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  • Commercial Software Development – my presentation for DDD Scotland now available for download

    - by Liam Westley
    Thanks to everyone who voted me onto the DDD Scotland agenda, and for the fantastic audience some of whom you can see in Craig Murphy's photos of the event, http://www.flickr.com/photos/craigmurphy/4592461745/in/set-72157624025673156 http://www.flickr.com/photos/craigmurphy/4592467645/in/set-72157624025673156 I hope those who came enjoyed the session had a good time, and for them or those who were on one of the other tracks, or who couldn’t squeeze in; I’ve uploaded the presentation for you to download.  I created a more simple, and smaller, PowerPoint without all the fancy animations and video clips, which is available as a compressed ZIP file,   http://www.tigernews.co.uk/blog-twickers/dddscot/commercialsoftwaredev.zip I also printed the presentation with speaker notes (which contain most of the information I was talking about) using PDFCreator, which is available as an Adobe Acrobat PDF here,   http://www.tigernews.co.uk/blog-twickers/dddscot/commercialsoftwaredev.pdf ... and if PowerPoint presentations don't do it for you, also thanks to Craig Murphy, you can watch a video of the presentation that I gave at DDD8 in Microsoft TVP, Reading,  http://vimeo.com/9216563

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  • TDD and your emerging design

    - by andrewstopford
    I was at DevWeek last week, it was a great week and I got a chance to speak with some of my geek heroes (Jeff Richter is a walking, talking CLR). One of the folks I most enjoyed listening to was ThoughtWorker Neal Ford who gave a session on emergeant design in TDD. Something struck me about the RGR cycle in TDD in that design could either be missed or misplaced if the refactor phase is never carried out and after the inital green phase the design is considered done. In TDD the emergant design that evolves as part of the cycle is key to the approach.  Neal talked about using cyclometric complexity as a measure of your emerging design but other considerations would surely include SOLID and DRY during the cycles. As you refactor to these kinds of design principles your design evolves.

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  • What Functional features are worth a little OOP confusion for the benefits they bring?

    - by bonomo
    After learning functional programming in Haskell and F#, the OOP paradigm seems ass-backwards with classes, interfaces, objects. Which aspects of FP can I bring to work that my co-workers can understand? Are any FP styles worth talking to my boss about retraining my team so that we can use them? Possible aspects of FP: Immutability Partial Application and Currying First Class Functions (function pointers / Functional Objects / Strategy Pattern) Lazy Evaluation (and Monads) Pure Functions (no side effects) Expressions (vs. Statements - each line of code produces a value instead of, or in addition to causing side effects) Recursion Pattern Matching Is it a free-for-all where we can do whatever the programming language supports to the limit that language supports it? Or is there a better guideline?

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  • Eclipse ADT: Layout Properties Editor doesn't work correctly

    - by NullNoname
    I have a new, clean installation of Eclipse Kepler (4.3.1) SR1 (x64) in Linux Mint 15 Olivia x64 (based on Ubuntu 13.04 “Raring Ringtail”). ADT version is 22.3.0, and Java is Oracle's 1.7.0_45. The problem is, I cannot edit the properties in layout editor; nothing happens when I click "..." button, nor I can edit the properties directly by clicking the empty space. The boolean properties don't even contain the checkbox. This doesn't happen in Windows XP 32bit, with the same versions of Eclipse and ADT: Anyone know any workarounds/reasons for this? Looks like Mac OS X Mountain Lion had a similar issue in the past, but I heard that was fixed, and I'm talking about Linux version here. I had no such problems in Eclipse Indigo and an old version of ADT, but I can't remember the exact versions of them. EDIT: Lubuntu 13.04 (32bit) in VMware Player doesn't have this problem.

