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PostgreSQL query to return results as a comma separated list

... SELECT string_agg(id::text, ',') FROM table Requires PostgreSQL 9.0 but that's not a problem. share | improve this answer |...
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What exactly is a C pointer if not a memory address?

In a reputable source about C, the following information is given after discussing the & operator: 25 Answers ...
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Random “Element is no longer attached to the DOM” StaleElementReferenceException

I'm hoping it's just me, but Selenium Webdriver seems like a complete nightmare. The Chrome webdriver is currently unusable, and the other drivers are quite unreliable, or so it seems. I am battling many problems, but here is one. ...
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@Html.HiddenFor does not work on Lists in ASP.NET MVC

I'm using a model that contains a List as a property. I'm populating this list with items i grab from SQL Server. I want the List to be hidden in the view and passed to the POST action. Later on i may want to add more items to this List with jQuery which makes an array unsuitable for expansion later...
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get all keys set in memcached

How can I get all the keys set in my memcached instance(s)? 6 Answers 6 ...
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MySQL: Insert record if not exists in table

I am trying to execute the following query: 16 Answers 16 ...
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Best way to use html5 data attributes with rails content_tag helper?

The issue, of course, is that ruby symbols don't like hyphens. So something like this obviously won't work: 6 Answers ...
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Get list of databases from SQL Server

How can I get the list of available databases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET. ...
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Count immediate child div elements using jQuery

I have the following HTML node structure: 12 Answers 12 ...
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Expanding a parent to the height of its children

... @jmendeth An overflow-value called "overlay" does not exist. What is working if the child divs are floated is declaring overflow:hidden. – Christoph Jul 11 '12 at 10:17 ...