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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
I just started using Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro?
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Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
What's the usage pattern of HttpResponseMessage.EnsureSuccessStatusCode() ? It disposes of the Content of the message and throws HttpRequestException , but I fail to see how to programmatically handle it any differently than a generic Exception . For example, it doesn't include the HttpStatusCod...
How can you debug a CORS request with cURL?
How can you debug CORS requests using cURL? So far I couldn't find any way to "simulate" the preflight request .
4 Answers
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Why don't self-closing script elements work?
What is the reason browsers do not correctly recognize:
12 Answers
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Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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Why should we typedef a struct so often in C?
I have seen many programs consisting of structures like the one below
15 Answers
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surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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Where does Java's String constant pool live, the heap or the stack?
I know the concept of a constants pool and the String constant pool used by JVMs to handle String literals. But I don't know which type of memory is used by the JVM to store String constant literals. The stack or the heap? Since its a literal which is not associated with any instance I would assume ...
JavaScript click event listener on class
I'm currently trying to write some JavaScript to get the attribute of the class that has been clicked. I know that to do this the correct way, I should use an event listener.
My code is as follows:
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What is Java Servlet?
I read many articles to understand java servlet but I did not succeed.
12 Answers
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