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• Tips or techniques to use when you do't know how to code something?

  - by janoChen

  I have a background as UI designer. And I realized that it is a bit hard for me to write a pieces of logic. Sometimes I get it right, but most of the time, I end up with something hacky (and it usually takes a lot of time). And is not that I don't like programming, in fact, I'm starting to like it as much as design. It's just that sometimes I think that I'm better at dealing with colors an shapes, rather than numbers and logic (but I want to change that). What I usually do is to search the solution on the Internet, copy the example, and insert it into my app (I know this is not a very good practice). I've heard that one tip was to write the logic in common English as comment before writing the actual code. What other tips and techniques I can use?

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• System Center Capacity Planner 2007

  - by Colt

  With a recent case that I need to design the system infrastructure as well as the hardware specification of a SharePoint farm for a client, so I go and find the SharePoint Capacity Planner (CP) 2007 to stimulate a user model.Before installting the SharePoint CP 2007, System Center CP is a prerequisite but unfortunity the Microsoft download page is _blank_:  Alternatively, I get the installer from a colleague. However, I face another problem while installing it: The installer has encountered an unexpected error installing this package. This may indicate a problem with the package. The error code is 2738.This issue is happened only in Vista, and the details and solution had been posted on TechNet: C:\Windows\System32\regsvr32 vbscript.dll I can download the SharePoint CP and continue my work now. :)

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• System Center Capacity Planner 2007

  With a recent case that I need to design the system infrastructure as well as the hardware specification of a SharePoint farm for a client, so I go and find the SharePoint Capacity Planner (CP) 2007 to stimulate a user model.Before installting the SharePoint CP 2007, System Center CP is a prerequisite but unfortunity the Microsoft download page is _blank_:  Alternatively, I get the installer from a colleague. However, I face another problem while installing it: The installer...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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• When is the best time to do self learning in relation with software management?

  - by shankbond

  It all started from here. I have been following Software Estimation: Demystifying the Black Art (Best Practices (Microsoft)). The third chapter says that in Software Management: You cannot give too much time to software developers, if you give it to them, then it is likely that extra time given to them will be filled by some other tasks (in other words, the developers will eat that time :)) Parkinson's Law You can also not squeeze the time from their schedule because if you do that, it is likely that they will develop poor quality product, poor design and will hurt you in the long run, there will be a panic situation and total chaos in the project, lots of rework etc. My question is related to the first point. If you don't give enough time then will the typical software engineer learn his/her skills? The market is always coming with new technologies, you need to learn them. Even with the existing familiar technologies there are always best practices and dos and don'ts.

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• Moving Forward with Code Iteration

  - by rcapote

  There are times when working on my programming projects, and I get to a point where I'm ready to move on to the next part of my program. However, when I sit down to implement this new feature I get stuck, in a sense. It's not that I don't know how to implement the feature, it's that I get stuck on figuring out the best way to implement said feature. So I sit back for a day or two and let the ideas ferment until I am comfortable with a design. I get worried that I may not write something as well as it could be, or that I might have to go back and rework the whole thing; so I put it off. This is a big reason why I've never really finished many personal projects. Anyone else experience this, and how do you keep your self moving forward in your project?

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• Links from UK TechDays 2010 sessions on Entity Framework, Parallel Programming and Azure

  - by Eric Nelson

  [I will do some longer posts around my sessions when I get back from holiday next week] Big thanks to all those who attended my 3 sessions at TechDays this week (April 13th and 14th, 2010). I really enjoyed both days and watched some great session – my personal fave being the Silverlight/Expression session by my friend and colleague Mike Taulty. The following links should help get you up and running on each of the technologies. Entity Framework 4 Entity Framework 4 Resources http://bit.ly/ef4resources Entity Framework Team Blog http://blogs.msdn.com/adonet Entity Framework Design Blog http://blogs.msdn.com/efdesign/ Parallel Programming Parallel Computing Developer Center http://msdn.com/concurrency Code samples http://code.msdn.microsoft.com/ParExtSamples Managed Team Blog http://blogs.msdn.com/pfxteam Tools Team Blog http://blogs.msdn.com/visualizeparallel My code samples http://gist.github.com/364522  And PDC 2009 session recordings to watch: Windows Azure Platform UK Site http://bit.ly/landazure UK Community http://bit.ly/ukazure (http://ukazure.ning.com ) Feedback www.mygreatwindowsazureidea.com Azure Diagnostics Manager - A client for Windows Azure Diagnostics Cloud Storage Studio - A client for Windows Azure Storage SQL Azure Migration Wizard http://sqlazuremw.codeplex.com

