I open several files in Vim by, for example, running vim a/*.php which opens 23 files. I then make my edit and run the following twice :q which closes all my buffers. How can you close only one buffer in Vim? Answer: A word of caution: "w does not st…
1.1 NIO Buffers - Class java.nio.Buffer NIO data transfer is through the so-called buffers implemented in java.nio.Buffer class. A Buffer is similar to an array, except that it's implemented much more efficiently by closely coupled with the underlyin…
waylau/netty-4-user-guide: Chinese translation of Netty 4.x User Guide. 中文翻译<Netty 4.x 用户指南> https://github.com/waylau/netty-4-user-guide Rich Buffer Data Structure 丰富的缓冲实现 · GitBook https://waylau.com/netty-4-user-guide/Architectural%20Overview/Ric…
waylau/netty-4-user-guide: Chinese translation of Netty 4.x User Guide. 中文翻译<Netty 4.x 用户指南> https://github.com/waylau/netty-4-user-guide Rich Buffer Data Structure 丰富的缓冲实现 · GitBook https://waylau.com/netty-4-user-guide/Architectural%20Overview/Ric…
一.编译安装 首先到官网下载iozone的稳定版源码 http://www.iozone.org/ 然后解压编译 tar -vxf iozone3_458.tar cd iozone3_458/src/current make linux-AMD64 最后生成了iozone的可执行文件; 二.使用说明 ./iozone -h查看运行参数 [root@localhost iozone3_458]# ./iozone -h iozone: help mode Usage: iozone [-s fi…
在上一篇中,我们介绍了Ext3文件系统的日志可以看做一个文件,由JBD进行管理.自然而然引出如下这些问题: 1)如何定位ext3日志文件和查看日志文件的裸数据? 2)ext3日志文件数据在物理上是如何布局的? 3)JBD如何利用日志文件进行数据恢复? 带着这些问题,开始这次探索之旅. JBD日志定位 首先找到ext3 日志文件的inode / # /dumpe2fs /dev/sda1 dumpe2fs 1.42 (29-Nov-2011) Filesystem volume name: sho…
import java.util.HashMap;import java.util.Map; import org.slf4j.Logger;import org.slf4j.LoggerFactory; import com.yunva.vertx.test.vertproject.util.JsonUtil; import io.vertx.core.http.HttpServer;import io.vertx.core.http.HttpServerOptions;import io.v…
The Go Blog Errors are values 12 January 2015 A common point of discussion among Go programmers, especially those new to the language, is how to handle errors. The conversation often turns into a lament at the number of times the sequence if err != n…
RAC: Frequently Asked Questions [ID 220970.1]   修改时间 13-JAN-2011     类型 FAQ     状态 PUBLISHED   Applies to: Oracle Server - Enterprise Edition - Version: 9.2.0.1 to 11.2.0.1 - Release: 9.2 to 11.2 Purpose Frequently Asked Questions for Real Applicatio…
因近期工作调整,关于Mediacodec部分的翻译会暂停,后续有时间一定补上,非常抱歉. 本文章为根据Android Mediacodec官方英文版的原创翻译,转载请注明出处:http://www.cnblogs.com/xiaoshubao/p/5368183.html 从API 16开始,Android提供了Mediacodec类以便开发者更加灵活的处理音视频的编解码,较MediaPlay提供了更加完善.丰富的操作接口,具体参见API原始地址. 因为原始文章较长且没有找到对应较为完善的中文说…