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How to configure PostgreSQL to accept all incoming connections

I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4. ...
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When do you need to explicitly call a superclass constructor?

So say I have a subclass that extends a superclass. In what scenarios do I need to explicitly type super() to get the superclass constructor to run? ...
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Can you do greater than comparison on a date in a Rails 3 search?

I have this search in Rails 3: 4 Answers 4 ...
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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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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller

I am writing an application that is accepting POST data from a third party service. 5 Answers ...
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How do I list all versions of a gem available at a remote site?

I'm trying to find out all the remotely available versions of a specified gem. 4 Answers ...
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What's the result of += in C and C++?

I've got the following code: 2 Answers 2 ...
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Remote branch is not showing up in “git branch -r”

I have been pushing to a remote Bitbucket repository and recently a colleague has pushed a new branch he created to the same repository. ...
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How to get a URL parameter in Express?

I am facing an issue on getting the value of tagid from my URL: localhost:8888/p?tagid=1234 . 4 Answers ...
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Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3

I'm now reading documentation on Twitter Bootstrap 3, and tried to follow column ordering as shown in this page but hit the wall. I don't understand why such a code works nor how to correctly specify the setting. What I want to show is one grid, which is consisted of length 5, and the other leng...