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source of historical stock data [closed]

I'm trying to make a stock market simulator (perhaps eventually growing into a predicting AI), but I'm having trouble finding data to use. I'm looking for a (hopefully free) source of historical stock market data. ...
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Abstract classes in Swift Language

Is there a way to create an abstract class in the Swift Language, or is this a limitation just like Objective-C? I'd like to create a abstract class comparable to what Java defines as an abstract class. ...
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Handling optional parameters in javascript

I have a static javascript function that can take 1, 2 or 3 parameters: 12 Answers 12 ...
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Submit form on pressing Enter with AngularJS

In this particular case, what options do I have to make these inputs call a function when I press Enter? 12 Answers ...
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Android: How can I get the current foreground activity (from a service)?

Is there a native android way to get a reference to the currently running Activity from a service? 12 Answers ...
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JavaScript displaying a float to 2 decimal places

I wanted to display a number to 2 decimal places. 10 Answers 10 ...
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How to resume Fragment from BackStack if exists

I am learning how to use fragments. I have three instances of Fragment that are initialized at the top of the class. I am adding the fragment to an activity like this: ...
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?

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How to return result of a SELECT inside a function in PostgreSQL?

I have this function in PostgreSQL, but I don't know how to return the result of the query: 2 Answers ...
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Creating Unicode character from its number

I want to display a Unicode character in Java. If I do this, it works just fine: 13 Answers ...