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• Core Data: Mass updates possible?

  - by wgpubs

  Is it possible to do mass updates on a given entity in Core Data? Given an Person entity for example, can I do something like this: Person.update(@"set displayOrder = displayOrder + 1 where displayOrder > 5") Or is my only option to fetch all the entities needed and then loop through and update them individually??? Thanks

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• Dynamic Data - Make Friendly Column Names?

  - by davemackey

  I've created a Dynamic Data project with an Entity Framework model. It works nicely. But, right now it shows all my database tables with the db column names - which aren't always the most friendly (e.g. address_line_1). How can I got about giving these more friendly column titles that will display to the end user?

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• Core Data - Best way to save a "number of items"

  - by Daniel Granger

  The user will have a static list of items to choose from. Using a Picker View they will choose one of the items and then select how many of them they want. Whats the best way to save this in core data? A Struct? struct order { NSInteger item; NSInteger numberOf; }; Or some sort of relationship? Many Thanks

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• Data Access Layer in Asp.Net

  - by Dark Rider

  Am Afraid If am Overdoing things here. We recently started a .Net project containig different Class Libraries for DAl,Services and DTO. Question is about our DAL layer we wanted a clean and easily maintained Data access layer, We wanted go with Entity Framework 4.1. So still not clear about what to opt for Plain ADO.Net using DAO and DAOImpl…

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• MySQL: LOAD DATA reclaim disk space after delete

  - by Michael

  I have a DB schema composed of MYISAM tables, i am interested to delete old records from time to time from some of the tables. I know that delete does not reclaim the memory space, but as i found in a description of DELETE command, inserts may reuse the space deleted In MyISAM tables, deleted rows are maintained in a linked list and…

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• Data Structure Used For SMS Messages In Android

  - by Greenhouse Gases

  Does anybody know what data structures are used to the store messages in an SMS client app, and whether there is an existing API for this. I was perhaps looking at implementing a link list for the purpose but if the work has already been done in an API then perhaps it would be unnecessary to commit time to the task that could be…

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• Getting data from ListView control

  - by James

  I need to retrieve my data from a ListView control set up in Details mode with 5 columns. I tried using this code: MessageBox.Show(ManageList.SelectedItems(0).Text) And it works, but only for the first selected item (item 0). If I try this: MessageBox.Show(ManageList.SelectedItems(2).Text) I get this error: …

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• visual description for data structure

  - by radi

  i have a data structure for my compiler (such as ast) , and i need a method to print it (like ms visio) and verify its contents (i need to verify the contents of the ast nodes) note : i dont want to print it to the console , i am using c++ & qt thanks

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• Where do I find good example data? [closed]

  - by Silvanus

  Where do people find sample data that they need for development but can't get directly from their employer for whatever reason? I am looking to rewrite my employers' delivery track and trace software as an exercise.

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• Abstracting functionality

  - by Ralf Westphal

  Originally posted on: http://geekswithblogs.net/theArchitectsNapkin/archive/2014/08/22/abstracting-functionality.aspxWhat is more important than data? Functionality. Yes, I strongly believe we should switch to a functionality over data mindset in programming. Or actually switch back to it. Focus on functionality…

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• drop down and post data to data base

  - by DAFFODIL

  This is a form which retrieves data from db and displays them in table. At the beginning of each row there will be a check box. If there are 10 rows fetched, I ii check 5 rows and insert them in to diff db but here when, I click drop down box data is getting in to db automatically,bcoz I use onchange event. Any…

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• OBIEE 11.1.1 - Disable Wrap Data Types in WebLogic Server 10.3.x

  - by Ahmed Awan

  By default, JDBC data type’s objects are wrapped with a WebLogic wrapper. This allows for features like debugging output and track connection usage to be done by the server. The wrapping can be turned off by setting this value to false. This improves performance, in some cases significantly, and allows for the…

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• Building Simple Workflows in Oozie