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• Performance: recursion vs. iteration in Javascript

  - by mastazi

  I have read recently some articles (e.g. http://dailyjs.com/2012/09/14/functional-programming/) about the functional aspects of Javascript and the relationship between Scheme and Javascript (the latter was influenced by the first, which is a functional language, while the O-O aspects are inherited from Self which is a prototyping-based language). However my question is more specific: I was wondering if there are metrics about the performance of recursion vs. iteration in Javascript. I know that in some languages (where by design iteration performs better) the difference is minimal because the interpreter / compiler converts recursion into iteration, however I guess that probably this is not the case of Javascript since it is, at least partially, a functional language.

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• Links and code from session on Entity Framework 4, Parallel and C# 4.0 new features

  - by Eric Nelson

  Last week (12th May 2010) I did a session in the city on lot of the new .NET 4.0 Stuff. My demo code and links below. Code Parallel demos http://gist.github.com/364522  C# 4.0 new features http://gist.github.com/403826  EF4 Links Entity Framework 4 Resources http://bit.ly/ef4resources Entity Framework Team Blog http://blogs.msdn.com/adonet Entity Framework Design Blog http://blogs.msdn.com/efdesign/ Parallel Links Parallel Computing Dev Center http://msdn.com/concurrency Code samples http://code.msdn.microsoft.com/ParExtSamples Managed blog http://blogs.msdn.com/pfxteam Tools blog http://blogs.msdn.com/visualizeparallel C# 4.0 New features http://bit.ly/baq3aU  New in .NET 4.0 Coevolution http://bit.ly/axglst  New in C# 4.0 http://bit.ly/bG1U2Y

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• Sea Ray : le premier Nokia sous Windows Phone présenté en interne par le PDG de Nokia

  Sea Ray : le premier Nokia sous Windows Phone Présenté en interne par le PDG de Nokia Stephen Elop, le PDG de Nokia a promis de livrer les premiers téléphones Nokia Windows Phone à la fin de cette année au lieu de 2012, comme initialement prévu. D'après une vidéo et des images d'une réunion interne qui ont fuité sur internet, le patron du constructeur finlandais aurait même déjà présenté le premier téléphone Nokia Windows Phone baptisé « Sea Ray ». Le nouveau téléphone de Nokia sera équipé d'une camera de 8 mégapixels et embarquera la prochaine mise à jour de Windows Phone Mango. Le design de Sea Ra...

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• OWB 11gR2 for Windows Standalone Installer Now Available!

  - by antonio romero

  The 11gR2 Windows 32-bit standalone is out: http://www.oracle.com/technology/software/products/warehouse/index.html Tips: You may have to clear your browser cache to get the version of the page with the download link. Windows 7 is not specifically supported at this time. If you are on Windows 7, we have anecdotal accounts of Design Center running quite well in XP Mode.  On other 64-bit Windows platforms, we recommend a virtual machine installation of a certified Windows platform. Come and get it! Join our OWB linkedin group: http://www.linkedin.com/groups?gid=140609

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• Sub routing in a SPA site

  - by Anders

  I have a SPA site that I'm working on, I have a requirement that you can have subroutes for a page view model. Im currently using this 'pattern' for the site MyApp.FooViewModel = MyApp.define({ meta: { query: MyApp.Core.Contracts.Queries.FooQuery, title: "Foo" }, init: function (queryResult) { }, prototype: { } }); In the master view model I have a route table this.navigation(new MyApp.RoutesViewModel({ Home: { model: MyApp.HomeViewModel, route: String.empty }, Foo: { model: MyApp.FooViewModel } })); The meta object defines which query should populate the top level view model when its invoked through sammyjs, this is all fine but it does not support sub routing My plan is to change the meta object so that it can (optional offcourse) look like this meta: { query: MyApp.Core.Contracts.Queries.FooQuery, title: "Foo", route: { barId: MyApp.BarViewModel } } When sammyjs detects a barId in the query string the Barmodel will be executed and populated through its own meta object. Is this a good design?

