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How do I limit the number of rows returned by an Oracle query after ordering?

...You can find the full syntax here. (Also read more on how this works internally in Oracle in this answer). To answer the original question, here's the query: SELECT * FROM sometable ORDER BY name OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY; (For earlier Oracle versions, please refer to other answers ...
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In c# is there a method to find the max of 3 numbers?

... Well, you can just call it twice: int max3 = Math.Max(x, Math.Max(y, z)); If you find yourself doing this a lot, you could always write your own helper method... I would be happy enough seeing this in my code base once, but not regularly. (N...
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Session variables in ASP.NET MVC

I am writing a web application that will allow a user to browse to multiple web pages within the website making certain requests. All information that the user inputs will be stored in an object that I created. The problem is that I need this object to be accessed from any part of the website and I ...
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PHP - Move a file into a different folder on the server

I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:) ...
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Create an instance of a class from a string

...of a class based on the fact I know the name of the class at runtime. Basically I would have the name of the class in a string. ...
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How to get the original value of an attribute in Rails

... VincentVincent 4,62322 gold badges2222 silver badges1616 bronze badges ...
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How can I hash a password in Java?

... You can actually use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing. byte[] salt = new byte[16]; random.nextBytes(salt); KeySpec spec = new...
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What is an ORM, how does it work, and how should I use one? [closed]

... case with a pseudo language: You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that: book_list = new List(); sql = "SELECT book FROM library WHERE author = 'Linus'"; data = query(sql); // I over simplify ... while (row ...
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What is __gxx_personality_v0 for?

... curiousguy 7,13322 gold badges3535 silver badges5151 bronze badges answered Nov 30 '08 at 19:00 CesarBCesarB ...
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what is .netrwhist?

...riting files across networks. .netrwhist is a history file which maintains all the directories that were modified. So whenever you modify the contents of ~/.vim it adds one entry in .netrwhist A sample .netrwhist is as shown let g:netrw_dirhistmax =10 let g:netrw_dirhist_cnt =6 let g:netrw_dirhis...