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ruby访问memcache[使用memcache-client1.7.0]
require 'memcache' cache = MemCache::new ['10.2.225.208:13001', '10.2.225.208:13002', '10.2.225.208:13003:3'], # weighted :debug => true, :c_threshold => 100_000, :compression => false, :namespace => 'foo' cache.servers += [ "10.2.225.208:13004:5" ] cache.c_threshold = 10_000 cache.compression = true cache["my_key"] = "Some
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[Z]Oracle 的随机数、随机日期和时间、随机字符串
1. 随机数包SELECT DBMS_RANDOM.VALUE FROM DUAL;2. 在[0..100]范围内取随机数SELECT TRUNC (DBMS_RANDOM.VALUE (0, 100)) FROM DUAL;3. 大小写混合的10个字符随机字符串SELECT DBMS_RANDOM.STRING ('A', 10) FROM DUAL;4. 单个小写随机字符SELECT CHR (ROUND (DBMS_RANDOM.VALUE (97, 122))) FROM DUAL;5. 在过去10天内取随机日期SELECT TO_DATE (TRUNC (DBMS_RANDOM.VALUE (TO_NUMBER (TO_CHAR (SYSDATE - 10, 'J'
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ROR中h()方法和sanitize的区别
http://blackanger.blog.51cto.com/140924/29018[@more@]
