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  • SQL Server 2012 : Changes to system objects in RC0

    - by AaronBertrand
    As with every new major milestone, one of the first things I do is check out what has changed under the covers. Since RC0 was released yesterday, I've been poking around at some of the DMV and other system changes. Here is what I have noticed: New objects in RC0 that weren't in CTP3 Quick summary: We see a bunch of new aggregates for use with geography and geometry. I've stayed away from that area of programming so I'm not going to dig into them. There is a new extended procedure called sp_showmemo_xml....(read more)

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  • VS2008 SP1 (2 replies)

    The word &quot;functionalities&quot; is not in the English language as far as I know. You should just say &quot;functionality&quot; in this document: http://support.microsoft.com/kb/950263/ &quot;New features and functionality&quot; Cheers

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  • Learning PostgreSql: polymorphism

    - by Alexander Kuznetsov
    Functions in PL/PgSql are polymorphic, which is very different from T-SQL. Demonstrating polymorphism For example, the second CREATE FUNCTION in the following script does not replace the first function - it creates a second one: CREATE OR REPLACE FUNCTION public .GetQuoteOfTheDay ( someNumber INTEGER ) RETURNS VARCHAR AS $body$ BEGIN RETURN 'Say my name.' ; END ; $body$ LANGUAGE plpgsql ; CREATE OR REPLACE FUNCTION public .GetQuoteOfTheDay ( someNumber REAL ) RETURNS VARCHAR AS $body$ BEGIN RETURN...(read more)

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  • R Cookbook, de Paul Teetor, critique par ced

    Bonjour, La rédaction de DVP a lu pour vous l'ouvrage suivant: R Cookbook, de Paul Teetor, paru aux éditions O'Reilly. [IMG]http://covers.oreilly.com/images/9780596809164/lrg.jpg[/IMG] Citation: With more than 200 practical recipes, this book helps you perform data analysis with R quickly and efficiently. The R language provides everything you need to do statistical work, but its structure can be difficult to master. This collection of c...

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  • Authenticated SMTP Using System.Net.Mail

    - by The Official Microsoft IIS Site
    Using system.net.mail to send email messages from your web site makes life so easy. In the old days of Classic ASP you often had to rely on 3rd party components such as AspMail from serverobjects.com or AspEmail from persists.com. While they were very capable products and are still widely used today it added an additional layer of complexity to your programming. If you ever had to move a site from one server to another there was always a risk the components were not in place which would cause problems...(read more)

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  • R in a Nutshell de Joseph Adler, critique par ced

    Bonjour, La rédaction de DVP a lu pour vous l'ouvrage suivant: R in a Nutshell, de Joseph Adler. paru aux éditions O'Reilly. [IMG]http://covers.oreilly.com/images/9780596801717/lrg.jpg[/IMG] Citation: R is rapidly becoming the standard for developing statistical software, and R in a Nutshell provides a quick and practical way to learn this increasingly popular open source language and environment. You'll not only learn how to program in R, but al...

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  • Project Nashorn Slides & Talks

    - by $utils.escapeXML($entry.author)
    At the Eclipse Demo Camp in Hamburg last week I got asked about resources on Project Nashorn. So, I compiled a quick list:slides from Jim Laskey's JavaOne 2011 talk titled "The Future of JavaScript in the JDK".slides from Bernard Traversat's JavaOne 2011 talk titled "HTLM5 and Java: The Facts and the Myths".slides and video from Jim Laskey's JVM Language Simmit talk titled "Adventures in JSR 292 (Nashorn)".

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  • Domain-Driven Design

    Domain-Driven Design is the way to build/design your application when you are focused on the Domain Model, when you do not depend on Infrastructure and when your Developers talk on the same language with Customers.

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  • Bullet physics in python and pygame

    - by Pomg
    I am programming a 2D sidescroller in python and pygame and am having trouble making a bullet go farther than just farther than the player. The bullet travels straight to the ground after i fire it. How, in python code using pygame do I make the bullet go farther. If you need code, here is the method that handles the bullet firing: self.xv += math.sin(math.radians(self.angle)) * self.attrs['speed'] self.yv += math.cos(math.radians(self.angle)) * self.attrs['speed'] self.rect.left += self.xv self.rect.top += self.yv

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  • How do you structure computer science University notes?

