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Possible to access the index in a Hash each loop?

I'm probably missing something obvious, but is there a way to access the index/count of the iteration inside a hash each loop? ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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How can you escape the @ character in javadoc?

How can I escape the @ symbol in javadoc? I am trying to use it inside a {@code} tag, which is inside <pre> tags. ...
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Undoing a commit in TortoiseSVN

I committed a bunch of files (dozens of files in different folders) by accident. What is the easiest, cleanest (and safest!) way to 'undo' that commit without having to delete the files from my working directory? ...
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Index on multiple columns in Ruby on Rails

I'm implementing functionality to track which articles a user has read. 2 Answers 2 ...
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When editing Microsoft Office VBA, how can I disable the popup “Compile error” messages?

When you're editing a Microsoft Office VBA macro or function, you will often move your cursor from a line that you haven't finished. For example, to go copy something you want to paste into that line. But, if that partial line isn't syntactically valid, the VBA editor interrupts your work by poppi...
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Change the mouse cursor on mouse over to anchor-like style

If I hover the mouse over a div the mouse cursor will be changed to the cursor like that in HTML anchor. 5 Answers ...
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Python integer division yields float

...=int ? What should I do, is there a new division operator or must I always cast? 5 Answers ...
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MySQL join with where clause

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looping through an NSMutableDictionary

How do I loop through all objects in a NSMutableDictionary regardless of the keys? 6 Answers ...