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• iPhone: Speeding up a search that's polling 17,000 Core Data objects

  - by randombits

  I have a class that conforms to UISearchDisplayDelegate and contains a UISearchBar. This view is responsible for allowing the user to poll a store of about 17,000 objects that are currently managed by Core Data. Everytime the user types in a character, I created an instance of a SearchOperation (subclasses NSOperation) that queries Core Data to…

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• Tab control in Silverlight 3.0 and Dirty data

  - by Vinayak Bhosale

  We are using tab control in our project. While using this control i came across a few issues like - When the tab control loads, it invokes constructor of all the xaml pages that form the individual tabs. Can this be avoided? Is there any event with tab control that we can use to identify dirty data on the previous tab that i may have…

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• Best way to store date/time into core data

  - by Dave

  Hi, For each course I am storing the day of the week the class the user has...and the start and end time and room no. What would be the best approach in terms of data type, Like for storing time?? so that when I pull it out I can display it e.g 1:00 PM. Thanks!

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• A couple questions using fwrite/fread with data structures

  - by Nazgulled

  Hi, I'm using fwrite() and fread() for the first time to write some data structures to disk and I have a couple of questions about best practices and proper ways of doing things. What I'm writing to disk (so I can later read it back) is all user profiles inserted in a Graph structure. Each graph vertex is of the following type: …

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• Core-Data + AFNetworking + UI Updating (Responsiveness)

  - by Mustafa

  Here's the scenario: I'm writing a DownloadManager, that allows the user to download, pause, cancel, download all, and pause all. The DownloadManager is a singleton, and uses AFNetworking to download files. It has it's own private managed object context, so that user can freely use other parts of the application (by adding,…

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• Retrieve Core Data Entities in Order of Insertion

  - by Andy Shea

  Is there an internal ID variable or timestamp I can use in a NSSortDescriptor to retrieve Core Data entities in the order they were inserted? I would rather not have to create such properties if there is a cleaner way, though will obviously do so if there are no other alternatives.

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• Core Data and NSDate

  - by Pierre

  Hi ! I read this post but I don't really understand the code... I have a core data database with an Entity and some attributes. One of them is named "myDate" and has for type NSDate. Now I want to to display each date but eliminate dates with same day-month-year and display them ascendantly . Have you got an idea? Thanks…

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• Apples Core Data iPhone Recipes Example Question

  - by Daniel Granger

  Why does Apples Core Data iPhone Recipes Example use a separate entity for called Image linked to the Recipe Entity via a one to one Relationship to store the recipes image. Why not just have an "image" attribute in the Recipe Entity? Many Thanks

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• Data mining textbook

  - by lmsasu

  If you followed a DM course, which textbook was used? I know about Data Mining: Practical Machine Learning Tools and Techniques (Second Edition) and this poll. What did you effectively use?

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• I need help with creating a data structure in PHP

  - by alex

  What I need to do is have a data structure that shows jobs organised into 14 day periods, but only when an id is the same. I've implemented all sorts of stuff, but they have failed miserably. Ideally, maybe a SQL expert could handle all of this in the query. Here is some of my code. You can assume all library stuff works…

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• xml to Python data structure using lxml

  - by Samuel Taylor

  How can I convert xml to Python data structure using lxml? I have searched high and low but can't find anything.

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• How to display data uri scheme into a C# WebBrowser Controler

  - by Emanuel

  How can I show an image base64 encoded using WebBrowser control in C#? I used the following code: <img src="data:image/gif;base64,/9j/4AAQSkZJRgABAgAAZABkAA7AAR R894ADkFkb2JlAGTAAAAAAfbAIQABAMDAwMDBAMDBAYEAwQGBwUEBAUHCAYGBw ... uhWkvoJfQO2z/rf4VpL6CX0Dts/63+FaS+gl9A7bP+tthWkvoJfQODCde4qfcg…

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• Normalization of database for timesheet tool and ensure data integrity

  - by fireeyedboy

  I'm creating a timesheet application. I have the following entities (amongst others): Company Employee = an employee associated with a company Client = a client associated with a company So far I have the following (abbreviated) database setup: Company - id - name Employee - id -…

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• Database Security: The First Step in Pre-Emptive Data Leak Prevention

  - by roxana.bradescu

  With WikiLeaks raising awareness around information leaks and the harm they can cause, many organization are taking stock of their own information leak protection (ILP) strategies in 2011. A report by IDC on data leak prevention stated: Increasing database security is one of the most…

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• Sending Large Data > 1 MB through Windows Sockets viz using the Send function

  - by user66854

  Hi all, I am looking to send a large message 1 MB through the windows sockets send api . Is there a efficient way to do this , i do not want to loop and then send the data in chunks . I have read somewhere that you can increase the socket buffer size and that could help . Could…

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• dynamic data customizable

  - by mazhar

  Can dynamic data website is 100% customizable ? fields,css,gui,masterpages and is fully supported in mvc?

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• pthread and child process data sharing in C

  - by mustafabattal

  hi everyone, my question is somewhat conceptual, how is parent process' data shared with child process created by a "fork()" call or with a thread created by "pthread_create()" for example, are global variables directly passed into child process and if so, does modification on…

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• iPhone: Core Data save Class object

  - by Nic Hubbard

  I have an entity in core data called Location. Inside this I have a few fields, such as date. But, I would also like to save a class object in it that I created called Annotation. What type of attribute would I use for this, since it is a custom class object that I created? …

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• data mining open source software in java

  - by pat

  Hi i just like to know is there any open source data mining software written in java that is approximately less than 3k lines of codes? If yes, please give download link i need to do software testing thank you.

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• MySQL get data from another table with duplicate ID/data

  - by steamboy

  How to query data from table_1 which ID is not available on table_2 that has duplicate ID's. See example below. I want to get ID 5 and 6 of Table 1 from Table 2 **Table 1** ID Name 1 a 2 b 3 c 4 d 5 e 6 f **Table 2** Table 1 ID 1 1 2 2 2 3 4 Thanks!

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• help core data tableview not reloading

  - by iphonedevcybin

  i am using core data...my table view does not reload say if i add a new row to the table. until i terminate the app and re open it...im calling reloadData in my root controller viewwillappear method... any help would be appreciated thanks in advance

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• How to access core data objects from Javascript?

  - by Eli

  How can I gain access to Core Data objects from Javascript/WebKit on Mac OS X? I've made custom subclasses of NSManagedObject for each of my tables, with accessors defined using @property/@dynamic for each attribute, but neither isSelectorExcludedFromWebScript: or…

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• ADO.NET Data Services for MySQL

  - by Shalan

  Hey! I've searched high and low for this, and no luck. Is there a way that CRUD methods for a MySQL install (Linux box) be exposed via ADO.NET WCF Data Services? I would really love to leverage this in my WPF app :) Thank u!

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• ASP.NET Dynamic Data Browser Compatibility

  - by Petras

  Could any experienced users of Dynamic Data comment on whether there are issues with it in: Internet Explorer 6 Safari Chrome Opera We are looking to use it on a public facing website and good old IE6 has many important users in government departments and large…

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• Need some information regarding data warehousing field

  - by Mirage

  I am a web developer and i would like to shift my field to data warehousing. Can anyone please give me some idea , which langauges or stuff i need to learn like cogonos , datastage, etl or IF anyone currently working can guide me how can i start , i will thankful…

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