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• How do I resolve the config error which states a machine to application error

  - by waterfalrain

  I imported a website made in visual studio express 2008 to visual studio express 2010. When I run the home page I get the following error: "It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS." When I looked up the meaning of this on Google I read their needed to be a change to the configuration of the virtual directory. Another suggestion was to change the web config files . T Were these suggestions correct? If so how do I emplement them so that I can view these website pages on my local machine.

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• Applet in different directory than .html page

  - by Jorge Matos

  Hello all, I'm trying to use a different directory to contain the applets and other directory with .html pages. Both are in the same level, that is, none is a sub-directory of the other. For that I was trying to use the parameter codebase, however, no matter what I put in codebase value (relative, absolute path) I always get a class not found error. I googled and found some people with the same problem, but no answers:( Does anybody knows how to accomplish this? I'm using JRE 1.6_20. Cheers, Jorge

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• Performance Tricks for C# Logging

  - by Charles

  I am looking into C# logging and I do not want my log messages to spend any time processing if the message is below the logging threshold. The best I can see log4net does is a threshold check AFTER evaluating the log parameters. Example: _logger.Debug( "My complicated log message " + thisFunctionTakesALongTime() + " will take a long time" ) Even if the threshold is above Debug, thisFunctionTakesALongTime will still be evaluated. In log4net you are supposed to use _logger.isDebugEnabled so you end up with if( _logger.isDebugEnabled ) _logger.Debug( "Much faster" ) I want to know if there is a better solution for .net logging that does not involve a check each time I want to log. In C++ I am allowed to do LOG_DEBUG( "My complicated log message " + thisFunctionTakesALongTime() + " will take no time" ) since my LOG_DEBUG macro does the log level check itself. This frees me to have a 1 line log message throughout my app which I greatly prefer. Anyone know of a way to replicate this behavior in C#?

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• How important is W3C XHTML/CSS validation when finalizing work?

  - by Andrew G. Johnson

  Even though I always strive for complete validation these days, I often wonder if it's a waste of time. If the code runs and it looks the same in all browsers (I use browsershots.org to verify) then do I need to take it any further or am I just being overly anal? What level do you hold your code to when you create it for: a) yourself b) your clients P.S. Jeff and company, why doesn't stack overflow validate? :) EDIT: Some good insights, I think that since I've been so valid-obsessed for so long I program knowing what will cause problems and what won't so I'm in a better position than people who create a site first and then "go back and fix the validation problems" I think I may post another question on stack overflow; "Do you validate as you go or do you finish and then go back and validate?" as that seems to be where this question is going

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• How can you calculate the X/Y coordinate to zoom to

  - by Mark

  Im writing a WPF application that has a zoom and pan ability, but what I want to also implement is the ability to zoom and pan "automatically" (via a button click). I have the methods all defined to zoom and pan, but Im having trouble telling the app the desired X/Y coordinates for the panning. Basically, I know that I want the control to be centered at a desired zoom level (say zoomed in 6X times), but the panning destination point is NOT the center point of the control because after the zooming, its been scaled. Does anyone know a way of calculating the desired X/Y position to pan to, taking into account the zooming as well? Do I just scale the desired destination Point? It doesnt seem to work for me... Thanks a lot

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• Practices for Foreground/Background threads in .NET

  - by Andrei Taptunov

  I work with in-house legacy communication framework which exposes some high level abstractions. These abstractions are wrappers with some logic around .NET threads. When I looked at code I've noticed that some abstractions are wrappers around foreground threads while others are wrappers around background threads. The sad thing is that I don't see any logic why in some cases foreground threads are used and background in other cases. Are there any guidelines or patterns & practices when it's better to choose one over another on server side and client side (I believe there should be some difference)?

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• .net open auth?

  - by chobo2

  Hi I know stackoverflow uses open authentication. I want to try and use this as well. I am using asp.net mvc 2.0 with C#. I found this http://www.dotnetopenauth.net/ and I am wondering if this is what was used for stackoverflow. Also any tutorials would be nice as well. Edit I am trying to load up some sample projects but when I build it in VS2010 I get Error 6 'System.Diagnostics.Contracts.ContractInvariantMethodAttribute' is inaccessible due to its protection level C:\Users\chobo2\Downloads\DotNetOpenAuth-3.4.6.10357\DotNetOpenAuth-3.4.6.10357\Samples\OpenIdOfflineProvider\TextBoxTextWriter.cs 73 4 OpenIdOfflineProvider Error 7 The type or namespace name 'ContractInvariantMethod' could not be found (are you missing a using directive or an assembly reference?) C:\Users\chobo2\Downloads\DotNetOpenAuth-3.4.6.10357\DotNetOpenAuth-3.4.6.10357\Samples\OpenIdOfflineProvider\TextBoxTextWriter.cs 73 4 OpenIdOfflineProvider

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• Unable to create index because of duplicate that doesn't exist?

