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The three top-paying tech roles in 2022 and the skills you need to land them After two decades of working in the technical training industry, I’ve fou 阅读全文
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What is the difference between "calculate" and "compute"? 回答1 ou can compute the shortest path between two points. However, you can calculate only the 阅读全文
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Finding null value in Dataset - DataRow.IsNull method vs ==DbNull.Value - c# 问题 What are the benefits of using the c# method DataRow.IsNull to determi 阅读全文
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Is a GUID unique 100% of the time? 回答1 While each generated GUID is not guaranteed to be unique, the total number of unique keys (2128 or 3.4×1038) is 阅读全文
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SQL Server discarding SPACE during GROUP BY 问题 Looks like SQL Server (tried on 2008 R2) is doing an RTRIM on columns in GROUP BY clause. Did anyone no 阅读全文
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What is the benefit of using "SET XACT_ABORT ON" in a stored procedure? 回答1 SET XACT_ABORT ON instructs SQL Server to rollback the entire transaction 阅读全文