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Hash the sentence in java 3 Years Ago by Błkèęš Hash the sentence in java Re: Hash tables? 13 Years Ago by rubberman …simply 2-dimension arrays sorted by the key (hash value). The hash value is a mathematical representation of the data … where different data values will result in the same hash value. Hash tables have the ability to deal with this, by…hence the desire to have non-colliding hash algorithms. Generating a good hash can be expensive in terms of CPU … Hash Table template implementation help 18 Years Ago by developer4321 … // HashTable hashTableInt<int>; // // /////////////////////////////////////////// // Each hash entry stores a key, object pair template <typename Data…; } ///////////////////////////////////// // // Class used to iterate over the hash table // ///////////////////////////////////// template <typename Data> class HashTableIterator… Re: Hash Table template implementation help 18 Years Ago by Lazaro Claiborn …// HashTable hashTableInt<int>; // // /////////////////////////////////////////// // Each hash entry stores a key, object pair template <typename Data… } ///////////////////////////////////// // // Class used to iterate over the hash table // ///////////////////////////////////// template <typename Data> class HashTableIterator… Hash Table - Insertion 13 Years Ago by CodeNinjaMike …a duplicate of key while(table[hash]!=NULL && table[hash]->getKey()!=key) //Increment the… a key in place while (table[hash] != NULL && table[hash]->getKey() != key) //Increment … to insert data into on the table hash = (hash + 1) % TABLE_SIZE; //If it's null if … Re: Hash Table template implementation help 18 Years Ago by thekashyap … the existing implementation. 1. Inside insertItem(). [code=C++] int i = hash(key); HashTableEntry<Data> *e = _buckets[i]; while(e…) != 0) { e = e->_next; }[/code] Isn't it that hash() ALWAYS returns same number for same key? If yes, why… Re: Hash Table template implementation help 18 Years Ago by developer4321 …. In regards to your comment on my implementation of the hash() fuction.... each HashTableEntry in _buckets[] actually represents a linked … also very confused) So, yes it is true that hash() will always return the same number for the same key… entry to the linked list for that index in the hash table: e->_next; Hence, [COLOR=#008000]e->… Hash Function in C 12 Years Ago by alex910TN … in a programming language to unique indicies in a hash table. The problem is that the lexemes (provided below…tried so far include: 1. hash= hash + (int)array[i]; //i=0 to i=lexemelength 2. hash= 3 * hash + (int)array[i]; //…same i specs 3. hash= (3*hash) + (int)tolower(array[i]); … Re: Hash Table template implementation help 18 Years Ago by Lazaro Claiborn …, Data & data) { // TODO: Returns the next element in the hash table. // The key and data values are stored in the… Re: Hash Table template implementation help 18 Years Ago by developer4321 …]<LI class=li1> [COLOR=#008000]// Array of the hash buckets.[/COLOR] [*] HashTableEntry<Data> **_buckets; [/LIST]was given… Re: Hash Table template implementation help 18 Years Ago by thekashyap … _size, _filled_buckets[TableSize] ;[/inlinecode] to HashTable. In insertItem() just push hash value (i.e i) into this array. [inlinecode]_filled_buckets[++_size… Hash function...need help... 15 Years Ago by jralexander137 …char[] record) {} public boolean findRecord(char[] record) {} private int hash(char[] key) {} private Disk disk; // disk on which the …. ------------------------------------------------------------------ So if I'm understanding this correctly the Hash function will take a char array of length 27 which… Hash tables, how do they work? 9 Years Ago by Sarkurd …hash_val(seed,args...); } // auxiliary generic function to create a hash value out of a heterogeneous list of arguments template <…no == c2.no; } }; int main() { // unordered set with own hash function and equivalence criterion unordered_set<Customer,CustomerHash,CustomerEqual>… Re: Hash table Implementation 14 Years Ago by Narue …That's always a possibility, but with a decent hash function you won't see enough collisions for the chains…QUOTE]2 . using a separate data stucture , preferably an other hash table[/QUOTE] Tricky to get right because now you need…written such that the client code supplies a hash function. For a double hash, that starts to be a significant workload … Re: Hash function...need help... 15 Years Ago by lookof2day … to [CODE] private int hash(char[] key){ int hashVal = 1; int prime … hashVal = prime * hashVal + key[i]; } System.out.println("Hash Value is: " + hashVal); return hashVal; } [/CODE] You…statements. The given code will generate a hash value for you which you can use as key… Re: Hash function...need help... 15 Years Ago by jralexander137 …++){ while(i < key.length-1){ System.out.println("Hash Val: " + hashVal + "and i val: " + i…hashVal = prime * hashVal + key[i]; i++; } System.out.println("Hash Value is: " + hashVal); return hashVal; } [/code] and here is… Hash table Implementation 14 Years Ago by meet123321 …; struct hnode{ HNODE *link; }; typedef struct { unsigned long (*hash)(const void *); int (*compare)(const void *, const void *); const …*); HNODE **table; unsigned int buckets; unsigned int count; } HASH; The existing implementation caters a huge amount of data. Well… Hash Chaining Issues 13 Years Ago by Stazloz …[TABLE_SIZE]; std::size_t total_records; // HELPER MEMBER FUNCTION std::size_t hash(int key) const; }; } #include "table2.template&… #include "table2.h" // Provides the chained hash table class using namespace std; using namespace main_savitch_12B; // … Hash Table ( display function ) 16 Years Ago by ulquiorra … for some schoolwork I need to make one. The hash table and hashfunction itself aren't the problem. The … = s; int b = 39482; int c = 11923; unsigned int hash = 0; unsigned i; for( i = 0; i < stringHashing…->data.length(); i++ ) { hash = hash * c + stringHashing->data.at(i); c = c * b; } … Re: hash table 15 Years Ago by ankit894u … *hashtable, char *str) { list_t *list; unsigned int hashval = hash(hashtable, str); /* Go to the correct list based on the…char *str) { list_t *new_list; list_t *current_list; unsigned int hashval = hash(hashtable, str); /* Attempt to allocate memory for list */ if ((new_list… Re: Hash function...need help... 15 Years Ago by jralexander137 …...any thoughts/help would be great. [code] private int hash(char[] key){ int hashVal = 0; int tableSize = disk.getSectorCount(); for(… = 37 * hashVal + key[i]; } hashVal %= tableSize; System.out.println("Hash Value is: " + hashVal); return hashVal; } [/code] Hash Table with Separate Chaining 14 Years Ago by ace8957 … * next; };//end node hashNode array[MAX]; public: int hash(string); void prepArray(); void tableInsert(Person p); void tableDelete(string…}//end else } void hashTable::tableInsert(Person p) { int index = hash(p.getPhonenumber()); hashNode *hp = &(array[index]);//hashed position //hashNode… Hash navigation 12 Years Ago by chr.s …each subsequent slide loaded, display the URL with a product hash**. E.g. with the following format: `http://www.…altering (disabling) the browser history on each hash change, as updating the hash results in a new browser history entry … unchanged when browsing through the slides and append the hash only when the details are loaded**. There would be… Re: Hash Table with Separate Chaining 14 Years Ago by IamAuser …Node*>(size); } ~HashTable(){ } void insert(int data){ int index = hash(data); if(buckets->at(index) == NULL){ buckets->at…= p->next; } } void remove(){ } int getSize(){ return size; } int hash(int a){ a = (a+0x7ed55d16) + (a<<12); a… Re: Hash Table Interpreter 9 Years Ago by aeck …;> s); } } else if(s == "++") { //table[hash(temp)].setNum(table[hash(temp)].getNum()+1); while(line >> s); } else… Hash Table 16 Years Ago by BestJewSinceJC … that I go on Wikipedia's page for hash tables. It was actually pretty informative. I'…any suggestions in advance. 1. When does the hash table need to be resized. I know about …Doesn't checking to see how full the hash table is require looking at every index to …the initial capacity of the array that my hash table uses should be? Is it related to… Re: Hash function...need help... 15 Years Ago by ivakadfc I thought the hash function is supposed to give the number of the sector to which the first record will be saved. Re: Hash function...need help... 15 Years Ago by jralexander137 My understanding of what the hash function was supposed to do was that given a key, … Re: Hash function...need help... 15 Years Ago by ivakadfc You are correct about this. But I cannot understand why you need firstAllocated to show you where the start is if you know that your hash table is the sectors between 0 and 599. Also the first overflow sector is going to start at 600. Why do you need firstOverflow? I mean i can see why but shouldn't it be private final int or something? Re: Hash function...need help... 15 Years Ago by jralexander137 And for this hash function should I not factor in the null values in the key? Just the locations in the key that have actual char values?