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  • Google I/O 2010 - Fireside chat w/ Android handset partners

    Google I/O 2010 - Fireside chat w/ Android handset partners Google I/O 2010 - Fireside chat with Android handset manufacturers Fireside Chats, Android Lori Fraleigh (Motorola), Bill Maggs (Sony Ericsson), Joon Kang (LGE), Ciaran Rochford (Samsung), Eric Chu (Google; moderator) Come join us for a fireside chat with the top Android handset manufacturers. Hear about the types of devices being planned for 2010 and get your device-specific questions answered. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 8 0 ratings Time: 01:02:57 More in Science & Technology

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  • On StringComparison Values

    - by Jesse
    When you use the .NET Framework’s String.Equals and String.Compare methods do you use an overloStringComparison enumeration value? If not, you should be because the value provided for that StringComparison argument can have a big impact on the results of your string comparison. The StringComparison enumeration defines values that fall into three different major categories: Culture-sensitive comparison using a specific culture, defaulted to the Thread.CurrentThread.CurrentCulture value (StringComparison.CurrentCulture and StringComparison.CurrentCutlureIgnoreCase) Invariant culture comparison (StringComparison.InvariantCulture and StringComparison.InvariantCultureIgnoreCase) Ordinal (byte-by-byte) comparison of  (StringComparison.Ordinal and StringComparison.OrdinalIgnoreCase) There is a lot of great material available that detail the technical ins and outs of these different string comparison approaches. If you’re at all interested in the topic these two MSDN articles are worth a read: Best Practices For Using Strings in the .NET Framework: http://msdn.microsoft.com/en-us/library/dd465121.aspx How To Compare Strings: http://msdn.microsoft.com/en-us/library/cc165449.aspx Those articles cover the technical details of string comparison well enough that I’m not going to reiterate them here other than to say that the upshot is that you typically want to use the culture-sensitive comparison whenever you’re comparing strings that were entered by or will be displayed to users and the ordinal comparison in nearly all other cases. So where does that leave the invariant culture comparisons? The “Best Practices For Using Strings in the .NET Framework” article has the following to say: “On balance, the invariant culture has very few properties that make it useful for comparison. It does comparison in a linguistically relevant manner, which prevents it from guaranteeing full symbolic equivalence, but it is not the choice for display in any culture. One of the few reasons to use StringComparison.InvariantCulture for comparison is to persist ordered data for a cross-culturally identical display. For example, if a large data file that contains a list of sorted identifiers for display accompanies an application, adding to this list would require an insertion with invariant-style sorting.” I don’t know about you, but I feel like that paragraph is a bit lacking. Are there really any “real world” reasons to use the invariant culture comparison? I think the answer to this question is, “yes”, but in order to understand why we should first think about what the invariant culture comparison really does. The invariant culture comparison is really just a culture-sensitive comparison using a special invariant culture (Michael Kaplan has a great post on the history of the invariant culture on his blog: http://blogs.msdn.com/b/michkap/archive/2004/12/29/344136.aspx). This means that the invariant culture comparison will apply the linguistic customs defined by the invariant culture which are guaranteed not to differ between different machines or execution contexts. This sort of consistently does prove useful if you needed to maintain a list of strings that are sorted in a meaningful and consistent way regardless of the user viewing them or the machine on which they are being viewed. Example: Prototype Names Let’s say that you work for a large multi-national toy company with branch offices in 10 different countries. Each year the company would work on 15-25 new toy prototypes each of which is assigned a “code name” while it is under development. Coming up with fun new code names is a big part of the company culture that everyone really enjoys, so to be fair the CEO of the company spent a lot of time coming up with a prototype naming scheme that would be fun for everyone to participate in, fair to all of the different branch locations, and accessible to all members of the organization regardless of the country they were from and the language that they spoke. Each new prototype will get a code name that begins with a letter following the previously created name using the alphabetical order of the Latin/Roman alphabet. Each new year prototype names would start back at “A”. The country that leads the prototype development effort gets to choose the name in their native language. (An appropriate Romanization system will be used for countries where the primary language is not written in the Latin/Roman alphabet. For example, the Pinyin system could be used for Chinese). To avoid repeating names, a list of all current and past prototype names will be maintained on each branch location’s company intranet site. Assuming that maintaining a single pre-sorted list is not feasible among all of the highly distributed intranet implementations, what string comparison method would you use to sort each year’s list of prototype names so that the list is both meaningful and consistent regardless of the country within which the list is being viewed? Sorting the list with a culture-sensitive comparison using the default configured culture on each country’s intranet server the list would probably work most of the time, but subtle differences between cultures could mean that two different people would see a list that was sorted slightly differently. The CEO wants the prototype names to be a unifying aspect of company culture and is adamant that everyone see the the same list sorted in the same order and there’s no way to guarantee a consistent sort across different cultures using the culture-sensitive string comparison rules. The culture-sensitive sort would produce a meaningful list for the specific user viewing it, but it wouldn’t always be consistent between different users. Sorting with the ordinal comparison would certainly be consistent regardless of the user viewing it, but would it be meaningful? Let’s say that the current year’s prototype name list looks like this: Antílope (Spanish) Babouin (French) Cahoun (Czech) Diamond (English) Flosse (German) If you were to sort this list using ordinal rules you’d end up with: Antílope Babouin Diamond Flosse Cahoun This sort is no good because the entry for “C” appears the bottom of the list after “F”. This is because the Czech entry for the letter “C” makes use of a diacritic (accent mark). The ordinal string comparison does a byte-by-byte comparison of the code points that make up each character in the string and the code point for the “C” with the diacritic mark is higher than any letter without a diacritic mark, which pushes that entry to the bottom of the sorted list. The CEO wants each country to be able to create prototype names in their native language, which means we need to allow for names that might begin with letters that have diacritics, so ordinal sorting kills the meaningfulness of the list. As it turns out, this situation is actually well-suited for the invariant culture comparison. The invariant culture accounts for linguistically relevant factors like the use of diacritics but will provide a consistent sort across all machines that perform the sort. Now that we’ve walked through this example, the following line from the “Best Practices For Using Strings in the .NET Framework” makes a lot more sense: One of the few reasons to use StringComparison.InvariantCulture for comparison is to persist ordered data for a cross-culturally identical display That line describes the prototype name example perfectly: we need a way to persist ordered data for a cross-culturally identical display. While this example is 100% made-up, I think it illustrates that there are indeed real-world situations where the invariant culture comparison is useful.

