大约有 32,000 项符合查询结果(耗时:0.0469秒) [XML]

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Why use iterators instead of array indices?

... @GMan - in almost all implementations, size() is fast for lists just as much for vectors. Next version of the standard will require this to be true. The real problem is the slowness of retreval by position. – Daniel Earwi...
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A monad is just a monoid in the category of endofunctors, what's the problem?

...lete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler. The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational texts of Category Theory. Here it is in context, which is probably the bes...
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biggest integer that can be stored in a double

... do you want? Go on, ask me what the largest integer is, such that it and all smaller integers can be stored in IEEE 64-bit doubles without losing precision. An IEEE 64-bit double has 52 bits of mantissa, so I think it's 253: 253 + 1 cannot be stored, because the 1 at the start and the 1 at the e...
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Do you (really) write exception safe code? [closed]

...hen, answer the hidden question behind them. Answering questions Do you really write exception safe code? Of course, I do. This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics), but I am digressing: This is a C++ question. It is, in fact, necessary whe...
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LINUX: Link all files from one to another directory [closed]

I want to link ( ln -s ) all files that are in /mnt/usr/lib/ into /usr/lib/ 4 Answers ...
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What do the icons in Eclipse mean?

...good for SO to have the answer for future reference; I wondered about them all the time when I was new to Eclipse (this was before I discovered SO). ...
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IntelliJ: How to auto-highlight variables like in Eclipse

... You'll definitely want to install the "Identifier Highlighter" plugin too, which allows you to easily navigate between highlighted usages. – Daniel Alexiuc Sep 20 '11 at 0:15 ...
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How to use IntelliJ IDEA to find all unused code?

When I am in a .java file the unused code is usually grayed out or has a green underline saying this code will probably (probably because of some weird JNI/Reflection corner cases) be unused. But I have this project with thousands of Java files and I want to find ALL INSTANCES of such probable-unuse...
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“Has invalid child element” warnings in Microsoft.Common.Targets while building

...k it to get more info, the Microsoft.Common.Targets pops up and then I get all on the warnings. 1 Answer ...
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Convert all strings in a list to int

In Python, I want to convert all strings in a list to integers. 4 Answers 4 ...