Posts by Luis Felipe • 136 points
3 posts
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7
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viewsQ: How to use Stream.reduce() appropriately
My problem: I have an Arraylist of the type of Routes (first value is the name of the city, second value is the destination city and the third value at distance), I want to create a new map…
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viewsA: Do irreversible operations exist?
They exist, and are called Hash functions. "It is a method to transform data in such a way that the result is (almost) unique. In addition, functions used in cryptography ensure that it is not…
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viewsA: Relationship between two tables
the way it is modeled, change the: time1: VARCHAR(50) of tbl_games by a foreign key of id_Times. The same for the: time2: VARCHAR(50) so when you create a match on the table games, you will have 2…