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• System.Linq.Expressions.ExpressionVisitor is inaccessible due to its protection level

  - by tags2k

  I'm trying to follow the instructions on Creating an IQueryable LINQ Provider, but when I implement the classes which inherit from ExpressionVisitor as instructed I am told that ExpressionVisitor is inaccessible due to its protection level. Am I missing something incredibly basic?

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• How do I use continuations on Scala 2.8?

  - by Seth Tisue

  Scala 2.8.0.RC1 includes the continuations plugin on trunk for the first time, but the details of how to use it have changed from previous releases, so it's difficult to follow the blog entries and SO answers out there that talk about continuations but were written for previous versions.

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• Iphone-exif 0.91 not working when I add it to my project, gives error ".objc_class_name_EXFJpeg", r

  - by user295944

  When I add libiphone-exif.a to snapandrun in objectiveflickr I get this error: ".objc_class_name_EXFJpeg", referenced from: literal-pointer@__OBJC@__cls_refs@EXFJpeg in SnapAndRunViewController.o ld: symbol(s) not found collect2: ld returned 1 exit status I do not know what this means, I follow the guide to add it, add all of the .h files and the libiphone-exif.a Is there something special I have to do?

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• Outlook like UI Standards

  - by Amit

  Hi All, Need your help. I am in dire need of UI standards like we have in outlook, the size of the window, mesage sizes, font size stuff and all. I am trying to make few Add-ins, but clinet needs me to follow the UI standards as of outlook, request you to please help me. Amit

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• How to create Data Entry User Interfaces in asp.net?

  - by Wael Dalloul

  Suppose that you have a big Data Entry Web Application Like Microsoft CRM, what is the strategies and technologies that you follow to build a website like it? I don't want to use any Dynamic Web Page Generation software, because it have a lot of limitations.. Also I don't want to design every page and repeat everything what's the best approach? Any Ideas or Head lines on this issue? Thanks in Advance...

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• appcfg.py: error: no such option: --dump on google-app-engine

  - by zjm1126

  i follow this article :http://code.google.com/intl/en/appengine/docs/python/tools/uploadingdata.html and want to download all data from my app , but when i use the next code,it show error: D:\zjm_demo\app>appcfg.py --dump --app_id=zjm1126 --url=http://zjm1126.appspot.c om/remote_api --filename=a.csv Usage: appcfg.py [options] <action> appcfg.py: error: no such option: --dump why ? thanks

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• Do you have any favorite ergonomic exercise or habit?

  - by melaos

  I've read somewhere that ergonomic problems accounts for 70% of injury... And i don't want to be one of those guys who think, ahh it's just a slight sore, and go on and discover that i have CTS and have to operate on my hands!!! So are the any good ergo habits that you follow religiously each day? Or some cool tools that would send any ergo issue to a cold hell and force it to stay there. So we can program hopefully until we're old and wicked.

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• Background process in linux using Ruby on Rails

  - by Salil

  Hi All, I want to do some process such as sending emails or using ffmpeg commands in backgound as it takes to much time. I want it should run in a background. I am using Fedora 10. Also can i check whether my background process is running successfully or not . is it posssible?if yes what would be the steps i should follow.Any help is appreciated. Thanks in Advance.

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• interview questions for a 7 year Exp Guy?

  - by harigm

  What kind of approach I(5 Years Exp In Java J2ee Platform) need to follow to interview 8 years exp Guy in Java and J2ee technology. I am asking all the basic questions, where he is able to answer, if he is atleast the bookish knowledge. I want to ask some thing different where we can check his actual skills in technical. Can any one help me with some thoughts where i can use to get some good and technical challenging questions to ask?

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• What is a real world example of bad code or programming practice

  - by Luke101

  I just want to know some bad programming practice or code I should avoid to make sure it does not exist in my code. I use c# asp.net but the example you give can be in any language since the idea is still the same. I have follow many suggestions on SO that really cleaned my code up. Now I looking to launch my application and want to make sure its ready for prime time.

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• Creating an AJAX-Enabled Web Site

  - by AZIRAR

  Hey, I'am trying to follow an ASP.NET with AJAX Training. At certain moment, they deploy an AJAX-Enabled Web Site. but for me I can't found this option (I'm using Visual Studio 2008). Even if I installed the Ajax Control Toolkit it still not working for me !! What must I do to find this ?

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• How To Make RSS Data Accessible

  - by xarzu

  RSS data is nothing more than xml data, right? But is it some sort of special format that a webmaster have to follow inorder to be read from an RSS Reader? How do I make the XML data of my web site formatted for RSS readers?

