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• Core Data - Breaking A Relationship

  - by Garry

  Hi, I have a Patient entity and a List entity. A Patient can belong to several different lists and a list can have several different patients. Say I have a patient who belongs to 3 lists (A, B, C). I want to remove the patient from lists A & B. I do not want to delete lists A & B themselves though obviously. How do I go about doing this?

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• Is it okay to hit the database from a custom model binder?

  - by Byron Sommardahl

  Say I have an object that gets some data from HttpPost and some from the database. I think I want to allow the ModelBinder to go to the database/repository for the that data missing from the post. In practice, is this a good or bad idea?

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• Wondering how I can get tag information from mp3 files on android emulator

  - by GatesReign

  I am new to Android development and have decided to build a tag editor for the device. I would like to know how to go about extracting the id3 tags from the file that I have selected.

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• Divs over images using JavaScript

  - by Abhi

  Say I have an image with a couple of dots in a web page. When someone clicks on the dots I want a JavaScript function to be executed and then a div placed over the clicked dot in the image. Something akin to markers in maps. How do I go about doing this?

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• is there anyway to add a primary autonumber key to an already existing database table

  - by oo

  i have inherited a database application from someone else and there are a few tables that dont have any primary keys. I want to add a new column into an already existing table and have it autonumber (starting from 1). how would i go about doing this?

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• parsing a string of ascii text into separate variables

  - by jml

  Hi there, I have a piece of text that gets handed to me like: here is line one\n\nhere is line two\n\nhere is line three What I would like to do is break this string up into three separate variables. I'm not quite sure how one would go about accomplishing this in python. Thanks for any help, jml

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• Web bot in C++/PHP.

  - by John

  Hello, I've recently started learning PHP, but I have a wide knowledge on C++. I've been wondering how to make a web bot and now, I would greatly like to make one. I won't be using this robot for spamming or anything, just as a test of what PHP/C++ can do online. I was wondering how I could go about doing this and if you have any articles/tutorials that would be helpful. Thanks, John

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• Preserving CSS styles with Javascript

  - by Eber Freitas Dias

  Hey guys, I have a web service where people can edit their pages CSS, but I have a bar on the footer of that page that I want to make consistend on every page... People are, right now, able to "remove" it with CSS and I really didn't want to go and parse the CSS to remove rules related to that bar... Is there a way to preserve the styles or re-aply them after load to keep the bar always visible? Thanks in advanced!

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• Open source interactive color theme chooser

  - by Sam Saffron

  I would like to give my users something similar to crystallines color chooser or themeroller so they can interactively theme the site. Is there an open source solution that would go most of the way in this respect? Short of that what color picker would you recommend?

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• What is the difference between dllexport and dllimport?

  - by 1800 INFORMATION

  I'm just looking for a simple, concise explanation of the difference between these two. MSDN doesn't go into a hell of a lot of detail here.

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• Most hazardous performance bottleneck misconceptions

  - by David Murdoch

  The guys who wrote Bespin (cloud-based canvas-based code editor [and more]) recently spoke about how they re-factored and optimize a portion of the Bespin code because of a misconception that JavaScript was slow. It turned out that when all was said and done, their optimization produced no significant improvements. I'm sure many of us go out of our way to write "optimized" code based on misconceptions similar to that of the Bespin team. What are some common performance bottleneck misconceptions developers commonly subscribe to?

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• Basic join query understanding

  - by OM The Eternity

  I know this very silly, but can anybody help me in understanding what does this join query is doing in elabortive description? SELECT j1.* FROM jos_audittrail j1 LEFT OUTER JOIN jos_audittrail j2 ON (j1.trackid = j2.trackid AND j1.field = j2.field AND j1.changedone < j2.changedone) WHERE j1.operation = 'UPDATE' AND j1.trackid=$t_ids[$n] AND j2.id IS NULL I know its very silly, but i need to go ahead with my further need... Pls do help me...