  - by dan.mcclary

  Introduction More often than not, data doesn't come packaged exactly as we'd like it for analysis. Transformation, match-merge operations, and a host of data munging tasks are usually needed before we can extract insights from our Big Data sources. Few people find data munging exciting, but it has to be…

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• SQLAuthority News – Scaling Up Your Data Warehouse with SQL Server 2008 R2

  - by pinaldave

  Data Warehouses are suppose to be containing huge amount of the data from the beginning. However, there are cases when too big is not enough. Every Data Warehouse Admin will agree that they have faced situation where they will need to scale up their data warehouse. Microsoft has released white paper discussing…

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• First Look - Oracle Data Mining

  - by kimberly.billings

  In his blog, JT on EDM, James Taylor shares his analysis of Oracle Data Mining, including its new GUI and Exadata integration. While Oracle Data Mining has been available for a while, it is now easier to access and try via the Amazon Cloud. Using the Oracle 11gR2 Data Mining Amazon Machine Image (AMI), you…

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• MMO Data Persistence Question

  - by JasonG

  I wanted to ask a question regarding data persistence strategies for an MMO. I have some experience in the games industry with social synchronous games. At Zynga, we stored static proto data in XML on both the client and the server and stored instance/runtime data in membase. For clarity sake, proto data…

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• Podcast Show Notes: The Big Deal About Big Data

  - by Bob Rhubart

  This week the OTN ArchBeat kicks off a three-part series that looks at Big Data: what it is, its affect on enterprise IT, and what architects need to do to stay ahead of the big data curve. My guests for this conversation are Jean-Pierre Dijks and Andrew Bond . Jean-Pierre, based at Oracle HQ…

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• Sort algorithms that work on large amount of data

  - by Giorgio

  I am looking for sorting algorithms that can work on a large amount of data, i.e. that can work even when the whole data set cannot be held in main memory at once. The only candidate that I have found up to now is merge sort: you can implement the algorithm in such a way that it scans your data set at…

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• Announcing Oracle Receivables Generic Data Fix (GDF) for Refunds

  - by user793553

  Here's the first of what will be a series of Generic Data Fixes (GDF) to be released by Receivables Development. Generic Data Fix (GDF) are created by development to fix data issues caused by bugs/issues in the application code.  Other Generic Data Fix benefits/features include: …

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• Fetching data (responsebody) with a HttpClient in an AsyncTask and returning the data outside the As

  - by Peter Warbo

  Basically I'm wondering how I'm able to do what I've written in the topic. I've looked through many tutorials on AsyncTask but I can't get it to work. I have a little form (EditText) that will take what the user inputs there and make it to a url query for the application to lookup and then display the…

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• Defining recursive algebraic data types in XML XSD

  - by Ben Challenor

  Imagine I have a recursive algebraic data type like this (Haskell syntax): data Expr = Zero | One | Add Expr Expr | Mul Expr Expr I'd like to represent this in XML, and I'd like an XSD schema for it. I have figured out how to achieve this syntax: <Expr> …

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• using one data template in another data template in WPF

  - by Sowmya

  Hi, I have two data templates, one of which is the subset of another like below: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:igEditors="http://infragistics.com/Editors"…

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• Where should I create my DbCommand instances?

  - by Domenic

  I seemingly have two choices: Make my class implement IDisposable. Create my DbCommand instances as private readonly fields, and in the constructor, add the parameters that they use. Whenever I want to write to the database, bind to these parameters (reusing the same…

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• Broken Multithreading With Core Data

  - by spamguy

  This is a better-focused version of an earlier question that touches upon an entirely different subject from before. I am working on a Cocoa Core Data application with multiple threads. There is a Song and Artist; every Song has an Artist relation. There is a delegate…

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• TableView doesnt show any Data(CoreData) - App crashe

  - by brush51

  Hey @all, i cant read my data from my database. I have an app with a tabbarcontroller. in the first tab the iphone camera takes a picture from a barcode and send the result to another view (CameraReturnDetailViewController). In CameraReturnDetailViewController is the…

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