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Check whether an array is a subset of another

...ly calls the Equals and GetHashCode of the overridden object class methods if there's no IEqualityComparer provided for the job. – Mrinal Kamboj Oct 20 '15 at 7:21 2 ...
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Are PHP include paths relative to the file or the calling code?

...g trouble understanding the ruleset regarding PHP relative include paths. If I run file A.PHP- and file A.PHP includes file B.PHP which includes file C.PHP, should the relative path to C.PHP be in relation to the location of B.PHP, or to the location of A.PHP? That is, does it matter which file ...
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YouTube iframe API: how do I control an iframe player that's already in the HTML?

I want to be able to control iframe based YouTube players. This players will be already in the HTML, but I want to control them via the JavaScript API. ...
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String.Replace ignoring case

...e accepted answer in 2011 and has a huge number of votes. This works fine if you only have to replace alphanumeric. However, if you have to replace any punctuation characters you can get into big trouble. Oleg Zarevennyi's answer is superior, but has only a small number of votes because it was po...
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Does Git warn me if a shorthand commit ID can refer to 2 different commits?

If cee157 can refer to 2 different commit IDs, such as 2 Answers 2 ...
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How to compare two Dates without the time portion?

...(); return firstDate.compareTo(secondDate); EDIT: As noted in comments, if you use DateTimeComparator.getDateOnlyInstance() it's even simpler :) // TODO: consider extracting the comparator to a field. return DateTimeComparator.getDateOnlyInstance().compare(first, second); ("Use Joda Time" is t...
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Where to put include statements, header or source?

Should I put the includes in the header file or the source file? If the header file contains the include statements, then if I include that header file in my source, then will my source file have all of the included files that were in my header? Or should I just include them in my source file only? ...
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What happens when a duplicate key is put into a HashMap?

If I pass the same key multiple times to HashMap ’s put method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this. ...
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Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?

...ublic override void ExecuteResult(ControllerContext context) { if (context == null) throw new ArgumentNullException("context"); var response = context.HttpContext.Response; response.ContentType = !String.IsNullOrEmpty(ContentType) ? ContentType ...
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jQuery OR Selector?

I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality? ...