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How to use Oracle ORDER BY and ROWNUM correctly?

I am having a hard time converting stored procedures from SQL Server to Oracle to have our product compatible with it. 4 An...
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Can I force a UITableView to hide the separator between empty cells? [duplicate]

When using a plain-style UITableView with a large enough number of cells that the UITableView cannot display them all without scrolling, no separators appear in the empty space below the cells. If I have only a few cells the empty space below them includes separators. ...
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Is there a short contains function for lists?

I see people are using any to gather another list to see if an item exists in a list, but is there a quick way to just do?: ...
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Is there a way to comment out markup in an .ASPX page?

Is there a way to comment out markup in an .ASPX page so that it isn't delivered to the client? I have tried the standard comments <!-- --> but this just gets delivered as a comment and doesn't prevent the control from rendering. ...
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How can I check a C# variable is an empty string “” or null? [duplicate]

I am looking for the simplest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null? ...
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sqlite3-ruby install error on Ubuntu

... You need the SQLite3 development headers for the gem’s native extension to compile against. You can install them by running (possibly with sudo): apt-get install libsqlite3-dev ...
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Extracting hours from a DateTime (SQL Server 2005)

I can extract the month and day by using Day(Date()) , Month(Date()) . I can't extract hours, with HOUR(Date()) . I get the following error. ...
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How to select date without time in SQL

...tells the convert function that we pass the input date in the following format: yyyy-mm-dd hh:mi:ss. share | improve this answer | follow | ...
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Is there a good JavaScript minifier? [closed]

What JavaScript minifier do you recommend? 9 Answers 9 ...
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How do I remove newlines from a text file?

... tr -d '\n' < yourfile.txt Edit: If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solutions to work even in that case...