开发时遇到一个需求,用户角色存在变更,使用关联关系浪费空间,于是想到使用在数据库字段中存放字符串,以,分割,这样获取到数据之后使用AuthorityUtils.commaSeparatedStringToAuthorityList...list集合,数据库中字段信息如下 如图所示,用户role字段对应用户角色信息,但是用户角色可能会添加也可能会删除某个角色
JavaScript String高阶用法 var s1 = "abc" , s2 = "def"; console.log(s1 + s2); //返回字符串“abcdef” 使用concat()方法 使用字符串 concat() 方法可以把多个参数添加到指定字符串的尾部...该方法的参数类型和个数没有限制,它会把所有参数都转换为字符串,然后按顺序连接到当前字符串的尾部最后返...
'(因为知乎没有VBA语言选项,故用 VB.net代替,,本代码和VB.net语言不兼容'VB.net中需要进一步指定Range等Excel对象,而Excel VBA中可直接使用'公用函数ConcatJoinPublicFunctionConcatJoin(ByValRng,OptionalStrAsString="")'Rng 为单元格区域引用,或是数组对象'Str 为间隔文字,字符串Dimi,jAsLongDimStrJoinAsStringDi...
Can you have more then one line in one DisplayAlert? Can you limit a Slider to only allow integer values? (Hopefully snapping to the next integer) Can't install NuGet package: System.Data.SqlClient Cannot access a disposed object exception when trying to send a JSON string made from byte...
In my org, I we needed to generate HTML code for email buttons. So that people wouldn't need to code, and so that I wouldn't need to keep writing new code...
Macro Visual Basic, Applications Edition di esempio (VBA) Sub ConcatColumns() Do While ActiveCell <> "" 'Loops until the active cell is blank. 'The "&" must have a space on both sides or it will be 'treated as a variable type of long integer. ...
How to Concatenate Cells with If Condition in Excel (5 Examples) Combine CONCATENATE & TRANSPOSE Functions in ExcelAbout ExcelDemy.com ExcelDemy is a place where you can learn Excel, and get solutions to your Excel & Excel VBA-related problems, Data Analysis with Excel, etc. We provide tips...
这一问题一直持续到Office 365才得以改善,Office 365中提供了非常好用的TEXTJOIN 函数。然而很多人只有Excel 2016以下版本,甚至是Excel 2003以下版本可用。好在Office 97以上版本支持VBA实现自定义函数,可以高仿实现TEXTJOIN函数。为不与官方版本重名,本用户自定义函数起名为CONCATE。
The numbers become text values in the output. Double quotes,asterisk(*) orforward slash(/) can be used to separate the concatenated strings. The#NAME?error occurs when you miss a quotation mark in the text arguments. The#VALUE?error occurs when the output string exceeds the maximum cell cha...
Use the Following in VBA-SQL-Library 'Create the SELECT StatementSetSQL=Ceate_SQLSelect'We don't escape the "user_id" because it is a field name, not a stringSql.Fields=Array(10,5770000051,"user_id")Sql.Table="users"Sql.addWhere"username",str("admin")'Initialize the object and assign...