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Mapping two integers to one, in a unique and deterministic way

...s is the correct answer for unbounded integers. – Unknown May 28 '09 at 7:53 4 How can i get agai...
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How does a PreparedStatement avoid or prevent SQL injection?

I know that PreparedStatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise? ...
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Build Error - missing required architecture i386 in file

...eveloper/SDKs/iPhoneOS3.1.sdk/System/Library/Frameworks\"",); My project now build for both the iPhone device and the iPhoneSimulator. share | improve this answer | follow ...
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UIButton won't go to Aspect Fit in iPhone

... Yeah tried that, but now can't get the button to refit to the image – marty Aug 11 '10 at 21:34 ...
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Could not execute editor

...et the full path to vi (e.g. /usr/bin/vi) rather than just the executable. Now everything works. I have to admit that I don't get it since vi is perfectly executable on its own (my $EDITOR env variable is also set to vi), but it's working and my technical karma hasn't been so great lately so maybe I...
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What is the difference between inversedBy and mappedBy?

...e engine can use the reference above it which says its mappedBy Category. Now... don't be confused here like I was... Category is NOT referring TO THE CLASS NAME, its referring to the property on the Task class called 'protected $category'. Like wise, on the Tasks class the property $category ment...
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How can I scan barcodes on iOS?

... use an external framework or library. The iOS ecosystem with AVFoundation now fully supports scanning almost every code from QR over EAN to UPC. Just have a look at the Tech Note and the AVFoundation programming guide. AVMetadataObjectTypeQRCode is your friend. Here is a nice tutorial which shows...
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Rename a file in C#

... File.Move has an overload method now that allows you to overwrite the file - File.Move(oldPath, newPath, true) – Ella Apr 5 at 22:15 ...
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How do you disable viewport zooming on Mobile Safari?

...lease notes: To improve accessibility on websites in Safari, users can now pinch-to-zoom even when a website sets user-scalable=no in the viewport. So as far as I understand, we are sh** out of luck. share ...
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Java JDBC - How to connect to Oracle using Service Name instead of SID

... Jim Tough on May 18 '11 at 15:17. With that answer I was able to connect. Now I want to give back and help others with a complete example. Here goes: import java.sql.*; public class MyDBConnect { public static void main(String[] args) throws SQLException { try { String...