  - by Alex Angas

  I'm getting an error running the following Transact-SQL command: CREATE UNIQUE NONCLUSTERED INDEX IX_TopicShortName ON DimMeasureTopic(TopicShortName) The error is: Msg 1505, Level 16, State 1, Line 1 The CREATE UNIQUE INDEX statement terminated because a duplicate key was found for the object name 'dbo.DimMeasureTopic' and the index name 'IX_TopicShortName'. The duplicate key value is (). When I run SELECT * FROM sys.indexes WHERE name = 'IX_TopicShortName' or SELECT * FROM sys.indexes WHERE object_id = OBJECT_ID(N'[dbo].[DimMeasureTopic]') the IX_TopicShortName index does not display. So there doesn't appear to be a duplicate. I have the same schema in another database and can create the index without issues there. Any ideas why it won't create here?

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• Android 2.3.3 - Messages: Wrong Status Information in the Conversation Overview

  - by Thomas Hoffmann

  On my HTC Desire Z with Android 2.3.3 I get from time to time the problem, that the status information ist wrong. That means status information says, that there is an unread, unsent or failed SMS, but this SMS is already deleted. Does anybody know, where I can reset this information? It must be stored anywhere in ContentResolver of content://mms-sms/conversations or content://sms/conversations on the thread-level, but I have no idea. Example: After I deleted a number of failed SMS in the non delivered SMS overview, the status of non delivered SMS was not reset in the Messages conversation overview though in each conversation there wasn't any undelivered SMS left.

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• How to prevent traffic to/from a slow Cassandra node using Python

  - by Sergio Ayestarán

  Intro: I have a Python application using a Cassandra 1.2.4 cluster with a replication factor of 3, all reads and writes are done with a consistency level of 2. To access the cluster I use the CQL library. The Cassandra cluster is running on rackspace's virtual servers. The problem: From time to time one of the nodes can become slower than usual, in this case I want to be able to detect this situation and prevent making requests to the slow node and if possible to stop using it at all (this should theoretically be possible since the RF is 3 and the CL is 2 for every single request). The questions: What's the best way of detecting the slow node from a Python application? Is there a way to stop using one of the Cassandra nodes from Python in this scenario without human intervention? Thanks in advance!

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• How do I actually use Authorization Services?

  - by abrahamvegh

  I've been searching and experimenting for nearly four hours now, so I'm gonna just ask straight up: How can I correctly use the Authorization Services API to show the user a system-level authorization window, the same one you see when you click a lock icon in System Preferences? From what I can tell, there is no way to do it using Cocoa if you want to do it programmatically, and if your goal is to call an executable that normally needs to be called via sudo (in my case, /usr/bin/pmset) you're up a creek without a paddle. I challenge you, I implore you: Please, enlighten me. Thank you. :)

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• Is it acceptible to expect mentoring to replace many years experience?

  - by Mantorok

  Hi all Just a quick question Here's my situation: I've been maintaining, extending and creating websites against a CMS for the last 18 months In that time I've learnt a LOT more about ASP.Net, javascript, and of course the quirks of the CMS we are using My manager wants to get others involved, and I'm expected to mentor another programmer whilst they work on production code Now, I've got no problem mentoring someone and it would be great for me to not be the only one with the skillset. But what I HAVE got a problem with is mentoring someone within an agreed timescale of the piece of work (10 days in this case) AND expected to deliver the product to the same standard. I guess what I'm getting at is: 18 months experience != a few days mentoring, not to mention the level of C#/.Net/ASP.Net/Javascript required may also not be up to scratch. Am I right to think this is a little, wrong?

