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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术

“hello, world” 起源及其他学过编程语言的人都笑了,在程序员心目中,hello world是一切的开始,程序语言教科书的第一个演示程序、WordPress的第一篇示例文章(我的hello world)、环境搭建成功后的第一个测试… 问题的提出 相传...
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ADO方式读取EXCEL数据存在致命BUG!!!!! - 更多技术 - 清泛网 - 专注C/C++及内核技术

ADO方式读取EXCEL数据存在致命BUG!!!!!本文适合使用VBA编程(清泛网注:C++ ADO读Excel也适用)的网友阅读。在进行VBA编程时,为了使程序适用范围广,执行效率高,大家都喜欢使用A...本文适合使用VBA编程(清泛网注:C++ ADO读Excel也适用)...
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How can I make my custom objects Parcelable?

...zableParcelable Generator (The MIT License) Parcelable Code Generator (for Kotlin) (Apache License 2.0) These plugins generate Android Parcelable boilerplate code based on fields in the class. share | ...
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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...后又多了一种选择,在技术思路上也开阔了很多。 回想编程生涯这些年,2001年开始学习Asp,2002年学习Javascript,2003年学习Asp.Net/C#,2009年学习Objective-C,2013年又跳到前端这个大坑,从Nodejs到 jQuery到 Angularjs到现在的 React。这一...
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为什么我们程序员写不出好代码? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...不可原谅的最后一次迭代行为。 这种不考虑之前已完成编程工作的态度会拖慢项目的进度。傲慢和利己主义会导致程序员扔掉合适的代码,而以他们认为的“正确的方式”重新构建。 5.“以后再修复”思维模式即“技术债务”...
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How to delete a whole folder and content?

... In Kotlin you can use deleteRecursively() extension from kotlin.io package val someDir = File("/path/to/dir") someDir.deleteRecursively() share ...
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How to get a resource id with a known resource name?

... wikipedia says kotlin first appeared in 2011 , how can you answer a question about it in 2010 – Abhinav Chauhan Apr 22 at 7:08 ...
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Call an activity method from a fragment

... For Kotlin developers (activity as YourActivityClassName).methodName() For Java developers ((YourActivityClassName) getActivity()).methodName(); sha...
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Change Checkbox value without triggering onCheckChanged

...ckedChangeListener(mListener); } super.toggle(); } } Kotlin version, if you prefer: class CheckBox @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0) : AppCompatCheckBox(context, attrs, defStyleAttr) { private var listener: Comp...
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How to get the first element of the List or Set? [duplicate]

...wed by or encapsulated within the appropriate checks or try-catch blocks. Kotlin: In Kotlin both Arrays and most of the Collections (eg: List) have a first method call. So your code would look something like this for a List: val stringsList: List<String?> = listOf("a", "b", null) val first...