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SQL Group By with an Order By
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In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias:
SELECT COUNT(id) AS theCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
I have the below error when I execute the following script. What is the error about, and how it can be resolved?
21 Answers...
When to use .First and when to use .FirstOrDefault with LINQ?
...'d want to use .First and when you'd want to use .FirstOrDefault with LINQ.
14 Answers
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Passing variables through handlebars partial
I'm currently dealing with handlebars.js in an express.js application. To keep things modular, I split all my templates in partials.
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How do you determine what SQL Tables have an identity column programmatically
I want to create a list of columns in SQL Server 2005 that have identity columns and their corresponding table in T-SQL.
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
I want my urls to use dash - instead of underscore _ as word separators. For example controller/my-action instead of controller/my_action .
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Android Fragment onClick button Method
I'm trying to invoke the method in my onClick (View v) XML, but does not work with Fragment. This is the error.
6 Answers
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SQLAlchemy: cascade delete
I must be missing something trivial with SQLAlchemy's cascade options because I cannot get a simple cascade delete to operate correctly -- if a parent element is a deleted, the children persist, with null foreign keys.
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How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
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Routing: The current request for action […] is ambiguous between the following action methods
...e user can enter a search term, or leave the search term blank. When entering the search term, I want to direct the page to http://localhost:62019/Gallery/Browse/{Searchterm} and when nothing is entered, I want to direct the browser to http://localhost:62019/Gallery/Browse/Start/Here .
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