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MIT官方已升级至2.73版本，中文网待测试并升级相关特性 - App Inventor 2 ...
...改：
为 ListView 组件实现“提示”属性，并全面提高其性能。
在 ChatBot 组件中添加下拉菜单，用于选择不同的受支持提供商和模型。
修改 ChatBot 系统属性以使用更大的文本区域。
更新加泰罗尼亚语翻译。
实现可拖动属性...
App Inventor 2 离线版 - 免登录，离线用，一键启动，App开发so easy！
...畅体验！无需网络支持，随时随地高效切换至开发模式。性能优化到极致，带来前所未有的丝滑体验！ 启动快，响应更快。 模板创建：丰富的项目模板，让您开发更省心！ 七彩主题：只为...
How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...ully, but ran into a problem with it: once you have more than about 480 +, SQL Server will start complaining that your query is too deeply nested. My solution was instead to use Rob Cooper's answer instead, but with a much longer and more obscure token.
– Marcus Downing
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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...see its current implementation:
@Deprecated
public int queryForInt(String sql, Object... args) throws DataAccessException {
Number number = queryForObject(sql, args, Integer.class);
return (number != null ? number.intValue() : 0);
}
which may lead you to think that if the result set is em...
SQL Server, convert a named instance to default instance?
I need to convert a named instance of SQL server 2005, to a default instance.
7 Answers
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Why do people hate SQL cursors so much? [closed]
...ors. Defeating an RDBMS optimization. And running really slowly.
Simple SQL rewrites to replace nested cursor loops with joins and a single, flat cursor loop can make programs run in 100th the time. [They thought I was the god of optimization. All I did was replace nested loops with joins. Sti...
How can I change my default database in SQL Server without using MS SQL Server Management Studio?
I dropped a database from SQL Server, however it turns out that my login was set to use the dropped database as its default. I can connect to SQL Server Management Studio by using the 'options' button in the connection dialog and selecting 'master' as the database to connect to. However, whenever ...
Access is denied when attaching a database
I am using SQL Server 2008 developer edition. I was trying to attach the AdventureWorks2008 database.
31 Answers
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Function vs. Stored Procedure in SQL Server
... are computed values and cannot perform permanent environmental changes to SQL Server (i.e., no INSERT or UPDATE statements allowed).
A function can be used inline in SQL statements if it returns a scalar value or can be joined upon if it returns a result set.
A point worth noting from comments, w...
DateTime2 vs DateTime in SQL Server
...and
datetimeoffset data types for new
work. These types align with the SQL
Standard. They are more portable.
time, datetime2 and datetimeoffset
provide more seconds precision.
datetimeoffset provides time zone
support for globally deployed
applications.
datetime2 has larger date ra...