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Asp.net 4.0 has not been registered
When I try to open my Visual Studio project I get the following error:
13 Answers
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How do I implement IEnumerable
I know how to implement the non generic IEnumerable, like this:
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Integer division: How do you produce a double?
For this code block:
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Deserializing a JSON into a JavaScript object
I have a string in a Java server application that is accessed using AJAX. It looks something like the following:
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How can I add a column that doesn't allow nulls in a Postgresql database?
I'm adding a new, "NOT NULL" column to my Postgresql database using the following query (sanitized for the Internet):
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Finding all objects that have a given property inside a collection [duplicate]
I have some complicated object, such as a Cat, which has many properties, such as age, favorite cat food, and so forth.
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Reverting single file in SVN to a particular revision
I have a file as shown below in an SVN repo that I would like to revert to a previous version. What is the way to do this in SVN? I want only downgrade this particular file to an older version, not the whole repo.
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How to define custom exception class in Java, the easiest way?
I'm trying to define my own exception class the easiest way, and this is what I'm getting:
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Can't connect to local MySQL server through socket '/tmp/mysql.sock
When I attempted to connect to a local MySQL server during my test suite, it
fails with the error:
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Pandas: drop a level from a multi-level column index?
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7 Answers
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