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Go: panic: runtime error: invalid memory address or nil pointer dereference

When running my Go program, it panics and returns the following: 4 Answers 4 ...
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Python xml ElementTree from a string source?

The ElementTree.parse reads from a file, how can I use this if I already have the XML data in a string? 4 Answers ...
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How to generate a new Guid in stored procedure?

I currently have a stored procedure in which I want to insert new rows into a table. 5 Answers ...
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How to verify a user's password in Devise

I'm having a problem matching user password using devise gem in rails. User password stored on my db which is encrypted_password and i am trying to find user by password, but I don't understand how to match password from form and encrypted_password in my db. ...
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What is the difference between README and README.md in GitHub projects?

I've noticed some GitHub projects have not only a README file, but also a README.md file. 4 Answers ...
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How do I create a Python function with optional arguments?

I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios. 2 Answe...
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How do I test for an empty string in a Bash case statement?

I have a Bash script that performs actions based on the value of a variable. The general syntax of the case statement is: 3...
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Difference between val() and text()

What the difference between jQuery's functions val() and text() ? 4 Answers 4 ...
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Convert a list of objects to an array of one of the object's properties

... You are looking for MyList.Select(x=>x.Name).ToArray(); Since Select is an Extension method make sure to add that namespace by adding a using System.Linq to your file - then it will show up with Intellisense. ...
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Difference between Activity and FragmentActivity

...nts and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app. ...