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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

I would like to see the SQL statement that a given ActiveRecord Query will generate. I recognize I can get this information from the log after the query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query. ...
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Advantages of Binary Search Trees over Hash Tables

What are the advantages of binary search trees over hash tables? 18 Answers 18 ...
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What is the difference between atan and atan2 in C++?

What is the difference between atan and atan2 in C++? 11 Answers 11 ...
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa

When executing SubmitChanges to the DataContext after updating a couple properties with a LINQ to SQL connection (against SQL Server Compact Edition) I get a "Row not found or changed." ChangeConflictException. ...
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Circular list iterator in Python

I need to iterate over a circular list, possibly many times, each time starting with the last visited item. 6 Answers ...
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What does this symbol mean in JavaScript?

This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. ...
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Is there a way to perform “if” in python's lambda

In python 2.6 , I want to do: 16 Answers 16 ...
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How do I select an entire row which has the largest ID in the table?

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Google Maps JS API v3 - Simple Multiple Marker Example

Fairly new to the Google Maps Api. I've got an array of data that I want to cycle through and plot on a map. Seems fairly simple, but all the multi-marker tutorials I have found are quite complex. ...
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How do I change the cursor between Normal and Insert modes in Vim?

I would like to know how to change, if possible, the cursor in Vim (in color, shape, etc.) depending on what mode you are in. ...