Android TextView
Android TextView
画横线
TextView tv = (TextView) findViewById(R.id. text_view );
// 中间加横线 ， 添加Paint.ANTI_ALIAS_FLAG是线会变得清晰去掉锯齿
tv.getPaint().setFlags(Paint.STRIKE_THRU_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG );
// 底部加横线 ， 添加Paint.ANTI_ALIAS_FLAG是线会变得清晰去掉锯齿
tv .getPaint().setFlags(Paint. UNDERLINE_TEXT_FLAG | Paint.ANTI_ALIAS_FLAG );
tv.setPaintFlags...
Mybatis
Mybatis
返回ID
oracle 通过序列创建id, mysql 有自增字段
<insert id="insertSelective" useGeneratedKeys="true" keyProperty="sid" parameterType="com.teamsun.base.entity.SysProject">
<selectKey resultType="java.lang.Long" keyProperty="sid" order="AFTER" >
SELECT LAST_INSERT_ID() as sid
</selectKey>
</insert>
Refere...
Linux install package By iso
Linux install package By iso
[media]
name=Redflag x86_64 Linux 7 - media
baseurl=file://mnt
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redflag-7-x86_64
yum install --disablerepo=\* --enablerepo=media -y install <rpm>
Reference
Android Widget
Android Widget
1. widgets分类
Information widgets
Collection widgets
Control widgets
Hybrid widgets
2. Widgets组件
AppWidgetProviderInfo
AppWidgetProvider
AppWidgetProvider
onUpdate() :
onAppWidgetOptionsChanged()
onDeleted(Context, int[])
onEnabled(Context)
onDisabled(Context)
onReceive(Context, Intent)
Use coll...
Oracle to mysql
Oracle to mysql
Oracle 表名和表别名不区分大小写, mysql区分; 字段名称都不区分大小写
ID改成自增, 去掉ORACLE序列语句, 不插入ID
递归
使用WITH语句, [MySQL
Recursive CTE (Common Table Expressions)](https://www.geeksforgeeks.org/mysql-recursive-cte-common-table-expressions/)
oracle:
SELECT P.SID, P.PRJ_NAME
FROM TB_SYS_PROJECT P
CO...
FFmpeg use GPU in linux
FFmpeg use GPU in linux
Reference
How to install FFmpeg with NVIDIA GPU acceleration on Linux
Python asyncio
Python asyncio
high-level APIs
Coroutines and Tasks
async/await
asyncio.run() 运行coroutines顶级入口点
asyncio.create_task() 创建并发coroutines任务
asyncio.TaskGroup() 3.11 替代asyncio.create_task
一个对象如果可以使用await, 那么就说这个对象是awaitables
asyncio库的对象, 大多数是awaitables
coroutine function: an async def function;
coroutine object: an object returned by c...
Linux 安装python3.6
Linux 安装python3.6
wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
Reference
linux centos7 安装python3.6 替换默认python2.7
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