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• How does DataContractSerializer write to private fields?

  - by Eric

  I understand how XMLSerializer could work by using reflection to figure out what public read/write fields or properties it should be using to serialize or de-serialize XML. Yet XMLSerializer requires that the fields be public and read/write. However, DataContractSerializer is able to read or write to or from completely private fields in a class.…

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• Ensuring all git commits make it back to CVS when using git-cvs

  - by Eric

  I'm using git-cvs, and my general workflow is something like this: ...write some code... $ git commit $ git cvsexportcommit -c -p -v <asdf> $ git cvs-import $CVSROOT $ git pull This generally works fine for pushing my commits back to the CVS server and keeping things in sync. However, I'm wondering how I will realize that something is…

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• AVAudioRecorder Memory Leak

  - by Eric Ranschau

  I'm hoping someone out there can back me up on this... I've been working on an application that allows the end user to record a small audio file for later playback and am in the process of testing for memory leaks. I continue to very consistently run into a memory leak when the AVAudioRecorder's "stop" method attempts to close the audio file…

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• Visual studio commands don't work. ctrl + f5 doesn't run my application

  - by Eric

  I used to be able to build and run my console applications by hitting ctrl + f5 in visual studio. This no longer works. I looked everywhere. Does anyone know how to re-enable this command?

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• Does EF 4 Code First's ContextBuilder Dispose its SqlConnection?

  - by Eric J.

  Looking at Code First in ADO.Net EF 4 CTP 3 and wondered how the SqlConnection in their walkthrough is disposed. Is that the responsibility of ContextBuilder? Is it missing from the example? var connection = new SqlConnection(DB_CONN); var builder = new ContextBuilder<BloggingModel>(); var connection = new…

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• How can I distribute a bookmarklet in FBML?

  - by Eric

  I have a JavaScript bookmarklet that I'd like fans of a certain page to take. Unfortunately, the only way I've found of distributing it is giving them the raw JavaScript source, which is then problematic to add as a bookmark. Ideally, I'd use Drag this to the bookmarks bar But FBML filters out the JavaScript href. …

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• Scrapy issue with iTunes' AppStore

  - by Eric

  I am using Scrapy to fetch some data from iTunes' AppStore database. I start with this list of apps: http://itunes.apple.com/us/genre/mobile-software-applications/id36?mt=8 In the following code I have used the simplest regex which targets all apps in the US store. from scrapy.contrib.linkextractors.sgml import…

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• two RewriteRules with www redirect

  - by Eric Di Bari

  I have a multiple language website, that uses subdirectories from the root ('/en' for english and '/es' for spanish) for each specific language. Each redirect appends a get variable to the URL, and hides it using a 'P' flag for proxy. My current htaccess file for the spanish subfolder is: Options…

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• Facebooker Causing Problems with Rails Integration Testing

  - by Eric Lubow

  I am (finally) attempting to write some integration tests for my application (because every deploy is getting scarier). Since testing is a horribly documented feature of Rails, this was the best I could get going with shoulda. class DeleteBusinessTest < ActionController::IntegrationTest …

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• Setting the position within a spinner

  - by eric

  Good Afternoon, I have a spinner array containing 3 spinners. Each spinner is populated via a res string array. Each array contains the numbers 1-100. When the activity starts each spinner contains a string array of 1-100 and when you click on a spinner the first choice is 1. Say a user…

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• Vertical-centering and overflow Excel-style in CSS?

  - by Eric Grange

  Is there a way to perform a vertical centering of a variable-sized multi-line content within a fixed-size div, with hidden overflow? The aim would be to reproduce what you can see in Excel cells: when the content fits the container, it should be vertically centered, when it is larger, the…

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• How to debug applications using COM interfaces?

