大约有 42,000 项符合查询结果(耗时:0.0374秒) [XML]

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Difference between “include” and “require” in php

Is there any difference between them? Is using them a matter of preference? Does using one over the other produce any advantages? Which is better for security? ...
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What are inline namespaces for?

C++11 allows inline namespace s, all members of which are also automatically in the enclosing namespace . I cannot think of any useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic s...
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How do I find the duplicates in a list and create another list with them?

How can I find the duplicates in a Python list and create another list of the duplicates? The list only contains integers. ...
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How to send objects through bundle

I need to pass a reference to the class that does the majority of my processing through a bundle. 11 Answers ...
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Error handling in C code

What do you consider "best practice" when it comes to error handling errors in a consistent way in a C library. 22 Answers ...
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Internal typedefs in C++ - good style or bad style?

Something I have found myself doing often lately is declaring typedefs relevant to a particular class inside that class, i.e. ...
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C# code to validate email address

What is the most elegant code to validate that a string is a valid email address? 43 Answers ...
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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?

Can anybody give a clear explanation of how variable assignment really works in Makefiles. 6 Answers ...
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Is it a good practice to place C++ definitions in header files?

My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
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What is the purpose of XORing a register with itself? [duplicate]

xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ? ...