Pick From http://www.blogjava.net/miaoyachun/archive/2015/09/17/427366.html After Centos 7.1 tobe installed on my t400, my wireless link "Intel 5100 AGN" cannot be managed by NetworkManager, which show in "PCI unknown" state. Googled m…

Sample code: \begin{figure*} \centering % Requires \usepackage{graphicx} \includegraphics[width=7in]{a.eps} \caption{(b)-(e) Human-study interfaces for (a) with increasingly more contextual information.}\label{} \end{figure*} Error: Answer: 错误原因:很简单,…

Nimbus HA feature is quite important for our application running on the storm cluster. So, we've been working on the problem for some time and now a solution seems not that perfect but be enough to apply has comed out. Numbus的高性能特征对于运行在Storm上的应用来说是相当…

Introduction Version control has become an indispensable tool in modern software development. Version control systems allow you to keep track of your software at the source level. You can track changes, revert to previous stages, and branch off from…

A method, a system, an apparatus, and a computer program product are presented for an authentication process. A host application or system within a distributed data processing system supports one or more controlled resources, such as a legacy applica…

Radio Basics for RFID The following is excerpted from Chapter 3: Radio Basics for UHF RFID from the Book, The RF in RFID: Passive UHF RFID in Practice by Daniel M. Dobkin. Order a copy of The RF in RFID: Passive UHF RFID in Practice before December 3…

Configuration Problems Q: I created a bridge and added my Ethernet port to it, using commands like these: ovs-vsctl add-br br0 ovs-vsctl add-port br0 eth0 and as soon as I ran the "add-port" command I lost all connectivity through eth0. Help! A:…

转自conky 配置变量表 项目主页:http://conky.sourceforge.net/ 文档说明:http://conky.sourceforge.net/docs.html Variable Arguments () = optional Explanation acpiacadapter (adapter) ACPI ac adapter state. On linux, the adapter option specifies the subfolder of /sys/clas…

以前使用iwconfig来配置和获取wireless的信息,目前openwrt已经废弃这种方式,采用 iwinfo 和 iw 命令来进行替代. iwinfo的使用方法如下: root@hbg:/# iwinfo -hUsage:        iwinfo <device> info                        // 查看设备信息        iwinfo <device> scan                       // 扫描周围ssid      …

Linux Essentials Certification Globbing ls ?.txt --- ? stands for one character while * means one or more characters ls [F]*.txt --- list file starting with F ls [F]*.txt --- list file starting with F ls f[igh] --- the first character is f, but the s…