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Does .NET have a way to check if List a contains all items in List b?

...s easy: public class ListHelper<T> { public static bool ContainsAllItems(List<T> a, List<T> b) { return !b.Except(a).Any(); } } This checks whether there are any elements in b which aren't in a - and then inverts the result. Note that it would be slightly mo...
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How do I get the current date and time in PHP?

...e time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to. I'm in Melbourne, Australia so I have something like this: date_default_timezone_set('Australia/Melbourne'); Or...
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What good are SQL Server schemas?

... 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment? ...
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How do I pass the value (not the reference) of a JS variable to a function? [duplicate]

...selection(i); }); })(i); } By creating an anonymous function and calling it with the variable as the first argument, you're passing-by-value to the function and creating a closure. share | ...
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What is the difference between UTF-8 and ISO-8859-1?

...e points of the Unicode character set, whereas UTF-8 can be used to encode all code points. At physical encoding level, only codepoints 0 - 127 get encoded identically; code points 128 - 255 differ by becoming 2-byte sequence with UTF-8 whereas they are single bytes with Latin-1. ...
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How to return 2 values from a Java method?

... You can use SimpleEntry<type_of_value_1, type_of_value_2> from java.util.AbstractMap.SimpleEntry and use it with getKey() to get object 1 and getValue() to get object 2 – Crystalonics Apr 28 '16 at 18:03 ...
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How to make an ImageView with rounded corners?

...is a rectangle by default. How can I make it a rounded rectangle (clip off all 4 corners of my Bitmap to be rounded rectangles) in the ImageView? ...
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How do I convert array of Objects into one Object in JavaScript?

... item.value, obj) ,{}); Here we benefit from comma operator, it evaluates all expression before comma and returns a last one(after last comma). So we don't copy obj each time, rather assigning new property to it. share ...
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What's the absurd function in Data.Void useful for?

... f -> onAwait $ \x -> foldConsumer onPure onAwait (f x) Yield x _ -> absurd x or alternatively, that you can ignore the yield case when dealing with consumers. This is the general version of this design pattern: use polymorphic data types and Void to get rid of possibilities when yo...
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Storing Images in PostgreSQL

...we see that image sizes, and number of images, are growing and growing, in all applications... We need some distinction between "original image" and "processed image", like thumbnail. As Jcoby's answer says, there are two options, then, I recommend: use blob (Binary Large OBject): for original imag...