ST7735_TFT_RPI
EWAHBoolArray
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ST7735_TFT_RPI | EWAHBoolArray | |
---|---|---|
1 | 1 | |
13 | 435 | |
- | - | |
6.5 | 2.4 | |
2 months ago | 8 months ago | |
C++ | C++ | |
GNU General Public License v3.0 only | Apache License 2.0 |
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ST7735_TFT_RPI
EWAHBoolArray
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How can Spotify’s search by lyrics feature be so ridiculously fast?
You then build an index from words to documents: for each word, you keep the set of documents that contain the word. One way to do this is to number the documents, so your word-to-document index is really a boolean array (less than 40 million boolean array in case of spotify). You may think it is too large, but compressed bitmaps are a thing, with multiple approaches.
What are some alternatives?
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