    - by Sai Perchard
    I am completing a year of postgraduate study in CS next semester. I am finishing a law degree this year, and I will use this to briefly explain what I mean when I refer to the 'structure' of University notes. My preferred structure for authoring law notes: Word Two columns 0.5cm margins (top, right, bottom, middle, left) Body text (10pt, regular), 3 levels of headings (14/12/10pt, bold), 3 levels of bulleted lists Color A background for cases Color B background for legislation I find that it's crucial to have a good structure from the outset. My key advice to a law student would be to ensure styles allows cases and legislation to be easily identified from supporting text, and not to include too much detail regarding the facts of cases. More than 3 levels of headings is too deep. More than 3 levels of a bulleted list is too deep. In terms of CS, I am interested in similar advice; for example, any strategies that have been successfully employed regarding structure, and general advice regarding note taking. Has latex proved better than Word? Code would presumably need to be stylistically differentiated, and use a monospaced font - perhaps code could be written in TextMate so that it could be copied to retain syntax highlighting? (Are notes even that useful in a CS degree? I am tempted to simply use a textbook. They are crucial in law.) I understand that different people may employ varying techniques and that people will have personal preferences, however I am interested in what these different techniques are. Update Thank you for the responses so far. To clarify, I am not suggesting that the approach should be comparable to that I employ for law. I could have been clearer. The consensus so far seems to be - just learn it. Structure of notes/notes themselves are not generally relevant. This is what I was alluding to when I said I was just tempted to use a textbook. Re the comment that said textbooks are generally useless - I strongly disagree. Sure, perhaps the recommended textbook is useless. But if I'm going to learn a programming language, I will (1) identify what I believe to be the best textbook, and (2) read it. I was unsure if the combination of theory with code meant that lecture notes may be a more efficient way to study for an exam. I imagine that would depend on the subject. A subject specifically on a programming language, reading a textbook and coding would be my preferred approach. But I was unsure if, given a subject containing substantive theory that may not be covered in a single textbook, people may have preferences regarding note taking and structure.

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  • I can't save my settings in Ubuntu One client in windows7

    - by user209470
    I have Ubuntu 12.04 at home and windows7 at work. I sync Documents between them with Ubuntu One. In W7 I can't set/save the settings. In syncdaemon-exceptions.log there is error: File "ubuntuone\syncdaemon\config.pyc", line 317, in save exceptions.IOError: [Errno 2] No such file or directory: 'C:\\Users\\F\xc3\xb6ldi Ferenc\\AppData\\Local\\ubuntuone\\syncdaemon.conf.new' The directory is exist. The file is not. The W7 language is Hungarian.

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  • Delegates in c#

    - by Jalpesh P. Vadgama
    I have used delegates in my programming since C# 2.0. But I have seen there are lots of confusion going on with delegates so I have decided to blog about it. In this blog I will explain about delegate basics and use of delegates in C#. What is delegate? We can say a delegate is a type safe function pointer which holds methods reference in object. As per MSDN it's a type that references to a method. So you can assign more than one methods to delegates with same parameter and same return type. Following is syntax for the delegate public delegate int Calculate(int a, int b); Here you can see the we have defined the delegate with two int parameter and integer parameter as return parameter. Now any method that matches this parameter can be assigned to above delegates. To understand the functionality of delegates let’s take a following simple example. using System; namespace Delegates { class Program { public delegate int CalculateNumber(int a, int b); static void Main(string[] args) { int a = 5; int b = 5; CalculateNumber addNumber = new CalculateNumber(AddNumber); Console.WriteLine(addNumber(5, 6)); Console.ReadLine(); } public static int AddNumber(int a, int b) { return a + b; } } } Here in the above code you can see that I have created a object of CalculateNumber delegate and I have assigned the AddNumber static method to it. Where you can see in ‘AddNumber’ static method will just return a sum of two numbers. After that I am calling method with the help of the delegates and printing out put to the console application. Now let’s run the application and following is the output as expected. That’s it. You can see the out put of delegates after adding a number. This delegates can be used in variety of scenarios. Like in web application we can use it to update one controls properties from another control’s action. Same you can also call a delegates whens some UI interaction done like button clicked. Hope you liked it. Stay tuned for more. In next post I am going to explain about multicast delegates. Till then happy programming.

