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• Is there a way to store a one (unique) data element in SQLite?

  - by prosseek

  I need to use SQLite database file as a file for storing information, and I want to store the version of the file in the SQLite database file. How can I do this? I mean, how to store unique (only one) data in SQLite? I don't want to use store the info by making table for this, as the version info is just one number.

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• Fastest and most efficent way of seaching a key-value pair in Java?

  - by Mohit Deshpande

  DISCLAIMER: THIS QUESTION WAS NOT MENT TO BE ARGUMENTATIVE!!!!!!! What is fastest and less memory draining way of searching a key-value pair? I will be storing items in a key-value like relation and I need to access them quickly. Should I use a SQLite database? A Map? A Hashtable? A HashMap? Please give some advantages/disadvantages of using whatever method of searching.

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• Hi, i want to implement a small routing table for my learning? I know it is implemented using radix/

  - by aks

  Hi, i want to implement a small routing table for my learning? I know it is implemented using radix/patricia tree in routers? Can someone give me an idea on how to go about implementing the same? The major issue i feel is storing IP ADDRESS. For example : 10.1.1.0 network next hop 20.1.1.1 10.1.0.0 network next hop 40.1.1.1 Can someone give me a declaration of the struct from which i can have an idea?

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• HibernateTemplate alwaysUseNewSession

  - by DD

  Hi, I had a problem where I was using the hibernate template to do most of my DB work but I had a part of the system that directly accessed the session to do batch persisting. I noticed that the hibernate template session was old and would be storing cached values which didnt take into account the objects save with the session directly. What are the drawbacks of using alwaysUseNewSession? This fixes the problem as I always get up-to-date objects. Thanks.

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• Folder location for Project->Add Class in Visual Studio 2008 Express

  - by Filip Gibki

  Hello. I like the VS option of Add Class that creates .cpp and .h file for me with a class template in it. But currently i am storing my source files in other folder than project file. Is there a way to to tell VS that i want to create those .cpp and .h files in a specific folder?

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• Finding users near other user

  - by Bunny Rabbit

  what algorithms should I explore to implement a feature which lets a user find other user located near him , the latitude and the longitudes of all the user are known in advance and are fixed [not dynamic]. Also i believe that there should be a better way to store such data then simply storing the lat , long of the user against his user id in a database.What are the efficient ways to handle this ?

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• How to create live stream audio for web-sites ???

  - by Kathir

  Hi All, We are storing sound from mic to pc via sound forge. We would like to broadcast the sound which comes from the mic to the pc as live streaming audio. Basically a person speaks in a mic, we like to give it as live stream audio. The web-site is hosted on yahoo server. Can you please let me know in what are the ways we can achieve this? Thanks, Kathir

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• Testing if string is sha1 in PHP

  - by SGWebsNow

  I'm planning on storing the passwords as a sha1, so I need a way to validate that it is a sha1 at another point in my website. I was planning on using preg_match, but I do not know how to make regex patterns. Could someone help me out with one? Thanks

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• PHP Multiple form tokens

  - by Juddling

  I understand the idea of generating a form token and storing it in a session, and also putting it as a hidden input in my forms. But how could I make this work if I have pages with multiple forms, is it still safe to use the same token for each form? And I still feel weary about bots and stuff on my website, can these form tokens really safely replace CAPTCHAs?

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• Regarding data storage in ecommerce applications

  - by geeth

  Why is MainFrame better choice to stores data related to customer, orders etc? I work with a online retail store, they use .net technologies for applications and MainFrames for storing product, customer, order etc related data. Is SQL DB server not a good option for these type of applications? How is MainFrames better choice than SQL DB? Please provide your insight.

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• store Current Date & time in MySql Using ASP.net

  - by Khilen

  I want to store the current date & time which can be get by System.DateTime.Now in asp.net but while storing in Mysql it gives Error of Invalid Time.

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• Login system and sessions (php)

  - by Jonathan

  I've created a login page and registration page and now I want to use that to password protect pages and have pages which show information specific to that user. Would storing the user ID of the user logged in in a Session variable be a safe and correct way of doing this? How easy would it be for a user to change the session variable to a different ID and access another user's information, and not having to type the users login details in?

