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How to capitalize the first letter of a String in Java?
...() + str.substring(1);
}
After that simply call str = capitalize(str)
Kotlin:
str.capitalize()
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Android-java- How to sort a list of objects by a certain value within the object
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It's very easy for Kotlin!
listToBeSorted.sortBy { it.distance }
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苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
...国。
Swift 2 开源才是王道
Swift语言讲开放源代码，为APP编程带来更多可能。App Store目前有超过15000个应用是用Swift来开发的，越来越多的应用采用了苹果自家的编程语言。新的Swift 2语言发布，除了编译性能的提升，各种新功能...
MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Web MVP
在Desktop的时代，微软通过WinForms实现MVP，把组件化编程发挥到了极致，大大提升了开发效率，随着Web的兴起，微软希望延续这样的编程模式，所以使用WebForms实现了Web MVP，引入了CodeBehind，ViewState等设计概念。WebForms的优点...
How to correctly dismiss a DialogFragment?
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I gave an upvote to Terel's answer. I just wanted to post this for any Kotlin users:
supportFragmentManager.findFragmentByTag(TAG_DIALOG)?.let {
(it as DialogFragment).dismiss()
}
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android on Text Change Listener
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If you are using Kotlin for Android development then you can add TextChangedListener() using this code:
myTextField.addTextChangedListener(object : TextWatcher{
override fun afterTextChanged(s: Editable?) {}
override fun bef...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的效果。
进程地址空间中最顶部的段是栈，大多数编程语言将之用于存储局部变量和函数参数。调用一个方法或函数会将一个新的栈桢（stack frame）压入栈中。栈桢在函数返回时被清理。也许是因为数据严格的遵从LIFO的顺...
Error : BinderProxy@45d459c0 is not valid; is your activity running?
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what is the kotlin version for this? will isFinishing() be enough?
– Alok Rajasukumaran
Oct 12 '18 at 9:37
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Base 64 encode and decode example code
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For Kotlin mb better to use this:
fun String.decode(): String {
return Base64.decode(this, Base64.DEFAULT).toString(charset("UTF-8"))
}
fun String.encode(): String {
return Base64.encodeToString(this.toByteArray(charset...
Place cursor at the end of text in EditText
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Kotlin:
set the cursor to the starting position:
val editText = findViewById(R.id.edittext_id) as EditText
editText.setSelection(0)
set the cursor to the end of the EditText:
val editText = findViewById(R.id.edittext_id)...