大约有 5,215 项符合查询结果(耗时:0.0401秒) [XML]

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Should IBOutlets be strong or weak under ARC?

I am developing exclusively for iOS 5 using ARC. Should IBOutlet s to UIView s (and subclasses) be strong or weak ? 11...
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Alternatives to gprof [closed]

What other programs do the same thing as gprof? 7 Answers 7 ...
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Why is a round-trip conversion via a string not safe for a double?

Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent: 3 Answers ...
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What is the advantage of GCC's __builtin_expect in if else statements?

I came across a #define in which they use __builtin_expect . 6 Answers 6 ...
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How to send data to local clipboard from a remote SSH session

Borderline ServerFault question, but I'm programming some shell scripts, so I'm trying here first :) 11 Answers ...
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What do single quotes do in C++ when used on multiple characters?

I'm curious about this code: 5 Answers 5 ...
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?

I've been digging through some parts of the Linux kernel, and found calls like this: 10 Answers ...
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When should I write the keyword 'inline' for a function/method?

When should I write the keyword inline for a function/method in C++? 15 Answers 15 ...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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When do I use fabs and when is it sufficient to use std::abs?

I assume that abs and fabs are behaving different when using math.h . But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined? ...