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  • Which web algorithms book to get ?

    - by fjxx
    I am currently undecided between which of the following web algorithms book to buy: 1) Algorithms of the Intelligent web by Marmanis 2) Collective Intelligence by Alag Both feature code in Java; Marmanis' book delves deeper into the core algorithms while Alag's book discusses more APIs including WEKA. I have already read Programming Collective Intelligence by Segaran and enjoyed it. Any comments on these books or any other recommendations are welcome.

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  • Breaking down CS courses for freshmen

    - by Avinash
    I'm a student putting together a slide geared towards freshmen level students who are trying to understand what the importance of various classes in the CS curriculum are. Would it be safe to say that this list is fairly accurate? Data structures: how to store stuff in programs Discrete math: how to think logically Bits & bytes: how to ‘speak’ the machine’s language Advanced data structures: how to store stuff in more ways Algorithms: how to compute things efficiently Operating systems: how to do manage different processes/threads Thanks!

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  • Importance of scripting engine at Cocos2d Game Engine

    - by Mahbubur R Aaman
    Each Game Engine is different and solves different problems in different ways, so the engine design does vary greatly from engine to engine (even though a lot of principles are shared from engine to engine). Cocos2D is a great product on it’s own, but it doesn’t expose engine functionality to a scripting Language like Lua, JavaScript etc. My Question: How much important to integrate a Scripting Engine at Cocos2d?

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  • Does The College Matter?

    - by Jonathon
    Does it matter all that much about what college you go to, to get a degree in computer programming/computer science? I didn't do all that well in high school, I actually barely graduated with a general High School Diploma. So getting into a decent college could be difficult. Companies won't deny you just because you got your degree at a college they have never heard of or a community college will they?

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  • book and resource about vanilla OpenGL ES 2.0 development

    - by user827992
    I Found this book but it talks about an SDK created by the author rather than pure simple OpenGL ES 2.0; this sounds more like a commercial to me than a good book for programming, i would like to start with just OpenGL ES 2.0 without talking about anything else: can you give me a good advice on this? A good book or on-line resource. I'm also interested in cross platform development with OpenGL ES, in particular Android and iOS.

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  • C# Domain-Driven Design Sample Released

    - by Artur Trosin
    In the post I want to declare that NDDD Sample application(s) is released and share the work with you. You can access it here: http://code.google.com/p/ndddsample. NDDDSample from functionality perspective matches DDDSample 1.1.0 which is based Java and on joint effort by Eric Evans' company Domain Language and the Swedish software consulting company Citerus. But because NDDDSample is based on .NET technologies those two implementations could not be matched directly. However concepts, practices, values, patterns, especially DDD, are cross-language and cross-platform :). Implementation of .NET version of the application was an interesting journey because now as .NET developer I better understand the differences positive and negative between these two platforms. Even there are those differences they can be overtaken, in many cases it was not so hard to match a java libs\framework with .NET during the implementation. Here is a list of technology stack: 1. .net 3.5 - framework 2. VS.NET 2008 - IDE 3. ASP.NET MVC2.0 - for administration and tracking UI 4. WCF - communication mechanism 5. NHibernate - ORM 6. Rhino Commons - Nhibernate session management, base classes for in memory unit tests 7. SqlLite - database 8. Windsor - inversion of control container 9. Windsor WCF facility - for better integration with NHibernate 10. MvcContrib - and in particular its Castle WindsorControllerFactory in order to enable IoC for controllers 11. WPF - for incident logging application 12. Moq - mocking lib used for unit tests 13. NUnit - unit testing framework 14. Log4net - logging framework 15. Cloud based on Azure SDK These are not the latest technologies, tools and libs for the moment but if there are someone thinks that it would be useful to migrate the sample to latest current technologies and versions please comment. Cloud version of the application is based on Azure emulated environment provided by the SDK, so it hasn't been tested on ‘real' Azure scenario (we just do not have access to it). Thanks to participants, Eugen Gorgan who was involved directly in development, Ruslan Rusu and Victor Lungu spend their free time to discuss .NET specific decisions, Eugen Navitaniuc helped with Java related questions. Also, big thank to Cornel Cretu, he designed a nice logo and helped with some browser incompatibility issues. Any review and feedback are welcome! Thank you, Artur Trosin

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  • Quote of the Day: Substitutions

    - by BuckWoody
    “Ours is the age of substitutes: Instead of language we have jargon, instead of principles, slogans, and instead of genuine ideas, bright suggestions.”  Eric Bently Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Quote of the Day: Substitutions

    - by BuckWoody
    “Ours is the age of substitutes: Instead of language we have jargon, instead of principles, slogans, and instead of genuine ideas, bright suggestions.”  Eric Bently Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • What is the story behind Java Vulnerabilities?

