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find the value (if any) that is bound to a given key. The argument to this operation is the key, and the value is returned from the operation. If no value is found, some lookup functions raise an exception, while others return a default value (such as zero, null, or a specific value passed to the constructor).
A dictionary coder, also sometimes known as a substitution coder, is a class of lossless data compression algorithms which operate by searching for matches between the text to be compressed and a set of strings contained in a data structure (called the 'dictionary') maintained by the encoder. When the encoder finds such a match, it substitutes ...
As LMDB is memory-mapped, it can return direct pointers to memory addresses of keys and values through its API, thereby avoiding unnecessary and expensive copying of memory. This results in greatly-increased performance (especially when the values stored are extremely large), and expands the potential use cases for LMDB.
A small phone book as a hash table. In computer science, a hash table is a data structure that implements an associative array, also called a dictionary or simply map; an associative array is an abstract data type that maps keys to values. [2]
Investment approach: Value investor and short-seller, buying high-quality companies that are currently undervalued. Bill Ackman runs Pershing Square Capital Management, and he’s one of the most ...
3. Make Sure You’re Eating Enough at Meals. Why can’t I stop eating between meals? Your body’s going to feel hungry if you’re not getting enough nutrients from food — that’s Biology 101.
How To Make My Cheesy Baked Taco Skillet. To make 4 to 6 servings, you’ll need: 1 pound ground sirloin or 90% lean ground beef. 1 (14.5-ounce) can diced fire-roasted tomatoes, undrained
Note how the algorithm is greedy, and so nothing is added to the table until a unique making token is found. The algorithm is to initialize last matching index = 0 and next available index = 1 and then, for each token of the input stream, the dictionary searched for a match: {last matching index, token}. If a match is found, then last matching ...