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  • Where can I find fellow developers who are looking for help to create a startup?

    - by Jeremy Child
    Where can I find fellow developers who are looking for help to create a startup? Are there any collaboration websites whereby people pitch ideas and a group of people 'join' the project in an effort to create some kind of prototype? Edit: @Vitor Braga - Seriously i'm not looking to make money, just finding developers who are interested in making a trivial little app with someone else. Edit: It may be worthy to explain that I live in a remote area of Australia.

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  • Upgrade iPhone to iPad For FREE [Geek Fun]

    - by Gopinath
    Can’t afford an iPad or it’s not yet on sale in your country? Don’t worry. You can upgrade your iPhone to iPad at free of cost. Wondering how? Here it is. via appadvice Join us on Facebook to read all our stories right inside your Facebook news feed.

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  • MSDN Radio: Chatting with Scott Guthrie

    Join us as we talk with Scott Guthrie about Microsoft Visual Studio 2010, Microsoft ASP.NET Model View Controller (MVC) and other up-and-coming topics in the technology space. Scott's passion for software and developer tools has made him a leader in providing developers with what they need to build great applications....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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  • Three Principles to Fix Your Broken Organization

    - by Michael Snow
    Everyone's organization is broken in some capacity. For some this is painfully visible both inside and outside their organization. For others, there are cracks noticed by only the keenest trained eyes used to looking for problems in the midst of perfection. We all know that there is often incredible hope in the despair of chaos and recognition of your problems is the first step on the road to recovery. Let us help you in your path to recovery. Join our very own, Christian Finn,  this Thursday (11/15), as he guides you through three important principles you can take back to the office to start the mending process. (Above Image Credits: the BEST site on the web to make fun of our organizations and ourselves: http://www.despair.com/ ) His three principles are NOT "TeamWork", "Ignorance" and "Tradition", but - before jumping lower on this blog post to click and register for the upcoming webcast - I thought it would be a good opportunity to give you a little taste of what we have to offer beyond the array of our fabulous On-Demand webcasts from our Social Business Thought Leader Webcast Series featuring Christian as the host. Instead, here's a snippet from our marketing team friends across the pond in Europe, where they hosted a Social Business Forum recently and featured Christian in a segment.  Simple. Powerful. Proven. Face it, your organization is broken. Customers are not the focus they should be. Processes are running amok. Your intranet is a ghost town. And colleagues wonder why it’s easier to get things done on the Web than at work. What’s the solution?Join us for this Webcast. Christian Finn will talk about three simple, powerful, and proven principles for improving your organization through collaboration. Each principle will be illustrated by real-world examples. Discover: How to dramatically improve workplace collaboration Why improved employee engagement creates better business results What’s the value of a fully engaged customer Time to Fix What’s Broken Register now for this Webcast—the tenth in the Oracle Social Business Thought Leaders Series. Register Now Thurs., Nov. 15, 2012 10 a.m. PT / 1 p.m. ET Presented by: Christian Finn Senior Director, Product Management, Oracle Copyright © 2012, Oracle Corporation and/or its affiliates. All rights reserved. Contact Us | Legal Notices and Terms of Use | Privacy Statement

