四、 协程离不开的4个东西 suspend function ： 即挂起函数 CoroutineScope： 即协程作用域 CoroutineContext： 即协程上下文 CoroutineBuilder： 即协程构建器 巴拉巴拉一堆名词。写个最简单的协程代码，然后圈出来看一下。了然了然一下 最简单的协程代码 fun log(msg: Any?) =
Option 3: Setup a crontab on macOS or Linux to refresh token Use the Crontab Unix-based tool to periodically refresh tokens by creating a generateToken.sh file and running it at intervals. # Run generate token script daily at 9AM0 9 * * * /path/to/generateToken.sh So * * * * * me...
Example: funfail(message:String):Nothing{throwIllegalArgumentException(message) }funmain() {valname:String=fail("This function never returns")//Compiler knows this line won't return} 12. How does Kotlin'srunCatchingfunction simplify error handling? Kotlin'srunCatchingfunction is a higher-order func...
So, aFlowis suitable for handling the scheduling of repeatable tasks,especially in the context of applications that require operations that are repeated periodically. Let’s create a simple scenario: val flow = flow { while (true) { emit(Unit) delay(1000.milliseconds) } } ...
I have a need for a time based chunked too. I have a stream of analytics events originating in an mobile app. I would like to chunk them in time-based windows, so that I can send them to the backend periodically without initiating too many network connections. Say, chunk events for a...
This article is a follow-up to one I published in April 2019. You can find it here. Also part 2 is now available here. 2023 update: the article is updated periodically with minor improvements (same…
This pattern can be really helpful when more than one object needs to be informed wehn a value has changed,rather than having each dependent object periodically call and check if the resource is updated. Observable takes two parameters--the initial value and the listener handler that will be ...
• Isolate and tune any part of the query, such as a function call, that takes excessive【ɪkˈsesɪv过度的;过分的;】 time. Depending on how the query is structured, a function could be called once for every row in the result set, or even once for every row in the table, ...
* This function gets called by the timer code, with HZ frequency. * We call it with interrupts disabled. * 这里注释就比较清楚了,由计时器调度,调度的频率为HZ */ void scheduler_tick(void) { int cpu = smp_processor_id(); struct rq *rq = cpu_rq(cpu); ...
This is part of the advanceToAvoidLeaks, but if I'm testing against coroutine that is being executed for a long time, doing something periodically, it becomes pain to test. Collaborator dkhalanskyjb commented May 19, 2021 Looks like this issue is an instance of #1910. Author matejdro...