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• Rails model without database

  - by FlipFlop

  I want to create a Rails (2.1 and 2.2) model with ActiveRecord validations, but without a database table. What is the most widely used approach? I've found some plugins that claim to offer this functionality, but many of them don't appear to be widely used or maintained. What does the community recommend I do? Right now I am leaning toward coming up with my own solution based on this blog post.

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• XML array from SQLite database

  - by Aarron

  I am using SQLite to store school classes. I want to fill in a Spinner with the classes that get stored in the database. How would I grab all the classes in the DB and load them into a spinner?

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• LDAP user data caching on local database

  - by Eduardo

  I am integrating LDAP authentication in my web enterprise application. I would like to show listing of people name and email. Instead of querying the LDAP server for the name and email each time a listing containing several users I thought about caching the data locally in the database. Do you guys know about caching LDAP data best practices? Should I cache LDAP user data? When should I insert and refresh the data?

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• Transfer table from one database to another?

  - by Mahmoud

  Hey all i am working at my project where it collects information from two database, one is supplied by the program lets name it DB Y and the other supplied by the user lets name it DB X , now i have an query that depends on companies which is on DB x so i want to transfer this table from DB x to DB y at run time and also checks if there is new updates in DB x and transfer them but i am confused

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• Database web app

  - by Watergaite

  How would i go about creating an application for my web page that can extract data from my database (i currently get the data in a CSV file). id also like the user to be able to filter the data by certain parameters. can u help

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• Rails: How to to download a file from a http and save it into database

  - by Chris

  Hi, i would like to create a Rails controller that download a serie of jpg files from the web and directly write them into database as binary (I am not trying to do an upload form) Any clue on the way to do that ? Thank you Edit : Here is some code I already wrote using attachment-fu gem : http = Net::HTTP.new('awebsite', 443) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE http.start() { |http| req = Net::HTTP::Get.new("image.jpg") req.basic_auth login, password response = http.request(req) attachment = Attachment.new(:uploaded_data => response.body) attachement.save } And I get an "undefined method `content_type' for #" error

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• Integrating beast in existing rails app (database conflict)

  - by Rick_2047

  Hi, I want to integrate the beast forums in an existing rails app, but there is a database conflict. I already have a "post" model for the blog and beast requires it. How do I eliminate the problem? Regards

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• how to upload a file from database without user interface in php

  - by hardworker

  Help!!! i want to upload a file from database(or from local m/c) to server in php without user interface. Is it possible. Please Suggest.

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• differences between socket and port in database context

  - by Yang

  hi guys, when i am using 'localhost' as the host for mysql database, sequel pro alert me that i will be using socket, if i am using '127.0.0.1', i am actually using the ip address and port 3306 to locate the server. is there any difference?

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• how to read the datas from text file stored in the database

  - by Ranjana

  i have a txt file stored in my sql DB, in that .txt file i have certain numbers like 99435 87889 33455 33555 34556 how to get the count of these numbers from the txtfile stored in the database and also to read the file and fetch the number one bye one in a string. using asp.net (C#)

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• access music database from cocoa

  - by RW

  How do I access the iTunes database from my application. I seems apple can access iphone and itunes from their apps. How do I do the same?

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• How to save datagridview columns with datas in sql server database

  - by Shiny

  Scenario is.... I have to select a row in datagridview and save those datas to database.It can any number of columns present. how to achieve this..

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• Update table of two different database

  - by chetan

  This is the query to update table in one database that is of other Update test.temp a, test2.temp b Set a.name=b.name Where a.no=b.no; Now I don't want to write every field i.e a.name=b.name Is there any solution?

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• Accessing a database using visual c++ and OLEDB

  - by Shadi

  Does anybody have an example of working with database using Visual C++ and OLEDB? What should I include on top of my code? I have searched the internet and most examples are using C# or VB. Examples written by C++ are usually not complete. I really appreciate your help. Best, Shadi.

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• java beginner- in which folder should I place a "database.properties" file

  - by Arvind

  I read some tutorials on how to read data from a database.properties file- which basically stored key-value pairs. What i want to know is, in which folder should I place this file? Is it in the root (ie "src") or within a package... And how do I access this file, if it is placed in "src"- my code will be within a package (and the package's directory will be under src)- so how do I access the properties file, which is in "src", from a class within a package?

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• Return more then One field from database SQLAlchemy

  - by David Neudorfer

  This line: used_emails = [row.email for row in db.execute(select([halo4.c.email], halo4.c.email!=''))] Returns: ['[email protected]', '[email protected]', '[email protected]', '[email protected]', '[email protected]'] I use this to find a match: if recipient in used_emails: If it finds a match I need to pull another field (halo4.c.code) from the database in the same row. Any suggestions on how to do this?

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• 2 Rails Apps, 1 Database (using Heroku)

  - by Paul A.

  I've made 2 apps, App A and App B. App A's sole purpose is to allow users to sign up and App B's purpose is to take select users from App A email them. Since App A & B were created independently & are hosted in 2 separate Heroku instances, how can App B access the users database in App A? Is there a way to push certain relevant rows from App A to App B?

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• php code for inserting text file into the database

  - by rabeea

  hey i have form which has a file field. After selecting a file,i want to insert the selected file into the database column. how do i do it?

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• Resource database in MS SQL Server

  - by Dhivagar

  I need to know what the Resource Database in SQL Server is, and why can't we see this physical file in the SQL Server installed directory?

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• Resource database in SQL Server

  - by Dhivagar

  I need to know what the Resource Database in SQL Server is, and why can't we see this physical file in the SQL Server installed directory?

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• News Portals and database heaviness

  - by jasmine

  What is database design solutions for news portals with high trrafic? Could file system as a good solution? mysql > File system Thanks in advance

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• CodeIgniter: Storing an image in the database?

  - by thedp

  Hello, I would like to store images in my mySQL database using the CodeIgniter PHP framework. How do I write and read the image? Thank you.

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• Using an excel as database : How to supply network security

  - by Cmptrb

  Hi, I have published a small website and I'm using an excel file as a database. The problem is that the excel file could be easily downloaded if its path is known ! (e.g. www.mysite.com/myexcel.xls - opens a "save as" window) What can I do, to protect my data. Kind regards.

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• Rails: Serializing objects in a database?

  - by keruilin

  I'm looking for some general guidance on serializing objects in a database. What are serialized objects? What are some best-practice scenarios for serializing objects in a DB? What attributes do you use when creating the column in the DB so you can use a serialized object? How to save a serialized object? And how to access the serialized object and its attributes? (Using hashes?)

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• is it better to retrive data using web service or directly from database in .net

  - by girish

  i was wondoring which thing is better from below two... first one- retrive data by creating webservice second one- create database connection from code behind call storeprocedure and retive data can anyone one explain how it differs.

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