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May 02, Comments. Concrete poured in hot weather, low humidity, or high wind can suffer adverse effects if proper adjustments are not made to the process. Among other things, this can include using shade to block direct sunlight or spraying aggregates with cold water to keep them cool. Concrete sets by hydrating. In other words, it sucks up water and forms crystals around the particles in the concrete. The cooler the concrete, the longer this process takes and the more time the crystals have to strengthen.
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Load Factor - coefficient of map usage. In java colelctions the default value is 0. In memory we have a list of Entry objects described below. The fuction was taken from series of experiments which gave good results with default load factor. What if hash key, hashCode will be the same for several elements? In an array the i-th element will contain an entry with the first saved element. It will store a link to the next element. This means that we store an array of linked lists. The worst case of get operation has complexity O n. But in practice the complexity is near O 1.