大约有 44,000 项符合查询结果(耗时:0.0478秒) [XML]

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Short form for Java if statement

I know there is a way for writing a Java if statement in short form. 15 Answers 15 ...
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How can a string be initialized using “ ”?

If String is a class just like any other, how can it be initialized using double quotes? 10 Answers ...
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What is the difference between graph search and tree search?

What is the difference between graph search and tree search versions regarding DFS, A* searches in artificial intelligence ? ...
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?

I noticed that with the optional parameters in C# 4 if you specify an optional parameter on an interface you don,t have to make that parameter optional on any implementing class: ...
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Why must we define both == and != in C#?

The C# compiler requires that whenever a custom type defines operator == , it must also define != (see here ). 13 Answe...
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PostgreSQL return result set as JSON array?

I would like to have PostgreSQL return the result of a query as one JSON array. Given 2 Answers ...
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How to join two sets in one line without using “|”

Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection: ...
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Haskell function composition (.) and function application ($) idioms: correct use

I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators. ...
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?

We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published. ...
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Why does C++ not allow inherited friendship?

Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know ...