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• Score Minimalist Wallpapers at Simple Desktops

  - by Jason Fitzpatrick

  If you’re looking for some ultra-minimal desktop wallpapers, the curated selection at Simply Desktops has subtle wallpapers for all tastes. Whether you’re looking for something geeky, musically inspired, or abstract, there’s a plethora of minimalist wallpapers to choose from. Curated by Tim Watson, the growing collection showcases wallpapers with an emphasis on minimal design. In addition to browsing the collection via the web you can even automate the process of swapping your minimalist wallpapers by downloading the–currently Mac-only–Simple Desktops app. Hit up the link below to browse their archives, then post a link to your favorite in the comments! Simple Desktops How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1

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• REST API rule about tunneling

  - by miku

  Just read this in the REST API Rulebook: GET and POST must not be used to tunnel other request methods. Tunneling refers to any abuse of HTTP that masks or misrepresents a message’s intent and undermines the protocol’s transparency. A REST API must not compromise its design by misusing HTTP’s request methods in an effort to accommodate clients with limited HTTP vocabulary. Always make proper use of the HTTP methods as specified by the rules in this section. [highlights by me] But then a lot of frameworks use tunneling to expose REST interfaces via HTML forms, since <form> knows only about GET and POST. My most recent example is a MethodRewriteMiddleware for flask (submitted by the author of the framework): http://flask.pocoo.org/snippets/38/. Any ways to comply to the "Rule" without hacks or add-ons in web frameworks?

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• Speaking tomorrow @ JAX, Mainz, Germany

  - by terrencebarr

  Just a quick note: I’ll be speaking at the JAX conference in Mainz, Germany, tomorrow: “JavaFX 2: Java, RIA, Web, and more”, April 17, 18:00 The talk will be giving an overview of JavaFX 2.0, top features, demos, tools, and the roadmap of what’s in store for the technology in 2012 and beyond. Also, be sure to check out the other Oracle sessions: “Java everywhere – The Vision becomes true, again”, Dennis Leung, April 17, 9:00 “Die Oracle-Java-Plattformstrategie zeigt klare Konturen”, Wolfgang Weigend, April 18, 17:30 “Lambdas in Java 8: their Design and Implementation”, Maurizio Cimadamore, April 18, 17:30 “OpenJDK Build Workshop”, Frederik Öhrström, April 18, 20:45 “The Future of Java on Multi-Core, Lambdas, Spliterators and Methods“, Frederik Öhrström, April 19, 10:15 For a complete list of all sessions, see here. Cheers, – Terrence Filed under: Mobile & Embedded Tagged: JavaFX, JAX

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• What are the drawbacks of Python?

  - by Rook

  Python seems all the rage these days, and not undeservingly - for it is truly a language with which one almost enjoys being given a new problem to solve. But, as a wise man once said (calling him a wise man only because I've no idea as to who actually said it; not sure whether he was that wise at all), to really know a language one does not only know its syntax, design, etc., advantages but also its drawbacks. No language is perfect, some are just better than others. So, what would be in your opinion, objective drawbacks of Python. Note: I'm not asking for a language comparison here (i.e. C# is better than Python because ... yadda yadda yadda) - more of an objective (to some level) opinion which language features are badly designed, whether, what are maybe some you're missing in it and so on. If must use another language as a comparison, but only to illustrate a point which would be hard to elaborate on otherwise (i.e. for ease of understanding)

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• Can CSS be copyrighted?

  - by Emily

  I know CSS on a website is protected under the website's copyright since it is considered part of the overall design. I also know that images used inCSS are copyrightable. How about when CSS is used to create images? There is a CSS3 icon set that has a $25 license fee. Another developer claims those images to be copyrighted and that it is illegal to use any of the icons unless you pay the fee. I say you cannot copyright a chunk of code and if I recreate an arrow or disc icon in my CSS (whether I copy his code or write my own) he has no recourse. Can CSS, by itself, be copyrighted?

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• Using idle time in turn-based (RPG) games for updating

  - by The Communist Duck

  If you take any turn based RPG game there will be large periods of time when nothing is happening because the game is looping over 'wait_for_player_input'. Naturally it seems sensible to use this time to update things. However, this immediately seems to suggest that it would need to be threaded. Is this sort of design possible in a single thread? loop: if not check_something_pressed: update_a_very_small_amount else keep going But if we says 'a_very_small_amount' is only updating a single object each loop, it's going to be very slow at updating. How would you go about this, preferably in a single thread? EDIT: I've tagged this language-agnostic as that seems the sensible thing, though anything more specific to Python would be great. ;-)

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• Cool a Computer with Toilet Water

  - by Jason Fitzpatrick

  When most people opt to use water cooling they put together tidy coolant reservoirs complete with ambient lighting and the like. This build involves a hole in the wall and the tank of a functioning toilet. The design, courtesy of Jeff Gagnon, is unconventional, but effective. Opposite of his wall-mounted PC is a bathroom. In that bathroom he has a coolant pump in the tank of the toilet. Using the toilet tank as a thermal sink he keeps the CPU at a nice chilly 66F. Hit up the link below for more pictures, including a peek inside his hacked together toilet-tank cooling rig. How to Cool a PC with Toilet Water [Extreme Tech] How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1

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• What Web Technology to use?

