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Maximum single-sell profit

Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit. ...
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Is there a wikipedia API just for retrieve content summary?

...ext. Query Getting Stack Overflow's intro in plain text: Using page title: https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow or use pageids https://en.wikipedia.org/w/api.php?format=json&actio...
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psycopg2: insert multiple rows with one query

I need to insert multiple rows with one query (number of rows is not constant), so I need to execute query like this one: 1...
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What are the differences between Rust's `String` and `str`?

Why does Rust have String and str ? What are the differences between String and str ? When does one use String instead of str and vice versa? Is one of them getting deprecated? ...
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In c# is there a method to find the max of 3 numbers?

Like Math.Max but takes 3 or params of int? 10 Answers 10 ...
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How can I write text on a HTML5 canvas element?

... Here the demo for this, and you can try your self for any modification: http://okeschool.com/examples/canvas/html5-canvas-text-color share | improve this answer | follow ...
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How to set child process' environment variable in Makefile

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How to use the 'sweep' function

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Declare a constant array

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How do you cast a List of supertypes to a List of subtypes?

For example, lets say you have two classes: 17 Answers 17 ...