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  • How to check user id already exists

    - by Sheery
    Hi Friends, I am a beginner coder, i am building a project using C# Asp.Net in which i am registering users with a user id, now my question is that how to check that the user id is already exists in the user table or not when user trying to register, i am using sql server 2000?

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  • DAO method retrieve single entry

    - by London
    Hello, How can I write DAO method which will return as a result only first entry from the database. For instance lets say I'm looking at Users table and I want to retrieve only the first entry, I'd declare method like: public User getFirstUser(){ //method logic } EDIT: User has primary key id if that matters at all. I apologize if this question is too simple/stupid/whatever I'm beginner with Java so I'm trying new things. thank you

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  • Suggest a good book for Quantitative Methods & R Programming

    - by Rahul
    Hi folks, Please suggest a good book for beginner in Quantitative Methods/Techniques. Adding to this, a good book for beginners in R programming language, used in Quantitative Methods. And I've a few questions about this: ? Should I have to learn the other subjects like Probability, Statics, etc. before learning Quantitative Methods ? Is there any relation between Quantitative Methods & Data Mining

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  • How do I assign different weights to columns in SQL Server Full Text Search?

    - by gcaprio
    I'm using SQL Server 2008 FTS and I'd like to be able to integrate weighted rankings into my search results. However, I'd like to weight the columns that a search term is found in differently. For example, if I have a Title column and a Description column, I want matches fond in Title to rank higher than matches in Description. Is this possible in SQL Server 2008? As far as can I see, I can only add weights to specific terms, not column locations.

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  • How do I get started in embedded programing?

    - by mmattax
    I would like to get started in embedded systems programming but don't know where to start...I have a very solid knowledge of C and C++ and would preferably like to use these languages with the GNU compilers. I have a degree in CS so I have a solid foundation... I have no clue about what hardware and other resources that I will need...If you work or are knowledgeable in this area, how did you get started and what are some good resource for a beginner? Thanks.

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  • how to read rows?

    - by lego69
    I'm trying to read first row from the file > source ./rank file using this script set line = ($<) but when I enter echo $line I receive nothing, how can I change it? thanks in advance

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  • Why C/C++ have memory issue?

    - by LinuxNewbie
    I have read lots of programmers saying and writing when programming in C/C++ there are lots of issue related to memory. I am planning to learn to program in C/C++. I have beginner knowledge of C/C++ and I want to see some short sample why C/C++ can have issues with memory management. Please Provide some samples.

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  • How to set font Bold, Italic, and Underlined in Qt?

    - by Hanny
    I want to make a program that's like a simple text editor using Qt 4.6.2. When the user block any text in a TextEdit and click on a button, the text will be bold/italic/underlined depend on the button.. I'm a beginner in Qt Programming, so if Possible, can you insert the programming code in Qt to do that? Please answer this ASAP,, thank you very much!! :)

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  • Dependency Property In WPF/SilverLight

    - by Asim Sajjad
    I have searched on google about how to get started with the dependency property used in WPF/silverlight but didn't get any idea of the dependency property, can any one tell me about it , from beginner point of view, so that I get some idea about it and use it in my project thanks in advance.

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  • Creating an http proxy

    - by Pablo Fernandez
    This might be a beginner question but I did some googling and couldn't find an answer so bear with me. I was wondering if there was a resource, tutorial, wiki, etc that explained how to create an http proxy. It would be good to see it in ruby but any language will do if that's not possible. Thanks a lot

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  • Scanning string in perl

    - by Alphaneo
    What is the best way to achieve sscanf like functionality in perl? I am looking now looking at the sscanf module, Which is better, Option-1: Going sscanf way? Option-2: Regex way? [I am a beginner when it comes to Regex]

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  • iPhone/Android app development tutorials?

    - by Decipher
    Hi, I'm looking at jumping on the band-wagon and knock out a couple iPhone and Android apps. I'm not a complete beginner as I have programmed in quite a few languages, with my current focus on PHP and Drupal development, but I have not developed for either the iPhone or Android before. I have downloaded the respective SDKs, but I was hoping to find some good quality tutorials that with step-by-step guides getting your development environment up and building your first app.

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  • Little (Employee - Shift) SQL Database help

    - by latinunit-net
    Hi Guys, Im creating a little database that has employee, emp_shift, shift, tables now im suppose to be able to calculate at the end of the month which employee has done the most number of shifts. Ive created the SQL creation, insert statements for the tables, and a little diagram to explain what im trying to acomplish, im a beginner and this is a homework ive been trying to do for the last 4 days. Diagram: http://latinunit.net/emp_shift.jpg SQL: latinunit.net/emp_shift.txt can you please guys check it, deadline is 2 days and this is just a part of the whole database

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  • Call to a member function fetch_assoc() on a non-object

    - by Joann
    I'm a super beginner. I did find related questions here but I think they're too advanced for my skills. :-( Here's my function: function get_fname($un){ $registerquery = $this->conn->query("SELECT f_name FROM tz_members WHERE usr='".$un."'"); while ($row = $registerquery->fetch_assoc()) { return $fname = $row[$un]; } } Any help plsss??

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  • Oracle - Return shortest string value in a set of rows

    - by Sridhar
    Hi, I'm trying to write a query that returns the shortest string value in the column. For ex: if ColumnA has values ABCDE, ZXDR, ERC, the query should return "ERC". I've written the following query, but I'm wondering if there is any better way to do this? BTW, the query should return a single value. select distinct ColumnA from ( select ColumnA, rank() over (order by length(ColumnA), ColumnA) len_rank from TableA where ColumnB = 'XXX' ) where len_rank <= 1 Thank you.

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  • Using Matlab to interface with sensors

    - by nortron
    Im currently an E.E. under grad. and i was curious about matlab, I am now on break and i want to take my matlab a step beyond what i know (which is beginner to intermediate). For an example, i heard about a student doing a project that involved matlab controlling sensors to detect sunlight (solar panel related) and I am not sure how he did it?

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