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• ASP.NET MVC 2 relative paths for scripts and styles

  - by Tomaszewski

  Hi, having this really silly problem in ASP.NET MVC 2 with .NET 4. I need to test other pages using localhost, but sometimes I need to show the page to some else on another computer and so need to path out to my machine. In doing so, I need to use relative paths for my and tags. When I test through VS, I use relative path: <script src="../../Scripts/somejavascript.js"></script> <link href="../../Styles/somestyle.css" /> However, when I publish to local IIS, I'm having all sorts of problems beacuse the Scripts and Styles folder are at the same directory level, but it seems like I have to path out differently. For example, in the scenario above the styles will be picked up but the JavaScript won't be. Any ideas on how best to path out, relatively using MVC 2?

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• Render only the segment/area of a circle that intersects the main circle

  - by Greenhouse Gases

  I absolutely love maths (or 'math' as most of you would say!) but I haven't done it to a level where I know the answer to this problem. I have a main circle which could have a centre point at any x and y on a display. Other circles will move around the display at will but at any given call to a render method I want to render not only those circles that intersect the main circle, but also only render the segment of that circle that is visible inside the main circle. An analogy would be a shadow cast on a real life object, and I only want to draw the part of that object that is 'illuminated'. I want to do this preferably in Java, but if you have a raw formula that would be appreciated. I wonder how one might draw the shape and fill it in Java, I'm sure there must be some variation on a polyline with arcs or something? Many thanks

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• How come you cannot catch Code Contract exceptions?

  - by Finglas

  System.Diagnostics.Contracts.ContractException is not accessiable in my test project. Note this code is purely myself messing around with my shiney new copy of Visual Studio, but I'd like to know what I'm doing wrong. I'm using the professional edition of VS, therefore I do not have static checking. In order to still use code contracts (which I like) I figured the only way my method can work is to catch the exception that is thrown at runtime, but I'm not finding this possible. TestMethod [TestMethod, ExpectedException(typeof(System.Diagnostics.Contracts.ContractException))] public void returning_a_value_less_than_one_throws_exception() { var person = new Person(); person.Number(); } Method public int Number() { Contract.Ensures(Contract.Result<int>() >= 0); return -1; } Error Error 1 'System.Diagnostics.Contracts.ContractException' is inaccessible due to its protection level.

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• cakephp VS codeigniter VS zend framework

  - by i need help

  Very possibly very related: What PHP framework would you choose for a new application and why? Zend or CakePHP? Which one is better? Some people say CakePHP is better for php 4, what do you think? In my case, I would like the following: Lesser code to write, have really strong library and plugin base. Always have new library etc added in from contributor, eg: google map and etc... Ability to use together with the templating system like smarty. Have ACL that can control all the permission level issue. Load class when needed, unload when not needed. Load class once and use globally. Can run in windows environment (I am using xampp to run my php in windows.) After the site done, I will upload all codes into windows 2008 server (using php 5)

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• SQL 05 full-text query fails "Specified module could not be found."

  - by Dan Bailiff

  I'm running SQL 2005 on Windows XP. I have a database table that has full text searching enabled. I was able to build and even re-build the index. However, when I try to query it like this: Select * from fulltext_english WHERE CONTAINS(page_data, 'causes') I get this error: Msg 7619, Level 16, State 1, Line 1 The execution of a full-text query failed. "The specified module could not be found." Did I miss something on the install? Is this a dll issue? I've googled and binged for days and can't find anything similar to this message. Thanks!

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• Developer workload management software: recommendations?

  - by PaddyC

  In my place, we use two issue tracking tools, one for production bugs, and another for issues on projects in development. These tools are good for managers. However, at an individual level, other work can also arrive through desk visits, email, or the phone, and those allocating the work aren't always interested in issue tracking systems. I've recently rolled off an 18-month project where I got into a cycle of overtime, and I found that I didn't always have good visibility of all work assigned to me. As a result, I was always very busy, and felt constantly laden down with work, but didn't have the clear data to show my manager (or, ironically, the time to stop and gather the information!). A handwritten list, updated at the end of each day, is a good start, but can anyone recommend better tools to help me get a clear view of my own workload? Ideally, I'm thinking of software tools for developers, which could incorporate estimates, but all suggestions welcome. Thanks, Paddy

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• Download Drools RuleFlow files from Guvnor

  - by Shakil Siraj

  Hello all, I can upload RuleFlow (.rf) files to Guvnor (both 5.1 M1 and 5.0) and execute them with rules on the server. If I want to use Guvnor as a repository, is there any way I can download the RuleFlow files into my project on the fly? On the package level, Guvnor provides some "Information and Important URLs" which only talk about rules. I was wondering if there is any other URL which will give me the RuleFlow files? Is WebDav my only other option? Thanks in adavance.

