the overall design. Is this normal (non cooperate environment)? Does it make you a bad programmer if "programming" is nothing more than cluing different libraries together. Feels like it. I know about "don't reinvent the wheel" but what happens when you don't invent a single wheel anymore. What's your take on this?

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  • Silverlight Cream for November 17, 2011 -- #1168

    - by Dave Campbell
    In this Issue: Colin Eberhardt, Lazar Nikolov, WindowsPhoneGeek, Jesse Liberty, Peter Kuhn, Derik Whittaker, Chris Koenig, and Jeff Blankenburg(-2-). Above the Fold: Silverlight: "Facebook Graph API and Silverlight Part 2 – Publishing data" Lazar Nikolov WP7: "Suppressing Zoom and Scroll interactions in the Windows Phone 7 WebBrowser Control" Colin Eberhardt Metro/WinRT/W8: "Tip/Trick when working with the Application Bar in WinRT/Metro (C#)" Derik Whittaker Shoutouts: Michael Palermo's latest Desert Mountain Developers is up Michael Washington's latest Visual Studio #LightSwitch Daily is up Pete Brown announced the completion of his book: It’s a wrap! I’ve completed writing Silverlight 5 in Action From SilverlightCream.com: Suppressing Zoom and Scroll interactions in the Windows Phone 7 WebBrowser Control Colin Eberhardt's latest post is all about a helper class he wrote to suppress scrolling and pinch zoom of the WP7 browser control, which you might want to do if the browser is placed inside another control. Facebook Graph API and Silverlight Part 2 – Publishing data In this part 2 of his Facebook and Silverlight series, Lazar Nikolov shows how to post data to your profile or your friends' profiles Localizing a Windows Phone app Step by Step WindowsPhoneGeek's latest post is on Localizing a WP7 app .. another great tutorial with plenty of discussion, pictures, and a project to load up and follow Background Audio Part II: Copying Audio Files To Isolated Storage Continuing his WP7 series, Jesse Liberty has Part 2 of a mini-series on Background Audio up... in this episode he's using local audio and to do so, it must be in ISO Silverlight: Bugs in the multicast client In a Q/A session, Peter Kuhn was presented a nasty bug in the multicast client that he has verified exists in not only Silverlight 4 but also Silverlight 5 Beta, including a link to his entry on Connect. Tip/Trick when working with the Application Bar in WinRT/Metro (C#) Derik Whittaker offers up some good information about the Metro Application Bar and how to keep it where you want it New! Windows Phone Starter Kit for Podcasts Chris Koenig announced the release of a new starter kit for WP7... a starter kit for podcasts. Check out the links on Chris' site and the other two starter kits that are available 31 Days of Mango | Day #4: Compass Jeff Blankenburg continues with Day 4 of his Mango series with this post on the Compass and a cool app to demonstrate it 31 Days of Mango | Day #5: Gyroscope In Day 5, Jeff Blankenburg is talking about and discussing the gyroscope, of course if you have a phone as old as mine, you won't have a gyroscope and it's not on the emulator Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • QAliber

    - by csharp-source.net
    QAliber includes 2 projects: a Visual Studio plug-in and Test Builder + Runner as execute framework. Visual Studio plug-in help writing automatic tests over GUI with control browser and record/play capabilities (but not only, since this project incorporate into development solution API testing is easy to do) The Test Builder is a framework for creating a scenario by simply drag and drop of created building blocks. It already provide big repository of test blocks performing most tasks without coding.

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  • A Quantity class with units

    - by Ryan Ohs
    Goals Create a class that associates a numeric quantity with a unit of measurement. Provide support for simple arithmetic and comparison operations. Implementation An immutable class (Could have been struct but I may try inheritance later) Unit is stored in an enumeration Supported operations: Addition w/ like units Subtraction w/ like units Multiplication by scalar Division by scalar Modulus by scalar Equals() >, >=, <, <=, == IComparable ToString() Implicit cast to Decimal The Source The souce can be downloaded from Github. Notes This class does not support any arithmetic that would modify the unit. This class is not suitable for manipulating currencies. Future Ideas Have a CompositeQuantity class that would allow quantities with unlike units to be combined. Similar currency class with support for allocations/distributions. Provide conversion between units. (Actually I think this would be best placed in an external service. Many situations I deal with require some sort of dynamic conversion ratio.)