  - by Eric

  I' building an application using C# which will use CATIA COM modules. When I import the COM inside my c# project, I think that Visual C# express generates the Interop automagically for me. All of this works correctly. However, when I try to debug the application and use watches during…

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• PLT Scheme Memory

  - by Eric

  So I need some help with implementing a Make-memory program using Scheme. I need two messages 'write and 'read. So it would be like (mymem 'write 34 -116) and (mymem 'read 99) right? and (define mymem (make-memory 100)).....How would I implement this in scheme? using an Alist???I need…

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• Using CSS how to change only the 2nd column of a table

  - by Eric

  Using css only, how can I override the css of only the 2nd column of a table. I can get to all of the columns using: .countTable table table td I can not get to the html on this page to modify it since it is not my site. Thanks.

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• serial port parity

  - by Eric Hamilton

  Are there any known problems with using a serial port set for 8 data bits, 1 stop bit and even parity, under Windows XP?

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• Detect Browser Refresh vs. Form Submit in ASP.Net MVC 2

  - by Eric J.

  I have an ASP.Net questionnaire application that resubmits data to the same page, showing a different question each time. There are BACK and NEXT buttons to navigate between questions. I would like to detect when the form is submitted due to a browser refresh vs. one of the buttons…

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• CSS child selector (>) doesn't work with IE

  - by Eric

  The following CSS works well under firefox but doesn't work under IE browser, Why? Also, how can I make only the elements, directly under the parent element, be affected by CSS? CSS: .box{font:24px;} .box>div{font:18px} .box>div>div{font:12px;} HTML: <div…

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• How can I insert or remove bytes from the middle of a large file in .NET

  - by Eric

  Is it possible to efficiently insert or remove bytes from the middle of a large file, and if so how? Or am I stuck rewriting the entire file after the point where the data was inserted or removed? [A lot of Bytes][Unwanted Bytes][A lot of Bytes] - > [A lot of Bytes][A…

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• AS3 Classes - Should I use them?

  - by Eric

  I'm working on a project in Flash CS4/AS3 and I have a document class set up but I am wondering about using that, as opposed to frame-based scripting. Most of what I have seen so far deals with how to create them, but doesn't offer much about why or when to use them. I…

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• _mask and Rails

  - by Eric Koslow

  So I am trying to get the cancan gem to work with my rails 3 app and I've hit a problem. I tried to copy the code that Ryan Bates (the creator of the gem) used in his screen cast, but I get an error saying that roles_mask is not a method. I figure that the _mask…

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• UIPickerView selectedRowInComponent: returns stale data after code adjusts it

  - by Eric Lloyd

  I have a UIPickerView with multiple components. Some values are grayed out, and my pickerView:didSelectRow:inComponent honors this by shifting the picker component in question to the nearest valid value, much as UIDatePicker moves from "30" to "28" when you select…

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• Edit and Continue does not Work in VS 2010 / ASP.Net MVC 2

  - by Eric J.

  Although Enable Edit and Continue is checked on the Web tab of my ASP.Net MVC 2 project, I cannot in fact change the source code while running. For example, if I try to edit a controller while paused in the debugger, I cannot change the file (acts as if read…

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• Why is "Fixup" needed for Persistence Ignorant POCO's in EF 4?

  - by Eric J.

  One of the much-anticipated features of Entity Framework 4 is the ability to use POCO (Plain Old CLR Objects) in a Persistence Ignorant manner (i.e. they don't "know" that they are being persisted with Entity Framework vs. some other mechanism). I'm trying…

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• How do you give variables reference in javascript?

  - by Eric

  I want to give variables reference in javascript. For example, I want to do: a=1 b=a a=2 and have b=2, and change accordingly to a. Is this possible in javascript? If it isn't is there a way to do like a.onchange = function () {b=a}? What I wanted to…

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• [python] voice communication for python help!

  - by Eric

  Hello! I'm currently trying to write a voicechat program in python. All tips/trick is welcome to do this. So far I found pyAudio to be a wrapper of PortAudio. So I played around with that and got an input stream from my microphone to be played back to my…

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