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• android SQLite vs Flat Files

  - by mixm

  hi. im creating a game right now and im a bit stuck on how to implement storage of levels. i need to be able to download level files from the internet ota. im not so familiar with transferring files ota, but i have some experience with databases (mysql). what would be a better way of storing the game's level data?

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• Password hashing in Django

  - by Philip Mais

  I'm trying to integrate vBulliten and Django's user databases. I know vB uses a md5 algorithm to hash it's passwords, with a salt. I have the salt data and the password for each vB user, and would like to know how to import those accounts onto Django. I've tried the obvious, changing the Django user's password to; md5$vb's_salt$vb's_password This just throws back Django's log-in form, with a message saying "username and password does not match" Any ideas?

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• Tracking down data load performance issues in SSIS package

  - by SteveC

  Are there any ways to determine what the differences in databases are that affect a SSIS package load performance ? I've got a package which loads and does various bits of processing on ~100k records on my laptop database in about 5 minutes Try the same package and same data on the test server, which is a reasonable box in both CPU and memory, and it's still running ... about 1 hour so far :-( Checked the package with a small set of data, and it ran through Ok

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• Real world examples of tree structures

  - by Arec Barrwin

  I'm looking for some examples of tree structures that are used in commercial/free software projects, modern or old. I can see examples on wikipedia, but I am looking for more concrete examples and how they're used. For example primary keys in databases are (from what I've read) stored in BST structure or a variation of the BST (feel free to correct me on this) My question isn't limited Binary Search Trees (BSTs), it can include any variation such as red-black, AVL and so on.

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• Can schema be ignored in object names in VS 2010 Schema Compare?

  - by Daniel

  Is it possible to ignore the schema in object names when comparing databases using Visual Studio 2010 Schema Compare? For example, I'd like [dbo].[mysproc] and [mysproc] to be considered equivalent.

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• Is OOP based on any branch of mathematics?

  - by ektrules

  I know relational databases are based on set-theory, functional programming is based on lambda calculus, logic programming is based on logic (of course :)), and now that I think of it; I'm not sure if imperative and generic programming is based on any particular branch of mathematics either.

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• Does running a SQL Server 2005 database in compatibility level 80 have a negative impact on performa

  - by Templar

  Our software must be able to run on SQL Server 2000 and 2005. To simplify development, we're running our SQL Server 2005 databases in compatibility level 80. However, database performance seems slower on SQL 2005 than on SQL 2000 in some cases (we have not confirmed this using benchmarks yet). Would upgrading the compatibility level to 90 improve performance on the SQL 2005 servers?

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• Tomcat Load Balalncing - Programatic Parameter Based ??

  - by Gala101

  Here's the scenario: Many users access an application (running on tomcat), the user's data is segmented into multiple databases, say each db containing 1000 user's data. Now is it somehow possible to have 100s of tomcat servers running on 'inexpensive' PC class machines with each connecting to a single db, with user's session getting passed to appropriate tomcat and becoming 'Sticky' there. Can have some sort of 'gateway' deciding which user goes where and doing the load-balancing appropriately. Would make a great scalability solution :)

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• I cann't use Database in SQL Azure!

  - by Nahid

  Hi, I am trying to use a Database in SQL AZURE. I have installed SQL Server 2008. I can Login SQL Azure and can use master Database. But I can't use other Database. Its Show Error: "USE statement is not supported to switch between databases. Use a new connection to connect to a different Database." How can I use other database?

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• Window Application

  - by user350104

  how to create connection using class file in C# for windows application?... how to develop Data access layer... regarding 3-tire architecture using mysql databases

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• SQL Server 2008 : Standard or SQL Express

  - by dr

  Which is a better choice on a development box if you primarily develop Asp.Net applications and SSRS reports. I have never had to use the Express editions, so I don't really know the pros or cons. The cons I have listed for Standard+ editions are: toll it takes on system resources pain to attach database for projects pain to detach unused databases $$$ Pros: You have everything you need Management Studio features Easy move to production

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• Using serializable in hibernate what underlying database types do i use.

  - by joe90

  I need to use a serializable type in hibernate (to store a Subject (security)) All this works fine. I just need to know what the underlying database types are for the following databases: MSSQL - I used 'image' db2 - postgre - mysql - Thanks..

