大约有 41,000 项符合查询结果(耗时:0.0314秒) [XML]

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How would one write object-oriented code in C? [closed]

...; // This is a non-virtual call Stack.push(st, thing1); // This is like casting *st to a Stack (which it already is) and doing the push st->my_type.push(st, thing2); // This is a virtual call } I didn't do the destructor or delete, but it follows the same pattern. this_is_here_as_an_exam...
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How to define a custom ORDER BY order in mySQL

...ally it will use that internal index instead of the string values ( unless CAST() is used to make it back to a VARCHAR) – Simon at My School Portal Mar 26 '15 at 9:36 ...
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python assert with and without parenthesis

...nd the expression is evaluated as a tuple, which is always True when being casted to bool share | improve this answer | follow | ...
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What does Class mean in Java?

...s<Foo>. That way you can create a new instance, for example, without casting: Foo foo = clazz.newInstance(); if you don't use generics at all, you'll get a warning at least (and not using generics is generally discouraged as it may lead to hard-to-detect side effects) ...
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How to use shared memory with Linux in C

... Why are you casting 0 into a void* instead of using NULL ? – Clément Péau Mar 28 '17 at 15:45 ...
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Will Dart support the use of existing JavaScript libraries?

...through our issue tracker @ link. I do not believe this decision has been cast in stone yet. – jtmcdole Oct 13 '11 at 18:50 1 ...
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Best way to store time (hh:mm) in a database

..., while also making conversion to a DATETIME simple. For example: SELECT CAST(0.5 AS DATETIME) --1900-01-01 12:00:00.000 Storing the value as a DECIMAL(9,9) would consume 5 bytes. However, if precision to not of utmost importance, a REAL would consume only 4 bytes. In either case, aggregate calc...
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What does the M stand for in C# Decimal literal notation?

... not lose/garble any information. The same is not true of decimal numbers. Casting the double value 0.42 to decimal can give you a different value than 0.42M (and the same for using a double literal in place of a float literal - float val = 423.3 also fails). So you're choosing between a subtly wron...
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How do I write data into CSV format as string (not file)?

I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string. 6 Answers ...
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When NOT to use yield (return) [duplicate]

...the collection itself would allow the end user to modify it (with a proper cast), whereas the first method would not. – Grx70 Jul 19 '15 at 9:04 1 ...