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  • SQL Windowing screencast session for Cuppa Corner - rolling totals, data cleansing

    - by tonyrogerson
    In this 10 minute screencast I go through the basics of what I term windowing, which is basically the technique of filtering to a set of rows given a specific value, for instance a Sub-Query that aggregates or a join that returns more than just one row (for instance on a one to one relationship). http://sqlserverfaq.com/content/SQL-Basic-Windowing-using-Joins.aspx SQL below... USE tempdb go CREATE TABLE RollingTotals_Nesting ( client_id int not null, transaction_date date not null, transaction_amount...(read more)

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  • Proactive Database Index Creation

    Indexes help your application find your data quickly and provide users with a well performing application, while minimizing server resources. This article discusses indexing guidelines related to join tables and covering indexes.

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  • Apps Script Developer Chat: Andrew Stillman

    Apps Script Developer Chat: Andrew Stillman Join us for a chat with Andrew Stillman, the developer of several popular scripts in the Script Gallery, such as formMule, formMutant, autoCrat, doctopus, and more. We'll talk with Andrew about his experiences with Apps Script and how he applies it to his work at New Visions for Public Schools and with youpd.org. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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  • Google I/O 2010 - Fireside chat with the Android team

    Google I/O 2010 - Fireside chat with the Android team Google I/O 2010 - Fireside chat with the Android team Fireside Chats The Android team with Chris DiBona moderating Pull up a chair and join the Android team at Google for a fireside chat. It's your opportunity to ask us about the platform and to tell us where you'd like to see it go in the future. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 303 1 ratings Time: 01:01:39 More in Science & Technology

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  • Dartisans ep. 10: Dart Plugin for IntelliJ

    Dartisans ep. 10: Dart Plugin for IntelliJ Ask and vote for questions at: goo.gl Edit and debug your Dart apps with IntelliJ and WebStorm! In this episode of Dartisans, we'll talk to the engineers working on this exciting project. Join hosts Seth Ladd and JJ Behrens to learn more about writing Dart apps with JetBrain's powerful editors. From: GoogleDevelopers Views: 1279 35 ratings Time: 35:25 More in Science & Technology

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  • Stairway to SQL Server Indexes: Step 1, Introduction to Indexes

    Indexes are the database objects that enable SQL Server to satisfy each data access request from a client application with the minimum amount of effort, resulting in the maximum performance of individual requests while also reducing the impact of one request upon another. Prerequisites: Familiarity with the following relational database concepts: Table, row, primary key, foreign key Join SQL Backup’s 35,000+ customers to compress and strengthen your backups "SQL Backup will be a REAL boost to any DBA lucky enough to use it." Jonathan Allen. Download a free trial now.

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  • ADF for German Speakers

    - by shay.shmeltzer
    If you know German and you are using ADF then you'll be interested in the ADF special interest group the guys over at Germany established - The deutschen ADF Community. Details here: http://www.oracle.com/global/de/community/adf/index.html If you are an English speaker - then at least you have the ADF Enterprise Methodology Group - which you should join if you haven't already.

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  • Chrome Office Hours: Movi Kanti Revo—Behind the Divs

    Chrome Office Hours: Movi Kanti Revo—Behind the Divs Join Pete LePage and the developers who built Movi Kanti Revo for a very special Chrome Office Hours. We'll take a look behind the divs to show you how the experiment was built, and how you can use some of these techniques in your own web design. From: GoogleDevelopers Views: 0 5 ratings Time: 00:00 More in Science & Technology

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  • Mono for Android Book has been Released!!!!!

