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• output redirection in UNIX

  - by Happy Mittal

  I am a beginner in UNIX. I am finding some difficulty in input/output redirection. ls -l temp cat temp Here why temp file is shown in the list and moreover, it is showing 0 characters. wc temp temp cat temp here output is 0 0 0 temp. Why lines, words, characters are 0. Please help me to undestand this concept.

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• Android: onTouchEvent for textView

  - by suhani

  Hi, I'm beginner developing developing small application. I have 3 textview on screen, when i touch the any one of the view it should navigate to next new screen, how to do this help me Thanks, Suhani

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• What does "foo" mean in SQL Server Query ?

  - by John

  for eg... SELECT * FROM ( SELECT RANK() OVER (ORDER BY stud_mark DESC) AS ranking, stud_id, stud_name, stud_mark FROM tbl_student ) AS foo WHERE ranking = 10 Here foo is present...actually what it does ?..

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• how to make array of class objects using dynamic allocation in c#?

  - by jack22

  hi, i made a class named x; so i want to make array of it using dynamic allocation x [] myobjects = new x(); but it gives me that error Cannot implicitly convert type 'ObjAssig4.x' to 'ObjAssig4.x[]' i know it's dump question but i am a beginner thanks

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• Is it best to code from a blank sheet or improving a code that's already written?

  - by user300371

  Just had a curious thought, but for general coding and programming, do you think it's best to work out all the logic yourself and start from a blank sheet or just take a code that has been written already(by you or someone else) and just change it to your liking? Assuming you have a programming background of like 1year+. (because as a beginner, it's best to learn from nothing) I'm not saying copy+paste someone else's code and say it's yours.

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• Install Dll in the GAC for .Net

  - by tkg

  Hi all, I am a beginner in .Net development. I need to ask about .Net winform deployment. If i have 1 exe file, some class libraries, and 3rd party components (DevExpress). Should i install these Dlls (class library and 3rd party component) in the GAC (Global Assembly Cache) in client computers ? Thank you for the explanations.

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• looking for a good free online tutorial on sql

  - by Richard

  Looking for a good tutorial for the complete beginner on sql. I need to know how to start up a development server as well. thanks

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• C++ / Java Textbook [closed]

  - by hkf

  Possible Duplicate: The Definitive C++ Book Guide and List What is the best text book a beginner (non-CS major) can buy to master C++? And for Java? Thanks

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• facebook access_token problem

  - by user559711

  Hi, I just wrote a little application(4 page php), everything work fine, however, I have a question that, do I need to create a new instance of facebook (just like $facebook = new facebook.....) in every new php page, or just pass a access token or session? If only pass the access token, how can I use the function $faceook-api('something'); to acheive the data? Because I'm a beginner of php, I have no idea how access token work, please help, thanks a lot! Regards, YK

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• Question on struct

  - by barbgal

  i see lot of struct code like below struct codDrives { WCHAR letter; WCHAR volume[100]; } Drives[26]; we can use variables or array something like that to store the data.. but i am not sure why use struct in the programs. i am beginner so please for my dump question Thank you for the time spent to me

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• Is it worth learning C# or Java in 2010

  - by Dhawal

  We are in web era standalone applications are almost gone everyone wants their internet application to run inside browser, programming languages like Ruby, Python and scala are becoming more and more mainstream. Sometimes I wonder what these programming language offer which make them top choice of IT companies, if I plan to become a freelance web developer is it worth learning C# or Java. I read beginner's book for both of them, but to master any of them require some time investment.

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• Output alternatives in Python

  - by Jasper

  Hi I'm a beginner programmer, pretty new 2 it Basically is there any alternatives to the print statement for output in Python, and how can I format my output text to be color-coded? Thanks

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• python: How to refer to specific item within a list of lists?

