System.arraycopy(es, i + 1, es, i, newSize - i); es[size = newSize] = null; } 1. 2. 3. 4. 5. 6. 7. 8. 我们发现每调用一次remove()方法,modCount就会自增,而expectedModCount 默认和modCount相等,当modCount自增加1,而expectedModCount 没有增加,就会抛出异常,这也就是foreach遍历时抛...
function spread(array) {let queue = new Queue();for (let people of array) {queue.enqueue(people);}while (queue.size() > 1) {for (let i = 0; i < 6; i++) {let first = queue.dequeue(); //第一个元素移除队列queue.enqueue(first); //刚刚出列的元素进入队列}queue.dequeue();}re...
Usepop()to Remove an Array Item in TypeScript pop()has similar functionality asshift(), but the difference between the two functions is that whileshift()removes the first element of an array,pop()removes the last element of an array and returns it. ...
functionLogOutput(tarage:Function,key:string,descriptor:any){letoriginalMethod=descriptor.value;letnewMethod=function(...args:any[]):any{letresult:any=originalMethod.apply(this,args);if(!this.loggedOutput){this.loggedOutput=newArray<any>();}this.loggedOutput.push({method:key,parameters:args,outpu...
useEventListenerFunction to add and remove event listeners using Vue lifecycle hooks(target: HTMLElement | Window | Document, event: string, callback: Function) => void useMutationObserverFunction to observe changes in DOM elements usingMutationObserver(target: Ref | Ref[] | HTMLElement | HTMLEleme...
For example, if we wanted to write a type to get the element types of nested arrays, we could write the followingdeepFlattentype. Copy typeElementType<T>=TextendsReadonlyArray<inferU>?ElementType<U>:T;functiondeepFlatten<Textendsreadonlyunknown[]>(x:T):ElementType<T>[]{throw"not implemented...
{returnuserRepository.findById(id);}@Post('/users')post(@Body()user:User){returnuserRepository.insert(user);}@Put('/users/:id')put(@Param('id')id:number,@Body()user:User){returnuserRepository.updateById(id,user);}@Delete('/users/:id')remove(@Param('id')id:number){returnuser...
onEvents(optional, array(string=>function) ) binding the echarts event, will callback with theecharts event object, andthe echart objectas it's paramters. e.g: letonEvents = {'click':this.onChartClick,'legendselectchanged':this.onChartLegendselectchanged ...
本文适合对有 Python 语言有一定基础的人群,希望利用 Python 做更多有意思的事情,比如搭建个人博客,记录自己的所思所想,或者想找一个项目实践前后端分离技术等等。跟...
【强制】声明数组时使用 foos:Foo[] 而不是 foos:Array<Foo>,便于阅读 【强制】interface 尽量进行 extends 而不是从零写 【强制】使用?来替代 undefined 类型 4. Vue规范 【强制】组件名为多个单词。组件名应该始终是多个单词组成(大于等于 2),且命名规范为KebabCase格式。这样做可以避免跟现有的以及未来的 HT...