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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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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...
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String variable interpolation Java [duplicate]

... You can use Kotlin, the Super (cede of) Java for JVM, it has a nice way of interpolating strings like those of ES5, Ruby and Python. class Client(val firstName: String, val lastName: String) { val fullName = "$firstName $lastName"...
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内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...自动管理内存。为什么必须管理内存 内存管理是计算机编程最为基本的领域之一。在很多脚本语言中,您不必担心内存是如何管理的,这并不能使得内存管理的重要性有一点点降低。对实际编程来说,理解您的内存管理器的能...