    - by Wallym
    If I understand things correctly, and I make no guarantees that I do, our Mono for Android book has been RELEASED!  I'm not quite sure what this means, but my guess is that that it has been printed and is being shipped to various book sellers.So, if you have pre-ordered a copy, its now up to Amazon to send it to you.  Its fully out of my control, Wrox, Wiley, as well as everyone but Amazon.If you haven't bought a copy already, why?  Seriously, go order 8-10 copies for the ones you love.  They'll make great romantic gifts for the ones you love.  Just think at the look on the other person's face when you give them a copy of our book. Here's a little about the book:The wait is over! For the millions of .NET/C# developers who have been eagerly awaiting the book that will guide them through the white-hot field of Android application programming, this is the book. As the first guide to focus on Mono for Android, this must-have resource dives into writing applications against Mono with C# and compiling executables that run on the Android family of devices.Putting the proven Wrox Professional format into practice, the authors provide you with the knowledge you need to become a successful Android application developer without having to learn another programming language. You'll explore screen controls, UI development, tables and layouts, and MonoDevelop as you become adept at developing Android applications with Mono for Android.Develop Android apps using tools you already know—C# and .NETAimed at providing readers with a thorough, reliable resource that guides them through the field of Android application programming, this must-have book shows how to write applications using Mono with C# that run on the Android family of devices. A team of authors provides you with the knowledge you need to become a successful Android application developer without having to learn another programming language. You'll explore screen controls, UI development, tables and layouts, and MonoDevelop as you become adept at planning, building, and developing Android applications with Mono for Android.Professional Android Programming with Mono for Android and .NET/C#:Shows you how to use your existing C# and .NET skills to build Android appsDetails optimal ways to work with data and bind data to controlsExplains how to program with Android device hardwareDives into working with the file system and application preferencesDiscusses how to share code between Mono for Android, MonoTouch, and Windows® Phone 7Reveals tips for globalizing your apps with internationalization and localization supportCovers development of tablet apps with Android 4Wrox Professional guides are planned and written by working programmers to meet the real-world needs of programmers, developers, and IT professionals. Focused and relevant, they address the issues technology professionals face every day. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job.Now, go buy a bunch of copies!!!!!If you are interested in iPhone and Android and would like to get a little more knowledgeable in the area of development, you can purchase the 3 pack of books from Wrox on Mobile Development with Mono.  This will cover MonoTouch, Mono for Android, and cross platform methods for using both tools.  A great package in and of itself.  The name of that package is: Wrox Cross Platform Android and iOS Mobile Development Three-Pack 

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  • Should I be wary of signing a non-disclosure agreement with someone I just met?

    - by Thomas Levine
    tl;dr: Some guy I just met says he wants me to join his company. Before he shows me what they do, he wants me to sign a non-disclosure agreement. Is this weird? I'm traveling right now. Someone who saw me coding seemed to think I was smart or something and started talking with me. He explained that he owns a software company, told me a bit about what it does and told me that he was looking for a programmer who would work for a stake in the company. He explained that the company's product is being developed rather secretly, so he couldn't tell me much. But he did tell enough about the product to convince me that he's not completely making this up, which is a decent baseline. He suggested that he show me more of what he's been working on and, after seeing that, I decide whether I want to join. Because of the secrecy behind the product, he wants me to sign a non-disclosure agreement before we talk. I'm obviously somewhat skeptical because of the random nature by which we met. In the short term, I'm wondering if I should be wary of signing such an agreement. He said it would be easier to show me the product in person rather than over the internet, and I'm leaving town tomorrow, so I'd have to figure this out by tomorrow. If I decide to talk with him, I could decide later whether I trust that it's worth spending any time on this company. The concept of being able to avoid telling a secret seems strange to me for the same reason that things like certain aspects of copyright seem strange. Should I be wary of signing a non-disclosure agreement? Is this common practice? I don't know the details of the agreement of which he was thinking, (If I end up meeting with him, I'll of course read over the agreement before I decide whether to sign it.) so I could consider alternatives according to the aspects of the agreement. Or I could just consider the case of an especially harsh agreement. This question seems vaguely related. Do we need a non-disclosure agreement (NDA)? Thanks

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  • Oracle’s Vision for the Social-Enabled Enterprise

    - by Richard Lefebvre
    2 years ago, Social was a nice to have. Now it’s a must-have’- Mark Hurd .Do you agree? Check out  the on demand version of the Oracle’s Vision for the Social-Enabled Enterprise Exclusive Webcast in a 30' video HERE  Smart companies are developing social media strategies to engage customers, gain brand insights, and transform employee collaboration and recruitment. Join Oracle President Mark Hurd and senior Oracle executives to learn more about Oracle's vision for the social-enabled enterprise

