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How can I stop a Postgres script when it encounters an error?

Is there a way to specify that when executing a sql script it stops when encountering the first error on the script, it usually continues, regardless of previous errors. ...
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Why is $$ returning the same id as the parent process?

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Static member initialization in a class template

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Get event listeners attached to node using addEventListener

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Applying function with multiple arguments to create a new pandas column

I want to create a new column in a pandas data frame by applying a function to two existing columns. Following this answer I've been able to create a new column when I only need one column as an argument: ...
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throw Error('msg') vs throw new Error('msg')

What's the difference? Looking at them in the chrome console, they look identical. Same properties on the object and the same __proto__ chain. Almost seems like Error acts like a factory. ...
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How do you create optional arguments in php?

In the PHP manual, to show the syntax for functions with optional parameters, they use brackets around each set of dependent optional parameter. For example, for the date() function, the manual reads: ...
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Rails 4: before_filter vs. before_action

In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two? ...
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IIS7 Settings File Locations

Where does IIS7 saves its configuration for each virtual directory/ application and its physical path? 2 Answers ...
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ipython notebook clear cell output in code

...ebook, I have a while loop that listens to a Serial port and print the received data in real time. 3 Answers ...