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• Structure vs. programming

  - by ChristopherW

  Is it bad that I often find myself spending more time on program structure than actually writing code inside methods? Is this common? I feel I spend more time laying the foundation than actually building the house (metaphorically). While I understand that without a good foundation the house will cave in, but does it legitimately need to take half of the project to finalize code structure? I understand design patterns, and I know where to go if I need help on choosing one, but often I find myself doubting my own choices.

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• Advanced Control Panel Modules - OliverHine.com for DotNetNuke - Video

  How to install and use 2 Advanced Administrator Control Panels for DotNetNuke. This includes an optimized version for faster page load times and a Ribbon Bar version for improved features. The video contains: Introduction Optimised control panel Page load time test result improvements Ribbon Bar control panel Features of the Ribbon Bar How to download the advanced control panel How to install the advanced control panel How to apply one of the advanced control panels to your DotNetNuke installation How to use the Ribbon Bar control panel Page view modes Page functions Add functions Add module functions Copy an existing module Reference an existing module Common Tasks Demonstration of the various control panel view options available Time Length: 10min 47secsDid 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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• Seeking some advice on pursuing MS in CS from Stanford or Carnegie Mellon or Caltech

  - by avi

  What kinds of projects are given preference in top notch colleges like Stanford, Caltech, etc to get admission into MS programme in Computer Science? I have an average academic portfolio. I'm pursuing Btech from a not so popular university in India with an aggregate of 67%. I'm good at designing algorithms and possess good knowledge of core subjects but helpless with my percentage. So, I think the only way I can impress them is with my project(s). Can anyone please suggest me the kinds of projects that are given preference by such top level institutes? Could you please also suggest some good projects? My area of interest would be Artificial Intelligence or any application/software/algorithm design which could be of some help to common people. Or if you have any other random idea for my project then please share it with me. Note: Web based projects and management projects like lib management wouldn't be my priority.

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• If I were to claim I knew C++, what libraries would you expect me to know?

  - by Peter Smith

  I'm unsure as to the definition of knowing a programming language, so I'm picking C++ as an example. How much does it take to someone to be qualified as knowing C++? Should they just know the basic syntax? Template and generic-programming? Compiler flags and their purposes (Wall, the difference between O1, O2 and O3)? STL? Garbage collection strategies? Boost? Common libraries like zlib, curl, and libxml2?

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• Ogre3D : seeking advices about game files management

  - by Tibor

  I'm working on a new game, and its related level editor, based on Ogre3D. I was thinking about how i could manage the game files, knowing that Ogre use .mesh files for models, .material for materials/texture information etc... . At first i thought about a common .zip folder decompressed at runtime (the same way Torchlight and Ogre samples do). But this way the game assets become a monolithic archive, loading takes time, and could be difficult to eventually patch them. So, let's say i have a game object named "Cube" i want to load in my program. Going for modularity, what if i create a compressed file (using zlib compression routines) named Cube.extname, containing its sub-files Cube.mesh, Cube.material and so on ? Are there any alternatives or should i stick with compressed objects? PS: Just to clear things, the answer is unrelated to my program code, at the moment i'm using "resources.cfg" pointing to the OgreSDK media directory.

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• Escaping In Expressions

  The expressions language is a C style syntax, so you may need to escape certain characters, for example: "C:\FolderPath\" + @VariableName Should be "C:\\FolderPath\\" + @VariableName Another use of the escape sequence allows you to specify character codes, like this \xNNNN, where NNNN is the Unicode character code that you want. For example the following expression will produce the same result as the previous example as the Unicode character code 005C equals a back slash character: "C:\x005CFolderPath\x005C" + @VariableName For more information about Unicode characters see http://www.unicode.org/charts/ Literals are also supported within expressions, both string literals using the common escape sequence syntax as well as modifiers which influence the handling of numeric values. See the "Literals (SSIS)":http://msdn2.microsoft.com/en-US/library/ms141001(SQL.90).aspx topic. Using the Unicode escaped character sequence you can make up for the lack of a CHAR function or equivalent.

