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  • Silverlight 3 Data Binding: Imperative and Mixed Approaches

    In the first part of this multi-part series on data binding in Silverlight we learned how to use the declarative XAML syntax approach. In this second part we ll learn how to use the imperative approach and how to combine the two.... Test Drive the Next Wave of Productivity Find Microsoft Office 2010 and SharePoint 2010 trials, demos, videos, and more.

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  • Want To Transform My Career To Oracle Financial

    - by MemphisDeveloper
    I am a senior .Net developer, with years of banking experience, but I think I have maxed out my earning potential. I am thinking that an Oracle Financial developer would be a route that would allow me to make more money yet still be a developer. My problem is I don’t know exactly how to make this jump. Can anyone here give me some advice about how to learn it and how to convince someone to give me a shot to prove what I have learned?

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  • Week in Geek: Malware for Android has Increased 472% since July

    - by Asian Angel
    This week we learned how to safely eject your USB devices from the desktop context menu, make the Kindle Fire Silk Browser *actually* fast, “disable Windows startup programs, use DNS names on your home network, & restore a vintage keyboard”, print or save a directory listing to a file, make your computer press a key every X seconds, and more. How to Make the Kindle Fire Silk Browser *Actually* Fast! Amazon’s New Kindle Fire Tablet: the How-To Geek Review HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS

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  • Can't install alternate CD from USB?

    - by mattias
    Hi im trying to install ubuntu 12.04 with full hard disk encryption. After downloading and installing the Ubuntu live CD, I learned that truecrypt doesnt support full disk encryption on linux. I also learned that the best way to get "nearly full disk encryption" on ubuntu is by installing it from the alternate install CD. I tried that, but something is wrong with my CD reader/burner so it doesnt boot up when i insert the cd. My thought here was to take the .iso that I downloaded on my unencrypted Ubuntu system, use Unetbootin to make the usb drive. The usb drive used for this is exactly the same brand as one that I know has worked with a previous ubuntu live system on the same computer. I also used unetbootin for that usb, but I created it from windows that time. The usb stick boots up fine and i get through the first couple of steps in the installation process. However, After a while I get a "box" with the following error message "Load Installer components from CD" There was a problem reading data from the CD-ROM. Please make sure it is in the drive. If retrying does not work, you should check the integrity of your CD-ROM. "Failed to copy file from CD-ROM. Retry? " Then I cant get any further. I googled a lot and found this page which seems to tackle this very problem: http://www.dotkam.com/2010/11/29/ins...mage-from-usb/ I tried to do what it said. After pressing TAB, I wrote : cdrom-detect/try-usb=true without quotes because that's what i think is right. When I press TAB, there already is a text saying : /ubnkern initrd=/ubninit vga=788 -- quiet which can be removed. I have tried to both delete the text before the "--" and just inserting cdrom-detect/try-usb=true before it. Any idea of what can be wrong? I would like to do a full system encryption, or as full as it is possible. I dont want to just encrypt my /home folder. Maybe this isn't the easiest way. I use SanDisk usb sticks. I know there is a problem with U3 launcher on some SanDisks, but I never had to remove U3 before from similar disks, and the alternate install does boot up, so I dont think using U3 removal would help me. Any help or indication to an easier way to do this would be appreciated

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  • How are Reads Distributed in a Workload

    - by Bill Graziano
    People have uploaded nearly one millions rows of trace data to TraceTune.  That’s enough data to start to look at the results in aggregate.  The first thing I want to look at is logical reads.  This is the easiest metric to identify and fix. When you upload a trace, I rank each statement based on the total number of logical reads.  I also calculate each statement’s percentage of the total logical reads.  I do the same thing for CPU, duration and logical writes.  When you view a statement you can see all the details like this: This single statement consumed 61.4% of the total logical reads on the system while we were tracing it.  I also wanted to see the distribution of reads across statements.  That graph looks like this: On average, the highest ranked statement consumed just under 50% of the reads on the system.  When I tune a system, I’m usually starting in one of two modes: this “piece” is slow or the whole system is slow.  If a given piece (screen, report, query, etc.) is slow you can usually find the specific statements behind it and tune it.  You can make that individual piece faster but you may not affect the whole system. When you’re trying to speed up an entire server you need to identity those queries that are using the most disk resources in aggregate.  Fixing those will make them faster and it will leave more disk throughput for the rest of the queries. Here are some of the things I’ve learned querying this data: The highest ranked query averages just under 50% of the total reads on the system. The top 3 ranked queries average 73% of the total reads on the system. The top 10 ranked queries average 91% of the total reads on the system. Remember these are averages across all the traces that have been uploaded.  And I’m guessing that people mainly upload traces where there are performance problems so your mileage may vary. I also learned that slow queries aren’t the problem.  Before I wrote ClearTrace I used to identify queries by filtering on high logical reads using Profiler.  That picked out individual queries but those rarely ran often enough to put a large load on the system. If you look at the execution count by rank you’d see that the highest ranked queries also have the highest execution counts.  The graph would look very similar to the one above but flatter.  These queries don’t look that bad individually but run so often that they hog the disk capacity. The take away from all this is that you really should be tuning the top 10 queries if you want to make your system faster.  Tuning individually slow queries will help those specific queries but won’t have much impact on the system as a whole.