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  • Oracle Ebusiness Suite 12.1.3 Oracle VM templates

    - by wcoekaer
    Steven Chan just published a great blog entry that talks about the release of a new set of Oracle VM templates. Oracle Ebusiness Suite 12.1.3. You can find the blog post here. Templates are available for: E-Business Suite 12.1.3 Vision (64-bit) E-Business Suite 12.1.3 Production (32-bit) E-Business Suite 12.x Sparse Middle Tiers (32-bit and 64-bit) Thanks Steven! Why does this stuff matter? Well, in general, virtualization (or cloud) solutions provide an easy way to create Virtual Machines. Whether it's through a "cloud api" or just a virtualization API. But all you end up with, in the end, is still just a Virtual Machine... Maybe with an OS pre-installed/pre-configured. So you have flexibility of moving VMs around and providing a VM but what about the actual applications (anything more than a very basic app)? The application administrator then still has to go and install and configure the OS for that application and install the application and its patches and basic configuration so that the application user then can go in. Building gold images for complex software stacks that are not owned by the users/admins is always very difficult. With our templates, we provide a number of things : Oracle Linux pre-installed and pre-configured with the minimum required packages for that application to run. (so it's secure) Oracle Linux can be distributed and used for free or with a support subscription. There is no trial license, there is no registration key, no alpha version or community version versus enterprise version. You get what we provide in our engineered systems, what we provide support for, without change. Supported out of the box. No virtual Trial appliances, no prototypes, no POC. What you download is production ready without change. The applications are installed by the developers of the application. The database team builds database templates, the applications engineering team builds applications templates. The first boot/configuration scripts ask for the basic information such as hostname, ip address, user passwords and then go off and set everything up correctly. All tested together - application - operating system - hypervisor. not 3 (or more) products from 3(or more) different companies.

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  • Graffiti is a Sinatra-inspired Groovy Framework

    - by kerry
    Playing around with Sinatra the other day and realized I could really use something like this for Groovy. Thus, Graffiti was born. It’s basically a thin wrapper around Jetty. At first, I thought I might write my own server for it (everybody needs to do that once, don’t they?), but decided to invoke the ’simplest thing that could possibly work’ principle. Here is the requisite ‘Hello World’ example: import graffiti.* @Grab('com.goodercode:graffiti:1.0-SNAPSHOT') @Get('/helloworld') def hello() { 'Hello World' } Graffiti.serve this The code, plus more documentation is hosted under my github account.

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  • Go for the Deep Dive on Oracle Products and Technology

    - by Oracle OpenWorld Blog Team
    by Karen Shamban Oracle University gives you more learning for your conference investment. It’s easier than ever before to get in-depth Oracle product and technology training if you’re attending any of the Oracle conferences this fall, including Oracle OpenWorld, the Oracle Customer Experience Summit @ OpenWorld, the Oracle PartnerNetwork Exchange @ OpenWorld, and MySQL Connect. Why is it easier? Because Oracle University preconference training takes place on Sunday, September 30 from 8:00 a.m. to 3:30 p.m. And you’re going to be in town for the conference anyway, right? The training ends early enough in the afternoon that you’ll still be able to get good seats for conference opening keynotes and get psyched for the welcome reception that follows. Each session will be taught by an expert Oracle University instructor and will be fact-packed with demos and tips to help you do more than ever before with your Oracle product and technology investment. The training sessions being offered include: Applications:·             PeopleSoft Test Framework Script Creation and Optimization·             New Integration Technologies for PeopleTools 8.52·             Oracle Fusion Applications: Security Fundamentals Database and Systems:·             Certification Exam Cram: Oracle Database 11g: New Features for Administrators·             Exadata Database Machine Administration Workshop·             Introduction to Big Data·             Using Oracle Enterprise Manager Cloud Control 12c·             Using Java - for PL/SQL and Database Developers Fusion Middleware:·             Developing Portable Java EE Applications with the Enterprise JavaBeans 3.1 API and Java Persistence API 2.0·             Developing Secure Java Web Services·             How The Latest Java EE and SOA Help in Architecting and Designing Robust Enterprise Applications·             Oracle Business Intelligence 11g: Overview to Analyses and Dashboards·             Oracle Fusion Middleware 11g: Build Applications with ADF I·             Oracle Fusion Middleware 11g Administer Forms Services·             Oracle SOA Suite 11g Administration·             WebLogic Server Administration Essentials Don’t miss this great opportunity to maximize your Oracle OpenWorld experience and investment. Learn more about Oracle University training sessions.