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  • On Contract Employment

    - by kerry
    I am going to post about something I don’t post about a lot, the business side of development.  Scott at the antipimp does a good job of explaining how contracts work from a business perspective.  I am going to give a view from the ground. First, a little background on myself.  I have recently taken a 6 month contract after about 8 years of fulltime employment.  I have 2 kids, and a stay at home wife.  I took this contract opportunity because I wanted to try it on for size.  I have always wondered whether I would like doing contracts over fulltime employment.  So, in keeping with the theme of this blog I will write this down now so that I may reference it later. ALL jobs are temporary! Right now you may not realize it, most people simply ignore it, but EVERY job is temporary.  Everyone should be planning for life after the money stops coming in.  Sadly, most people do not.  Contracting pushes this issue to the forefront, making you deal with it.  After a month on a contract, I am happy to say that I am saving more than I ever saved in a fulltime position.  Hopefully, I will be ready in case of an extended window of unemployment between contracts. Networking I find it extremely gratifying getting to know people.  It is especially beneficial when moving to a new city.  What better way to go out and meet people in your field than to work a few contracts?  6 months of working beside someone and you get to know them pretty well.  This is one of my favorite aspects. Technical Agility Moving between IS shops takes (or molds you into) a flexible person.  You have to be able to go in and hit the ground running.  This means you need to be able to sit down and start work on a large codebase working in a language that you may or may not have that much experience in.  It is also an excellent way to learn new languages and broaden your technical skill set.  I took my current position to learn Ruby.  A month ago, I had only used it in passing, but now I am using it every day.  It’s a tragedy in this field when people start coding for the joy and love of coding, then become deeply entrenched in their companies methods and technologies that it becomes a just a job. Less Stress I am not talking about the kind of stress you get from a jackass boss.  I am talking about the kind of stress I (or others) experience about planning and future proofing your code.  Not saying I stay up at night worrying whether we have done it right, if that code I wrote today is going to bite me later, but it still creeps around in the dark recesses of my mind.  Careful though, I am not suggesting you write sloppy code; just defer any large architectural or design decisions to the ‘code owners’. Flexible Scheduling It makes me very happy to be able to cut out a few hours early on a Friday (provided the work is done) and start the weekend off early by going to the pool, or taking the kids to the park.  Contracting provides you this opportunity (mileage may vary).  Most of your fulltime brethren will not care, they will be jealous that they’re corporate policy prevents them from doing the same.  However, you must be mindful of situations where this is not appropriate, and don’t over do it.  You are there to work after all. Affirmation of Need Have you ever been stuck in a job where you thought you were underpaid?  Have you ever been in a position where you felt like there was not enough workload for you?  This is not a problem for contractors.  When you start a contract it is understood that you are needed, and the employer knows that you are happy with the terms. Contracting may not be for everyone.  But, if you develop a relationship with a good consulting firm, keep their clients happy, then they will keep you happy.  They want you to work almost as much as you do.  Just be sure and plan financially for any windows of unemployment.

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  • Showing support for Movember 2012

    - by Christian
    Somehow, I managed to miss Movember last year but this year I’m lined-up to grow an outrageous moustache for charity. Movember is a global movement which aims to raise awareness of men’s health and supports prostate and testicular cancer initiatives.  On the 1st of November hundreds of thousands of men around the world will start a journey to grow and groom a moustache for the 30 days of November becoming walking, talking billboards for men’s health. I’ll also be parading my Mo’s progress in Seattle next week during the SQL PASS Summit so be sure to look out for me and show some support! If you’d like to give a donation to support this worthy cause you can visit my Mo Space by clicking on the logos where you’ll also find more details about Movember and where the money goes. Finally, if you’re a Coeo employee, customer, or partner and you’d like to join the Coeo Mo Bro Team drop me an email and I’ll sign you up! Thanks for your support! Christian Bolton - MCA, MCM, MVP Technical Director http://coeo.com - SQL Server Consulting & Managed Services

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  • Road Trip with Carl Franklin and Richard Campbell

    I was lucky enough to got invited to join Carl and Richard on their road trip from Redlands to Phoenix. You can be the lucky one on their next stop. What an experience to share 5 hours on a RV with them, there isnt anywhere to hide in a RV, they pretty much gracefully answered all my questions. No many times you are given the chance to borrow brilliant minds. I can listen to them all day long talking about technology and what the industry changes during the year, I enjoyed the laid down from...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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  • ASP.NET 4.0 meta tags and Search engine optimisation

