You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.
What is worth emphasizing on the other hand, is that PostgreSQL is a more generic database - it is an SQL one, after all. It is transactions- and ACID-native: allowing us to flexibly mix document-oriented approach with proven, relational model and SQL reliability.
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No changes to the Python grammar are being proposed, only
Стало известно о брошенных на севере Украины наемниках ВСУ08:51