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Should private helper methods be static if they can be static

Let's say I have a class designed to be instantiated. I have several private "helper" methods inside the class that do not require access to any of the class members, and operate solely on their arguments, returning a result. ...
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How to find Unused Amazon EC2 Security groups

I'm try to find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups. ...
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How do I get the real .height() of a overflow: hidden or overflow: scroll div?

I have a question regarding how to get a div height. I'm aware of .height() and innerHeight() , but none of them does the job for me in this case. The thing is that in this case I have a div that is overflown width a overflow: scroll and the div has a fixed height. ...
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Using async/await for multiple tasks

I'm using an API client that is completely asynchrounous, that is, each operation either returns Task or Task<T> , e.g: ...
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Checking if array is multidimensional or not?

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How to check if PHP array is associative or sequential?

PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys? ...
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How to get datetime in JavaScript?

How to get date time in JavaScript with format 31/12/2010 03:55 AM? 7 Answers 7 ...
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How to get last inserted id?

I have this code: 14 Answers 14 ...
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What does value & 0xff do in Java?

I have the following Java code: 4 Answers 4 ...
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do { … } while (0) — what is it good for? [duplicate]

I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.) ...