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• Writing Efficient SQL: Set-Based Speed Phreakery

  Phil Factor's SQL Speed Phreak challenge is an event where coders battle to produce the fastest code to solve a common reporting problem on large data sets. It isn't that easy on the spectators, since the programmers don't score extra points for commenting their code. Mercifully, Kathi is on hand to explain some of the TSQL coding secrets that go to producing blistering performance.

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• How to parse and convert a delegate into an expression tree

  Describes how to use c# dynamics to convert a delegate into an expression tree

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• Using the WPF FocusScope

  Explains why WPF seems to break if you try to use FocusScope, and provides a simple solution.

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• Are there any formal approaches for familiarising oneself with a new or legacy codebase? [closed]

  - by codecowboy

  Possible Duplicate: How do you dive into large code bases? As a contractor, I often encounter legacy codebases which might have little or no supporting documentation. Are there any techniques or best practices? I work with PHP and web applications, though also face situations in which I have to edit code in an unfamiliar language. How can I leave a codebase in better shape, learn something along the way and impress the team I'm working with?

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• Streaming server using Direct Show and Windows Media Format

  A simple streaming server using Direct Show and Windows Media Format SDK

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• Win32 Thread Pool

  An implementation of a Thread Pool in C++ for Windows

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• A tale of two (and more) apps

  Robert Cooper gave a great lightning talk at our recent Atlanta GTUG meetup, where he discussed using a single codebase to target multiple mediums (e.g. Android, Facebook, Wave...

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• Google I/O 2012 - Not Just a Map

  Google I/O 2012 - Not Just a Map Josh Livni, Nabil Naghdy The Google Maps API is the most popular mapping platform in the world, but it offers developers and users so much more than just a map. In this session we'll review the wealth of additional value that the Maps API has to offer, and the essential features that developers should be aware of across a number of verticals, including real estate, travel, and retail. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 694 0 ratings Time: 50:50 More in Science & Technology

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• DMS Coordinates Converter

  This is a tool for people that have to work with "Decimal Degrees", "Degrees, Decimal Minutes" and "Degrees, Minutes, Seconds" formats.

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• Developing facebook connect application using asp.net

  Step approach for developing a facebook connect application with asp.net

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• Google Maps API Office Hours

  Google Maps API Office Hours Interested in knowing more about the Google Maps API announcements that were made at I/O? During this week's Google Maps API Office Hours, +Josh Livni and +Paul Saxman will give an overview of the Google Maps API features that were announced at I/O, and will talk about the I/O session content that is now available online. The next Office Hours will be this Tuesday at 11am, Pacific Time. Bring your questions, and join us there! From: GoogleDevelopers Views: 167 9 ratings Time: 21:25 More in Science & Technology

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• Classic vs universal Google analytics and loss of historical data

  - by iss42

  I'm keen to use some of the new features in Google Universal Analytics. I have an old site though that I don't want to lose the historical data for. The comparisons with historical data are interesting for example. However Google doesn't appear to allow you to change a property from the classic code to the new code. Am I missing something? I'm surprised this isn't a bigger issue for many other users.

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• Announcing the Drive Installation Scope

  Announcing the Drive Installation Scope On September 12, Google Drive released a new feature of great interest to many Drive web app developers: the installation scope. In this session we'll discuss the benefits of the installation scope, walk through the related documentation, and do a brief demo of how it works. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• Dumping .NET classes to debug output

  Class to convert .NET classes into readable debug output with less effort

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• Google Maps Developers Live: Mapping with Style

  Google Maps Developers Live: Mapping with Style Compelling and informative map visualizations require simple, yet useful, maps... and some beautiful data. For this episode of Google Maps Developers Live, Paul Saxman discusses how he designed a few of his favorite map styles, and shares a few of his tools and techniques for designing maps for visualizations. From: GoogleDevelopers Views: 0 0 ratings Time: 30:00 More in Education

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• 2D LUA Based Robot Simulator

  An article on designing your own robot simulator

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• WebSocket Protocol Updated

  WebSocket is "TCP for the Web," a next-generation full-duplex communication technology for web applications being standardized as a part of Web Applications 1.0 . The WebSocket protocol is...

