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实战做项目如何选择开源许可协议(二)- 开放代码 - 开源 & Github - 清泛...
实战做项目如何选择开源许可协议(二)- 开放代码opensource_code通过《实战做项目如何选择开源许可协议(一)-了解协议》大概知道了有哪些开源协议和各个协议的作用和区别。我们准备把代码开放出去时,需...通过《实战做项...
【动图】AppInventor2如何播放gif动图?如何播放动画? - App Inventor 2 ...
...会发现图片不会动,只会展示静态图片。那么问题来了,如何展示动图/动画效果呢?
播放动态图,两种思路:
1、使用网络 url 的 gif 图片,设置为 web 浏览器的链接地址,会自动播放网络动图,一直循环播放不能控制停止,...
糯米推全景地图 让竞争对手们如何接招? - 资讯 - 清泛网 - 专注C/C++及内核技术
糯米推全景地图 让竞争对手们如何接招?【糯米推全景地图 让竞争对手们如何接招?】当然,新美大、腾讯、阿里可以效仿,可以克隆,可以尽快迎头赶上。其实,我很看好阿里能够迎头赶上,但阿里会如我所愿吗?当然,新...
c++ 代码提升权限,请求管理员身份运行权限 - C/C++ - 清泛网 - 专注C/C++及内核技术
...CreateProcess函数,有时会遇到权限不足失败的情况,那么如何提升执行权限呢?使用ShellExecuteEx函数: ------ 普通的启动一个程序使用CreateProcess函数,有时会遇到权限不足失败的情况,那么如何提升执行权限呢?
使用 ShellExecut...
phpmyadmin logs out after 1440 secs
In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database.
24 Answers
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Kill a postgresql session/connection
...g the database.
def drop_database(config)
case config['adapter']
when /mysql/
ActiveRecord::Base.establish_connection(config)
ActiveRecord::Base.connection.drop_database config['database']
when /sqlite/
require 'pathname'
path = Pathname.new(config['database'])
file = path....
“where 1=1” statement [duplicate]
I saw some people use a statement to query a table in a MySQL database like the following:
10 Answers
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How to change the default collation of a table?
... in your answer considering how many views this gets. See here https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html and here What is the difference between utf8mb4 and utf8 charsets in MySQL? – Paulpro Mar 12 at 17:46
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中文网(自研/维护)拓展 · App Inventor 2 中文网
...果是则返回’真’,否则返回’假’。
ResetFirstRun()
重置App的运行状态为第一次运行。
SystemSettings()
跳转到系统设置界面
WirelessSettings()
跳转到无线和网络设置界面
AirPlaneState
Component for AirPlaneState
...
MySQL: @variable vs. variable. What's the difference?
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MySQL has a concept of user-defined variables.
They are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends.
They are prepended with an @ sign, like this: @var
Yo...
