GPIO LED AND KEY: part1:gpio leds and gpio btns combination. (include 1~4) part2:use gpio btns interrupt to trigger led on and off. (include 5, 6, 7) part3:some useful tips. (include 8) my vivado & sdk projects ( ready to download): 1.custom_ip ( onl…

The best way to learn a programming language is to write a lot of code and read a lot of code.…

1.配置环境说明 spark:5台zybo板,192.168.1.1master,其它4台为slave hadoop:192.168.1.1(外接SanDisk ) 2.单节点hadoop测试: 如果出现内存不足情况如下: 查看当前虚拟内存容量: free -m cd /mnt mkdir swap cd swap/ 创建一个swap文件 dd if=/dev/zero of=swapfile bs=1024 count=1000000 把生成的文件转换成swap文件 mkswap swapfi…

创建zybo cluster的spark集群(计算层面): 1.每个节点都是同样的filesystem,mac地址冲突,故: vi ./etc/profile export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH export JAVA_HOME=/usr/lib/jdk1.7.0_55 export CLASSPATH=.:$JAVA_HOME/lib/tools.jar export PA…

在zed的PS端运行spark(已成功): (1)设置uboot为sd卡启动rootfs: "sdboot=if mmcinfo; then " \                         "run uenvboot; " \                         "echo Copying Linux from SD to RAM... && " \                         "…

移植android3.3到ZedBoard follow doc:Android移植Guide1.3.pdf follow website: http://elinux.org/Zedboard_Android (1)在Ubuntu12.04LTS下安装编译所需环境: sudo apt-get install git gnupg flex bison gperf build-essential \ zip curl libc6-dev libncurses5-dev:i386 x11proto-…

矩阵相乘的例子 参考博客:http://blog.csdn.net/kkk584520/article/details/18812321 MatrixMultiply.c typedef int data_type; #define N 5 void MatrixMultiply(data_type AA[N*N],data_type bb[N],data_type cc[N]) { int i,j; for(i = 0;i<N;i++) { data_type sum = 0; for(j =…

Teach Yourself Programming in Ten Years——用十年教会自己编程 作者:Peter Norvig 译者:刘海粟 本文原文为:http://norvig.com/21-days.html 该翻译文档的PDF版可以在这里获得:http://download.csdn.net/source/2983778 为何万事都如此仓促? 随便走进一家书店,你就能看到<7天学会Java>以及各种万变不离其宗的书籍,形如:在数天或是数小时内学会Visual Basic.Wind…

https://stackify.com/learn-go-tutorials/ What is Go Programming Language? Go, developed by Google in 2009, is a programming language that provides support for features such as garbage collection, type safety, and dynamic types, to name a few. It is o…

https://stackify.com/learn-nodejs-tutorials/ What is Node.js? Node.js can be defined as a dynamic, cross-platform and open-source JavaScript framework or runtime environment that is built on the Google Chrome JavaScript V8 engine. Node.js, developed…