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• Balanced Binary Search Tree (BST) (Search, PrintInOrder, PrintPreOrder, PrintPostOrder,DepthFirst, B

  Balanced Binary Search Tree (BST) (Search, PrintInOrder, PrintPreOrder, PrintPostOrder,DepthFirst, BreadthFirst, BalanceTree)

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• Program for Optimization and Resizing of an Image

  This article guides about optimization of the size of an image file (in bytes) and resizing its dimensions (in pixels).

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• How to refactor a method which breaks "The law of Demeter" principle?

  - by dreza

  I often find myself breaking this principle (not intentially, just through bad design). However recently I've seen a bit of code that I'm not sure of the best approach. I have a number of classes. For simplicity I've taken out the bulk of the classes methods etc public class Paddock { public SoilType Soil { get; private set; } // a whole bunch of other properties around paddock information } public class SoilType { public SoilDrainageType Drainage { get; private set; } // a whole bunch of other properties around soil types } public class SoilDrainageType { // a whole bunch of public properties that expose soil drainage values public double GetProportionOfDrainage(SoilType soil, double blockRatio) { // This method does a number of calculations using public properties // exposed off SoilType as well as the blockRatio value in some conditions } } In the code I have seen in a number of places calls like so paddock.Soil.Drainage.GetProportionOfDrainage(paddock.Soil, paddock.GetBlockRatio()); or within the block object itself in places it's Soil.Drainage.GetProportionOfDrainage(this.Soil, this.GetBlockRatio()); Upon reading this seems to break "The Law of Demeter" in that I'm chaining together these properties to access the method I want. So my thought in order to adjust this was to create public methods on SoilType and Paddock that contains wrappers i.e. on paddock it would be public class Paddock { public double GetProportionOfDrainage() { return Soil.GetProportionOfDrainage(this.GetBlockRatio()); } } on the SoilType it would be public class SoilType { public double GetProportionOfDrainage(double blockRatio) { return Drainage.GetProportionOfDrainage(this, blockRatio); } } so now calls where it used would be simply // used outside of paddock class where we can access instances of Paddock paddock.GetProportionofDrainage() or this.GetProportionOfDrainage(); // if used within Paddock class This seemed like a nice alternative. However now I have a concern over how would I enforce this usage and stop anyone else from writing code such as paddock.Soil.Drainage.GetProportionOfDrainage(paddock.Soil, paddock.GetBlockRatio()); rather than just paddock.GetProportionOfDrainage(); I need the properties to remain public at this stage as they are too ingrained in usage throughout the code block. However I don't really want a mixture of accessing the method on DrainageType directly as that seems to defeat the purpose altogether. What would be the appropiate design approach in this situation? I can provide more information as required to better help in answers. Is my thoughts on refactoring this even appropiate or should is it best to leave it as is and use the property chaining to access the method as and when required?

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• A WPF custom control for zooming and panning.

  Examines a custom content control that can be used to zoom and pan its content.

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• Umit Project 2010

  Umit Project is an international open source organization focused on network monitoring, with the goal of making life easier for network administrators and others who need to be...

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• DataObjectBase

  DataObjectBase - the new Object class for data objects!

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• iDb2Connection - How to cancel a long running query

  Describes how you can run multiple queries against an iSeries DB2 and cancel long running queries

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• Continuous Deployment to Azure powered by Git

  Today Scott Guthrie announced several updated capabilities for Azure Web Sites. Announcing: Great Improvements to Windows Azure Web Sites I recommend you checkout the full post there are some really cool improvements. My favorite is the ability to enable Continuous Deployment from your CodePlex project into Azure. David Ebbo has a great video walk-through: (Please visit the site to view this video)

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