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How do I find out my MySQL URL, host, port and username?

I need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these? ...
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How to bind an enum to a combobox control in WPF?

I am trying to find a simple example where the enums are shown as is. All examples I have seen tries to add nice looking display strings but I don't want that complexity. ...
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“Comparison method violates its general contract!”

Can someone explain me in simple terms, why does this code throw an exception, "Comparison method violates its general contract!", and how do I fix it? ...
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How to stop an app on Heroku?

I have an app on Heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new. ...
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Move all files except one

How can I move all files except one? I am looking for something like: 14 Answers 14 ...
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How do you sort a dictionary by value?

I often have to sort a dictionary, consisting of keys & values, by value. For example, I have a hash of words and respective frequencies, that I want to order by frequency. ...
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When creating a service with sc.exe how to pass in context parameters?

When creating Windows service using: 13 Answers 13 ...
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Undefined reference to `sin` [duplicate]

I have the following code (stripped down to the bare basics for this question): 4 Answers ...
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What good are SQL Server schemas?

I'm no beginner to using SQL databases, and in particular SQL Server. However, I've been primarily a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment? ...
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What is the role of the bias in neural networks? [closed]

...descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it? 20 A...