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How do I automatically update a timestamp in PostgreSQL

I want the code to be able to automatically update the time stamp when a new row is inserted as I can do in MySQL using CURRENT_TIMESTAMP. ...
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Set default value of an integer column SQLite

I am creating an SQLite database in android. 3 Answers 3 ...
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Delete all but the most recent X files in bash

Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory? ...
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Difference between ProcessBuilder and Runtime.exec()

I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() . ...
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How to include a child object's child object in Entity Framework 5

I am using Entity Framework 5 code first and ASP.NET MVC 3 . 4 Answers 4 ...
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Specifying colClasses in the read.csv

I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric. ...
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The purpose of Model View Projection Matrix

For what purposes are we using Model View Projection Matrix? Why do shaders require Model View Projection Matrix? 2 Answers...
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Add EBS to Ubuntu EC2 Instance

I'm having problem connecting EBS volume to my Ubuntu EC2 Instance. 2 Answers 2 ...
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What is the difference between .*? and .* regular expressions?

I'm trying to split up a string into two parts using regex. The string is formatted as follows: 3 Answers ...
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Difference between char* and const char*?

What's the difference between 8 Answers 8 ...