NALU Type Codes
NAL Unit Type codes
Ubuntu挂载ZFS磁盘
Ubuntu版本：ubuntu-17.04-desktop-amd64 由于 Ubuntu 17.04 仓库中自带的 ZFS 版本过低，系统提示： pool is formatted using a newer zfs version 在这种情况下，可以直接下载 ZFS 的源代码进行安装，官方网站地址为 http://zfsonlinux.org , 先下载 spl 代码进行 configure、make、make install；然后下载 zfs 的代码，同样configure、make、make install，在编译的过程中可能需要安装一些系统缺失的开发库，正常使用apt-get install就好了。 把需要挂载的 ZFS 磁盘接入系统，然后执行fdisk -l可以正确看到你的 ZFS 磁盘。 zpool import zpool import -f 15290421165892444481 上述命令中的 id 由 zpool import的输出决定 spool list zfs set […]
Gerrit: Commit Message Length Configuration
Commit Message Length Configuration This plugin checks the length of a commit’s commit message subject and message body, and reports warnings or errors to the git client if the lengths are exceeded. The maximum lengths of the subject and message body can be configured in the standard Gerrit config file […]
Gerrit迁移
Gerrit迁移后，首次访问会出现“拒绝访问”错误，解决方案如下： 清除index目录下的索引文件 重建索引 java -jar /home/gerrit2/gerrit_site/bin/gerrit.war reindex
Android Gradle: SDK License Agreements
* What went wrong: A problem occurred configuring project ‘:mi’. > Failed to notify project evaluation listener. > You have not accepted the license agreements of the following SDK components: [Android SDK Build-Tools 25]. Before building your project, you need to accept the license agreements and complete the installation of […]
Shell: 判断系统类型
[code] case “$OSTYPE” in linux*) echo “Set Envs for linux” ;; darwin*) echo “Set Envs for Mac” ;; *) echo “Unsupported OS, Exit” exit 100 ;; esac [/code]
Docker常用命令
列出所有镜像 docker images docker images –format “{{.ID}}: {{.Repository}}” docker images –format “table {{.ID}}\t{{.Repository}}\t{{.Tag}}” 删除 Dangling 镜像 docker rmi $(docker images -q -f dangling=true) 进入容器 docker exec -it name bash Docker Commit docker commit \ –author “name” \ –message “message” \ webserver \ nginx:v2 sha256:000000000….. 以root用户进入Container docker exec -u root -it […]
查询Android设备硬解码能力
/system/etc/media_codecs.xml /system/etc/media_profiles.xml
CSS BOX Model
ref:《Javascript权威指南》
Use Gerrit
Gerrit Workflow Set Permission(Nginx) Create password file htpasswd -c /path/gerrit.password username Add New User htpasswd -m /path/gerrit.password username Nginx Configuration server { listen *:80; server_name gerrit; allow all; deny all; auth_basic “Welcomme to Gerrit !”; auth_basic_user_file /path/gerrit.password; location / { proxy_pass http://127.0.0.1:8080; proxy_set_header X-Forwarded-For $remote_addr; proxy_set_header Host $host; } } […]
htpasswd Usage
Create New Password File [code]htpasswd -c /path/gerrit.password name[/code] Add New User [code]htpasswd -m /path/gerrit.password user[/code]
Android JVM:Specify Java Maximum Heap Size
Gradle Add the following lines to project build.gradle android { dexOptions { javaMaxHeapSize “1g” } } Ant set ANT_OPTS=-Xmx1024m Misc ref: R1 R2
macOS Sierra: Auto load ssh keys
OS: macOS 10.12.3 Create config file in your ssh folder: vi ~/.ssh/config Edit config file: Host * UseKeychain yes AddKeysToAgent yes IdentityFile ~/.ssh/id_rsa_build_server IdentityFile ~/.ssh/id_rsa_mac Replace the path with the path to you keys.
Shell: Count the numbers of lines of code
Exclude empty & Comment lines. [code] find . -name “*.java”|xargs cat|grep -v -e ^$ -e ^\s*\/\/.*$|wc -l [/code]
Manage SSH Key
Generate SSH Key $ ssh-keygen -t rsa -C “[email protected]” Add Key $ ssh-add ~/.ssh/id_rsa Check Saved Keys ssh-add -l Delete All Keys ssh-add -D Start ssh agent If you get the error : “Could not open a connection to your authentication agent.” eval `ssh-agent -s`