Online Google Dictionary

rehash 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/rēˈhaSH/,
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rehashed, past tense; rehashed, past participle; rehashing, present participle; rehashes, 3rd person singular present;
  1. Put (old ideas or material) into a new form without significant change or improvement
    • - he contented himself with occasional articles in journals, rehashing his own work
  2. Consider or discuss (something) at length after it has happened
    • - is it really necessary to rehash that trauma all over again?
Noun
  1. A reuse of old ideas or material without significant change or improvement
    • - the spring show was a rehash of the summer show from the previous year
  1. old material that is slightly reworked and used again; "merely a dull rehash of his first novel"
  2. present or use over, with no or few changes
  3. retrograde: go back over; "retrograde arguments"
  4. In computer science, a hash table or hash map is a data structure that uses a hash function to map identifying values, known as keys (e.g., a person's name), to their associated values (e.g., their telephone number). ...
  5. (Rehashing) Double hashing is a computer programming technique used in hash tables to resolve hash collisions, cases when two different values to be searched for produce the same hash key. It is a popular collision-resolution technique in open-addressed hash tables.
  6. Something reworked, or made up from old materials; To rework old material (physical material, ideas, documents etc), redo some work, with some variations
  7. (rehashing) insert (C and Pascal), search (C and Pascal)
  8. to apply a different hashing function to a key when a collision occurs.