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  • Exchange 2010 Deployment Notes

    - by BWCA
    We are currently deploying Exchange 2010 within a large and complex Windows 2003 Active Directory and Exchange 2003 environment.  Over the next several months, I will be posting articles regarding things we’ve run into or things we’ve learned that will help with your deployments.

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  • Hello World

    - by prabhpreet
    Hello World. I am a hobbyist developer in the teens and I am a fan of Microsoft and its products.I am learning C# and have learned C and experimented with a few languages such as Python, Ruby, and IO (A really new language). Here, I am going to share my developing adventures. Watch out, World!

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  • SQL 2014 does data the way developers want

    - by Rob Farley
    A post I’ve been meaning to write for a while, good that it fits with this month’s T-SQL Tuesday, hosted by Joey D’Antoni (@jdanton) Ever since I got into databases, I’ve been a fan. I studied Pure Maths at university (as well as Computer Science), and am very comfortable with Set Theory, which undergirds relational database concepts. But I’ve also spent a long time as a developer, and appreciate that that databases don’t exactly fit within the stuff I learned in my first year of uni, particularly the “Algorithms and Data Structures” subject, in which we studied concepts like linked lists. Writing in languages like C, we used pointers to quickly move around data, without a database in sight. Of course, if we had a power failure all this data was lost, as it was only persisted in RAM. Perhaps it’s why I’m a fan of database internals, of indexes, latches, execution plans, and so on – the developer in me wants to be reassured that we’re getting to the data as efficiently as possible. Back when SQL Server 2005 was approaching, one of the big stories was around CLR. Many were saying that T-SQL stored procedures would be a thing of the past because we now had CLR, and that obviously going to be much faster than using the abstracted T-SQL. Around the same time, we were seeing technologies like Linq-to-SQL produce poor T-SQL equivalents, and developers had had a gutful. They wanted to move away from T-SQL, having lost trust in it. I was never one of those developers, because I’d looked under the covers and knew that despite being abstracted, T-SQL was still a good way of getting to data. It worked for me, appealing to both my Set Theory side and my Developer side. CLR hasn’t exactly become the default option for stored procedures, although there are plenty of situations where it can be useful for getting faster performance. SQL Server 2014 is different though, through Hekaton – its In-Memory OLTP environment. When you create a table using Hekaton (that is, a memory-optimized one), the table you create is the kind of thing you’d’ve made as a developer. It creates code in C leveraging structs and pointers and arrays, which it compiles into fast code. When you insert data into it, it creates a new instance of a struct in memory, and adds it to an array. When the insert is committed, a small write is made to the transaction to make sure it’s durable, but none of the locking and latching behaviour that typifies transactional systems is needed. Indexes are done using hashes and using bw-trees (which avoid locking through the use of pointers) and by handling each updates as a delete-and-insert. This is data the way that developers do it when they’re coding for performance – the way I was taught at university before I learned about databases. Being done in C, it compiles to very quick code, and although these tables don’t support every feature that regular SQL tables do, this is still an excellent direction that has been taken. @rob_farley

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  • What is a good one-stop-shop for understanding software licensing information?

    - by Macy Abbey
    I've learned a fair amount about the various different software licensing models and what those models mean for my own software project. However, I'd like to make sure I understand as many of them as possible for making decisions on how to license my own software and in what scenarios I can safely use software under a licensing model. Do you have a good recommendation for a book/site etc.. that has this information in one location?

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  • Tales from the Coalface - A Software Hero I have met.

    - by TATWORTH
    I use the word Hero to describe my friend, who wrote a word processor program that did not use a keyboard. This program was used by a 34-year woman who previously was unable to communicate. The first thing she wrote after she learned how to use it was "Nicole loves Mum". The details of this heroic act are documented in the Hansard (record of proceedings) of the Australian House of Parliament. A copy is available at http://masonsoft.co.uk/hansard.pdf

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  • Going from .Net 2.0 to 4.5 [closed]

    - by Austin Henley
    For a lot of my projects I have been using an older code base and also just haven't learned the features from newer .Net/C# versions. It seems I am stuck back in the 2.0 days of the framework and language, so what should I do to make use of all latest features? It is worth pointing out this but rather than just what changes have been made, what small programs could I implement that would teach me a lot of the new features?

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  • TechCast Live: Java and Oracle, One Year Later (tomorrow!)

