ORA-03113:通信通道的文件结尾。 由来 今天跟往常一样,登陆PL/SQL,确登陆失败,出现一个错误“ORA-01034 ...
零.Hive的几种常见的数据导入方式常用的的有三种:1.从本地文件系统中导入数据到Hive表;2.从HDFS上导入数 ...
innodbACID,事务是访问并可能更新各种数据项的一个程序执行单元。 innoDB引擎遵循ACID原则,ACID主要指: ...
AIX-maxuproc参数案例,AIX对很多资源都是有限制的,例如用户能创建的最大进程数限制,用参数maxuproc表示, ...
第二章:数据仓库环境a. 定义i. 数据仓库是一个面向主题的、集成的、非易失的、随时间变化的用来支持管理人 ...
如何获取最后一条数据 条件:以ID为例,获取最后一个id的数据 where username='admin' 可不写,写了就是use ...
Nginx配置,ginx是lgor Sysoev为俄罗斯访问量第二的rambler.ru站点设计开发的。从2004年发布至今,凭借开源 ...
数据库的多表连接查询。员工表(employeeTB) 员工编号 员工姓名 部门编号 employeeid name detID 0001 ...
悲观锁:  顾名思义,很悲观,就是每次拿数据的时候都认为别的线程会修改数据,所以在每次拿的时候都会给 ...
1. 原始单据与实体之间的关系   数据库表设计原则技巧。可以是一对一、一对多、多对多的关系。在一般情况 ...
乐观锁和悲观锁简介,为什么需要锁(并发控制)?   在多用户环境中,在同一时间可能会有多个用户更新相同 ...
索引类型及其区别。 逻辑上: Single column 单行索引 Concatenated 多行索引 Unique 唯一索引 NonUnique 非 ...
I’m an academic librarian and I saw Alison speak at a library conference a few years ago. She was g ...
Custom ELF program headers―what, why and how A couple of times recently I've found myself wanting ...
Nvidia released today a new short-lived graphics driver for GNU/Linux, FreeBSD, and Solaris operatin ...

Making more use of MHL files

[ 2017-02-15 17:31:02 | by 店小二03 ]
As mentioned before, we feel that Media Hash Lists are the perfect sidecar for offloads. However, t ...
This is the secondin a multi-part series on how to build a Linux-based home server.See Part 1. ...

mysql学习六索引基本操作

[ 2017-02-15 17:33:01 | by 店小二04 ]
索引就像书的目录一样。主要是为了提高从表中检索数据的速度。 以下情况适合创建索引 经常被查询的字 ...

binsite 3.2上线

[ 2017-02-15 17:34:02 | by 店小二04 ]
从3.1起,功能和界面都不会进行大改了,也没什么TODO日程了,主要是对日常使用中发现的bug进行修补,然后每 ...
Posted February 12th, 2017 byAshish Datta A feature request we get fairly frequently is the a ...
Looking for a Node.js MVC framework that looks like Laravel (PHP framework), Django (a python framew ...
Researchers in Europe have developed a way to exploit a common computer processor feature to bypass ...
Hi! I’m Jules Glegg, a Software Architect working on the League client update. We’ve been fieldin ...
Managing State in Angular Applications Victor Savkin is a co-founder of nrwl.io , prov ...

Thaum

[ 2017-02-15 17:40:02 | by 店小二03 ]
Full disclosure, this is a post about a project a buddy of mine started. Be aware that I'm gonna be ...