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• Investment advice data dump analysis

  - by portoalet

  For my year-end pet project, I'd like to analyze investment advices and their correlation to the stock market performance. The problem is, where do I get the dump of investment advice data (free) ? something like stackoverflow.com data dump will be nice. Or maybe it's easier to do distributed crawling and crawl the public finance webpages for investment advices? Investment advice is buy/sell advice for stocks/forex, issued by institution/investment advisor.

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• Saving private data

  - by rajatgoel

  Hi, Can anybody detail some approach on how to save private data in social websites like facebook, etc. They cant save all the updates and friends list in clear text format because of privacy issues. So how do they actually save it? Hashing all the data with user password so that only a valid session view it is one possibility. But I think there are some problem with this approach and there must be some better solution.

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• Doxygen autolink not working to global enum types

  - by MeThinks

  I am trying to use Doxygen Automatic link generation to document some enum types. However, it is not generating links for the global enum types. It does generates links for the global struct types. Is there something I am missing? I am using the example provided on the link above. As required, I have documented the file in which the types are defined. update1: I am using Doxygen version 1.6.3 update2: global structs are ok

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• Defining your own Ord for a data type

  - by mvid

  I am attempting to make some data structures to solve a graph puzzle. I am trying to define an edge's comparison criteria, but I am not sure how. So far: data Edge = Edge (Set String) Bool How do I tell let the compiler know that I want edges to be declared equal if they have identical sets of strings, and not have equality have anything to do with the boolean value?

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• What data type to use for variable lenght data for performance

  - by jiewmeng

  what data type shld i use for data that can be very short, eg. html link (think twitter), or very long eg. html blog post (think wordpress) i am thinking if i use varchar(4000), it maybe too short for a html formated blog entry? but if i use text, it will take up more space and is less efficient?

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• iOS Core Data migration: moving something from an entity into a file

  - by Tim Sullivan

  I have a scenario where I'm moving the contents of a blob stored in a core data entity into a file. I need a way to export that data during a migration, where I know the entity that's being converted and save the blob to a file, writing the location of that file into the converted entity's appropriate attribute. I can't seem to find a way to do this. The docs regarding the Three Stage Migration seem to indicate what can be done, but I'm not sure where to define things, or what exactly to define.

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• Data files from development machine to iOS device

  - by StoneBreaker

  My app has created a bunch of data files as development has progressed through the simulator. Their location is obtained by this function: NSString *pathInDocumentDirectory(NSString *fileName) { NSArray *documentDirectories = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentDirectory = [documentDirectories objectAtIndex: 0]; return [documentDirectory stringByAppendingPathComponent: fileName]; } The files are now required on the device as testing of the app is moving from the simulator to actual devices. How do I transfer the data files from my current working environment to the devices?

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• How to backup data stored with Core Data - iPhone app?

  - by Alex

  I'm using sqlite for the persistent store, so could I just upload the .sqlite file to, for example, Amazon S3 as a way of providing users with the ability to backup their app data? Then for restoring just download it back and replace the existing .sqlite file in the app's folder. Does anybody see any issues with that? Has anyone done it? Any other suggestions on how to implement data backup feature?

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• 1TB data on disk with around 1KB per data record. How to find duplicates using 512MB RAM and infinit

  - by user288609

  1TB data on disk with around 1KB per data record. How to find duplicates using 512MB RAM and infinite disk space?

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• creating instance of labelled fields data type [closed]

  - by sisif

  How do I create an instance of a "labelled fields data type"? data InputData = InputData { events :: [Event], newResources :: [Resource] } myInputData :: InputData myInputData = ???

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• C - How to implement Set data structure?

  - by psihodelia

  Is there any tricky way to implement a set data structure (a collection of unique values) in C? All elements in a set will be of the same type and there is a huge RAM memory. As I know, for integers it can be done really fast'N'easy using value-indexed arrays. But I'd like to have a very general Set data type. And it would be nice if a set could include itself.

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• Import Data Wizard Does Not Like Data Type I Choose For A Column

  - by Haoest

  Does anybody else have this same problem, when you import data from Excel file to MSSQL Server 2005, if some column contains mostly numeric data, but even if you set the column type to varchar, the wizard fails to import those fields that fail to parse as numbers?