    - by Jacob Lehrbaum
    On year ago, tomorrow, Oracle became the steward of Java through its acquisition of Sun.We invite you to join us tomorrow on the anniversary of this memorable event for a special TechCast Live conversation with Ajay Patel, VP of Product development for Application Grid Products and Justin Kestelyn of Oracle Technology Network. Topics that will be covered include:- Highlights, challenges and what we learned over the past year - The Future of Java and its importance to Oracle and the community - Oracle's Application Grid product portfolio todayDate:Feb, 15, 10:00am PSTWatch it live (tomorrow)

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  • Looking for an alternative to GameSalad

    - by Mr_Nizzle
    I have learned the most I could from GameSaldad in a week but now I'm facing one big problem I didn't see at the beginning: You cannot make API/WebServices call from GameSalad. So I am looking for alternatives on 2D game development, iOS or cross-platform, like GameSalad where you can actually make API calls, or web services call to keep track of the game and so on. Or should I go down to Cocos2D, CHIPMUNK?

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  • Blending effect on textures

    - by joecks
    Hi i am trying to build screen animation like flickering, interlace, color separation similar to old style malfunctioning Amiga screens. The intended effects are shown in this video. I am using libgdx and I already discovered the universal tween engine, which helps a lot to build transitional animations, but how should I approach those blending effects, any suggestions? I will specify my question once I learned more about libgdx, but maybe you could give me some hints already. Thanks!

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  • More Server Variables in ASP.NET 3.5

    The first part of this series served as a basic introduction to server variables and their application in ASP.NET 3.5. You learned how to output server variables using classic ASP tags and using ASP.NET visual basic code file. This article will pick up where the previous part left off.... GoGrid Cloud Center Connect Cloud and Dedicated Servers on Your Private Data Center

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  • Enhancing Your SEO Techniques

    When it comes to SEO, there are a lot of things to consider before you can consider yourself a true SEO expert. From the mastering of the basics all the way to knowing the advanced SEO techniques, these and many more must be learned before one becomes adept.

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  • Stairway to SQL PowerShell Level 4: Objects in SQL PowerShell

    This far, we have learned about installation and setup of the PowerShell environment. You should now have a foundation of SQL Server PowerShell. We now are ready to learn about Objects in SQL PowerShell. Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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  • Computer Engineer in CS Interview

    - by blasteye
    As a Computer Engineering student, while in school I've primarily dealt with C, Matlab, and VHDL. On my own though, i learned a bit about OOP (Polymorphism, inheritance, encapsulation), and have done quite a bit of web development using JavaScript/PHP/Node.js While at coding interviews I've be asked academia CS questions such as "abstract vs interface". The problem is that I didn't know the official terminology, but I have dealt with this type of programming decisions/concepts. Could anyone recommend a good resource for me to learn these academia CS terms?

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  • Get Started with Silverlight 3 Data Binding

    If you ve learned about data binding from other Microsoft technologies you ll be glad to hear that Silverlight 3 also gives you a smooth way to handle data binding. This article the first one in a multi-part series gets you started by teaching you some of the techniques you ll need to handle data binding successfully.... Test Drive the Next Wave of Productivity Find Microsoft Office 2010 and SharePoint 2010 trials, demos, videos, and more.

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  • Completing Basic DotNetNuke Website Development in ASP.NET 3.5

    In the first part of this tutorial you learned how to start editing the DotNetNuke installation in Visual Web Developer Express. We also discussed how to start editing DotNetNuke websites using administrator superuser panel. In this second and last part you will learn how to edit the other important checkpoints for developing DotNetNuke websites.... Reach Millions of Netbook Users Easily create and sell netbook apps with the Intel? Atom? Developer program

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  • Search Engine Optimization Strategies 101

    I have learned over the last ten years of internet experience that Search Engine Optimization (SEO) can be an elusive and often overcharged service by "SEO experts." So in this article I will lay out in a simple, step by step fashion how to do search engine optimization that will get your website noticed in the search engine general results. Here are some fundamental search engine optimization strategies to get you started.

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  • Torvalds' quote about good programmer

    - by beyeran
    Accidentally I've stumbled upon the following quote by Linus Torvalds: "Bad programmers worry about the code. Good programmers worry about data structures and their relationships." I've thought about it for the last few days and I'm still confused (which is probably not a good sign), hence I wanted to discuss the following: What interpretation of this possible/makes sense? What can be applied/learned from it?

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  • Proper Usage of Keywords

    As you may have already learned, in order to have more customers you must first have more searchers coming into your webpage. To do that you must have high ranking which you achieve through Search Engine Optimization.

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  • SQL Rally Voting Open

    - by AllenMWhite
    The voting for sessions for SQL Rally has been going on for a couple of weeks now. This week the Enterprise Database Administration & Deployment sessions are up for voting. I didn't go into politics because I don't feel comfortable telling people that they should vote for me but this is how the sessions are being decided for this conference, so here goes. I've submitted two abstracts, both grouped in the Summit Spotlight section. The first is a new session based on what I learned implementing...(read more)

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  • 10 Steps to Optimizing Your Website

    Years ago, when I first started doing SEO work, I remember being frustrated by thousands of articles which offered little to no information on how to optimize a web site. Since that time, I have learned a lot through trial and error.

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