大约有 48,000 项符合查询结果(耗时:0.0616秒) [XML]

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How do I get a list of column names from a psycopg2 cursor?

I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...
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How to get the mysql table columns data type?

... You can use the information_schema columns table: SELECT DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = 'tbl_name' AND COLUMN_NAME = 'col_name'; share | im...
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Lombok added but getters and setters not recognized in Intellij IDEA

I am using IntelliJ IDEA on ubuntu. I added lombok.jar into my project and installed the Lombok plugin for IDEA. I have access to the annotations but the getters and setters aren't generated. I get the same errors I would get if I tried accessing a getter or setter method that doesn't exist. W...
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Correct use of Multimapping in Dapper

... I just ran a test that works fine: var sql = "select cast(1 as decimal) ProductId, 'a' ProductName, 'x' AccountOpened, cast(1 as decimal) CustomerId, 'name' CustomerName"; var item = connection.Query<ProductItem, Customer, ProductItem>(sql, (p, c) => { p.Cu...
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What is Objective C++? [closed]

What is Objective C++ and can I use this language in Xcode? 3 Answers 3 ...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

... If the field is already a string, this will work SELECT RIGHT('000'+ISNULL(field,''),3) If you want nulls to show as '000' It might be an integer -- then you would want SELECT RIGHT('000'+CAST(field AS VARCHAR(3)),3) As required by the question this answer only w...
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Query to list all stored procedures

...e not in the master database, system stored procedures won't be returned. SELECT * FROM DatabaseName.INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_TYPE = 'PROCEDURE' If for some reason you had non-system stored procedures in the master database, you could use the query (this will filter out MOST ...
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How to find largest objects in a SQL Server database?

...quite a bit understanding and determining the size of indices and tables: SELECT t.name AS TableName, i.name as indexName, sum(p.rows) as RowCounts, sum(a.total_pages) as TotalPages, sum(a.used_pages) as UsedPages, sum(a.data_pages) as DataPages, (sum(a.total_pages) *...
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How do I update all my CPAN modules to their latest versions?

...ve method to using upgrade from the default CPAN shell is to use cpanminus and cpan-outdated. These are so easy and nimble to use that I hardly ever go back to CPAN shell. To upgrade all of your modules in one go, the command is: cpan-outdated -p | cpanm I recommend you install cpanminus like th...
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abort: no username supplied (see “hg help config”)

I have added repository and at the time of commit I get error as 6 Answers 6 ...