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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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Why is there no Char.Empty like String.Empty?
Is there a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
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How to get all child inputs of a div element (jQuery)
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6 Answers
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Timertask or Handler
Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view.
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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...
What's the false operator in C# good for?
There are two weird operators in C#:
5 Answers
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How can I find non-ASCII characters in MySQL?
I'm working with a MySQL database that has some data imported from Excel . The data contains non- ASCII characters (em dashes, etc.) as well as hidden carriage returns or line feeds. Is there a way to find these records using MySQL?
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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
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Why should Java ThreadLocal variables be static
I was reading the JavaDoc for Threadlocal here
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How to remove duplicate values from a multi-dimensional array in PHP
How can I remove duplicate values from a multi-dimensional array in PHP?
19 Answers
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