http://www.altera.com/literature/hb/max2/max2_mii51009.pdf The open-drain pin never drives high, only low or tri-state. When the open-drain pin is active, it drives low. When the open-drain pin is inactive, the pin is tri-stated and the trace pulls u…
XAPP906 Supporting Multiple SD Devices with CoolRunner-II CPLDs There has been an increasing demand to add multiple Secure Digital (SD) devices in a single system. Whether the system application calls for a combination of SD memory ports, 802.11 SDIO…
Delphi XE5 Device compatibility    https://docs.google.com/spreadsheet/ccc?key=0AoEN2CEsVvJ0dGhVaWJEdWRJTVYzZ1NKT2NoQkF4N3c&usp=sharing#gid=0     看看支持的手机型号,里面有华为等几个测试不成功的…
2.Device Compatibility(设备兼容性)   Android is designed to run on many different types of devices, from phones to tablets and televisions. As a developer, the range of devices provides a huge potential audience for your app. In order for your app to be s…
环境: Spark2.1.0 .Hadoop-2.7.5   代码运行系统:Win 7在运行Spark程序写出文件(savaAsTextFile)的时候,我遇到了这个错误: // :: ERROR Utils: Aborting task java.lang.UnsatisfiedLinkError: org.apache.hadoop.util.NativeCrc32.nativeComputeChunkedSumsByteArray(II[BI[BIILjava/lang/String;JZ…
Android is designed to run on many different types of devices, from phones to tablets and televisions. As a developer, the range of devices provides a huge potential audience for your app. In order for your app to be successful on all these devices,…
在idea和eclipse中调试hadoop中hdfs文件,之前好好的,结果突然就出现java.lang.UnsatisfiedLinkError: org.apache.hadoop.util.NativeCrc32.nativeComputeChunkedSumsByteArray(II[BI[BIILjava/lang/String;JZ)V 的报错,查询网上的各种资料之后都说:“需要选择正确的版本并且在 Hadoop/bin和 C:\windows\system32 上添加/替换 ‘ha…
import标签 就是把其他的ftl页面引用进来 <#import "/common/ui.ftl" as ui> 使用时 <@ui.message/>,message是存在于/common/ui.ftl文件内的macro assign标签 这个标签就是单纯的赋值语句,例如我们在后台放到modelmap里一个javabean modelmap.put("javabean", javabean); 前台就可以使用assign把javabean的…
1. 通过error -6得到: #define ENXIO            6      /* No such device or address */ 2. 解决办法 使能CONFIG_BLK_DEV_RAM选项: CONFIG_BLK_DEV_RAM=y 同时请注意以下选项: CONFIG_BLK_DEV_RAM_COUNT=16 (默认值为16) CONFIG_BLK_DEV_RAM_SIZE=4096 (默认值为4096, 单位为KB(kilobytes))…
1. 解决办法:在内核配置时候文件系统中选中Root file system on NFS…