大约有 42,000 项符合查询结果(耗时:0.0420秒) [XML]

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What is a typedef enum in Objective-C?

I don't think I fundamentally understand what an enum is, and when to use it. 13 Answers ...
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Git submodule update

I'm not clear on what the following means (from the Git submodule update documentation): 4 Answers ...
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Is duplicated code more tolerable in unit tests?

I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...
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Understanding __get__ and __set__ and Python descriptors

I am trying to understand what Python's descriptors are and what they are useful for. I understand how they work, but here are my doubts. Consider the following code: ...
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Determine if a function exists in bash

Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined. ...
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Can you attach Amazon EBS to multiple instances?

We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution? ...
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What is null in Java?

What is null ? 14 Answers 14 ...
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IllegalArgumentException or NullPointerException for a null parameter? [closed]

I have a simple setter method for a property and null is not appropriate for this particular property. I have always been torn in this situation: should I throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood...
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How do I expand a tuple into variadic template function's arguments?

Consider the case of a templated function with variadic template arguments: 13 Answers ...
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What is the difference between __init__ and __call__?

I want to know the difference between __init__ and __call__ methods. 13 Answers ...