大约有 850 项符合查询结果(耗时:0.0277秒) [XML]

https://stackoverflow.com/ques... 

How to copy files from 'assets' folder to sdcard?

... This would be concise way in Kotlin. fun AssetManager.copyRecursively(assetPath: String, targetFile: File) { val list = list(assetPath) if (list.isEmpty()) { // assetPath is file open(assetPath).use { input -> ...
https://stackoverflow.com/ques... 

Android Fragment onClick button Method

... For Kotlin users: override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) : View? { // Inflate the layout for this fragment var myView = inflater.inflate(R.la...
https://stackoverflow.com/ques... 

How to assertThat something is null with Hamcrest?

...owing (from Hamcrest): assertThat(attr.getValue(), is(nullValue())); In Kotlin is is reserved so use: assertThat(attr.getValue(), `is`(nullValue())); share | improve this answer | ...
https://bbs.tsingfun.com/thread-1001-1-1.html 

App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...实物计算器,给用户一种良好的使用体验。但对于我们的编程过程来说,还是应该从实现最简单的功能入手,先实现常规操作,否则将会迷失在各种不确定之中。一、输入数字(1)设置三个全局变量:前数、后数、算符如第一...
https://www.tsingfun.com/it/os... 

bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...加喜欢用tracepoints探针,因为tracepoints有稳定的应用程序编程接口。注意:现代linux系统(glibc >= 2.26),open总是调用openat系统调用。 comm是内建变量,代表当前进程的名字。其它类似的变量还有pid和tid,分别表示进程标识和线程标...
https://stackoverflow.com/ques... 

How can I get a resource content from a static context?

... My Kotlin solution is to use a static Application context: class App : Application() { companion object { lateinit var instance: App private set } override fun onCreate() { super.onCreate() ...
https://stackoverflow.com/ques... 

How to hide soft keyboard on android after clicking outside EditText?

...() and extend this class instead of ``Activityin your program Here is a Kotlin version of the above function: @file:JvmName("KeyboardUtils") fun Activity.hideSoftKeyboard() { currentFocus?.let { val inputMethodManager = ContextCompat.getSystemService(this, InputMethodManager::class....
https://stackoverflow.com/ques... 

Repeat a task with a time delay?

... task taskHandler .removeCallbacks(repeatativeTaskRunnable ); UPDATE: In Kotlin: //update interval for widget override val UPDATE_INTERVAL = 1000L //Handler to repeat update private val updateWidgetHandler = Handler() //runnable to update widget private var updateWidgetRu...
https://www.tsingfun.com/it/cp... 

C++ Lock-free Hazard Pointer(冒险指针) - C/C++ - 清泛网 - 专注C/C++及内核技术

...还没有太多的了解。本文主要介绍 Hazard Pointer,一种无锁编程中广泛使用的安全内存回收方法,适用于需要高性能读、读多写少的场景。其论文可参考文献 1,标准草案可参考文献 2,代码实现可参考 Folly 中的 HazPtr。 2. Hazard Poi...
https://www.tsingfun.com/it/cpp/1436.html 

MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术

...  pSubMenu->RemoveMenu(1,MF_BYPOSITION); [page]VC++中的3D按钮的编程[/page]26. VC++中的3D按钮的编程 运 行AppWizard生成一个基于对话框的test工程,在对话框中加入一个CButton控件。在CButton控件的General属性页将控件的 ID改为IDC_3DTEXTBTN,Capti...