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• How can I read the HTML contents of the file which contains a button

  - by Amarsh

  Folks, I have a HTML file which contains a button called "Email this content to me". Upon pressing this button, I want the complete HTML content of the file to be emailed to me. Can someone tell me if there is a javascript function to do that. A short example would go a long way :) Thanks in advance

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• Channels in Socket.io

  - by mat3001

  Hi, I am trying to broadcast a message through the Node.js service socket.io (http://socket.io/) to certain subset of all subscribers. To be more exact, I would like to use channels that users can subscribe to, in order to efficiently push messages to a couple hundred people at the same time. I'm not really sure if addEvent('channel_name',x) is the way to go. I have not found anything in the docs. Any ideas? Thanks Mat

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• FTP as folder/webdisk

  - by Neb

  Is there any way for filezilla(or any other program) to make a folder that is a live ftp folder and any changes I make automatically go to the website.

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• How can I store Google Maps search results in an array?

  - by Thomas

  Hi All, I'm working on an app where I need to query Google for businesses near a current location. How do I go about storing them in an array? I don't want to exit the app and open Google Maps, I want to be able to display the addresses in a list format (Table View, I suppose). Any help would be greatly appreciated. Thanks! Thomas

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• Using python decorator functions from a different module

  - by user328069

  I want to use a function from another module as a decorator, but I need it to manipulate the current module's global namespace. For example, I want to be able to go from this: class SomeClass: pass root = SomeClass to this: from othermodule import decorator @decorator class Someclass: pass Any ideas?

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• How do etherpad & Google Docs do ChangeSets

  - by nobosh

  I'm curious to learn how Etherpad and Google Docs automatically save data. When you're writing a text document the products send only the changes to the server. Any idea how this technology works and where I can go to learn more about the end-2-end? Thanks

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• IE Automation - How to Trap 'NewProcess' event

  - by dpb

  In Environment - Standard User, Win7x64, IE8 on opening Unprotected URL, IE 8 will first start a tab with low integrity and the swap out this tab with another tab of medium integrity. This is done behind the scene and the original IWebBrowser2 pointer is lost. I want to catch the 'NewProcess' Event which will get generated during this swap out, please help me how to go about this. Sample code can help me, me using C++ Ref - http://blogs.msdn.com/b/ieinternals/archive/2011/08/03/internet-explorer-automation-protected-mode-lcie-default-integrity-level-medium.aspx Thank You

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• How can you remove a field from a word document?

  - by Kevin van Zanten

  Dear reader, I'm working on a project where the user can insert data into a document using fields, document properties and variables. The user also needs to be able to remove the data from the document. So far, I've managed to remove the document property and variable, but I'm not sure how I would go about removing the field (that's already inserted into the document). Please advise. Yours sincerely, Kevin

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• How do I get fine-grained undo in Vim

  - by MDCore

  I find Vim's undo to be a bit too coarse. E.g. if I type something like this: a // to go into edit mode to be or not to ve <esc> // to exit insert mode Oops! I made a typo. I want to start undoing so I press u, but then it clears the whole line. Is there a way to undo word-by-word or character-by-character?

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• Usage of Maven (and open source in general) in high governance and risk-averse large organizations (

  - by bart

  Does anyone have any good stories of these kinds of organizations being open to using open source (such as tools like Maven etc). Many staff I've encountered have little or no exposure to open source/systems and open source is treated with great suspicion. Some reasons given for this are lack of support and robustness, which is ironic given the number of end-of-life unsupported vendor products that are in production. Bonus points for any success stories where you've seen open source go into orgs like this and have a real benefit!

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• Moved site, make old links redirect with .htaccess? From sub.mydomain.com to mydomain.com

  - by andrhamm

  I recently moved my blog from http://blog.mydomain.com to http://mydomain.com My problem now is that I have sites linking to the old addresses. What can I put in my .htaccess file to make, for instance, http://blog.mydomain.com/my-post-title-here go to http://mydomain.com/my-post-title-here Thanks in advance!

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• Moss workflow approval using minimal site definition

  - by 78lro

  Hi When using the minimal site definition for moss from codeplex (http://www.codeplex.com/features), after adding the features required for workflow, workflow approval becomes available for the pages library. When I submit a page for approval, the buttons for approve and reject do not appear on the page editing toolbar. I can go and view the workflow approval and approve/reject it but the normal buttons on the page editing toolbar do not appear. Any ideas greatly appreciated.

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• Android: Goto HTTP Url on Button Click

  - by George

  Hi all, I want to go to a web page on the click of a button in my android app. So say, I have a button called "Google", when the user clicks on that button I want google.com to open up on the screen. How is this achieved? Also, is there a way I can gain control back to my app once the user is finished with google? Thanks George

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