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• Copying MYSQL backup to another server

  - by Yeti

  I'm new to SSH. How to copy a .gz file from one server to another using SSH? I'm using cron to backup mysql databases and want to also automate the process of copying the .gz files a different web host. Any information on the limit of file size that can be copied would also be great. The backup file size range from 100 MB to few GB.

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• about sql server merge statement

  - by George2

  Hello everyone, I am using SQL Server 2008 Enterprise DB and using the new Merge statement (when source and target are both SQL Server 2008 DB tables), and it works well. I have another database table which is hosted in SQL Server 2005 Enterprise DB. I want to know whether Merge statement could using one table of SQL Server 2008 as source, and another tableof SQL Server 2005 as target? The two databases may not exist on the same machine. thanks in advance, George

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• Check for active connection in NHibernate

  - by Dofs

  I have a system with a few different databases, and I would like to check if a certain database is down, and if so display a message to the user. Is it possible in NHibernate to check if there is an active connection to the database, without having to request data and then catch the exception?

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• Update with inner join ?

  - by phenevo

  I have two databases: DB1 and DB2 How to do something like: update myServer.DB1.dbo.hotels.Name = myServer.DB2.dbo.hotels.Name join myServer.DB2.dbo.hotels on myServer.DB2.dbo.hotels.Code= myServer.DB1.dbo.hotels.Code where myServer.DB2.dbo.hotels.CountryCoe != myServer.DB1.dbo.hotels.CountryCode

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• Foreign Keys Duplicated in DataGridView

  - by John Doe

  I created a Windows Forms Application to which I added a DataGridView and LINQ to SQL Classes from one of my databases. I can successfully bind one of my database's tables to my DataGridView: var dataSource = from c in _db.NetworkedEquipments select c; dataGridView1.DataSource = dataSource; However, the foreign keys get duplicated, that is, the columns appear twice. How can I prevent this?

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• Online Database

  - by Narancha

  Hello! I want to write an application that reads blogpost from the internet and then present in my own way. The blogposts are stored in databases, so I figured that the only thing I had to do was to query an online database for the posts that I want to show.. But I can´t find a way to opoen a connecion to an online database... anyone out there with a solution to my problem? //Narancha

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• how Do I list all table names in SQL Server using T-SQL?

  - by shrimpy

  SELECT name FROM sys.databases -- this can list all database name in the server user database SELECT * FROM INFORMATION_SCHEMA.TABLES -- these two line can list the table for one particular database But how can I output the results like below? Database Table --------- ------------- db1 t1 db1 t2 db2 t1 ... ...

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• How to best match two strings?

  - by Sebastian Hoitz

  Hi, do you know any good algorithms that match two strings and then return a percentage in how many percent those two strings match? And are there some, that work with databases too?

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• What programming language to choose

  - by Pradeep

  We need to write a script that needs to process movies (using C-based ffmpeg) and also update our databases. Also there would be some thread programming to accomplish with a worker-manager design. I am thinking of writing this in Ruby is there any good language to do this, if so what is its primary advantage for choosing? We are based on the Mac platform. Thanks in advance.

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• What is the best solution for saving user application data locally?

  - by user329417

  I am adding contact functionality to my program, and I want to save the contact list of each individual user, what is the best solution for this? I am new to XML and databases and I don't know which would be best or if there is a database solution that saves locally. Thanks for the help.

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• SQL Server checking if you have access to a database

  - by J Harley

  Good Morning, I have connected to my SQL Server 2005 - and have managed to list all of the databases on that server. Now I would like to run a check on each database to see if I have permission to view that database.. How would I go about this? Many Thanks, Joel

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• How to add django-db-log models to admin panel?

  - by Enchantner

  Just installed django-db-log module and trying to make it work properly. 'python manage.py syncdb' command created databases, it seems like logging works, but there is nothing about it in admin panel. As I found in documentation, it should add itself in admin panel without any additional configuration, but then I added 'djangodblog.middleware.DBLogMiddleware' in MIDDLEWARE_CLASSES and 'djangodblog' in INSTALLED_APPS it looks like nothing happens. What I'm doing wrong?

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• Best ASP.Net Host for Developers [closed]

  - by Tyler

  I would need it to allow me to host subdomains and multiple domains is a huge plus. Required: ASP.NET 2.0, 3.0, 3.5 Subdomain Hosting MS-SQL & MySQL Databases Want Multiple Domain Hosting ASP.NET 4.0 Ability to directly connect to MS SQL using SQL SMS

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