https://blog.youkuaiyun.com/RosickyNewBeezh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/RosickyNewBee/article/details/6076080https://blog.youkuaiyun.com/RosickyNewBee/article/details/6076080RosickyNewBeeTue, 14 Dec 2010 18:41:00 +0800最近工作以及和朋友的交流过程中，有一些重要的知识点一闪而过，且记录下来，将来查资料深入学习：
 
★视频编解码 h264和mpeg是视频的编码格式, avi，rmvb...是视频的封装格式
★视频编解码 i帧 基础信息 a帧 某种偏移量 b帧 另一种偏移量
★字符编码 gb2312，utf8相对于一种编码？]]>https://blog.youkuaiyun.com/RosickyNewBee/article/details/5906140https://blog.youkuaiyun.com/RosickyNewBee/article/details/5906140RosickyNewBeeSat, 25 Sep 2010 23:03:00 +0800最近做了两个关于大数据量的处理任务。这里谈一谈经验。
首先java程序端需要保证质量。
千万数据的处理我首先想到分页，主要是担心一次性load所有数据会撑爆内存。于是会使用oracle中的rownum和mysql中的limit进行分页。实践证明，分页不仅不是内存性能提高的必要手段，还是影响程序时间性能的罪魁祸首。首先谈空间性能j。dbc的ResultSet是采用next迭代子模式来迭代结果集的。理论上应该是数据库游标这样的按需索取的方式。这在oracle中已经实现了，在mys]]>https://blog.youkuaiyun.com/RosickyNewBee/article/details/5905820https://blog.youkuaiyun.com/RosickyNewBee/article/details/5905820RosickyNewBeeSat, 25 Sep 2010 19:07:00 +0800
--------------------------------------------------------------
vim 操作部分
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【复制一行】
1）把光标移动到要复制的行上
2）按yy
3）把光标移动到要复制的位置
4）按p 
【替换】
:s/pattern]]>https://blog.youkuaiyun.com/RosickyNewBee/article/details/5486883https://blog.youkuaiyun.com/RosickyNewBee/article/details/5486883RosickyNewBeeWed, 14 Apr 2010 22:38:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5481946https://blog.youkuaiyun.com/RosickyNewBee/article/details/5481946RosickyNewBeeTue, 13 Apr 2010 17:04:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5478558https://blog.youkuaiyun.com/RosickyNewBee/article/details/5478558RosickyNewBeeMon, 12 Apr 2010 21:29:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5445522https://blog.youkuaiyun.com/RosickyNewBee/article/details/5445522RosickyNewBeeFri, 02 Apr 2010 17:00:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5445494https://blog.youkuaiyun.com/RosickyNewBee/article/details/5445494RosickyNewBeeFri, 02 Apr 2010 16:56:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5411089https://blog.youkuaiyun.com/RosickyNewBee/article/details/5411089RosickyNewBeeWed, 24 Mar 2010 11:23:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5408719https://blog.youkuaiyun.com/RosickyNewBee/article/details/5408719RosickyNewBeeTue, 23 Mar 2010 16:31:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5406950https://blog.youkuaiyun.com/RosickyNewBee/article/details/5406950RosickyNewBeeTue, 23 Mar 2010 10:01:00 +0800Spring Core(Spring Reference 1.1)Ioc]]>https://blog.youkuaiyun.com/RosickyNewBee/article/details/5374807https://blog.youkuaiyun.com/RosickyNewBee/article/details/5374807RosickyNewBeeFri, 12 Mar 2010 17:35:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5374535https://blog.youkuaiyun.com/RosickyNewBee/article/details/5374535RosickyNewBeeFri, 12 Mar 2010 16:35:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5373534https://blog.youkuaiyun.com/RosickyNewBee/article/details/5373534RosickyNewBeeFri, 12 Mar 2010 12:59:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5373350https://blog.youkuaiyun.com/RosickyNewBee/article/details/5373350RosickyNewBeeFri, 12 Mar 2010 11:42:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5363624https://blog.youkuaiyun.com/RosickyNewBee/article/details/5363624RosickyNewBeeWed, 10 Mar 2010 09:45:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5356938https://blog.youkuaiyun.com/RosickyNewBee/article/details/5356938RosickyNewBeeMon, 08 Mar 2010 16:42:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5348555https://blog.youkuaiyun.com/RosickyNewBee/article/details/5348555RosickyNewBeeFri, 05 Mar 2010 11:00:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5341435https://blog.youkuaiyun.com/RosickyNewBee/article/details/5341435RosickyNewBeeWed, 03 Mar 2010 10:54:00 +0800https://blog.youkuaiyun.com/RosickyNewBee/article/details/5341397https://blog.youkuaiyun.com/RosickyNewBee/article/details/5341397RosickyNewBeeWed, 03 Mar 2010 10:47:00 +0800