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• improve my code for collapsing a list of data.frames

  - by romunov

  Dear StackOverFlowers (flowers in short), I have a list of data.frames (walk.sample) that I would like to collapse into a single (giant) data.frame. While collapsing, I would like to mark (adding another column) which rows have came from which element of the list. This is what I've got so far. This is the data.frame that needs to be…

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• VBA-Sorting the data in a listbox, sort works but data in listbox not changed

  - by Mike Clemens

  A listbox is passed, the data placed in an array, the array is sort and then the data is placed back in the listbox. The part that does work is putting the data back in the listbox. Its like the listbox is being passed by value instead of by ref. Here's the sub that does the sort and the line of code that calls the sort sub. …

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• Problem with core data migration mapping model

  - by dpratt

  I have an iphone app that uses Core Data to do storage. I have successfully deployed it, and now I'm working on the second version. I've run into a problem with the data model that will require a few very simple data transformations at the time that the persistent store gets upgraded, so I can't just use the default inferred…

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• Visibility of Class field-data of Mouse Clicked ImageButton located within WrapPanel

  - by Bill

  I am attempting to obtain the class-data behind an ImageButton that is mouse-clicked; which ImageButton is located within a WrapPanel filled with ImageButtons. The problem I am having is obtaining the visibility of the field data within the class behind the image-button. Although I can see the class, I can neither see nor…

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• Generic Data Structure Description Language

  - by Jon Purdy

  I am wondering whether there exists any declarative language for arbitrarily describing the format and semantics of a data structure, that can be compiled to a specific implementation of that structure in any of a set of target languages. That is, something like a generic data definition language but geared toward…

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• How does cobol store and retrieve data?

  - by controlfreak123

  I'm starting to learn about COBOL. I have some experience writing programs that deal with sql databases and I guess I'm confused how cobol stores and retrieves data that is stored in a mainframe for example. I know that it's not like relational databases but every example program I've seen takes data straight from…

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• Core Data vs. SQLitePersistentObjects

  - by Macatomy

  I'm creating an iPhone app and I'm trying to choose between 2 solutions for a persistent store. Core Data, or SQLitePersistentObjects. Basically, all my app needs is a way to store an array of model objects and then load them again to display in a UITableView. Its nothing too complicated. Core Data seems to have…

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• How to return plain XML from ADO.NET data service

  - by KHALIL

  Hi, I was wondering how to return plain XML from ADO.net data services I have exposed an ADO.net data service to different DEPARTMENTS in our company who are not so technical. The data returned is ATOM FEED which is kind a hard to read / interpret with its format, too much information is returned people from…

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• Build ATOM Feed Reader for ADO.net DATA Services feed

  - by khalil

  Hi, I have built an ADO.net data services to expose data in a SQL server database as XML. What I want to be able to do is create a feed reader for this ATOM feed in .net or may be a user control which subscribes to this URI based ATOM Feed from ADO.net data service & publishes the latest information on our…

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• Linq to SQL table inheritance in ASP.net Dynamic Data

  - by themapguyde

  I have a Linq to SQL data model that uses single table inheritance. I created a new ASP.net Dynamic Data web site with all table scaffolding enabled, but I can't see any of the derived classes in my data model being scaffolded. Is this by design?

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• Parse and transform XML with missing elements into table structure

  - by dnlbrky

  I'm trying to parse an XML file. A simplified version of it looks like this: x <-…

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• Can Core Data be used on Linux?

  - by glenc

  This might be a stupid question, but I was wondering whether or not you can use the…

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• Data Collection (Offline - no internet) and then syncing it to generate reports from server

  - by Nishant

  So, I have a new project I am planning on taking, and needed to know what skills…

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• Selecting element by data attribute

  - by zizo

  Is there an easy and straight-forward method to select elements based on their…

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• How do I get Core Data to create an SQLite DB from my Managed Object Model

  - by munchine

  I've been strungling with Core Data. I've looked at the examples and…

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• Shipping Java code with data baked into the .jar

  - by Andrew

  I need to ship some Java code that has an associated set of data.…

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• R: convert data.frame columns from factors to characters

  - by Mike Dewar

  Hi, I have a data frame. Let's call him bob: > head(bob) …

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• Neo4j Reading data / performing shortest path calculations on stored data

  - by paddydub

  I'm using the Batch_Insert example to insert Data into the…

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• Get control instance in asp.net dynamic data

  - by Ashwani K

  Hello All: I am creating a web application using Asp.net…

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• Oracle Data Pump import to a sql file error :ORA-31655 no data or metadata objects

  - by Francisco Quiñones

  Hello, I'm using Data Pump to export/import data, one…

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• Using MySQL as data source in Microsoft SQL Server Analysis Services

  - by coldilocks

  Hi, I have installed the latest .net connector…

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• Generating video or images of geometrical objects from data

  - by Jonathan Barbero

  Hello, I'm working in a course's project to…

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• Flex 3: should I provide prepared data to my component or make it to process data before display?

  - by grapkulec

  I'm starting to learn a little Flex just for…

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• Mock Object Data

  - by Nissan Fan

  I'd like to mock up object data, not the…

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• Essential skills of a Data Scientist

  - by harshsinghal

  I would like to know more about the…

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