Jay 发布的文章

man bash redirection


目录 [隐藏]I. REDIRECTIONRedirecting InputRedirecting OutputAppending Redirected OutputRedirecting Standard Output and Standard ErrorAppending Standard Output and Standard ErrorHere DocumentsHere StringsDuplicating File DescriptorsMoving File DescriptorsOpening File Descriptors for Reading and Writi...

理解json 数据类型


json string和亮哥对json的数据类型有了争议,这里直接dump http的post 数据。分析如下post数据的false值。{ "isSaas": false, "update_server_url": "http://update.xxxxx.com", "hd_package_version": "4.0.4", "is_monitor": false, "serialNumber": "19000101001"...

beyond compare 使用记录


beyond compare notesbeyond compare 4 key H1bJTd2SauPv5Garuaq0Ig43uqq5NJOEw94wxdZTpU-pFB9GmyPk677gJ vC1Ro6sbAvKR4pVwtxdCfuoZDb6hJ5bVQKqlfihJfSYZt-xVrVU27+0Ja hFbqTmYskatMTgPyjvv99CF2Te8ec+Ys2SPxyZAF0YwOCNOWmsyqN5y9t q2Kw2pjoiDs5gIH-uw5U49JzOB6otS7kThBJE-H9A76u4uUvR8DKb+VcB rWu5qSJGEnbsXNfJdq5L2D8...

chromium is‘t full screen


chromium is‘t full screen/usr/sbin/lightdm \_ /usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch \_ lightdm --session-child 13 16 \_ /usr/bin/lxsession -s LXDE -e LXDE \_ /usr/bin/unclutter -idle 1 -root \_ /usr/bin/ssh-agent /usr/bin/dbus-l...

lightdm


目录 [隐藏]I. 什么是DM?II. 设计目标III. DefinitionsIV. RequirementsV. ImplementationVI. Inter-process Relationships LightDM DesignI. 什么是DM?DM(显示管理器)功能如下:启动和管理本地实例化的X Server;用户认证;启动和管理用户回话(常用情景);在boot过程中,单例启动X 服务器和开始一个用户会话((kiosk mode));在boot过程中,单例启动 X服务器,显示用户登录界面,在连接时启动用户会话;支持多用户同时登录,用户选择具体用户登录,...

Platform Devices and Drivers


目录 [隐藏]I. Platform devicesII. Platform driversIII. Device EnumerationIV. Legacy Drivers: Device ProbingV. Early Platform Devices and Drivers Platform Devices and DriversSee <linux/platform_device.h> for the driver model interface to the platform bus: platform_device, and platfor...

flash partition fs overview


目录 [隐藏]I. NandFlashII. 分区分区类型分区原理III. 文件系统功能EXT 历史文件系统修复FSDebugFlash 文件系统的选择 flash partition fs overviewI. NandFlashnand flash对于NandFlash的认识尝试不做更多理解,只需要了解非易失存储、擦除寿命有限、通常是10K级别,同时写操作需要基于Page来。没有办法按照内存的存储基本单位字节来操作,由多个Page组成一个Block 每个 Page保留 一些字节用以 做ECC ( error correcting code )校验。通常按照如下分布。...

hi3798cv200 android 编译


目录 [隐藏]I. sdk 目录结构II. 初始化编译环境javagccIII. 烧写固件schdoIV. Troubleshootingsapt update failedgcc not foundrequired java version is: "1.7.x"hi3798cv200 android compilesdk 百度云下载 密码:w11f开发环境搭建和初次编译参考Android 解决方案 开发指南.pdf- >开发环境配置烧写工具HiTool-STB-3.1.35.zip 会在成功编译镜像后自动拷贝到out文件夹。$ sudo find / -name HiT...

a64 sdk pack tool


目录 [隐藏]I. boot0II. u-bootIII. sys_configIV. dtsV. boot-resouceVI. bootimg(kernel+ramdisk)VII. rootfs pack tool编译打包相关脚本文件。vim -p build.sh buildroot/scripts/mkcommon.sh buildroot/scripts/mkcmd.sh tools/pack/pack I. boot0拷贝tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin到out...

android boot image


android boot image全志 a64 linux sdk采用了android 的boot image,这里顺着该sdk系统理解android的引导镜像。如下linux-3.10/scripts/build.sh 代码片段显示,在完成内核编译后,改脚本直接将kernel的二进制可执行文件和cpio的gzip压缩包rootfs.cpio.gz 一起合并进入boot.img。#linux-3.10/scripts/build.sh line.27 export MKBOOTIMG=${LICHEE_TOOLS_DIR}/pack/pctools/linux/android/mkbo...