Oracle连接字符串报错误ORA-01722:无效数字的解决方法,如下函数,用来查出名字相似于某字符串create or replace function f_GetUsers(key in varchar2, p_cursor out pkg_test.myrctype) return number is Result number; begin open p_cursor for SELEC…
常见的内存泄漏陷阱 Whether you’re new to git or a seasoned veteran there are a few pitfalls that will snare us all on occasion. Nothing too serious, more on the side of frustrating; and likely the cause of embarrassment as opposed to actual danger. After …
from http://blog.jobbole.com/49229/ 说明:本文分为三部分内容,第一部分为一道百度面试题Top K算法的详解;第二部分为关于Hash表算法的详细阐述;第三部分为打造一个最快的Hash表算法。 第一部分:Top K 算法详解 问题描…