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When to use generic methods and when to use wild-card?

...er> src) it won't work as expected. In 2nd case, you can pass List<Integer> and List<Float> as dest and src. So, moving elements from src to dest wouldn't be type safe anymore. If you don't need such kind of relation, then you are free not to use type parameters at all. Some other ...
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CSS opacity only to background color, not the text on it? [duplicate]

...de: .myClass { background-color: fade(#FFFFFF, 50%); } See How do I convert a hexadecimal color to rgba with the Less compiler? share | improve this answer | follow ...
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How to check whether a string contains a substring in Ruby

...oMethodError: undefined method `include?' for nil:NilClass should always convert the value being included to the expected value:- test.to_s.include?("test") – Gary May 8 '18 at 21:24 ...
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How to get URL parameter using jQuery or plain JavaScript?

...ust used var sPageURL = decodeURI(window.location.search.substring(1)); to convert %20 characters into white spaces and also I return an empty string instead of nothing if the parameter is not matched. – Christophe Feb 11 '15 at 13:44 ...
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How do I reference a javascript object property with a hyphen in it?

...d in is a CSS property. CSS properties that have hyphens are automatically converted to camel casing. In that case you can use the camel cased name like: style.textAlign; However this solution only works for CSS properties. For example, obj['a-b'] = 2; alert(obj.aB); // undefined alert(...
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Determine if 2 lists have the same elements, regardless of order? [duplicate]

...n is the size of the lists. If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice): set(x) == set(y) If the elements are not hashable, but sortable, another alternative (runtime in O(n log n)) is sorted(x) == sorted(y) I...
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get dictionary value by key

... d.Add("2","Mahesh"); Console.WriteLine(d["1"]);// it will print Value of key '1' share | improve this answer | follow | ...
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How do I create some kind of table of content in GitHub wiki?

... Yes, I have been converted to asciidoc largely for the ToC and linking to headers. Got fed up of waiting for Markdown to catch up. – Ciro Santilli 郝海东冠状病六四事件法轮功 Nov 9 '18 at 9:2...
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How to construct a WebSocket URI relative to the page URI?

...ebSocket URI relative to the page URI at the browser side. Say, in my case convert HTTP URIs like 7 Answers ...
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Is System.nanoTime() completely useless?

... This answer was written in 2011 from the point of view of what the Sun JDK of the time running on operating systems of the time actually did. That was a long time ago! leventov's answer offers a more up-to-date perspective. That post is wrong, and nanoTime is safe. T...