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What is the boundary in multipart/form-data?

...tion about the multipart/form-data . In the HTTP header, I find that the Content-Type: multipart/form-data; boundary=??? . ...
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Generic type parameter naming convention for Java (with multiple chars)?

In some interfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. ...
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What is a Context Free Grammar?

Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are? ...
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Recommended way to save uploaded files in a servlet application

...should not save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know : ...
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Constructor overloading in Java - best practice

There are a few topics similar to this, but I couldn't find one with a sufficient answer. 6 Answers ...
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Are lists thread-safe?

I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop() . Is this because lists are not thread-safe, or for some other reason? ...
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How to jQuery clone() and change id?

I need to clone the id and then add a number after it like so id1 , id2 , etc. Everytime you hit clone you put the clone after the latest number of the id. ...
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Common MySQL fields and their appropriate data types

...ame, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as these. For instance, I have determined that an unformatted US p...
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In Matlab, when is it optimal to use bsxfun?

My Question: I've noticed that a lot of good answers to Matlab questions on SO frequently use the function bsxfun . Why? ...
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Understanding the transclude option of directive definition?

I think this is one of the hardest concept for me to understand with angularjs's directive. 6 Answers ...