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  • My First Windows Phone 7 Application

    tweetmeme_source = 'alpascual';Scott Guthrie started the thread of creating a Windows Phone 7 Twitter application in the Mix, followed by Miguel de Icaza creating an iPhone Twitter Client. So I thought to extend the demo to a full Twitter client that can actually sends Tweets as well in Windows Phone 7. I created the UI for the twitter client to login and the Status Text Box. I also wanted to use the location services, however the emulator does not support location just yet, always returns...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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  • A first look at SQL Server 2012 Availability Group Wait Statistics

    If you are trouble-shooting an AlwaysOn Availability Group topology, a study of the wait statistics will give a pointer to many of the causes of problems. Although several wait types are documented, there is nothing like practical experiment to familiarize yourself with new wait stats, and Joe Sack demonstrates a way of testing the sort of waits generated by an availability group under various circumstances.

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  • Questions on first install

    - by Jordan March
    I've just installed Ubuntu 12.10 64bit on dual boot with windows 7. I've been looking for a lot of the things people say to download, like myunity but when I search in the software center, nothing comes up, just stuff like magazines. Do I need to add some ppas for it to see them? What are some that I should add on a new install? And can anyone help me get myunity on here so I can start customising my desktop? Thanks

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  • ignore this test

    - by Name
    http://markitup.jaysalvat.com/downloads/markupsets/wiki/set.js Here is a useful construct when trying to hide variables from the parent namespace. All the code within the function is contained in the private scope of the function, meaning it is allowed. So you've become comfortable with jQuery and would like to learn how to write your own plugins. Great! You're in the right spot. Extending jQuery with plugins and methods is very powerful and can save you and your peers a lot of development time by abstracting your most clever functions into plugins. This post will outline the basics, best practices, and common pitfalls to watch out for as you begin writing your plugin.

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  • The First Steps to Create My Own Website

    Those who are new online might be wondering how you create my own website and the truth of the matter is that it is much easier than you ever would have expected. We show how to go about doing that and a great way to do in all in one simple formula.

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  • First look at Ubuntu 10.04

    <b>Distrowatch:</b> "Quite a few of changes have been poured into 10.04, code named "Lucid Lynx", and I was curious to see what the Ubuntu team had put together. Before trying the new release, I had a chance to pick the brain of Gerry Carr, Head of Platform Marketing at Canonical."

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  • A first look at Haiku (alpha)

    <b>Distrowatch:</b> "When talking about kernel scheduling and desktop responsiveness, it's common to hear people in the tech community talk fondly of BeOS, a desktop system which hails from the 1990s. BeOS had a well-deserved reputation for providing users with a polished desktop and smooth interaction, even when the processor was under heavy load."

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  • Array sum of difference of first smallest k elment

    - by prateeak ojha
    Hi i come across this challenge on an online programing challange the task is so simple for ex WE have to variable N and K where N is where N is lenght of array and we have to find sum of duiffrence of K smallest element of array as Sample Input 10 4 1 2 3 4 10 20 30 40 100 200 Sample Output 10 Explanation #0 We have 10 as N size of array and K is 4 here the next N values are array's elments in order to find sum of diffrences we will takek smallest values from array which are 1,2,3,4 then will perform operation(sum of difference) as |1-2| + |1-3| + |1-4| + |2-3| + |2-4| + |3-4| = 10 I tried solving the problem and found a way through which i can solve the problem wit N^3 complexity but my solution is rejected i need a approach to solve the problem with n complexity i still can't figure out a way .. looked at some solution but coud'nt find the exact way to approach. if anybody have a better idea and would like to share it would be appreciable thanks in advance

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  • Taking Steps to Build Your First Website

    Lots of people want to have their own website, unfortunately not a lot of them know anything about how to design one, if you are going to pay somebody to design a website for you, always make sure that the person or company that you use are trustworthy. It is always good picking your own domain name, you want something that is short but stands out, if you need to check what domain names are available to use you could look on whois.com.

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  • First, we kill all the patent lawyers

    <b>Computerworld:</b> "Actually, I don't think we should kill all the patent lawyers. Some of my best friends are patent attorneys -- no, really. But I'd happily stick a knife into the American patent system."

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  • Errors with the Basic OpenCV Hello World

    - by GuyNoir
    I'm simply trying to run the basic openCV hello world tutorial code, but I'm getting errors. I have everything properly linked and built, but it's not working. This seems like it should be extremely easy, but it's not working. OpenCV is properly installed, and I even attempted to place opencv_core220d and opencv_highgui220d in the Debug folder of my project, but no luck. I'm running Visual Studio 2010 under Windows 7 64bit. Here's the errors: 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\ntdll.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\kernel32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\KernelBase.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Users\John\Documents\Visual Studio 2010\Projects\Webcam test\Debug\opencv_core220d.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msvcp100d.dll', Symbols loaded. 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msvcr100d.dll', Symbols loaded. 'Webcam test.exe': Loaded 'C:\Users\John\Documents\Visual Studio 2010\Projects\Webcam test\Debug\opencv_highgui220d.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\user32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\gdi32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\lpk.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\usp10.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msvcrt.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\advapi32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\sechost.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\rpcrt4.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\sspicli.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\cryptbase.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\ole32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7600.16661_none_ebfb56996c72aefc\comctl32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\avifil32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\winmm.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msacm32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msvfw32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\shell32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\shlwapi.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\avicap32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\version.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\imm32.dll', Cannot find or open the PDB file 'Webcam test.exe': Loaded 'C:\Windows\SysWOW64\msctf.dll', Cannot find or open the PDB file The program '[5512] Webcam test.exe: Native' has exited with code 1 (0x1). Here's my code: // OpenCV_Helloworld.cpp : Defines the entry point for the console application. // Created for build/install tutorial, Microsoft Visual Studio and OpenCV 2.2.0 #include "stdafx.h" #include <cv.h> #include <cxcore.h> #include <highgui.h> int _tmain(int argc, _TCHAR* argv[]) { // Open the file. IplImage *img = cvLoadImage("photo.jpg"); if (!img) { printf("Error: Couldn't open the image file.\n"); return 1; } // Display the image. cvNamedWindow("Image:", CV_WINDOW_AUTOSIZE); cvShowImage("Image:", img); // Wait for the user to press a key in the GUI window. cvWaitKey(0); // Free the resources. cvDestroyWindow("Image:"); cvReleaseImage(&img); for(int i = 0; i < 10000; i++){ printf("Error: Could"); } return 0; }

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  • Android Eclipse Plugin: Instrumentation Test Runner not specified.

    - by Rob Stevenson-Leggett
    I'm getting this error when trying to run unit tests from Eclipse with an Android Project. The list of Instrumentation Test Runners is empty in the Android preferences. [2009-06-17 23:57:51 - MyApp] ERROR: Application does not specify a android.test.InstrumentationTestRunner instrumentation or does not declare uses-library android.test.runner Google-fu failing me. It's also annoyingly decided that because I tried to run a unit test once, that's what I always want to do... Grr

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  • Test existence of xml attribute in as3

    - by matb
    Hi, What is the best method to test the existence of an attribute on an XML object in ActionScript 3 ? http://martijnvanbeek.net/weblog/40/testing_the_existance_of_an_attribute_in_xml_with_as3.html is suggesting to test using if ( node.@test != node.@nonexistingattribute ) and I saw comments suggesting to use: if ( node.hasOwnProperty('@test')) { // attribute qtest exists } But in both case, tests are case sensitive. From the XML Specs : "XML processors should match character encoding names in a case-insensitive way" so I presume attribute name should also be match using a case-insensitive comparison. Thank you

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