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• Returning Images from ASP.NET Web API

  - by bipinjoshi

  Sometimes you need to save and retrieve image data in SQL Server as a part of Web API functionality. A common approach is to save images as physical image files on the web server and then store the image URL in a SQL Server database. However, at times you need to store image data directly into a SQL Server database rather than the image URL. While dealing with the later scenario you need to read images from a database and then return this image data from your Web API. This article shows the steps involved in this process. http://www.bipinjoshi.net/articles/4b9922c3-0982-4e8f-812c-488ff4dbd507.aspx

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• how to transform child elements position into a world position

  - by MrGreg

  So Im making a 2d space game and I have a bunch of spaceships that have turrets. Objects have a position and orientation, the ships being in world coordinates while the turrets are children and coordinates are relative to their parents. How do I efficiently calculate the position of a turret in world coordinates (i.e. when it fires and I need to know where to place a bullet in the world)? Calculating the turrets orientation is trivial - I just add the turrets relative angle to its parents. For position though, I guess I could do a bunch of trigonometry but this MUST be a common problem with a good/fast general solution? Should I be relearning how to do matrix math again? :) btw - Im creating the game in javascript+canvas but its the math/algorithm im interested in here Cheers, Greg

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• What are your programming idiosyncrasies?

  - by EpsilonVector

  I noticed that I have a peculiar habit of finishing every line with a space. It carries over from my prose writing where a paragraph can have multiple sentences and so it is very common to follow a period with a space, and I end up doing that automatically for every period (or when it comes to programming- semicolon). It started out as something automatic, but I'm so used to this by now that if I miss the space it actually bothers me and I end up returning to that line to input it. What are some of your programming idiosyncrasies?

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• NEON Intrinsic Support in CE7

  - by Kate Moss' Open Space

  Just a side note for people who may be interested in creating high performance code to take advantage on NEON instruction set but wish to use NEON intrinsic instaed of coding assembly. Compiler won't generate NEON opcode unless application use the NEON intrinsic explicitly. Basically, you need ARMv7 build enviroment, so compiler can emit NEON opcode. Intrinsic prototype can be found in public\COMMON\sdk\inc\arm_neon.h and that is all you got. If you ever find an NEON opcode does not have corresponding intrinsic, you still need to use the old trick - write that part of code in assembly.

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• What are the packages/libraries I should install before compiling Python from source?

  - by Lennart Regebro

  Once in a while I need to install a new Ubuntu (I used it both for desktop and servers) and I always forget a couple of libraries I should have installed before compiling, meaning I have to recompile, and it's getting annoying. So now I want to make a complete list of all library packages to install before compiling Python (and preferably how optional they are). Off the top of my head I can remember these: build-essential (obviously) libz-dev (also pretty common and essential) libreadline-dev (or the Python prompt is crap) But I know there are many more. Please tell me and I'll update.

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• Independent projects as a student to show off abilities

  - by tufcat

  I'm an inexperienced student (having learned up to data structures and algorithms through various online resources) of computer science, and I'm hoping to get a job as a developer some time after I've gotten a few independent projects done. My question is, how should I choose which projects to work on? I've been looking around stackoverflow-- people usually say to pick whatever you're interested in, but I don't have enough experience to even know what specifically I'm interested in, and possibly more importantly, I don't know what some common beginner project types are. Essentially, I'm at the gap between course work (and the projects entailed in those classes) and real programming, and I don't quite know how to start. If any of you have any ideas, I'd really appreciate it.

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• Getting solutions off the internet. Bad or Good? [closed]

  - by Prometheus87

  I was looking on the internet for common interview questions. I came upon one that was about finding the occurrences of certain characters in an array. The solution written right below it was in my opinion very elegant. But then another thought came to my mind that, this solution is way better than what came to my mind. So even though I know the solution (that most probably someone with a better IQ had provided) my IQ was still the same. So that means that even though i may know the answer, it still wasn't mine. hence if that question was asked and i was hired upon my answer to that question i couldn't reproduce that same elegance in my other ventures within the organization My question is what do you guys think about such "borrowed intelligence"? Is it good? Do you feel that if solutions are found off the internet, it makes you think in that same more elegant way?