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  • youtube-dl not performing as expected on 12.10

    - by J2big
    When I type the video url, it bring out this message instead of download. Please what do I do because I really need to start downloading videos. joshua@joshua-HP-625:~$ youtube-dl http://www.youtube.com/watch?v=h3gPo7qFOFw& feature=player_detailpage [1] 6720 joshua@joshua-HP-625:~$ Hi! We changed distribution method and now youtube-dl needs to update itself one more time. This will only happen once. Simply press enter to go on. Sorry for the trouble! The new location of the binaries is https://github.com/rg3/youtube-dl/downloads, not the git repository.

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  • How to support email subscriptions to many rss feeds

    - by peter
    I am interested in having the option to be able to subscribe to any of my RSS feeds by email, without having to manage any of the email lists. Are there any email delivery services that allow easy subscription to arbitrary feeds? MailChimp's api doesn't allow list creation. The closest I can come up with is linking people to a google alert: http://www.google.com/alerts?q=site:mysite.com/category/food http://www.google.com/alerts?q=site:mysite.com/category/drinks

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  • Retreiving upcoming calendar events from a Google Calendar

    - by brian_ritchie
    Google has a great cloud-based calendar service that is part of their Gmail product.  Besides using it as a personal calendar, you can use it to store events for display on your web site.  The calendar is accessible through Google's GData API for which they provide a C# SDK. Here's some code to retrieve the upcoming entries from the calendar:  .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: Consolas, "Courier New", Courier, Monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: public class CalendarEvent 2: { 3: public string Title { get; set; } 4: public DateTime StartTime { get; set; } 5: } 6:   7: public class CalendarHelper 8: { 9: public static CalendarEvent[] GetUpcomingCalendarEvents 10: (int numberofEvents) 11: { 12: CalendarService service = new CalendarService("youraccount"); 13: EventQuery query = new EventQuery(); 14: query.Uri = new Uri( 15: "http://www.google.com/calendar/feeds/userid/public/full"); 16: query.FutureEvents = true; 17: query.SingleEvents = true; 18: query.SortOrder = CalendarSortOrder.ascending; 19: query.NumberToRetrieve = numberofEvents; 20: query.ExtraParameters = "orderby=starttime"; 21: var events = service.Query(query); 22: return (from e in events.Entries select new CalendarEvent() 23: { StartTime=(e as EventEntry).Times[0].StartTime, 24: Title = e.Title.Text }).ToArray(); 25: } 26: } There are a few special "tricks" to make this work: "SingleEvents" flag will flatten out reoccurring events "FutureEvents", "SortOrder", and the "orderby" parameters will get the upcoming events. "NumberToRetrieve" will limit the amount coming back  I then using Linq to Objects to put the results into my own DTO for use by my model.  It is always a good idea to place data into your own DTO for use within your MVC model.  This protects the rest of your code from changes to the underlying calendar source or API.

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  • Tab Sweep: Primefaces3, @DataSourceDefinition, JPA Extensions, EclipseLink, Typed Query, Ajax, ...

    - by arungupta
    Recent Tips and News on Java, Java EE 6, GlassFish & more : • JSF2 + Primefaces3 + EJB3 & JPA2 Integration Project (@henk53) • The state of @DataSourceDefinition in Java EE (@henk53) • Java Persistence API (JPA) Extensions Reference for EclipseLink (EclipseLink) • JavaFX 2.2 Pie Chart with JPA 2.0 (John Yeary) • Typed Query RESTful Service Example (John Yeary) • How to set environment variables in GlassFish admin console (Jelastic) • Architect Enterprise Applications with Java EE (Oracle University) • Glassfish – Basic authentication (Marco Ghisellini) • Solving GlassFish 3.1/JSF PWC4011 warning (Rafael Nadal) • PrimeFaces AJAX Enabled (John Yeary)

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