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  • File does not exist: /var/www/mailman

    - by Thufir
    I'm following the guide for installing mailman: root@dur:~# root@dur:~# ln -s /etc/mailman/apache.conf /etc/apache2/sites-enabled/mailman -v `/etc/apache2/sites-enabled/mailman' -> `/etc/mailman/apache.conf' root@dur:~# root@dur:~# service apache2 restart * Restarting web server apache2 ... waiting . [ OK ] root@dur:~# root@dur:~# curl http://localhost/mailman/admin/ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>404 Not Found</title> </head><body> <h1>Not Found</h1> <p>The requested URL /mailman/admin/ was not found on this server.</p> <hr> <address>Apache/2.2.22 (Ubuntu) Server at localhost Port 80</address> </body></html> root@dur:~# root@dur:~# tail /var/log/apache2/error.log [Mon Aug 27 13:08:02 2012] [error] [client 127.0.0.1] File does not exist: /var/www/mailman [Mon Aug 27 13:10:16 2012] [error] [client 127.0.0.1] File does not exist: /var/www/mailman [Mon Aug 27 13:29:27 2012] [notice] caught SIGTERM, shutting down [Mon Aug 27 13:29:27 2012] [error] python_init: Python version mismatch, expected '2.7.2+', found '2.7.3'. [Mon Aug 27 13:29:27 2012] [error] python_init: Python executable found '/usr/bin/python'. [Mon Aug 27 13:29:27 2012] [error] python_init: Python path being used '/usr/lib/python2.7/:/usr/lib/python2.7/plat-linux2:/usr/lib/python2.7/lib-tk:/usr/lib/python2.7/lib-old:/usr/lib/python2.7/lib-dynload'. [Mon Aug 27 13:29:27 2012] [notice] mod_python: Creating 8 session mutexes based on 6 max processes and 25 max threads. [Mon Aug 27 13:29:27 2012] [notice] mod_python: using mutex_directory /tmp [Mon Aug 27 13:29:28 2012] [notice] Apache/2.2.22 (Ubuntu) mod_python/3.3.1 Python/2.7.3 mod_ruby/1.2.6 Ruby/1.8.7(2011-06-30) configured -- resuming normal operations [Mon Aug 27 13:29:58 2012] [error] [client 127.0.0.1] File does not exist: /var/www/mailman root@dur:~# root@dur:~# root@dur:~# root@dur:~# cat /etc/aliases usenet: root ## mailman mailing list mailman: "|/var/lib/mailman/mail/mailman post mailman" mailman-admin: "|/var/lib/mailman/mail/mailman admin mailman" mailman-bounces: "|/var/lib/mailman/mail/mailman bounces mailman" mailman-confirm: "|/var/lib/mailman/mail/mailman confirm mailman" mailman-join: "|/var/lib/mailman/mail/mailman join mailman" mailman-leave: "|/var/lib/mailman/mail/mailman leave mailman" mailman-owner: "|/var/lib/mailman/mail/mailman owner mailman" mailman-request: "|/var/lib/mailman/mail/mailman request mailman" mailman-subscribe: "|/var/lib/mailman/mail/mailman subscribe mailman" mailman-unsubscribe: "|/var/lib/mailman/mail/mailman unsubscribe mailman" root@dur:~# What's wrong with the link? or is apache not running right?

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  • Make the Web Fast: Google Web Fonts - making pretty, fast!

    Make the Web Fast: Google Web Fonts - making pretty, fast! Join us for a technical deep-dive on Web Fonts: how they work, the data formats, performance optimizations, and tips and tricks for making your site both fast and pretty at the same time - turns out, these two goals are not mutually exclusive! From: GoogleDevelopers Views: 468 69 ratings Time: 01:11:43 More in Science & Technology

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  • ANSI SQL Hierarchical Data Processing Basics

    The SQL-92 standard unknowingly and without planning introduced the capability to perform full hierarchical data processing with its introduction of the LEFT Outer Join operation. This natural hierarchical processing capability will be explained in this article.

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  • Slow Chat with Industry Experts: Developing Multithreaded Applications

    Sponsored by Intel Join the experts who created The Intel Guide for Developing Multithreaded Applications for a slow chat about multithreaded application development. Bring your questions about application threading, memory management, synchronization, programming tools and more and get answers from the parallel programming experts. Post your questions here

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