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• system call in Ruby

  - by Niklas

  Ruby-help Hi. I'm a beginner in ruby and in programming as well and need help with system call for moving a file from source to destination like this: system(mv "#{@SOURCE_DIR}/#{my_file} #{@DEST_DIR}/#{file}") Is it possible to do this in ruby and which is the correct syntax? Thx

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• How to balance number of ratings versus the ratings themselves?

  - by zneak

  Hello guys, For a school project, we'll have to implement a ranking system. However, we figured that a dumb rank average would suck: something that one user ranked 5 stars would have a better average that something 188 users ranked 4 stars, and that's just stupid. So I'm wondering if any of you have an example algorithm of "smart" ranking. It only needs to take in account the rankings given and the number of rankings. Thanks!

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• How update dataset with datagrid view C#

  - by Paul

  Hi, I am beginner and I have this problem. How can I can update dataset with datagridview? I binding dataset in datagrid. Edit datagrid. At finish I want update dataset with datagridview. Thank you form any advice

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• JavaScript Object Question

  - by Frank Neville

  What I want to do with the fs object is to add multiple "items" to the fs.items property. How can I do this? You can see my attempt below, obviously this does not work. I am a beginner, go easy on me :) Thanks... var fs = { name:'test', items:[] }; fs.items = { name:'item1', value:1 }; fs.items = { name:'item2', value:2 }

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• Doubts in ada language involving procedures

  - by maddy

  Hi All, I am a beginner in ada and i had come across a piece of code which is shown below: procedure Null_Proc is begin null; end; Now as per my knowledge the procedure in ada doesn't return anything.My doubt is what does this procedure Null_proc do?I mean i am not clear with the definition of the procedure. Thanks and regards Maddy

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• error C2143: syntax error : missing ')' before 'constant

  - by user350217

  I keep getting this error on my project and i cant figure it out! please help! error C2143: syntax error : missing ')' before 'constant' the line is: while (selection == ('a','b','c', 'd', 'e', 'f', 'g', 'h', 'i','A','B' 'C', 'D', 'E', 'F', 'G', 'H', 'I'); also i know there is an easier way to write that line out but im not sure how i can do it. im a beginner at this so can any of you pros edit this line for me!

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• "Snap an image" in MATLAB

  - by Megan Mathews

  I am a beginner and for lack of a better way to put this, does MATLAB have a function that will "snap an image" or move an image to some predefined location if within a certain area? I have checked out some forums with no luck so far. Thank you so much for your assistance.

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• ASP.NET Web Custom Controls

  - by Mohit Kumar

  Hello Experts, I am Beginner. I want to study and create custom controls. I have searched on Google but didn't find any good stuff. Could anybody provide me some nice link or explain me that how can I start custom controls. Thanks in advance.

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• hibernate for dynamic table creation

  - by user369316

  i AM A HIBERNATE BEGINNER ,Since i need to create dynamic tables with dynamic fields in them i chose to use hibernate . As far as my understanding , creating tables requires a class with the fields defined in the class . How do i generate the classes dynamically based on the table with the required fields ?

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• How should I contribute to an open source project?

  - by Rajan Walia

  I know basic C++ like about classes and other basic stuff what are the things which i need to know so that i can understand the source code of some advance open source projects and be able to make one too. Like if i read the code of vlc or some other projects I can't understand many things moreover i am just a beginner have not worked on even multi file programs so please suggest which are the books and what are the basic projects from where i can start.

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• MyFaces vs. Sun's Reference Implementation - latter not free?

  - by erlord

  Hi all Just a stupid beginner's question, which will be quickly solved, but I am curious. http://www.irian.at/myfacesexamples/home.jsf says: "MyFaces - The free JavaServer™ Faces Implementation" Errr ... is Sun's implementation not free, then? Thanks & Cheers Er

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• Restructuring Site - SEO

  - by a1anm

  I am planning to restructure my site slightly which means certain urls will be changing. I rank quite well for some of these pages in google. What can I do to retain this once I change the url's? Here is an example of some of the changes: twistedtime.com/mens-watches.html to twistedtime.com/shop-by/gender/mens-watches.html twistedtime.com/watch-brands/lip-watches.html to twistedtime.com/shop-by/watch-brands/lip-watches.html

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• How convert flex Data grid values to CSV format file?