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• Is it better to define all routes in the Global.asax than to define separately in the areas?

  - by Matthew Patrick Cashatt

  I am working on a MVC 4 project that will serve as an API layer of a larger application. The developers that came before me set up separate Areas to separate different API requests (i.e Search, Customers, Products, and so forth). I am noticing that each Area has separate Area registration classes that define routes for that area. However, the routes defined are not area-specific (i.e. {controller}/{action}/{id} might be defined redundantly in a couple of areas). My instinct would be to move all of these route definitions to a common place like the Global.asax to avoid redundancy and collisions, but I am not sure if I am correct about that.

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• Attached Property port of my Window Close Behavior

  - by Reed

  Nishant Sivakumar just posted a nice article on The Code Project.  It is a port of the MVVM-friendly Blend Behavior I wrote about in a previous article to WPF using Attached Properties. While similar to the WindowCloseBehavior code I posted on the Expression Code Gallery, Nishant Sivakumar’s version works in WPF without taking a dependency on the Expression Blend SDK. I highly recommend reading this article: Handling a Window’s Closed and Closing Events in the View-Model.  It is a very nice alternative approach to this common problem in MVVM.

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• Best way to store motion changes to reduce memory

  - by Andrew Simpson

  I am comparing jpeg to jpeg in a constant 'video-stream'. i am using EMGU/OpenCV to compare each pixels at the byte level. There are 3 channels to each image (RGB). I had heard that it is common practice to store only the pixels that have changed between frames as a way of conserving memory space. But, if for instance/example I say EVERY pixel has changed (pls note i am using an exaggerated example to make my point and i would normally discard such large changes) then the resultant bytes saved is 3 times larger than the original jpeg. How can I store such motion changes efficiently? thanks

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• Is there a list of shortcuts which are not reserved in any major browser?

  - by MainMa

  In the past, when I implemented shortcuts for web applications, I used different ones for different browsers: for example Ctrl+Shift+A was used in Chrome, but would be something else, like Ctrl+Shift+C in Firefox, since Firefox reserves the Ctrl+Shift+A shortcut for add-ons. Actually, I have a project where it would be nice to have the same shortcuts for every browser. Is there a list of shortcuts which are not reserved in any major browser (Chrome, Firefox, Safari, IE and Opera) or do I have to do my own by listing? Google wasn't helpful, since it rather shows the list of shortcuts which are common to all major browsers.

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• Are there any specific workflows or design patterns that are commonly used to create large functional programming applications?

  - by Andrew

  I have been exploring Clojure for a while now, although I haven't used it on any nontrivial projects. Basically, I have just been getting comfortable with the syntax and some of the idioms. Coming from an OOP background, with Clojure being the first functional language that I have looked very much into, I'm naturally not as comfortable with the functional way of doing things. That said, are there any specific workflows or design patterns that are common with creating large functional applications? I'd really like to start using functional programming "for real", but I'm afraid that with my current lack of expertise, it would result in an epic fail. The "Gang of Four" is such a standard for OO programmers, but is there anything similar that is more directed at the functional paradigm? Most of the resources that I have found have great programming nuggets, but they don't step back to give a broader, more architectural look.

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• RibbonBar Control Panel Backported to DotNetNuke Community Edition

  I am pleased to announce that once again we are backporting a feature from DotNetNuke Professional Edition to the Community Edition. In DotNetNuke 5.3 PE we added a new control panel which leverages the Telerik TabStrip to provide increased functionality over the previous IconBar. Some of the new control panel functionality makes common tasks even easier and provides more streamlined access to some administrative areas of the application.More......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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• Will mono be carried forward by upgrading to 12.04?

