Nick Samoylov's Blog, page 5

Understand yourself as the product of evolution

The sense of boredom (from getting the same experience again and again) pushed people to look for something new. Those who did, survived better, so the evolution gifted us with not being satisfied with what we have ever.

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Divided brains

The right hemisphere (that manages the left side of our body), among other things, tends to integrate and include, while the left hemisphere looks for a simple solution, better the one already proven to be successful before.

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Java streams 21. Class Optional

The purpose of an object of Optional class is to avoid returning null as it may cause NullPointerException. Instead, an Optional object provides methods that allow checking the presence of a value and substituting it with a predefined value if the return value is null.

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Communism vs Capitalism

The primary difference between communism and capitalism is not “totalitarian” or “democratic.” What delineates them fundamentally is the ownership of the means of production

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Java streams 20. AnyMatch, allMatch, or noneMatch

Terminal operations either return values of other types or do not return anything at all (produce just side effects). They do not allow other operations to be applied and close the stream.

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Java streams 19. Count, forEach, or forEachOrdered

A terminal operation produces side effects or/and a single value. The operation that produces side effects only can be used for an infinite Stream. But the operation that produces a single value never returns any value for an infinite Stream.

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Renaissance Italy stimuli

Renaissance Italy fascinates us, especially since we perceive it as coming from nowhere. Suddenly–from the darkness of Middle Ages–emerges bright and colorful art and productive thoughts. That is how the Italian Renaissance is perceived in popular culture, or used to be perceived, to be precise because that view changes. Historians knew it for quite a […]

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Trust (yourself) but verify

We are motivated by our desires, aren’t we? And it seems that our goal is to indulge ourselves. Would you agree? But not all our desires are equal.

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Java streams 18. FlatMap

This is an intermediate operation that transforms each element of the stream and produces a stream of values of the same or different type by applying the specified function.

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Java streams 17. Map

This is an intermediate operation that transforms each element of the stream and produces a value of the same or different type by applying a specified function.

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