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Entity Framework: There is already an open DataReader associated with this Command
I am using Entity Framework and occasionally i will get this error.
17 Answers
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How can I convert an image into Base64 string using JavaScript?
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You can use the HTML5 <canvas> for it:
Create a canvas, load your image into it and then use toDataURL() to get the Base64 representation (actually, it's a data: URL, but it contains the Base64-encoded image).
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Declaring functions in JavaScript [duplicate]
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I am on different opinion with most of the people here. Technically this syntax may mean the same for declaring functions both ways
(I stand incorrect on my last statement. I read up on a diff post why they are technically diff and I'll add in the end,...
100% width table overflowing div container [duplicate]
I am having issues with an html table that is overflowing it's parent container.
6 Answers
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Service vs IntentService in the Android platform
I am seeking an example of something that can be done with an IntentService that cannot be done with a Service (and vice-versa)?
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SQL - using alias in Group By
...T clause.
There are exceptions though: MySQL and Postgres seem to have additional smartness that allows it.
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PyCharm shows unresolved references error for valid code
...using PyCharm to work on a project. The project is opened and configured with an interpreter, and can run successfully. The remote interpreter paths are mapped properly. This seems to be the correct configuration, but PyCharm is highlighting my valid code with "unresolved reference" errors, even ...
What is a method that can be used to increment letters?
...arCodeAt(0) + 1);
}
nextChar('a');
As others have noted, the drawback is it may not handle cases like the letter 'z' as expected. But it depends on what you want out of it. The solution above will return '{' for the character after 'z', and this is the character after 'z' in ASCII, so it could be ...
Git fetch remote branch
My colleague and I are working on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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Get last element of Stream/List in a one-liner
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It is possible to get the last element with the method Stream::reduce. The following listing contains a minimal example for the general case:
Stream<T> stream = ...; // sequential or parallel stream
Optional<T> l...