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Get the value of an instance variable given its name

In general, how can I get a reference to an object whose name I have in a string? 2 Answers ...
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CSS: How to position two elements on top of each other, without specifying a height?

I have two DIVs that I need to position exactly on top of each other. However, when I do that, the formatting gets all screwed up because the containing DIV acts like there is no height. I think this is the expected behavior with position:absolute but I need to find a way to position these two ele...
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Difference between HEAD and master

What is the difference between the HEAD and master in Git? 3 Answers 3 ...
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How to convert a selection to lowercase or uppercase in Sublime Text

I have several strings selected in a file in Sublime Text and I want to convert them all to lowercase. 5 Answers ...
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Rails: Adding an index after adding column

Suppose I created a table table in a Rails app. Some time later, I add a column running: 5 Answers ...
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How should I read a file line-by-line in Python?

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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

(Related to this question, EF4: Why does proxy creation have to be enabled when lazy loading is enabled? ). 4 Answers ...
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jQuery, get html of a whole element [duplicate]

I wish to get the entire html of a selected element not just it's contents. .html() uses javascripts innerHTML() method according to the documentation. HTML: ...
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How to filter None's out of List[Option]?

If I have a List[Option[A]] in Scala, what is the idiomatic way to filter out the None values? 3 Answers ...
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HTML Submit-button: Different value / button-text?

I'd like to create an HTML form submit button with the value 'add tag' , however, the web page is in Swedish, so I'd like to have a different button text . ...