    - by nikolaosk
    I am thinking to create a new series of posts regarding ASP.NET and SEO (Search Engine Optimisation). I am going to start with this post , talking about some new features that make our asp.net apps more SEO friendly. At the end of the day, there is no point having a great application and somehow "scare" the search engines away. This is going to be a short post so let's quickly have a look at meta keywords and ASP.NET 4.0. Meta keywords and description are important elements of a page and make it...(read more)

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  • Derek Brink shares "Worst Practices in IT Security"

    - by Darin Pendergraft
    Derek Brink is Vice President and Research Fellow in IT Security for the Aberdeen Group.  He has established himself as an IT Security Expert having a long and impressive career with companies and organizations ranging from RSA, Sun, HP, the PKI Forum and the Central Intelligence Agency.  So shouldn't he be talking about "Best Practices in IT Security?" In his latest blog he talks about the thought processes that drive the wrong behavior, and very cleverly shows how that incorrect thinking exposes weaknesses in our IT environments. Check out his latest blog post titled: "The Screwtape CISO: Memo #1 (silos, stovepipes and point solutions)"

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  • Mixing Objective-C and C++: Game Loop Parts

    - by Peteyslatts
    I'm trying to write all of my game in C++ except for drawing and game loop timing. Those parts are going to be in Objective-C for iOS. Right now, I have ViewController handling the update cycle, but I want to create a GameModel class that ViewController could update. I want GameModel to be in C++. I know how to integrate these two classes. My problem is how to have these two parts interact with the drawing and image loading. GameModel will keep track of a list of children of type GameObject. These GameObjects update every frame, and then need to pass position and visibility data to whatever class or method will handle drawing. I feel like I'm answering my own question now (talking it out helps) but would it be a good idea to put all of the visible game objects into an array at the end of the update method, return it, and use that to update graphics inside ViewController?

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  • #AJIReport 16 | Jason Bock on Windows Runtime and Metaprogramming

    - by Jeff Julian
    This episode we sit down with Jason Bock to talk about Windows Runtime and his upcoming book on Metaprogramming. Jason has been a consultant at Magenic for the past 11 years. In this show, Jason walks us through how to get started with Windows RT and talks about what the experience is like deploying to the Windows Store. We get into the new frontier of device development and the restrictions that are in place to protect the users and other applications. Towards the end of the show we start talking about Jason's book on Metaprogramming that he is co-authoring with Kevin Hazard. Listen to the Show Site: http://www.jasonbock.net/ Book: Metaprogramming in .NET Twitter: @JasonBock

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  • LIDNUG: Effective Silverlight with SharePoint 2010

    - by Sahil Malik
    Ad:: SharePoint 2007 Training in .NET 3.5 technologies (more information). This is a free virtual event that you attend right from your computer. I will be talking about using Silverlight in SharePoint 2010. Description: In this session Sahil talks about how to write, debug, develop, and deploy Silverlight applications effectively in SharePoint. The entire talk is almost no slides and all code, so there is plenty to chew on! Don’t miss!!Starts:Sunday May 02, 2010, 11:00AM Ends:Sunday May 02, 2010, 12:30PM More details Comment on the article ....

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  • Pure virtual or abstract, what's in a name?

    - by Steven Jeuris
    While discussing a question about virtual functions on Stack Overflow, I wondered whether there was any official naming for pure (abstract) and non-pure virtual functions. I always relied on wikipedia for my information, which states that pure and non-pure virtual functions are the general term. Unfortunately, the article doesn't back it up with a origin or references. To quote Jon Skeet's answer to my reply that pure and non-pure are the general term used: @Steven: Hmm... possibly, but I've only ever seen it in the context of C++ before. I suspect anyone talking about them is likely to have a C++ background :) Did the terms originate from C++, or were they first defined or implemented in a earlier language, and are they the 'official' scientific terms?

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  • How Aluminum Anodizing Works [Video]

    - by Jason Fitzpatrick
    Whether we’re talking about a pricey iPod or a cheap carabiner to hold your keys, anodized metals are all around us. Check out this video to see how the process actually works. Courtesy of Bill Hammack, the Engineer Guy, another great video detailing the processes behind products we take for granted. In this installment we learn more about the process of anodizing metals. [via Make] HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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  • Microsoft OneNote alternative?