  - by user964689

  Python beginner here, I have a list of lists and want to refer to a specific part of that list. For example lol = [[1, 2, 4], [6, 7, 8], [9, 10, 14]] If I just want to print the first item in one of the lists, eg the 1, 6 or 9, how would I do that? I can only find ways to refer to each of the lists seperately eg lol[0] but not to then refer to an item within that list. Thank you in advance for your help! Cheers

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• what does "foo" mean in SqlServer Query ?

  - by John

  for eg... SELECT * FROM ( SELECT RANK() OVER (ORDER BY stud_mark DESC) AS ranking, stud_id, stud_name, stud_mark FROM tbl_student ) AS foo WHERE ranking = 10 Here foo is present...actually what it does ?..

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• I got the address of a large managed object in WinDbg, what next?

  - by Mahen

  I created a high memory utilization dump and using !dumpheap -stat and !dumpheap -mt I got the address of two large string generic list of 30 MB each. I want to know more about these lists. What they contain or which piece of code is using them. Is there a way to find them out? 0:000 !do 2b370038 Name: System.Object[] MethodTable: 71e240bc EEClass: 71c0da54 Size: 33554448(0x2000010) bytes Array: Rank 1, Number of elements 8388608, Type CLASS Element Type: System.Collections.Generic.List`1[[System.String, mscorlib]] Fields: None

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• What Could be the example scenarios to declare any class or any method as "final"?

  - by Parth

  What Could be the example scenarios to declare any class or any method as "final"? When do we need to do this? Please give me some example to understand the practical use of "final"... please guide me as I am a beginner in OOP

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• Where can I find good Struts2 tutorial/references for beginners?

  - by jl

  Hi, I am a beginner in Struts2. Can anyone can provide links to video or tutorials on Struts2 and Hibernate with netbeans, to give me a head start in this? Thank you very much.

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• Is Spring hard compared to Ruby on Rails?

  - by johnny

  If I have no to little experience in either of them, but know enough Java and Ruby to be comfortable, is one framework harder to learn than the other? Is one easier to use for the beginner on these? I know it is hard to answer. Just looking for general thoughts on it.

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• How to return the number of a month in C# function

  - by john

  I want to return the number of a month and i made a function but it always returns 0 this is my code: public int getNrMonth(String s) { int nr=0; if (s.Equals("January")) nr = 1 if (s.Equals("February")) nr = 2; return nr; } Could someone tell me wath is wrong please? I'm beginner!

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• Do I have to initialize simple class member variables?

  - by Frank

  Quick beginner's question: Do I have to initialize simple class member variables, or are they guaranteed to get assigned their default values in any case? Example: class Foo { int i; // is i==0 or do I need the following line for that? Foo() : i(0) {} }; Thanks!

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• how to create window that opened when close main window??

  - by Abeer

  Hi everyone .. Iam a absolute Beginner in QT.. i am trying to create window that has only text and one push button when you press it, you will get another window that has menu for program .. but Unfortunately, i didn't know how can i create new window and connect it with main window! so, i need to helping you

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• Adding multiple images to AnimateDrawables sample code in Android

  - by Nator

  Hello, I was trying to add more than one images in the AnimateDrawables under com.example.android.apis.graphics, but for some reason I couldn't. Can anyone post a sample code on how to accomplish it or at least explain it to me? This beginner programmer would really appreciate it. Thanks

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• No Main() in WPF?

  - by Luminose

  I am very beginner when it comes to programming but I was sure that one of the universal rules was that an program starts with Main(). I do not see one when I create a WPF project. Is Main() simply named something differently in WPF?

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• understanding an API

  - by adusum

  I know that there are many API's like json,Facebook,twitter etc for developing related applications on iphone....but how to understand an API?This might be scilly question but I want to know how? what would you suggest for for a beginner?

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• What should I make as my first JQuery application?

  - by Cameron

  I want to get better at JQuery, but I don't know what type of application I should make to test my skills. What would you suggest that would not be too hard so I would get frustrated as a beginner. Any help is appreciated. Thanks! (sorry if I sound like a noob, by the way =P)

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