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When should one use HTML entities?

This has been confusing me for some time. With the advent of UTF-8 as the de-facto standard in web development I'm not sure in which situations I'm supposed to use the HTML entities and for which ones should I just use the UTF-8 character. For example, ...
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Make EditText ReadOnly

... 23. – patryk.beza Mar 31 '16 at 12:05 ...
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Go > operators

Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages. ...
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How to determine whether a Pandas Column contains a particular value

I am trying to determine whether there is an entry in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data...
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Google fonts URL break HTML5 Validation on w3.org

...& b) – jave.web Dec 25 '16 at 3:05 add a comment  |  ...
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How to compare type of an object in Python?

... isinstance() In your case, isinstance("this is a string", str) will return True. You may also want to read this: http://www.canonical.org/~kragen/isinstance/ share ...
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

On http://github.com developer keep the HTML, CSS, JavaScript and images files of the project. How can I see the HTML output in browser? ...
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Five equal columns in twitter bootstrap

... Jan 15 '14 at 15:52 lightswitch05lightswitch05 7,83955 gold badges4242 silver badges6969 bronze badges ...
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How to subtract date/time in JavaScript? [duplicate]

... change happened 2012-03-25 02:00 var pre = new Date('2012/03/24 03:04:05'); var post = new Date('2012/03/27 03:04:05'); // regardless DST, you still wish to see 3 days expect(pre.diffDays(post)).toEqual(-3); }); Diff minutes or seconds is in same fashion. ...
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Which version of MVC am I using?

...ichael ShimminsMichael Shimmins 19.4k66 gold badges5050 silver badges9090 bronze badges 20 ...