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Hide Utility Class Constructor : Utility classes should not have a public or default constructor

I am getting this warning on Sonar.I want solution to remove this warning on sonar. My class is like this : 10 Answers ...
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What are the options for storing hierarchical data in a relational database? [closed]

Good Overviews 7 Answers 7 ...
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How can I extract a good quality JPEG image from a video file with ffmpeg?

Currently I am using this command to extract the images: 2 Answers 2 ...
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Find MongoDB records where array field is not empty

All of my records have a field called "pictures". This field is an array of strings. 11 Answers ...
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Why is January month 0 in Java Calendar?

In java.util.Calendar , January is defined as month 0, not month 1. Is there any specific reason to that ? 16 Answers ...
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How can I view the source code for a function?

I want to look at the source code for a function to see how it works. I know I can print a function by typing its name at the prompt: ...
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Why do I get a SyntaxError for a Unicode escape in my file path?

The folder I want to get to is called python and is on my desktop. 7 Answers 7 ...
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How should one use std::optional?

I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
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How to test valid UUID/GUID?

How to check if variable contains valid UUID/GUID identifier? 12 Answers 12 ...
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What does axis in pandas mean?

Here is my code to generate a dataframe: 21 Answers 21 ...