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Eclipse error “ADB server didn't ACK, failed to start daemon”

After updating the SDK, Eclipse shows this error: 22 Answers 22 ...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...
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Generate class from database table

How can I generate a class from a SQL Server table object? 26 Answers 26 ...
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how to specify local modules as npm package dependencies

I have an application which has the usual set of dependencies on third party modules (e.g. 'express') specified in the package.json file under dependencies. E.g. ...
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How do you test to see if a double is equal to NaN?

I have a double in Java and I want to check if it is NaN . What is the best way to do this? 7 Answers ...
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How can I style an Android Switch?

The switch widget introduced in API 14 is styled by default with holo theme. I want to style it slightly different, changing its colors and shape a bit for branding reasons. How does one go about this? I know it must be possible, as ive seen the difference between default ICS and Samsung's touchwiz ...
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Database design for a survey [closed]

I need to create a survey where answers are stored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and...
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How to create dictionary and add key–value pairs dynamically?

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How to add a second css class with a conditional value in razor MVC 4

While Microsoft has created some automagic rendering of html attributes in razor MVC4, it took me quite some time to find out how to render a second css class on an element, based on a conditional razor expression. I would like to share it with you. ...
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Can I find out the return value before returning while debugging in Intellij?

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