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Faster s3 bucket duplication

I have been trying to find a better command line tool for duplicating buckets than s3cmd . s3cmd can duplicate buckets without having to download and upload each file. The command I normally run to duplicate buckets using s3cmd is: ...
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Test if string is a number in Ruby on Rails

I have the following in my application controller: 12 Answers 12 ...
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What is “entropy and information gain”?

I am reading this book ( NLTK ) and it is confusing. Entropy is defined as : 7 Answers ...
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Is there a concurrent List in Java's JDK?

How can I create a concurrent List instance, where I can access elements by index? Does the JDK have any classes or factory methods I can use? ...
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Check for null in foreach loop

Is there a nicer way of doing the following: I need a check for null to happen on file.Headers before proceeding with the loop ...
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What is the point of function pointers?

I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer. ...
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$(document).click() not working correctly on iPhone. jquery [duplicate]

This function works perfectly on IE, Firefox and Chrome but when on the iPhone, it will only work when clicking on a <img> . Clicking on the page (anywhere but on a img) wont fire the event. ...
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SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or

When I backup or restore a database using MS SQL Server Management Studio, I get a visual indication of how far the process has progressed, and thus how much longer I still need to wait for it to finish. If I kick off the backup or restore with a script, is there a way to monitor the progress, or do...
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How to disable and re-enable console logging in Python?

I am using Python's logging module and I want to disable the console logging for some time but it doesn't work. 17 Answer...
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How to write a simple Html.DropDownListFor()?

In ASP.NET MVC 2, I'd like to write a very simple dropdown list which gives static options. For example I'd like to provide choices between "Red", "Blue", and "Green". ...