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What is an existential type?

...ing> mc1 = new MyClass("foo"); MyClass<Integer> mc2 = new MyClass(123); MyClass<?> mc3 = MyClass.secretMessage(); From the perspective of a client of MyClass, T is universal because you can substitute any type for T when you use that class and you must know the actual type of T whe...
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How to “perfectly” override a dict?

...e accepted answer remove the redundant dict? – Seanny123 Mar 8 '17 at 5:23 1 Two ways that immedi...
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How to sort my paws?

... 123 +50 Alright...
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PHP parse/syntax errors; and how to solve them

... trying to dereference constants (before PHP 5.6) as arrays: $var = const[123]; ⇑ At least PHP interprets that const as a constant name. If you meant to access an array variable (which is the typical cause here), then add the leading $ sigil - so it becomes a $varname. You are trying to...
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Colors in JavaScript console

...36px 121px hsl(653.4, 100%, 50%), -38px 122px hsl(658.8, 100%, 50%), -39px 123px hsl(664.2, 100%, 50%), -41px 124px hsl(669.6, 100%, 50%), -42px 125px hsl(675, 100%, 50%), -43px 126px hsl(680.4, 100%, 50%), -45px 127px hsl(685.8, 100%, 50%), -46px 128px hsl(691.2, 100%, 50%), -47px 129px hsl(696.6, ...
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Markup XML解析库下载(Markup.h 和 Markup.cpp) - 源码下载 - 清泛网 - 专注C/C++及内核技术

...0020 MNT_DOCUMENT_TYPE = 64, // 0x0040 MNT_EXCLUDE_WHITESPACE = 123, // 0x007b MNT_LONE_END_TAG = 128, // 0x0080 MNT_NODE_ERROR = 32768 // 0x8000 }; // Create bool Save( MCD_CSTR_FILENAME szFileName ); const MCD_STR& GetDoc() const { return m_strDoc; }; ...
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What are the differences between Generics in C# and Javaand Templates in C++? [closed]

...e from this situation, consider the following code: Y<int>::my_type(123); This code statement is perfectly valid and tells C++ to execute the function call to Y<int>::my_type. However, if my_type is not a function but rather a type, this statement would still be valid and perform a sp...
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How to find list of possible words from a letter matrix [Boggle Solver]

... for letter in word.lower(): if 97 <= ord(letter) < 123: nextNode = curNode.children[ord(letter) - 97] if nextNode is None: nextNode = TrieNode(curNode, letter) curNode = nextNode curNode.isWord = True...
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Why are Subjects not recommended in .NET Reactive Extensions?

...sage2(), and message3() as messages are generated. It seems like messageX[123] would call OnNext on a subject, but is there a better way? – James Moore Apr 11 '16 at 17:18 1 ...
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For-each over an array in JavaScript

... 123 Loop backwards I think the reverse for loop deserves a mention here: for (var i = array.leng...