最近做微信公众号开发,涉及到access_token的缓存问题(避免各自的应用都去取access_token,同时解决微信 appid和appsecret的安全问题),在通用权限管理系统底层增加了实现方法: (access_token默认2小时过期,每取一次,上一次的就自动失效,每天取的次数有限制) //----------------------------------------------------------------- // All Rights Reserved , Copyri
假设一组数据:人员进出刷卡数据表[SwingCard] ID MenID Door 1 1 In 2 1 In 3 1 Out 4 1 In 5 1 Out 6 1 Out 想要变成如下:一进一出为一组横着排放,缺少数据的补null MenID Door1 Door2 1 In null 1 In Out 1 In Out 1 null Out 实现: --重新排序,序号为浮点型,装入临时表#Copy select MenID,Door,Row=(Row_Number() over(order
Recreating a missing datafile with no backups (Doc ID 1149946.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 10.2.0.2 and laterInformation in this document applies to any platform.***Checked for relevance on 16-Apr-2014*** GOAL How to