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• Need of serialization in Java

  - by JavaUser

  Hi , Can anyone tell me what is the need of Serialization in Java and an example scenario to explain the need . I dont need the definition .

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• Should I use registry or a flat file to save a program's state?

  - by Ian

  Hi All, We have a lot of products that are saving their "states" on the registry. What is the best practice on saving program states? What are the advantages/disadvantages of saving program states as a registry entry or saving program states to a flat file such as XML? Thanks!

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• How to calculate the cycles that change one permutation into another?

  - by fortran

  Hi, I'm looking for an algorithm that given two permutations of a sequence (e.g. [2, 3, 1, 4] and [4, 1, 3, 2]) calculates the cycles that are needed to convert the first into the second (for the example, [[0, 3], [1, 2]]). The link from mathworld says that Mathematica's ToCycle function does that, but sadly I don't have any Mathematica license at hand... I'd gladly receive any pointer to an implementation of the algorithm in any FOSS language or mathematics package. Thanks!

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• what is the use of view in sql server?

  - by Surya sasidhar

  hi, i have a doubt what is a view. where should we use and what is the use of view. is there any good reference for views. thank you

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• How to prevent SQL Compact DB to be erased?

  - by Skuta

  Hi, I'm developing an applciation using SQL Compact database in Visual Studio 2008. When I start the application and run the process, the data is being loaded into database for few hours worth of few tens of megabytes. However, when I quite debugging, change something in code (not in DB structure), run the project again, the database is erased. Does anyone know how to prevent this behavior? I need the data to stay in DB to test on it.

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• JQUery validation plugin for checking data availability

  - by kwokwai

  Hi all, I am learning how to use JQuery validation plugin, I got a simple input text field like this: <input type="text" name="username"> But I don't know how to use this plugin to do some data availability tasks. Could you help me please?

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• Implement "tail -f" in C++

  - by Hamming

  Hi! I want to create a small code in C++ with the same functionality as "tail-f": watch for new lines in a text file and show them in the standard output. The idea is to have a thread that monitors the file Is there an easy way to do it without opening and closing the file each time?

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• sifr not working on internet explorer

  - by Nicolaas

  Hi Please have a look here: www.blokeswhobake.co.nz - sifr works great, except it does not want to work with internet explorer. I have had the same problems on a number of sites. I have no idea what I am doing wrong. Thanks for your help

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• bash getting a fd of a pipe

  - by k0re

  Hi, Why does the following not work? exec 3<|cat $0 The idea is to get file-descriptor (3) of a pipe (| cat $0).

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• Best way to provide Excel like WebPage?

  - by pipelinecache

  Hi everyone, is there in any means a manner to show a grid or something like Excel. I see alot of information, but how do you feel about this one? Are there grids, or third party grid that provide these features? Thanks, I very like it to here your opinion, and your idea about this feature I want to provide in a Web Page?

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• syntax question of c++

  - by lukmac

  Hi people: I came across with some code like this that i am not sure with: unsigned long byte_count : 32 unsigned long byte_count2 : 28 What does the ':' play here? Thanks, peace! lukmac

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• launching keyboard of languages other than english

  - by iSight

  hi, i have build a Mac OS X sample application which can open on screen keyboard using NSWorkSpace methods which is in english keys only. But, when i set the localization to other language to japanese(say) then what should i do to launch the on screen key board with keys appearing in japanese language.

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• Object Oriented PHP books

  - by user275074

  Hi, I've realised just how rusty my knowledge of PHP 5 and advanced PHP programming is after completing some questions for a test. I seriously need to read a book or something. Any recommendations for PHP 5 books?

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• Syncronize count down time for all users

  - by user221919

  Hi I need to synchronize the count down time for all users.So it will display identical remaining time to all in asp.net. Waiting for your valuable thoughts Thanking You

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• Wordpress: simple way to add an admin button with x subs

  - by yous

  Hi, What's the simplest way to add an admin menu button with x submenus? How can I make use of the table styling of WP? I just want to show a table of orders from a non WP table, but displayed in WP admin?? Should I make a plugin?

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• In SQL Server 2005, how can I use database_b, do something, then use the old db database_a in TSQL?

  - by Yousui

  Hi guys, In SQL Server 2005, how can I use database_b, do something, then use the old db database_a in TSQL? The following is my code but there is some problem with it. Who can help me to identity the problem? Great thanks. DECLARE @old_database_name VARCHAR(200) SET @old_database_name = db_name() use mydatabase create table t1(id int identity(1,1)) use @old_database_name

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• How to display "number of items" in a tableview?

  - by Garry

  Hi, What's the best way to implement showing a number in a small circle on a UITableView row, much like is seen on the 'Inbox' row in the image below? Thanks,

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• mySQL: How many rows in a table before performance is affected?

  - by Industrial

  Hi everybody, Is there a "known limit" for columns & rows in a mySQL table that when passed, it can be safe to say that performance is severely affected? I've think that I had heard that there is a "golden number" that you really dont want to exceed in either columns or rows in a table. - Or is it all about the size of the index and available RAM + CPU on the server? Thanks!

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• Regular Expression: Match untill pattern is found

  - by ZafarYousafi

  Hi, I want to extract the status from the string untill I found a timespan. My input is something like "Something in start but not with this keyword of sure. STATUS: My Status Is Here Which can be anything but timespan 23:59:01 and so on. I want to extract the string after STATUS: untill 23:59:01 is found. How can i achieve this through regex. this 23:59:01 is a timespan and it is always in this format hh:mm:ss

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• javascript url parsing

  - by Ra

  Hi, I have a url like http://mywebsite.com/folder1/folder2/index how to parse this above url and get all the values separately? I want the output like http, mywebsite.com, folder1, folder2, index Thanks in adavance

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• How can I get the full query string of a page

  - by wnoveno

  Hi, I'm using joomla and acesef as a plugin and I need to get the full querystring as is. The problem is when I use $_SERVEr['QUERY_STRING'] it contains the joomla QS isntead of my custom parameters. A javascript or PHP solution would do. thanks

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• Stick div to the bottom of the page

  - by Jack

  Hi, I have div with position absolute and I want to put another div under. How to make that? Thanks!

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• Generating SQL script from MySQL database table

  - by testingmysql

  Hi, Is there any application that will read a MySQL database table and generate a SQL script of INSERT statements (so that I can copy tables from one db to another db)? OR how can I transfer content from db1.table1 to db2.table2 where table1 and table2 is same. Thank you.

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• Oracle database on trigger fail rollback

  - by GigaPr

  Hi I want to create a trigger that execute on update of a table. in particular on update of a table i want to update another table via a trigger but if the trigger fails (REFERENTIAL INTEGRITY-- ENTITY INTEGRITY) i do not want to execute the update anymore. Any suggestion on how to perform this? Is it better to use a trigger or do it anagrammatically via a stored procedure? Thanks

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• Find the size in memory of a UIView programmatically?

  - by Nex

  Hi, Is it possible to find the size, in memory, of a UIView (or any object for that matter) programmatically? Thanks!

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