注释1处,定义发送的延迟消息,用来展示loading,注意这是一个lambda表达式,并没有显式的声明类型。 fun onClick(v: View) { when () { .btn_send_msg -> { //点击按钮后,延迟5秒发送消息展示loading Log.i(TAG, "onClick: 发送延迟消息") handler.postDelayed(showDialogRunn
对于deleteWhere,默认提供目标数据表T: Table环境,以及ISqlExpressionBuilder作为参数传入。 此时,给where传入一个 lambda 函数,其this自然会指向一个SqlExpressionBuilder对象。 但是如果给deleteWhere传入一个 lambda 函数,其this指向的是T: Table,我们想要的的SqlExpressionBuilder对象被放在了参数it当中。自然,通过this是...
Target platform: JVMRunning on kotlin v. 1.3.72 现在,它只会从 lambda 表达式中返回。通常情况下使用隐式标签更方便。 该标签与接受该 lambda 的函数同名。 fun foo() { listOf(1, 2, 3, 4, 5).forEach { if (it == 3) return@forEach // 局部返回到该 lambda 表达式的调用者,即 forEach 循...
Pycharm 中 遇到Unresolved reference’mertics‘ 在编程过程中,遇到很多错误,提示都是unresolved reference,解决办法如下: 1、点击菜单栏上的File -> Setting ->Build,Executing,Development ->Console -> Python Console 2、将Add source roots to PYTHONPATH勾选上 3、点击Apply 4.ok 5.清除缓存... ...
(TCPTransport.java:796) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676) at java....
Does anyone know if there is a book about Sparx systems Enterprise Architect ? (besides sparx site and reference) Sparxsystems Central Europe offer their own book, based on Enterprise Archtect. Projec... AWS lambda auto scaling I'm trying to develop a data pipeline using AWS lambda and I ...
Reference Directories C:\TreppCode\trepp-4.28.5-windows-vs2010-32bit;$(IncludePath) Library Directories C:\TreppCode\trepp-4.28.5-windows-vs2010-32bit;$(IncludePath)C/C++ : Set Path of lib/Header file in following Option :-**Additional Include Directories ** C:\TreppCode\trepp-4.28.5...
PYTHONPATH=src/lambda/<function-name>/.venv/lib/python3.7/site-packages The problem here is that I may have several of these functions, let's say foo and bar. Of course one can set multiple folders into PYTHONPATH separated by os.pathsep, which would mean I'd have to configure: PYTHON...
"A variable with static storage duration cannot be captured in a lambda" #error <thread> is not supported when compiling with /clr or /clr:pure. #include is grey <Error reading characters of string> associated with <Access violation reading location> 0x80010108 - RPC_E_DISCONNECTED...
python3不能直接使用reduce()函数,因为reduce() 函数已经被从全局名字空间里移除了,它现在被放置在fucntools 模块里,所以要使用reduce函数得先饮用