大约有 42,000 项符合查询结果(耗时:0.0372秒) [XML]

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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

In C, the compiler will lay out members of a struct in the order in which they're declared, with possible padding bytes inserted between members, or after the last member, to ensure that each member is aligned properly. ...
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Why are quaternions used for rotations?

I'm a physicist, and have been learning some programming, and have come across a lot of people using quaternions for rotations instead of writing things in matrix/vector form. ...
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What is an optional value in Swift?

From Apple's documentation : 13 Answers 13 ...
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On design patterns: When should I use the singleton?

The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design. 19 Answers ...
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REST API Best practices: Where to put parameters? [closed]

A REST API can have parameters in at least two ways: 14 Answers 14 ...
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Understanding generators in Python

I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round. ...
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Best practice for partial updates in a RESTful service

I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
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Why does one use dependency injection?

I'm trying to understand dependency injections (DI), and once again I failed. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes us...
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TCP: can two different sockets share a port?

This might be a very basic question but it confuses me. 5 Answers 5 ...
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Append value to empty vector in R?

I'm trying to learn R and I can't figure out how to append to a list. 8 Answers 8 ...