    - by YSN
    Hi folks! Is there any program for Linux that has about the same functionality and usability as Microsoft OneNote? At the moment I am checking out Basket (for KDE), that seems to point to the right direction, but still lacks much of the functionality of OneNote and is very buggy unfortunately. For those of you, who do not know OneNote and want to get an idea of what I am talking about, please see the following video: http://www.youtube.com/watch?v=xdi67tnx6nA Any alternative suggestions (including a combination of different tools or apps running in wine) are very much appreciated. Thanks, YSN

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  • Do premium domain names help us with other languages too?

    - by Fabio Milheiro
    It's commonly known that premium domains with one or two relevant keywords may help us improve our rankings in SERPS. But would it be possible that an english premium domain, for example gold.com (no, it's not mine) also helps to drive more non-english traffic (I'm talking about non-english pages ob)? Trying to make my question clear: Let's suppose that I have an english premium domain with a page like this: gold dot com/post/123/gold-is-yellow And decide to have a spanish, portuguese or french version of the site with pages like: gold dot com/es/post/123/el-oro-es-amarillo gold dot com/pt/post/123/o-ouro-e-amarelo gold dot com/fr/post/123/fsdfsdfsdf The fact that my english domain is a premium one and highly relevant for english terms, will also help me to achieve good rankings for non-english searched terms like: oro (spanish) or ouro (portuguese)?

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  • How I understood monads, part 1/2: sleepless and self-loathing in Seattle

    For some time now, I had been noticing some interest for monads, mostly in the form of unintelligible (to me) blog posts and comments saying oh, yeah, thats a monad about random stuff as if it were absolutely obvious and if I didnt know what they were talking about, I was probably an uneducated idiot, ignorant about the simplest and most fundamental concepts of functional programming. Fair enough, I am pretty much exactly that. Being the kind of guy who can spend eight years in college just to...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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  • GDC 2012: Porting your game to NaCl

    GDC 2012: Porting your game to NaCl (Pre-recorded GDC content) This talk will cover the nuances of porting your existing C++ game to Native Client. We'll talk about the application specific problems, how to deal with the Pepper Thread, along with platform APIs like FileIO, rendering and Audio. In addition we'll cover common issues with the Chrome Web store, distribution, and monetization. Finally, we'll be talking about exciting news and roadmaps for native client moving forward. If you're interested in NaCl, or want to learn more, this is the talk for you! Speaker: Colt McAnlis From: GoogleDevelopers Views: 3957 65 ratings Time: 36:40 More in Science & Technology

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  • Triggering custom events in AJAX callbacks

    - by Sabrina Gelbart
    I'm pretty new to JavaScript, but one of the things that's been frustrating is that our AJAX callbacks have been getting packed with different functionality, making it difficult to keep everything separated and organized. I'm really new to programming, I have a feeling learning MVC a bit more would help me, but for now using custom events seems like it could help me keep my code a lot cleaner and prevent some problems. Here's what I'm talking about: function myAjaxFunction(){ $.post('ajax/test.html', function(data) { $(document).trigger('testDataLoaded',data); }); } function myOtherFunctionThatsDependentUponAjax(){ $(document).one('testDataLoaded', function(data){ alert (data); } } I also don't know if it's ok that I'm triggering document or not... Are there any patterns that look like this that I can read more about? What are the potential problems with this?

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  • What rules of etiquette should be followed at software conferences?

    - by shemnon
    Whether as an attendee, a speaker, or a vendor I wanted to know what the unspoken rules of etiquette are at software conferences. Other than the blindingly obvious ones (like don't assault the winner of the iPad raffle because you didn't win). What are some of the rules that should be followed, even if you feel they don't need to be said? i.e. what t-shirts are acceptable (like from competing technologies or conferences), playing Wii at vendor booths at Microsoft sponsored conferences, cancelling sessions due to low (one hand) attendance, showering, 'Attendees of Size' spilling over into your seat, talking and eating during sessions or keynotes, etc. Please, one rule per answer, with the summary in bold leading the answer. Post multiple answers if you have multiple rules.

