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如何实现程序后台运行 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
编制的程序软件，在手机中运行时，程序放在后台或者手机锁屏，计时软件程序就会停止计时，再次切换到前端才可以继续运行，有没有方法能够使程序软件可以在后台锁屏的情况下持续运行。
AppInventor2 如何实现屏幕截屏并将图片拷贝/分享？ - App Inventor 2 中文...
屏幕截图请使用拓展：帮助菜单，拓展文档，搜索“截屏”。拓展用法很简单，截屏完成后会触发事件，参数给出截屏图片的路径，存储在 app 的私有目录，通过手机文件管理器就可以查看。
app 私有目录路径参考：
将...
What is InnoDB and MyISAM in MySQL?
What is InnoDB and MyISAM in MySQL ?
8 Answers
8
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Export Data from mysql Workbench 6.0
I'm trying to export my database, using MySQL Workbench 6.0 on Windows, to send to my db instance in Amazon RDS, but i'm getting this error:
...
AJAX POST and Plus Sign ( + ) — How to Encode?
... and the plus sign (+) when i to try to save javascript "code examples" to mysql:
my solution (not the better way, but it works):
javascript:
function replaceAll( text, busca, reemplaza ){
while (text.toString().indexOf(busca) != -1)
text = text.toString().replace(busca,reemplaza);return text...
Linux下将Mysql和Apache加入到系统服务 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linux下将Mysql和Apache加入到系统服务MySQL加入到系统服务里面 cp usr local mysql share mysql mysql.server etc init.d mysqld #把msql的脚本文件拷到系统的启动...MySQL加入到系统服务里面
cp /usr/local/mysql/share/mysql/mysql.server /etc/init.d/mysql...
FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
...首字符改写E5H)，都会使长文件名形同虚设。
（长文件名如何与短文件名对应？仅靠她们之间的位置关系？）
长文件名和短文件名之间的联系光靠他们之间的位置关系维系显然远远不够。其实，长文件名的0xD字节的校验和起...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...irewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps.
Could that be it?
Also, someone here suggests that it might be because the MySQL server is bound to the loop-back IP (127.0.0.1 / localhost) which effectively cuts y...
What is the MySQL VARCHAR max size?
I would like to know what the max size is for a MySQL VARCHAR type.
7 Answers
7
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SQL keys, MUL vs PRI vs UNI
What is the difference between MUL , PRI and UNI in MySQL?
4 Answers
4
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