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Select Last Row in the Table

I would like to retrieve the last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert. ...
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abort, terminate or exit?

What's the difference between those three, and how shall I end program in case of exception which I can't handle properly? ...
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Naming convention for unique constraint

Naming conventions are important, and primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard. ...
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Python's “in” set operator

I'm a little confused about the python in operator for sets. 5 Answers 5 ...
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Using jQuery to see if a div has a child with a certain class

I have a div #popup that is dynamically filled with several paragraphs with the class .filled-text . I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it. ...
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In PHP, how do you change the key of an array element?

I have an associative array in the form key => value where key is a numerical value, however it is not a sequential numerical value. The key is actually an ID number and the value is a count. This is fine for most instances, however I want a function that gets the human-readable name of the arr...
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How to attribute a single commit to multiple developers?

The way all version control systems I'm familiar with work is that each commit is attributed to a single developer. The rise of Agile Engineering, and specifically pair programming, has lead to a situation where two developers have made a significant contribution to the same task, a bug fix for exam...
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How to copy directories in OS X 10.7.3?

Hi I'm trying to copy my rails_projects directory from haseebjaved/Desktop/rails_projects to my home directory, which is haseebjaved. ...
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What is the maximum characters for the NVARCHAR(MAX)?

I have declared a column of type NVARCHAR(MAX) in SQL Server 2008, what would be its exact maximum characters having the MAX as the length? ...
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Difference between solr and lucene

I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project. ...