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When should I use a struct instead of a class?

... MSDN has the answer: Choosing Between Classes and Structures. Basically, that page gives you a 4-item checklist and says to use a class unless your type meets all of the criteria. Do not define a structure unless the type has all of the following characteristics: It logica...
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SQL: IF clause within WHERE clause

...n a WHERE clause. If you want to apply some "IF" logic in the WHERE clause all you need to do is add the extra condition with an boolean AND to the section where it needs to be applied. share | impr...
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MySQL ON vs USING?

... far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() . ...
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Flexbox not giving equal width to elements

...t has up to 5 items and as little as 3, but it's not dividing the width equally between all the elements. 2 Answers ...
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Change Volley timeout duration

...requests. Volley sets default Socket & ConnectionTImeout to 5 secs for all requests. RetryPolicy is an interface where you need to implement your logic of how you want to retry a particular request when a timeout happens. It deals with these three parameters Timeout - Specifies Socket Timeo...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

...ct the variable references with a whole new object. You can check this by calling i.object_id before and after i+=1. Why would that be any more technically tricky to do with ++? – Andy_Vulhop Sep 7 '10 at 17:09 ...
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Disable Logback in SpringBoot

...-boot-starter-* dependency is a huge hassle. It seems like Gradle at least allows a global exclusion. This alone is seriously making me consider switching from Maven. – scottysseus Apr 26 '19 at 20:46 ...
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How to count total lines changed by a specific author in a Git repository?

...--author="<authorname>" --oneline --shortstat This gives stats for all commits on the current HEAD. If you want to add up stats in other branches you will have to supply them as arguments to git log. For passing to a script, removing even the "oneline" format can be done with an empty log f...
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How to read/write from/to file using Go?

... Let's make a Go 1-compatible list of all the ways to read and write files in Go. Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO. In the following examples I copy a file by reading...
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How to add facebook share button on my website?

... You don't need all that code. All you need are the following lines: <a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank"> Share on Facebook </a> Documentation can be found at https://developers...