I been confused years ago. Till recently I collected my thoughts together, and now I am clear about UNICODE. My company is using WinXP Simplified Chinese ver., it uses GBK(i.e. CP_936) as its Chinese char transfer standard. So when I wrote .cpp files…

Source: http://www.liaoxuefeng.com/ ❤ Escape character: '\' - '\n': newline; - '\t': tab; - '\\': \; - r'...': no transferring for contents within single quotes; - '''...''': multiple lines within triple quotes: could start a new line with ENTER dire…

本文及后续文章,Redis版本均是v3.2.8 上篇文章<Redis数据结构之robj>,我们说到redis object数据结构,其有5中数据类型:OBJ_STRING,OBJ_LIST, OBJ_SET,OBJ_ZSET,OBJ_HASH.集合对象set有着广泛的实际业务应用场景,它包含的元素无序并且不能重复及集合间的交.并.差等基础的操作.本篇就来说说Redis暴露给我们使用的set集合对象的底层实现-intset. 其实,可以理解为有序整型集合 intset是一个由整数组成的有序集合,…

Base64 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1255    Accepted Submission(s): 564 Problem Description Mike does not want others to view his messages, so he find a encode method Base64.…

Base64 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 245    Accepted Submission(s): 119 Problem Description Mike does not want others to view his messages, so he find a encode method Base64.…

intset介绍 intset 整数集合,当一个集合只有整数元素,且元素数量不多时,Redis 就会用整数集合作为集合键的底层实现. redis> SADD numbers 1 3 5 7 9 (integer 5) redis> OBJECT ENCODING numbers (inset) 为什么要用 intset? 集合键的另外一种实现是值为空的散列表(hash table),当元素比较少时,用hash table 存就比较浪费内存,而用 intset 就比较节约内存. 整数集合实现 i…

环境: mysql:mysql-5.1.65 centos:centos 6.5 编译命令: gcc -o chinesetopinyin chinesetopinyin.c -L/usr/lib/mysql -lmysqlclient -I/usr/include/mysql 源代码: #include <mysql/mysql.h> #include <stdio.h> #include <string.h> void ChineseToPinyin(char *p…

Configure Amazon RDS mysql to store Chinese Characters https://dev.mysql.com/doc/refman/5.7/en/charset-applications.html http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-rds-database-instance.html#cfn-rds-dbinstance-charac…

  文房四宝 笔墨纸砚是中国古代文人书房中必备的宝贝,被称为“文房四宝”.用笔墨书写绘画在 中国可追溯到五千年前.秦(前221---前206)时已用不同硬度的毛和竹管制笔:汉代(前206—公元220)以人工制墨替代了天然墨:有了纸张之后,简牍锦帛逐失其用:砚台则随笔墨的使用而发展.“文房四宝”到宋朝(960--1279)以后特指湖笔(浙江湖州).徽墨(安徽徽州).宣纸(安徽宣州).端砚(广东肇庆,古称端州).可以说文房四宝书写了整个中华文明. The writing brush, inkstic…

Chinese Mahjong Mahjong () is a game of Chinese origin usually played by four persons with tiles resembling dominoes and bearing various designs, which are drawn and discarded until one player wins with a hand of four combinations of three tiles each…