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• 3 tier with ASP.NET, C# and Oracle 11g

  - by ephraim

  Hi I am new to .NET, want to follow N-tier approach using Visual Studio 2010(ASP.NET MVC + C#),IIS and Oracle 11g(installed on the remote linux machine). I need to have Presentation, Business Logic, Data Access and Data Tiers. Can anyone give me site/example application with the following fuctionality: insert, retrieve, delete and update/modify data in the database. A step by step guide will be highly appreciated. Thank you in advance

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• WPF Applying a trigger on binding failure

  - by Aran Mulholland

  This question is a follow on from this one... I am binding to a heterogeneous collection of objects, not all objects have the same set of properties. I am doing this in a datagrid. I would like to gray out the cell if the binding fails. Is there a way to apply a trigger if a binding fails?

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• Upgrading From Sql Server 2005 to Sql Server 2008

  - by MZT

  Our company wants to upgrade from Sql Server 2005 to Sql Server 2008 and I wanna ask about: What are the steps I should follow to upgrade from 2005 to 2008 ? At what point should I take care of it while upgrading ?

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• sqlite over network share for failover

  - by reinier

  As a follow-up of this question: sqlite-over-a-network-share If I put the SQlite DB on a network share, but will not access it concurrently from different machines. I only have the SQLite db stored on a share so a cluster of failover computers can take over where one machine left off. Are there any inherent problems with that approach?

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• How to debug a stackoverflow problem on targets

  - by dara

  I want to know how do we proceed to debug an STACKOVERFLOW issue on targets . I mean what are the steps we should follow to reach to conclusion.

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• Unrecognized input filetype FFMPEG gas-preprocessor.pl

  - by Eyal

  Hi, I try to use FFMPEG in the iPhone, I follow by this link http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-October/076618.html When I running the ./configure --cc=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin9-gcc-4.2.1 --as='gas-preprocessor.pl /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin9-gcc-4.2.1' --sysroot=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.1.sdk --enable-cross-compile --target-os=darwin --arch=arm --cpu=arm1176jzf-s script I getting the error: “Unrecognized input filetype at /bin/sh line 23? Pls help me. Thanks, Eyal.

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• create a cab file in visual studio 2008

  - by nuttynibbles

  hi, i did my project in c# compact framework with visual studio 2008. now i wanna create a cab file. i follow the instructions at [http://www.mobilepractices.com/2008/02/how-to-create-windows-mobile-smart.html] but im having trouble. the part that says "Browse and find SampleKindOfResourceFile.xml and press OK.", i cant find any xml in my main folder list. the only xml is found is app.config is this the correct one?

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• How to license my work under creative commons?

  - by Hamid Sarfraz

  How to license my writing work under creative commons. Do i have to follow some procedure or do i just need to show a notice and thats all? I need detailed help. Thanks in advance.

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• MySQL Connector Linker Problem

  - by Layne

  Hey, I'm trying to compile a program with the MySQL C++ Connector but somehow I can't get the linking right. The errors I get are: mysql/lib/libmysqlcppconn.so: undefined reference to `std::ios_base::ios_base()@GLIBCPP_3.2'.... etc locations: libmysqlcppconn.so: mysql/lib/ libmysqlclient.so: /usr/lib/ I tried to follow the tutorial on mysql and some other pages but the results where the same, maybe I missed something.

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• Recurring Appointments in Dynamics CRM

  - by true

  It doesn't look like Dynamics allows for recurring appointments. I found a tutorial for recurring service activities, but I don't really follow the portion where it sends a SOAP object. If anyone can help I would appreciate it

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• setting up Droid for development

  - by sungpil yoon

  Hi, I am trying to follow the instructions on this page "Developing on a device". After I finished all the steps, and executes command "adb devices", my Droid is not listed. Is there anything else that I need to do if my device is Droid? It seems there are discussions on this issue but I could not find any definitive answer. Thank you.

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• How to generate a certificate request with SubjectAltNames on IIS 6.0 ?

  - by Gumble

  I'm looking for a way to add a Subject Alternative Name in my certificate request in the IIS 6.0 certificate creation wizard. It seems I can only fill the Subject field and not the Subject Alternative Name. Trying to follow this guide (http://support.microsoft.com/kb/931351) using certreq.exe doesn't help, it fails without any hint except that it prints its manual. Any suggestions appreciated, I hope I won't have to export my public key and generate the csr with openssl :/

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• Does it make sense to resize an Hash Table down? And When?

  - by Nazgulled

  Hi, My Hash Table implementation has a function to resize the table when the load reaches about 70%. My Hash Table is implemented with separate chaining for collisions. Does it make sense that I should resize the hash table down at any point or should I just leave it like it is? Otherwise, if I increase the size (by almost double, actually I follow this: http://planetmath.org/encyclopedia/GoodHashTablePrimes.html) when the load is 70%, should I resize it down when the load gets 30% or below?

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