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• C Question: How to store data inside the executable file

  - by michael

  Hello all, complete newbie here, I need to find a way to store 250 KB of plain text numbers inside my program's executable file. Usually, I would put the data in a separate file and let the program read it while it is running, but that's not an option here. Instead, the program and the data need to be in one executable file. I have absolutely no idea how to do it (except writing 250.000 #defines :-) and I'd appreciate any suggestions. Thank you very much!

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• compressing non-binary data in java http client

  - by wo_shi_ni_ba_ba

  I plan to use java.util.zip to compress http post data when sending it from a java client to the server(java servlet in this case). is this the best approach for reducing data load? should I use gzip as the compression alg?

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• Isolate large amounts of data w/ jQuery

  - by Bry4n

  I work for a transit agency and I have large amounts of data (mostly times), and I need a way to filter the data using two textboxes (To and From). I found jQuery quick search, but it seems to only work with one textbox. If anyone has any ideas via jQuery or some other client side library, that would be fantastic.

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• Merge two data frames together that have the same variable names and data types

  - by Brandon

  I have tried the merge function to merge two csv files that I imported. They both have the same variable names and data types but each time I run merge all that I get is an object that contains the names of the two data frames. I have tried the following: # ex1 obj <- merge(obj1, obj2, by=obj) # ex2 obj <- merge(obj1, obj2, all) and several other iterations of the above. Is merge the correct function? If so, what am I doing wrong?

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• Data Storage question

  - by Nano8Blazex

  Another newbie question: What's the best way to store data in a Cocoa application written in Obj-C? For example if I want to create a sort of "quizzer" that quizzes the user with pre-written (and user-written) questions? How would I store these questions and answers? Core Data? Thanks!

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• How to manually add Core Data to project?

  - by marko

  E.g. what "Use Core Data for storage" checkbox option means when creating new Window or Navigation based project? How to add Core Data for Tab Bar Application? How to initialize managedObjectModel, managedObjectContext, persistentStoreCoordinator?

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• Delphi, read data from 3rd party data field

  - by donaldadams1951

  I am writing an application that needs to read a data field on another Delphi program and I do not have access to the source code of the 3rd party program. The data field contains the "foreign key" to a record I need to retrieve or create in my application. I would appreciate any links to knowledge or components that will help me with my program.

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• creating instance of labeled fields data type

  - by sisif

  how do i instance a "labeled fields data type"? data InputData = InputData { events :: [Event], newResources :: [Resource] } = where myInputData = ???

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• pass string or data of local file between viewcontrollers

  - by Jonathan

  In my last question i asked how to best send a string from one view controller to another, both which were on a navigation stack: http://stackoverflow.com/questions/2898860/pass-string-from-tableviewcontroller-to-viewcontroller-in-navigation-stack However I just realised I can either pass the path to the file in the app's document's folder as the first (the table view) has already accessed the data in the file should I pass viewcontroller the data to the pushed VC?

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• Best ressources for learning Core Data?

  - by mystify

  I want to use Core Data on the iPhone. Do you know great tutorials, videos and ressources for learning Core Data in depth?

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• There is 1TB data on disk with around 1KB per data record. How to find duplicates using 512MB RAM an

  - by user288609

  There is 1TB data on a disk with around 1KB per data record. How to find duplicates using 512MB RAM and infinite disk space?

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• How to update sharepoint list data with TeamCenter Data

  - by hellboy406

  Hi, I have a sharepoint List.We will get the data from TEAMCENTER from there we will enter manually into the List. Inorder to automatically update the sharepoint List with Teamcenter data is there any way????

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• Possible ways of representing data in memory (.net)

  - by This is it

  Hi What are the possible ways of representing data in memory in .Net (or in general)? It would be great if data could be sorted and looked up by key (or multiple keys). We are thinking to use collections, arrays, list of collections/arrays. One object would be in several collections (one sorted asc, other desc, etc.). Maybe this is not a good idea, and we would like to hear some other possible solutions. Thank you

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