  - by Sven

  Hey guys, I would like to start a project and I am concerning what kind of programming language/web framework to use. There is not that much logic involved. It's about a community-page with a lot of users(not that much at the beginning but I would like to be ready to welcome a lot), that should be able to communicate through private messages and a forum and there will be a lot of content (news, articles) to consume. I also want to provide several authorization settings to provide some content for only specific people. In fact it's about a content management system, but I want to design it functionally myself. And I want to use some external APIs. The only website I can think of with almost similar functionality is pokerstrategy.com. I looked up their job offers and it seems like they use java and php Maybe you guys can give me your thoughts. What would you use to encounter that requirements and how would you apprach? Thank you

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• Does UX matter for enterprise software?

  - by Ryan

  I've come to notice that a lot of software that companies use for managing things like time, expenses, setting up phone systems, etc is very non-intuitive from a user experience point of view. I know personally I waste a lot of time just trying to figure out how to navigate these systems, especially if I don't have a co-worker close by who I can bug to help me out. The help files are usually just as bad as the user interface itself. Are companies that complacent or are there just not any comparable enterprise products out there which do the job for these sorts of tasks? It seems that on the consumer side there is plenty of market opportunity for creating better user experiences, but how about for enterprise software? Obviously a certain level of slickness is not going to matter to a company, but when a better UX design translates to time saved, it's hard to argue against that. Edit: I'm not referring to in-house applications, but rather off the shelf systems from large software companies.

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• What I do in year to get software oriented job [on hold]

  - by Rohit patil

  I am Rohit patil, studing in 4th year Electronics & telecommunications engineering. I have interest in programming language. I completed c, c++, core java course & get basic knowledge. I have 2 choices to do career in web design or mobile applications, I am confused in which is select. I have one year period for preparing for it. So please give me advice about field is better for me & what I do to get command in that field. Thank you.

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• Why is it impossible to produce truly random numbers?

  - by Vinoth Kumar

  I was trying to solve a hobby problem that required generating a million random numbers. But I quickly realized, it is becoming difficult to make them unique. I picked up Algorithm Design Manual to read about random number generation. It has the following paragraph that I am fully not able to understand. Unfortunately, generating random numbers looks a lot easier than it really is. Indeed, it is fundamentally impossible to produce truly random numbers on any deterministic device. Von Neumann [Neu63] said it best: “Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin.” The best we can hope for are pseudo-random numbers, a stream of numbers that appear as if they were generated randomly. Why is it impossible to produce truly random numbers in any deterministic device? What does this sentence mean?

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• Using AntiXss As The Default Encoder For ASP.NET

  Scott Guthrie recently wrote about the new <%: %> syntax for HTML encoding output in ASP.NET 4. I also covered the topic of HTML encoding code nuggets in the past as well providing some insight into our design choices for the approach we took. A commenter to Scotts blog post asked, Will it be possible to extend this so that is uses libraries like AntiXSS instead? See: http://antixss.codeplex.com/ The answer is yes! ASP.NET 4 includes a new extensibility point which allows you to replace...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's the better user experience: Waiting once at startup for a long time or waiting frequently for a short time?

  - by Roflcoptr

  I'm currently design an application that involves a lot of calculation. Now I have generally two possibilities which I have both tested: 1) During startup of the application I calculated only the most important values and these values that consume a lot of time. So the user has to wait approximately 15 seconds during startup. But on the other hand a lot of user interactions require recalculation so that the user often has to wait 2-3 seconds after clicking somewhere until the application has calculated and loaded all values 2) I load everything during startup. This takes from 90 to 120 seconds... This is quite a long time, but the big advantage is that all the user interactions are executed immediately. So what would you generally consider the better approach? Loading all time-consuming operations during startup or when needed?

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• DotNetNuke Hackathon at CDUG

  In May, Nik Kalyani traveled to the Orlando DotNetNuke User Group to present the first DotNetNuke Hackathon event. The Orlando Hackathon was very well attended and focused on teaching developers about the new MVP design pattern and the WebformsMVP framework that was included in DotNetNuke 5.3. What is a Hackathon? A Hackathon is a developer event that occurs over a short period of time. Hackathons are informal events aimed at teaching developers some new technology which the developers then use...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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