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In C, do braces act as a stack frame?

If I create a variable within a new set of curly braces, is that variable popped off the stack on the closing brace, or does it hang out until the end of the function? For example: ...
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?

What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables? 3 Answers ...
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How to choose the id generation strategy when using JPA and Hibernate

I was going through Id generation section of the Hibernate reference guide and "java persistence with Hibernate" 4 Answers ...
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Iterate through a C++ Vector using a 'for' loop

I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList: ...
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Java8 Lambdas vs Anonymous classes

Since Java8 has been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to. ...
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Why is sed not recognizing \t as a tab?

I am expecting this sed script to insert a tab in front of every line in $filename however it is not. For some reason it is inserting a t instead. ...
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Set element focus in angular way

After looking for examples of how set focus elements with angular, I saw that most of them use some variable to watch for then set focus, and most of them use one different variable for each field they want to set focus. In a form, with a lot of fields, that implies in a lot of different variables. ...
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How to define a circle shape in an Android XML drawable file?

I have some problems finding the documentation of the definitions of shapes in XML for Android. I would like to define a simple circle filled with a solid color in an XML File to include it into my layout files. ...
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JavaScript: How to pass object by value?

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erb, haml or slim: which one do you suggest? And why? [closed]

I am learning Rails and I have seen these template engines. I have no experience with them (only erb). 5 Answers ...