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Entity Framework and SQL Server View
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We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select ...
Find() vs. Where().FirstOrDefault()
I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference.
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Open document with default OS application in Python, both in Windows and Mac OS
...eed to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
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How do I edit an incorrect commit message in git ( that I've pushed )?
I want to modify a commit message deeper in history and I've pushed many new commits.
7 Answers
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Android Camera Preview Stretched
I've been working on making my custom camera activity on Android, but when rotating the camera, the aspect ratio of the surface view gets messed up.
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Could not insert new outlet connection [duplicate]
...insert new outlet connection: Could not find any information for the class and not showing any class named "ViewController"
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MySQL selecting yesterday's date
How can I display and count the values whose dates are yesterday?
I used time() to insert date in the database. Example:
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setuptools vs. distutils: why is distutils still a thing?
Python has a confusing history of tools that can be used to package and describe projects: these include distutils in the Standard Library, distribute , distutils2 , and setuptools (and maybe more). It appears that distribute and distutils2 were discontinued in favor of setuptools , which...
grid controls for ASP.NET MVC? [closed]
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We have been using jqGrid on a project and have had some good luck with it. Lots of options for inline editing, etc. If that stuff isn't necessary, then we've just used a plain foreach loop like @Hrvoje.
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Difference between \n and \r?
What’s the difference between \n (newline) and \r (carriage return)?
10 Answers
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