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Why must we define both == and != in C#?

... is due to the fact that C# borrows much behavior from C++. See below for more on this. When you override != and ==, you do not have to return bool. This is another likely reason. In C#, this function: public static int operator ==(MyClass a, MyClass b) { return 0; } is as valid as this one...
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Reduce git repository size

...reflog expire --all --expire=now git gc --prune=now --aggressive An even more complete, and possibly dangerous, solution is to remove unused objects from a git repository share | improve this answ...
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How do I get the type of a variable?

... decltype can be used for more than just static assertions. For example, decltype(a) b; declares b as the same type as a. – Kai Petzke Sep 14 at 14:23 ...
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Counting Chars in EditText Changed Listener

... This is a slightly more general answer with more explanation for future viewers. Add a text changed listener If you want to find the text length or do something else after the text has been changed, you can add a text changed listener to your...
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How to add a button to a PreferenceScreen?

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Why does installing Nokogiri on Mac OS fail with libiconv is missing?

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How do I remove a property from a JavaScript object?

...t.regex; console.log(myObject); For anyone interested in reading more about it, Stack Overflow user kangax has written an incredibly in-depth blog post about the delete statement on their blog, Understanding delete. It is highly recommended. ...
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Change x axes scale in matplotlib

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How can I combine flexbox and vertical scroll in a full-height app?

... I opened the fiddle link and doesn't seem to be working anymore on Chrome (works in Firefox). The scroll bar disappeared. Does anyone have an idea how to get this working again? – bets Apr 3 '17 at 20:47 ...
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Why is DarkGray lighter than Gray?

...n X, "Gray" is actually closer to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%. Here's some more Wikipedia on the subject: Perhaps most unusual of the color clashes between X11 and W3C is the case of "Gray" and its variants. In HTML, "Gray" is specifically reserv...