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Cast int to varchar
... @JonathanSayce I'm not overly familiar with the ins & outs of MySQL and it might not use something arbitrary, but I wouldn't rely on the MySQL engine to be that smart (no offense to MySQL). In order to be sure you get the proper length, I would always explicitly provide one.
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Generic method multiple (OR) type constraint
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Or the compiler could threat the type as an union type within the function and have the return value be of the same type that it gets in. TypeScript does this.
– Alex
Jan 30 '18 at 18:42
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Is the primary key automatically indexed in MySQL?
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According to http://dev.mysql.com/doc/refman/5.0/en/constraint-primary-key.html it would appear that this is would be implicit
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How do I do a bulk insert in mySQL using node.js
How would one do a bulk insert into mySQL if using something like
https://github.com/felixge/node-mysql
12 Answers
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MySQL string replace
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http://www.example.com/articles/news/43
http://www.electrictoolbox.com/mysql-find-replace-text/
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家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网移动版 - 专...
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用户体验是关键
无论哪种行业，若想赢得市场，用户体验都是关键。北京晨报...
python-pandas and databases like mysql
...ing a DBI compatible library. We can look at two short examples using the MySQLdb and cx_Oracle libraries to connect to Oracle and MySQL and query their data dictionaries. Here is the example for cx_Oracle:
import pandas as pd
import cx_Oracle
ora_conn = cx_Oracle.connect('your_connection_string'...
MySQL: Large VARCHAR vs. TEXT?
I've got a messages table in MySQL which records messages between users. Apart from the typical ids and message types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I'm setting a front-end limit of 3000 characters which means the messages would never be inserte...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...常是 2个副本 + 1个仲裁。
说了这么多，还是来实战一下如何搭建高可用的mongodb集群：
首先确定各个组件的数量，mongos 3个， config server 3个，数据分3片 shard server 3个，每个shard 有一个副本一个仲裁也就是 3 * 2 = 6 个，总共需要...
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...