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Entity Framework 4 - AddObject vs Attach
I have been working with Entity Framework 4 recently, and am slightly confused as to when to use ObjectSet.Attach , and ObjectSet.AddObject .
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How to get an element's top position relative to the browser's viewport?
...he position of an element relative to the browser's viewport (the viewport in which the page is displayed, not the whole page). How can this be done in JavaScript?
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Rails: update_attribute vs update_attributes
Both of these will update an object without having to explicitly tell AR to update.
11 Answers
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Is there a CSS selector by class prefix?
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It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribute selector. This picks up div elements whose class attribute meets either...
Convert SVG image to PNG with PHP
I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data.
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No mapping found for field in order to sort on in ElasticSearch
Elasticsearch throws a SearchParseException while parsing query if there are some documents found not containing field used in sort criteria.
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Docker how to change repository name or rename image?
I'm trying to change repository name of the image:
7 Answers
7
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Could not find an implementation of the query pattern
In my silverlight application I am trying to create a database connection using LINQ.
First I add a new LINQ to SQL class, and drag my table called "tblPersoon" into it.
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Auto increment primary key in SQL Server Management Studio 2012
How do I auto increment the primary key in a SQL Server database table, I've had a look through the forum but can't see how.
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How to change the DataTable Column Name?
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I just tried this solution now and it works fine - it did not do any changes or wipe out the underlying column data. Maybe something else is happening in your code...
– AshesToAshes
Aug 15 '13 at 15:25
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