  - by vasa1

  I plan to upgrade from 11.10 to 12.04 when 12.04 is released. I noticed from my previous experience in upgrading from 11.04 to 11.10, that Synaptic, which was dropped in 11.10, was retained on my system presumably because I upgraded from 11.04 (which did have Synaptic by default) and didn't do a new install. Given that Synaptic was retained, my question relates to mono. According to the list here, I don't have any programs that need mono. (I've just purged Banshee.) If I don't remove mono, will it be carried forward when I upgrade to 12.04 just like Synaptic was? If the suggestion is to remove mono before the upgrade to 12.04, is sudo apt-get purge libmono* libgdiplus cli-common libglitz-glx1 libglitz1 still the recommended way to remove mono-associated material from 11.10?

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• A Tour of the 20 Built-in Apps on Windows 8 and What They Can Do

  - by Chris Hoffman

  Windows 8’s new touch-first Modern interface includes quite a few apps. Before you start looking at the Windows Store to find new apps, take a look at the included apps and what they can do. These apps share a few things in common. They all have a minimal feel that emphasizes content, most have support for live tiles that show updated information on the Start screen, and most push Microsoft’s online services. How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• Wubi 12.04 boot error message

  - by Leandro

  Im having a boot problem with my Wubi 12.04 system. When Ubuntu starts to boot up, a message will appear in my screen and it's something like: T#s..... does not exist Sorry, I couldn't read all the message. Then another message pop-out after Ubuntu loading screen this time the message is this: Gave up waiting for root device. Common problems: -Boot args (cat /proc/cmdline) -check rootdelay= (did the system wait long enough?) -check root= (did the system wait for the right device?) -missing module (cat /proc/module: ls /dev) ALERT! /dev/disk/by/by_uuid/EODC2345DC231576 does not exist. Dropping to a shell

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• New videos available #dax #ssas #powerpivot

  - by Marco Russo (SQLBI)

  The collaboration I and Alberto started with Project Botticelli is starting producing content. At this point we have three videos available: DAX in Action shows the power of DAX in PowerPivot solving common patterns not so easy or fast to solve in other languages DAX: Calculated Columns vs. Measures shows the difference between calculated columns and measures in DAX Introduction to DAX has a content corresponding to the title! The first two videos are freely available, the third one is longer and visible only to subscribers. The goal for this series of video is to reach advanced Excel users and BI developers that are new to DAX. If we should categorize this content, it’s a sort of level 200 session in a conference. I don’t expect readers of this blog to watch this video (if not for the sake of curiosity!) but if you have to explain this subject to anyone else and you have other priorities… well, you can add this post to the list of resources you provide for studying the subject!

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• HLSL problem with divide by homogeneous component

  - by Berend

  When I try to divide my position.z by my position.w in HLSL I get as result always 1.0f or higher. Is this a common problem for some reason? When I divide my position.x or y by the w this works fine. But the divide for the z gives a wrong result. I use the view matrix for my camera and the projection matrix as i use it in the game because I want to create a depthmap from the cameraposition. Can anybody explain what I'm doing wrong? Do I need another view matrix?

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• UPK Pre-Built Content Update

  - by Karen Rihs

  UPK pre-built content development efforts are always underway and growing. Over the last few months, the following new and upgraded modules became available:  NEW CONTENT RELEASES E-Business Suite 12.1 Field Service Manufacturing Operations Center Process Manufacturing:  System Administration Strategic Network Optimization U.S. Federal Financials Oracle Communications 11.1 Oracle Communications UPK for Pricing Design Center, Voice and Data Offerings Oracle Mobile Workforce 2.1.0 Administrative Setup User Tasks Primavera Primavera Portfolio Management 9.0 UPK CONTENT UPGRADES JDE E1 9.1 HCM Fundamentals for EnterpriseOne Manufacturing - Product Data Management Manufacturing Management Discrete Shop Floor Management Procurement and Subcontract Management JDE World A9.3 Accounts Payable Address Book  Common Foundation General Ledger For a list of modules currently available for each product line, visit the UPK Resource Library on Oracle.com. For more information on how your organization can take advantage of UPK pre-built content, see our previous blog,  The Value of UPK Pre-Built Content. - Karen Rihs, UPK Outbound Product Management

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