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SSH免密码登陆教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
SSH免密码登陆教程假设 A 为客户机器，B为目标机；要达到的目的：A机器ssh登录B机器无需输入密码；加密方式选 rsa|dsa均可以，默认dsa做法：1、登录A机器2...假设 A 为客户机器，B为目标机；
要达到的目的：
A机器ssh登录B机器...
Create new user in MySQL and give it full access to one database
I want to create a new user in MySQL and give it full access only to one database, say dbTest , that I create with a command like create database dbTest; . What would be the MySQL commands to do that?
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mysql blob大小配置介绍 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
...理器（如数据库管理器）不去理会文件是什么，而是关心如何去处理它。但也有专家强调，这种处理大数据对象的方法是把双刃剑，它有可能引发一些问题，如存储的二进制文件过大，会使数据库的性能下降。在数据库中存放体...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
I am having a big problem trying to connect to mysql. When I run:
41 Answers
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MySQL show status - active or total connections?
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Connections
The number of connection attempts (successful or not) to the MySQL server.
You can see the number of active connections either through the Threads_connected status variable:
Threads_connected
The number of currently open connections.
mysql> show status where `variable_name` = 'Th...
PDOException SQLSTATE[HY000] [2002] No such file or directory
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The error message indicates that a MySQL connection via socket is tried (which is not supported).
In the context of Laravel (artisan), you probably want to use a different / the correct environment. Eg: php artisan migrate --env=production (or whatever enviro...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...本文主要介绍一款较为通用、价格低廉的BLE设备从零开始如何利用App Inventor 2开发一款自己专属的手机蓝牙App应用。
BLE与经典蓝牙的区别可参考：《低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别》。
本文主要通过一款常见的BLE硬件...
How to shrink/purge ibdata1 file in MySQL
I am using MySQL in localhost as a "query tool" for performing statistics in R, that is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
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App Inventor 2 多用户预订系统如何设计？ - App Inventor 2 中文网 - 清泛...
问：我遇到了一个难题，我开发了一个软件，两个手机都安装了同一个软件，我在一个手机上显示按钮已经不能启用，但在另一个手机上该按钮确还能用，我的目标是这个跟酒店房间一样，当某个房间有人订了，其他人就不能订...
How can I import a database with MySQL from terminal?
How can I import a database with mysql from terminal?
18 Answers
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