  - by R.Vijayakumar

  I am new beginner, is it possible the covert flex data grid to CSV file format with out use any backend (java,php ..) file ? . Because I tried with out use bankend . is it convert or not ? So any one give suggest me . or which is best method to convert ?

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• Why is graphviz drawing C to the right of B?

  - by dmd

  Why is graphviz drawing C to the right of B? I want it to look like A B E C instead. digraph { compound=true subgraph cluster_1 { a -> b } b -> c {rank=same b -> e } }

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• Obtain an array of audio sample values and compare them with a threshold

  - by Dora

  I have to write an iPhone application: to start recording when I have something on the audio channel, then to stop the recording after 1.15 s, to obtain a float array with the audio levels and to compare the value to see if they are 0 or 1. Please give me some ideas...I´m a beginner.

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• can't query from dbpedia with a sparql

  - by austin powers

  I want to query from dbpedia using their sparql interface (http://dbpedia.org/sparql) I want to get the abstract of http://dbpedia.org/page/Herbie_Mann I know that I have to call abstract ontology http://dbpedia.org/ontology/abstract and my final sparsql query is like following : SELECT ?abstract WHERE { { <http://dbpedia.org/page/Herbie_Mann> <http://dbpedia.org/ontology/abstract> ?abstract} } but yet I'm not able to see anything. please help me as I am beginner in semantic web!

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• C# Help For Adding Radio Button For MenuStrip.

  - by Gayan J

  Im a beginner for C# language.So i need a help from who genius from this scheme.i need to add a radio button for menu strip. i already change "clickonclick" property to "true".but i need a option like radio button selection. you can see it from windows calculator menu bar.(click View) how can i get to it via using menustrip peoperty.

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• How to apply style in WPF Controls ?

  - by Amit

  Hello All, I am beginner on WPF and need your help. Problem: I have 4 buttons on the form and need to apply 2 different style on pair of 2 buttons. Is there any way we can achive this ? please provide me sample if possible... Thanks in advance...

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• Regarding Application Templates

  - by user185590

  Hi Folks , Here is Jagadeesh, New to the Iphone Development Platform , i need to know the Difference among the Templates for our Applications( like we have Navigation, view, window, Open Gl, Tab Bar, Utility type application)over there and there is a small description at the bottom of the pane , can anyone let me know the Complete description and Templates Screen shot(like View based aPpliction screen shot, Window based Screen Shot Etc..., ) so that as a beginner it is very easy to learn....

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• Zend Framework Resources

  - by armin etemadi

  im a beginner to Zend Framework! i want resources for learning,tutorials and etc. for ZF. is there anybody here to help me? :)

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• The use of mod operators in ada

  - by maddy

  Hi all, Can anyone please tell me the usage of the following declarations shown below.I am a beginner in ada language.I had tried the internet but that was not clear enough. type Unsigned_4 is mod 2 ** 4; for Unsigned_4'Size use 4;

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• Dont know how to stop element in certain point

  - by user713190

  Im beginner and im experimenting on a website with fixed and relative postions, what i want to do is to stop bottom part when the two bottom lines(div .top_divider_line) touches nav menu(div .top_holder) here is the preview from site where im stuck. http://elexoj.com/test/ I think making it with jquery will be lot easier but i've no idea how to do it, i'll really appreciate your help. Thank You!

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• insert into database from Joomla form fields

  - by jehan

  Dear All, I am beginner to Joomla development, I have created a very simple module, How to create a form of three textfields in it, and then insert textfields data into database /. Any one can help ?

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• Deploy a jar in Jetty

  - by Dimitri

  Hi guys, I was wondering if is it possible to deploy a jar file in Jetty? If not, are there applications servers who can do so? I am beginner. I am asking this question because all the docs that i have found, it seems that we can only deploy war archive in application servers. Is that true?

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• java array manipulation

  - by sachin

  Hi, I'm a beginner in java. I want the logic of the small program. I have two arrays array = {a1,a2,a3,a4,a5,,,,,,,,,an} and array2 = {b1,b2,b3,b4,,,,,,,,,,,bn} I want string as: a1b1,a2a3b2b3,a4a5a6b4b5b6,..........an Please tell me what will be the logic.

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