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• Does a version control database storage engine exist?

  - by Zak

  I was just wondering if a storage engine type existed that allowed you to do version control on row level contents. For instance, if I have a simple table with ID, name, value, and ID is the PK, I could see that row 354 started as (354, "zak", "test")v1 then was updated to be (354, "zak", "this is version 2 of the value")v2 , and could see a change history on the row with something like select history (value) where ID = 354. It's kind of an esoteric thing, but it would beat having to keep writing these separate history tables and functions every time a change is made...

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• Cant access log files in production.

  - by Sid

  I was trying to run my application and check for some output on the production.log. However Rails throws this error. Apache log Rails Error: Unable to access log file. Please ensure that /var/www/somefolder/someapp/log/production.log exists and is chmod 0666. The log level has been raised to WARN and the output directed to STDERR until the problem is fixed. I have performed the necessary chmod 666 production.log to make it work but I realized that the file is under root access. So my file permissions are -rw-rw-rw- 1 root root 20845 2010-03-18 01:18 production.log Im not sure how to allow Rails to access this file. Im fairly new to managing linux production env so I request you to excuse my ignorance.

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• Sizing of a UITableViewCell

  - by Xetius

  I have created a UITableViewCell derived class which resizes itself to display at an indentation level. I have tried setting indentationLevel and indentationWidth using the following in the ViewControllers cellForRowAtIndexPath: cell.indentationLevel = [[item objectForKey:@"indent"] intValue]; cell.indentationWidth = CELL_INDENT_SIZE; This in itself does not indent the cell, so I am using the following layoutSubviews in the UITableViewCell: -(void)layoutSubviews { CGFloat indentSize = (self.indentationLevel - 1) * self.indentationWidth; CGRect r = containerView.frame; containerView.frame = CGRectMake (r.origin.x + indentSize, r.origin.y, r.size.width - indentSize, r.size.height); DLog(@"frameRect : %f, %f, %f, %f, %f",indentSize, r.origin.x, r.origin.y, r.size.width, r.size.height); [super layoutSubviews]; } This works fine for the initial layout, but when the cell is selected, it recalculates itself from the new dimensions and effectively shrinks the cell every time it is selected. How can I resize this cell so that it doesn't keep changing the layout.

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• How to resolve Android class issues: android.Manifest$permission and android.R?

  - by Maxood

  I have updated software and ADT in my Eclipse a number of times. I am unable to run projects above than 1.5.I have the following errors showing up in my console window after i create a HelloWorld project with API Level 4 (1.6): [2010-04-04 22:21:53 - Framework Resource Parser] Collect resource IDs failed, class android.R not found in E:\Android\android-sdk_r04-windows\android-sdk-windows\platforms\android-1.6\android.jar [2010-04-04 22:21:53 - Framework Resource Parser] Collect permissions failed, class android.Manifest$permission not found in E:\Android\android-sdk_r04-windows\android-sdk-windows\platforms\android-1.6\android.jar [2010-04-04 22:21:54 - Android Framework Parser] failed to collect preference classes How to resolve this issue?

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• What are the requirements for an application health monitoring system?

  - by Steven A. Lowe

  What, at a minimum, should an application health-monitoring system do for you (the developer) and/or your boss (the IT Manager) and/or the oeprations (on-call) staff? What else should it do above the minimum requirements? Is monitoring the 'infrastructure' applications (ms-exchange, apache, etc.) sufficient or do individual user applications, web sites, and databases also need to be monitored? if the latter, what do you need to know about them? ADDENDUM: thanks for the input, i was really looking for application-level monitoring not infrastructure monitoring, but it is good to know about both

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• How to join mysql tables

  - by Ivan

  I've an old table like this: user> id | name | address | comments And now I've to create an "alias" table to allow some users to have an alias name for some reasons. I've created a new table 'user_alias' like this: user_alias> name | user But now I have a problem due my poor SQL level... How to join both tables to generate something like this: 1 | my_name | my_address | my_comments 1 | my_alias | my_address | my_comments 2 | other_name | other_address | other_comments I mean, I want to make a "SELECT..." query that returns in the same format as the "user" table ALL users and ALL alias.. Something like this: SELECT user.* FROM user LEFT JOIN user_alias ON `user`=`id` but it doesn't work for me..

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