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Using current time in UTC as default value in PostgreSQL

I have a column of the TIMESTAMP WITHOUT TIME ZONE type and would like to have that default to the current time in UTC. Getting the current time in UTC is easy: ...
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?

How do you get matplotlib.pyplot to "forget" previous plots 2 Answers 2 ...
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Most simple but complete CMake example

Somehow I am totally confused by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance i...
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Python constructors and __init__

Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class? ...
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How to give System property to my test via Gradle and -D

I have a a Java program which reads a System property 5 Answers 5 ...
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mailto link multiple body lines

having trouble getting multiple lines to work correctly in a mailto link 4 Answers 4 ...
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Using smart pointers for class members

I'm having trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using...
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Uninstall all installed gems, in OSX?

There are instances where I would like to revert and uninstall all previous gem installations. 13 Answers ...
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How to erase the file contents of text file in Python?

I have text file which I want to erase in Python. How do I do that? 12 Answers 12 ...
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How can I find the last element in a List?

The following is an extract from my code: 13 Answers 13 ...