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  • Developing for iOS on Linux

    - by Jay
    I am looking for an engine or library to develop a game for iOS on Linux. High level, low level, GUI, no GUI, does not matter too much. I am really looking for anything. I'm not actually talking about deploying to iOS from Linux or anything like. I just want to do the bulk of the work on Linux, with minimal changes required to run it on iOS. Edit: YES, I do have access to a Mac, but it is limited. So I want to be able to work on the project on my regular Ubuntu box. Also, I am in the paid developer program, so I can deploy to iOS devices from the Mac.

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  • Sun2Oracle: Hub City Media Webcast Reminder - Thursday, September 13, 2012

    - by Darin Pendergraft
    Our Sun2Oracle webcast featuring Steve Giovanetti from Hub City Media is this Thursday, September 13th at 10:00 am PST.  If you haven't registered yet, there is still time: Register Here. Scott Bonell, Sr. Director of Product Management will be talking to Steve about their recent project to upgrade a large University from Sun DSEE Directory to Oracle Unified Directory.  Scott and Steve will talk through details of the project, from planning through implementation. In addition to this webcast, Steve Giovanetti will also be participating in two sessions at Oracle OpenWorld 2012: CON9465 - Next-Generation Directory: Oracle Unified Directory  Etienne Remillon, Principal Product Manager, Oracle  Steve Giovanetti, CTO Hub City Media  Warren Leung, Sr. Architect, UCLA  Tuesday, Oct 2, 5:00 PM – 6:00 PM  Moscone West – 3008 CON5749 - Solutions for Migration of Oracle Waveset to Oracle Identity Manager Steve Giovanetti, CTO Hub City Media Kevin Moulton, Senior Sales Consulting  Manager, Oracle Thursday, Oct 4, 11:15 AM - 12:15 PM Moscone West - 3008

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  • How to capitalize maximally on location-independence … my personal #1-incentive for working as a developer

    - by SomeGuy
    To me the ultimate beauty in working as a developer is the fact that given a nice CV, your are going to find a new job, everywhere at any time. So I would like to ask if somebody here as experience in working while travelling for example. Or job-hopping from metropolis to metropolis every, say, six months. For example I have been investigating for how to get to Brazil. But it seems like that working as an employee in Brazil would be no option, b/c it takes a lot of time/money/effort to get the proper visas and permissions. So the only practical solution would be to freelance and the just travel, while getting your job done wherever you are. I bet my ass that there are loads of IT-guys out there and on here who know exactly what I am talking about. I'm looking forward to interesting ideas and stories.

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  • KISS and Tell - MVVM and the ViewModelLocator

    - by Bobby Diaz
    A popular topic that comes up when talking about MVVM is the use of a ViewModelLocator and the many different ways one can be implemented.  Rather than getting into the pros and cons on when or why you should use it, I decided I would just post my version of a simple ViewModelLocator and let those who like it use it, and those who don’t, well you know…  :) First, a disclaimer.  I have not used this code in a production application, it is just something I was tossing around while reading others’ posts on the subject. 1. MainView.xaml   2. MainViewModel.cs 3. ViewModelLocator.cs   I have a codepaste of the ViewModelLocator.cs file if you are interested but don’t feel like re-typing the 50 lines of code! Enjoy! Additional Resources Simple ViewModel Locator for MVVM: The Patients Have Left the Asylum - by John Papa ViewModel binding with the Managed Extensibility Framework - by Jeremy Likness MVVM Light Toolkit - by Laurent Bugnion

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  • Rails noob - How to work on data stored in models

    - by Raghav Kanwal
    I'm a beginner to Ruby and Rails, and I have made a couple applications like a Microposts clone and a Todo-List for starters, but I'm starting work on another project. I've got 2 models - user and tracker, you log in via the username which is authenticated and you can log down data which is stored in the tracker table. The tracker has a column named "Calories" and I would like Rails to sum all of the values entered if they are on the same date, and output the result which is subtracted from, say 3000 in a new statement after the display of the model. I know what I'm talking about is just ruby code, im just not sure how to incorporate it. :( Could someone please guide me through this? And also link me to some guides/tutorials which teach working on data from models? Thank you :)

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