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node.js database [closed]

I'm looking for a database to pair with a node.js app. I'm assuming a json/nosql db would be preferable to a relational DB [I can do without any json/sql impedance mismatch]. I'm considering: ...
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o

Getting strange behavior when calling function outside of a closure: 9 Answers 9 ...
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Why do we copy then move?

I saw code somewhere in which someone decided to copy an object and subsequently move it to a data member of a class. This left me in confusion in that I thought the whole point of moving was to avoid copying. Here is the example: ...
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Can JSON start with “[”?

From what I can read on json.org , all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON. ...
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How to assign the output of a command to a Makefile variable

I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5). ...
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Making a div vertically scrollable using CSS

... 7 Answers 7 Active ...
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Get top n records for each group of grouped results

The following is the simplest possible example, though any solution should be able to scale to however many n top results are needed: ...
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What does middleware and app.use actually mean in Expressjs?

Almost every Express app I see has an app.use statement for middleware but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please? ...
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How to apply two CSS classes to a single element

Can i apply 2 classes to a single div or span or any html element? For example: 7 Answers ...
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Convert string to a variable name

I am using R to parse a list of strings in the form: 10 Answers 10 ...