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Copy values from one column to another in the same table

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Ruby Hash to array of values

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HttpURLConnection timeout settings

I want to return false if the URL takes more then 5 seconds to connect - how is this possible using Java? Here is the code I am using to check if the URL is valid ...
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Entity framework linq query Include() multiple children entities

This may be a really elementry question but whats a nice way to include multiple children entities when writing a query that spans THREE levels (or more)? ...
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How can I stop redis-server?

I apparently have a redis-server instance running because when I try to start a new server by entering redis-server , I'm greeted with the following: ...
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What does this gdb output mean?

I've got a button that plays a sound, and it seems to work perfectly fine on the simulator, but i'm getting this message: 7...
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How do I get into a non-password protected Java keystore or change the password?

I'm trying to import a trusted certificated into the Java cacerts keystore , but I have a problem. I tried to list existing trusted certificates and it seems that the keystore isn't password protected. ...
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How to convert a clojure keyword into a string?

In my application I need to convert clojure keyword eg. :var_name into a string "var_name". Any ideas how that could be done? ...
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Two single-column indexes vs one two-column index in MySQL?

I'm faced with the following and I'm not sure what's best practice. 4 Answers 4 ...
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What is the @Html.DisplayFor syntax for?

I understand that in Razor, @Html does a bunch of neat things, like generate HTML for links, inputs, etc. 4 Answers ...