    - by Maryam
    I always appreciated the Java language. It is known as a very secure platform and many banks use it in their web applications. I wanted to build a project for my school and I discussed the options with some developers. However, one of them said we should ignore Java ecause of vulnerabilities appreared recently in it. For this reason I want to make sure, what is the story behind this and does that mean that Java today considered not much secure as it was previously?

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  • APress Deal of the Day 31/Jul/2013 - Pro ASP.NET MVC 4

    - by TATWORTH
    Originally posted on: http://geekswithblogs.net/TATWORTH/archive/2013/07/31/apress-deal-of-the-day-31jul2013---pro-asp.net-mvc.aspxToday's $10 deal of the day from APress at http://www.apress.com/9781430242369 is Pro ASP.NET MVC 4"The ASP.NET MVC 4 Framework is the latest evolution of Microsoft’s ASP.NET web platform. It provides a high-productivity programming model that promotes cleaner code architecture, test-driven development, and powerful extensibility, combined with all the benefits of ASP.NET"

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  • Oracle Coherence 3.5 PreSales Boot Camp - Live Virtual Training (12-13/Mai/10)

    - by Claudia Costa
    Oracle Coherence is an in-memory data grid solution that enables organizations to predictably scale mission-critical applications by providing fast access to frequently used data. By automatically and dynamically partitioning data, Oracle Coherence ensures continuous data availability and transactional integrity, even in the event of a server failure. It provides organizations with a robust scale-out data abstraction layer that brokers the supply and demand of data between applications and data sources. Register today!   What will we cover The Oracle Coherence 3.5 Boot Camp is a FREE workshop which provides a quick hands-on technical ramp up on Oracle Coherence Data Grid.The Boot Camp provides a product overview, positioning and demo, discussion of customer uses and hands on lab work. Participants will leave the Oracle Coherence Boot Camp with a solid understanding of the product and where and how to apply it.It will provide an overview of the product as well as hands-on lab work.   • Architecting applications for scalability, availability, and performance • Introduction to Data Grids and Extreme Transaction Processing (XTP) • Coherence Case Studies • Oracle Coherence Product Demonstration • Coherence implementation strategies and architectural approaches • Coherence product features and APIs • Hands-on labs that will include product installation, configuration, sample applications, code examples, and more.   Who should attend This boot camp is intended for prospective users and implementers of Oracle Coherence Data Grid or implementers that have had limited exposure to Coherence and seek to gain a Technical Overview of the product with hand on exercises. Ideal participants are Oracle partners (SIs and resellers) with backgrounds in business information systems and a clientele of customers with ongoing or prospective application and/or data grid initiatives. Alternatively, partners with the background described above and an interest in evolving their practice to a similar profile are suitable participants.   Prerequisites and Workstation requirements There are no prerequisite classes for this Boot Camp. However, labs rely upon usage of the Java programming language. Therefore participants should be familiar with the Java language or similar Object Oriented programming languages. Additionally, students experience with enterprise data storage and manipulation is and knowledge of relevant concepts will benefit most from the boot camp. In order to attend this boot camp you need to have the necessary software installed on your laptop prior to attending the class. Please revise the Workstation Requirements page and register today! Agenda - May 12 - 8:30 May 13 - 12:30 *To view the full agenda and to register click here.    

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  • What are algorithmic paradigms?

    - by Vaibhav Agarwal
    We generally talk about paradigms of programming as functional, procedural, object oriented, imperative etc but what should I reply when I am asked the paradigms of algorithms? For example are Travelling Salesman Problem, Dijkstra Shortest Path Algorithm, Euclid GCD Algorithm, Binary search, Kruskal's Minimum Spanning Tree, Tower of Hanoi paradigms of algorithms? Should I answer the data structures I would use to design these algorithms?

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