struct hash *my_hash = hash_init(HASH_SIZE, hash_char); // 添加键值对到哈希表中 hash_add(my_hash, "name", "John"); hash_add(my_hash, "age", "30"); // 遍历哈希表并输出键值对内容 hash_foreach(my_hash, key, value) { printf("key: %s, value: %s\n", key, value); } /...
intmain(intargc,char* argv[]){inti;intnums; FDATA fdata; Hash AddHash; BigFile DestBigFile; BigFile SourceBigFile; BigFileEntry *bfe;intnumok,numnew,numupdated;intsourcetype;boolupdate;char*p1=0;char*p2=0;char*p3=0;inttosspath=0; DataHandle addhandle;intvargc;char**vargv; vargc=argc...
v = (long) (SHM_RDONLY);hash_add("SHM_RDONLY", (char*) &v,sizeof(long)); v = (long) (SHM_RND);hash_add("SHM_RND", (char*) &v,sizeof(long)); v = (long) (SHM_LOCK);hash_add("SHM_LOCK", (char*) &v,sizeof(long)); v = (long) (SHM_UNLOCK);hash_add("SHM_UNLO...
package cn.bytecollege;import java.util.HashSet;import java.util.Set;public class HashSetDemo {public static void main(String[] args) {String str = "HelloWorld";//将字符串转换成字符数组char[] ch = str.toCharArray();Set<Character> set = new HashSet<>();//遍历字符数组将所有元素...
data.Add(Hash(item), item); } 既然数据项必须作为键值对添加到散列表中,所以通过添加要加入到集合内的数据项字符的 ASCII 码值的方法 就可以计算散列值。下面是 Hash 方法: privatestringHash(Object item) {char[] chars;strings =item.ToString();inthashValue =0; ...
char val[] = value; int len = count; for (int i = 0; i < len; i++) { h = 31*h + val[off++]; } hash = h; } return h; } 解释一下这个程序(String的API中写到): s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1] 使用 int 算法,这里 s[i] 是字符...
char *cmdname = c->argv[0]->ptr; if (cmdname[1] == 's' || cmdname[1] == 'S') { /* HSET */ addReplyLongLong(c, created); } else { /* HMSET */ addReply(c, shared.ok); } signalModifiedKey(c,c->db,c->argv[1]); ...
//String类中重写hashCode()publicinthashCode() {inth =hash; //默认0if(h == 0 && value.length > 0) {charval[] =value;for(inti = 0; i < value.length; i++) { h= 31 * h +val[i]; } hash=h; }returnh; } 在类中equals()和hashCode()重写思路: ...
create table T1 (a int, b int, x char(200)) create table T2 (a int, b int, x char(200)) create table T3 (a int, b int, x char(200)) set nocount on declare @i int set @i = 0 while @i < 1000 begin insert T1 values (@i * 2, @i * 5, @i) ...
從系統字串轉換成 Char 將影像從資料庫複製到 PictureBox 控制件 以程序設計方式建立 SQL Server 資料庫 無法連線到 SQL Server 實例 使用XPathNavigator 瀏覽 XML 追蹤和偵錯 使用ComboBox 編輯 ListView 中的數據 單一實例應用程式當機 C++ Visual Basic ...