golang里,操作mysql数据库,使用查询语句的时候,一般的写法 rows, err := db.Query("select name from table") if err != nil { return } for rows.Next() { var name string err = rows.Scan(&name) if err != nil { return } } 当查出来的字段有NULL的时候,就会报这样的错误unsupported driver ->
一直有计划将 Delphi 中的譬如 TIniFile 等相关功能移植到 Golang,这些设施在 Delphi 中(相对而言)比较常用,使用起来也非常方便. 虽然 Github 上早已有这些三方库,但我还是想仿照 Delphi 的做法来实现一套,并额外提供直接干脆的调用接口等. 代码已托管至 Github. // Copyright 2017 ecofast(无尽愿). All rights reserved. // Use of this source code is governed by
The Go Blog Errors are values 12 January 2015 A common point of discussion among Go programmers, especially those new to the language, is how to handle errors. The conversation often turns into a lament at the number of times the sequence if err != n
golang github.com/go-sql-driver/mysql 遇到的数据库,设置库设计不合理的解决方法,查询中报了以下这个错 Scan error on column index 2: unsupported Scan, storing driver.Value type <nil> 解决方案就是动态的把数据 字段前加一上一个COALESCE SELECT u.id,ta.`title` as `活动名` ,COALESCE(IFNULL(i.name,i.nickname) F
一.Go_tool This is a tool library for Golang.Dont't worry about not understant it! All comment writes by English,Ahaha~~ Oh,I think some will be Chinese. 二.Usage go get -u -v github.com/hunterhug/go_tool go get -v github.com/hunterhug/go_image go get
最近项目需要,需要操作access,以前是用VC++ OLE访问,网络用ACE库,感觉很庞大...决定用go试试 网上用的最多的就是这个https://github.com/weigj/go-odbc 安装方式如下: ODBC database driver for Go Install: cd $GOPATH/src git clone git://github.com/weigj/go-odbc.git odbc cd odbc go install 测试时碰到好多坑..... 第1次当运行
具体的题目如下:(就是将多维数组的行列互换) A multi-dimensional array is an array of arrays. 2-dimensional arrays are the most commonly used. They are used to store data in a tabular manner. Consider following 2D array, which is of the size 3×53×5. For an array of size N