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Mongo: find items that don't have a certain field
How to search for documents in a collection that are missing a certain field in MongoDB?
2 Answers
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What is the syntax for a default constructor for a generic class?
Is it forbidden in C# to implement a default constructor for a generic class?
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NULL vs nullptr (Why was it replaced?) [duplicate]
I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement?
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PatternSyntaxException: Illegal Repetition when using regex in Java
I don't know much regex, but I need to match a simple pattern. The following should return true,
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How to use count and group by at the same select statement
I have an sql select query that has a group by.
I want to count all the records after the group by statement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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How do you include Xml Docs for a class library in a NuGet package?
I am creating a NuGet package for a C# class library, and I would like to include generated Xml Documentation with the library. This is my nuspec file:
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Recommended way to stop a Gradle build
How can I stop a Gradle build after detecting a problem? I can use an assert, throw an exception, do a System.exit (bad idea), or use a dedicated function in Gradle (but I could not find one). What is the best way for Gradle (and why?).
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How to take screenshot of a div with JavaScript?
I am building something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool.
10 Answers
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Is it possible to make a type only movable and not copyable?
I have this struct
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How to send cookies in a post request with the Python Requests library?
I'm trying to use the Requests library to send cookies with a post request, but I'm not sure how to actually set up the cookies based on its documentation. The script is for use on Wikipedia, and the cookie(s) that need to be sent are of this form:
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