大约有 8,140 项符合查询结果(耗时:0.0499秒) [XML]

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Using @property versus getters and setters

Here is a pure Python-specific design question: 13 Answers 13 ...
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Hibernate vs JPA vs JDO - pros and cons of each? [closed]

I'm familiar with ORM as a concept, and I've even used nHibernate several years ago for a .NET project; however, I haven't kept up with the topic of ORM in Java and haven't had a chance to use any of these tools. ...
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How can I exclude all “permission denied” messages from “find”?

I need to hide all permission denied messages from: 17 Answers 17 ...
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How to merge YAML arrays?

...o achieve this as follows: # note: no dash before commands some_stuff: &some_stuff |- a b c combined_stuff: - *some_stuff - d - e - f This is equivalent to: some_stuff: "a\nb\nc" combined_stuff: - "a\nb\nc" - d - e - f I have been using this on my gitlab-ci.ym...
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Iterator invalidation rules

... C++17 (All references are from the final working draft of CPP17 - n4659) Insertion Sequence Containers vector: The functions insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capacity. Reallocation invalidates all the references, p...
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

So, a colleague introduced me to the publish/subscribe pattern (in JS/jQuery), but I'm having a hard time getting to grips with why one would use this pattern over 'normal' JavaScript/jQuery. ...
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术

...稳健和快速。在MSDN的Real-Time Data FAQ上有其性能描述(http://msdn.microsoft.com/en-us/library/aa140060(v=office.10).aspx#odc_xlrtdfaq_whatisrtd),据说在一台配置为 Pentium III 500 MHz 的CPU和 128 MB 内存的电脑上,RTD可以在一秒内对20000个独立的主题(to...
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Which kind of pointer do I use when?

Ok, so the last time I wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all ...
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What are the advantages of using nullptr?

This piece of code conceptually does the same thing for the three pointers (safe pointer initialization): 7 Answers ...
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What is the most effective way for float and double comparison?

What would be the most efficient way to compare two double or two float values? 31 Answers ...