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What is the difference between String.Empty and “” (empty string)?

...private hidebysig instance string foo() cil managed { .maxstack 8 L_0000: ldstr "foo" L_0005: ret } .method private hidebysig instance string bar() cil managed { .maxstack 8 L_0000: ldstr "bar" L_0005: ldsfld string [mscorlib]System.String::Empty L_000a: call string [msc...
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Is there a function to deselect all text using JavaScript?

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What is move semantics?

...ng { char* data; public: string(const char* p) { size_t size = std::strlen(p) + 1; data = new char[size]; std::memcpy(data, p, size); } Since we chose to manage the memory ourselves, we need to follow the rule of three. I am going to defer writing the assi...
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?

...nswer below. – nmr Mar 18 '14 at 19:32 4 In fact, Color.TRANSPARENT is unnecessary. PorterDuff.Mo...
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Simplest way to do a fire and forget method in c# 4.0

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T-SQL get SELECTed value of stored procedure

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Calculate difference in keys contained in two Python dictionaries

...nged values (4) keys same in both and unchanged values """ def __init__(self, current_dict, past_dict): self.current_dict, self.past_dict = current_dict, past_dict self.set_current, self.set_past = set(current_dict.keys()), set(past_dict.keys()) self.intersect = s...
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`from … import` vs `import .` [duplicate]

... for simplicity or to avoid masking built ins: from os import open as open_ # lets you use os.open without destroying the # built in open() which returns file handles. share | improve this answer...
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How to take all but the last element in a sequence using LINQ?

... The Enumerable.SkipLast(IEnumerable<TSource>, Int32) method was added in .NET Standard 2.1. It does exactly what you want. IEnumerable<int> sequence = GetSequenceFromExpensiveSource(); var allExceptLast = sequence.SkipLast(1); From https://docs.microsoft.com/en-us...
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How to print a list of symbols exported from a dynamic library

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