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• netfiler hook and sending packet out of the hook function.

  - by user324890

  I am wring a netfilter module which would operate one specific TCP connection. After operating on one packet the function will return. Now, my question; is it possible if I want to steal one packet, and want to send it few millisecond later in one of my timeout(timer_list) function by storing the previous sk_buff structure?

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• What good programming practices will change with C++0x?

  - by Jon

  For example, "Don't return objects by value if they are expensive to copy" (RVO can't always be used). This advice might change because of rvalue references. The same might be said about storing collections of pointers to objects, because copying them by value into the collection was too expensive; this reason might no longer be valid. Or the use of enums might be discouraged in favour of "enum class". What other practices or tips will change?

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• Creating Simple desktop database application

  - by KoolKabin

  Hi guys, I am here to write a small database application that will be running in desktop (offline mode). I am using MSAccess 2007 as my database file and trying to write code in vb.net. I used to write the code vb6 an usually had global variables for storing database connection and executing every query from that. I am trying to upgrade myself from vb6 to vb.net. do i need to read some more simple starter books also?

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• problem with IN clause in SQL

  - by user179056

  Hello, We have observed that there seems to be a maximum number of ids/variables which one can pass in the IN clause of SQL as comma seperated values. To avoid this we are storing all the ids in a table and doing a SELECT within the IN clause. This however means extra database operations to store and retrieve ids. Is there any other way to use IN without SELECT? regards Sameer

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• How do I delete a '_' prefix on a variable using jQuery?

  - by sadmicrowave

  I have a variable that reads as _123456 and I need to delete the underscore prefix on this variable before storing it to a field. How do I do this? var value = "_123456"

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• Should multiple regional websites all use the same database?

  - by John Himmelman

  I'm developing a cms for a company that has multiple regional sites (us, uk, china, russia, etc..). Should I use a separate database for each of these sites or use a single database with a 'site' field in each table? My main concern is the table language encoding (ie, can storing strings in different langauges in the same table cause problems, such as sorting issues).

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• How do you inspect your own session hash when visiting a website?

  - by viatropos

  I am interested to see what people are storing in my session and cookies when I visit websites. Is there any way to see what's in there between request and when I'm on pages in Safari, Chrome, or Firefox?

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• Is SQLite a good solution to backup a postgres or mysql database ?

  - by clmntlxndr

  Hi all ! I'm using the Sequel (Taps) ruby gem for a remote backup of my production database (PostgreSQL). I wonder if storing that backup with SQLite is a good solution. What's your feeling ? Thx !

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• Database Formatting for Album Tracks

  - by Sev

  I would like to store album's track names in a single field in a database. The number of tracks are arbitrary for each album. Each album is one record in the table. Each track must be linked to a specific URL which also should be stored in the database somewhere. Is it possible to do this by storing them in a single field, or is a relational table for the track names/urls the only way to go?

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• Creating and saving image from byte[]

  - by dotnetdev

  Hi, I am storing an array of bytes into SQL Server. I want to create and save an image from a byte[] but several attempts seem unreliable and result in intermittent exceptions. What is the best way to go about this?

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• Fetch third party data and store in rails application variable

  - by mark

  Hi I need to do periodical background task fetching data from a weather site. How in rails can I fetch json from a remote url and store it on the server? Also, there doesn't seem to be any point in storing this in a db so how in rails can I store a variable available to all users?

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• How much more efficient is one big image rather than many small images. Facebook style.

  - by Jesse Gibbs

  So I was looking at the facebook HTML with firebug, and I chanced upon this image and came to the conclusion that facebook uses this large image (with tricky image positioning code) rather than many small ones for its graphical elements. Is this more efficient than storing many small images? Can anybody give any clues as to why facebook would do this.

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• Writing Logs to an XML File with .NET

  - by JL

  I am storing logs in an xml file... In a traditional straight text format approach, you would typically just have a openFile... then writeLine method... How is it possible to add a new entry into the xml document structure, like you would just with the text file approach?

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