膜结构
SQL: How do I INSERT primary key values from two tables INTO a master table
I would appreciate some help with an SQL statement I really can\'t get my head around. What I want to do is fairly simple, I need to take the values from two different tables and copy them into an ma[详细]
2022-12-25 08:22 分类:问答When should xargs be preferred over while-read loops?
xargs is widely used in shell scripting; it is usually easy to recast these uses in bash using while read -r; do ... done or while read -ar; do 开发者_JAVA百科... done loops.[详细]
2022-12-25 08:20 分类:问答Where to set up and store application state in a WCF Service Library project?
I have something I want to initialise and use t开发者_Python百科hroughout a WCF Service Library. If it was in an ASP.NET site I\'d be doing it in the Application_Start method of the global.asax, but w[详细]
2022-12-17 13:08 分类:问答