我正在尝试转换以下JavaScript代码:
var Js_white = 0;
var Js_black = 1;
var Js_knightMvt = new Array(); //new int[2][64];
var Js_bishopMvt = new Array(); //new int[2][64];
function BoardCpy(a: Array, b: Array):void
{
for( var sq= 0; sq < 64; sq++ ) b[sq] = a[sq];
}
another
我对编程非常陌生(大约在3周前写了我的第一行html ),对于我自己的第一个项目,我想创建一个显示随机图像的小画廊。 首先,我只设法在每次调用函数时显示相同的图像,然后我设法使图像分别滚动,但可能会有重复。最后,在一些帮助下,我获得了当前版本: //Images array and global vars
let theImages = [];
for (let i = 0; i <= 25; i++) {
theImages[i] = "stevejohnson_" + i + ".jpg";
}
let l = theImages.leng
为什么这个代码:
let a = {};
let m = new Map(a);
给我一个错误:
code.0.0.128.js:33943 Uncaught TypeError: undefined is not a function
at new Map (native)
at http://localhost:/code.0.0.128.js:33943:26
at exports.default (http://localhost:/code.0.0.128.js:34006:7)
at combination (http://localhost:/co
我正在使用react制作一个演示。我正面临以下错误,而我试图打印我的费用数据内部的费用组成部分。如果我在没有useState的情况下传递数据,它是工作的,但是如果我使用的是useState,它是不工作的。
误差
Uncaught TypeError: props.expenses.map is not a function
at Expenses (Expenses.js:18:1)
at renderWithHooks (react-dom.development.js:14985:1)
at updateFunctionComponent (react-dom.de
我正在从事阿波罗、GraphQL和Nuxtjs项目,在设置阿波罗配置时,我收到了以下警告:
link.js:38 Error: You are calling concat on a terminating link, which will have no effect
at new LinkError (linkUtils.js:41)
at concat (link.js:38)
at ApolloLink.webpackJsonp../node_modules/apollo-link/lib/link.js.ApolloLink.concat (link.js:65)
at link.j
我有这样的mongoose模式:
var question = new Schema({
title : String,
gambar : String
});
var polling = new Schema({
id_poll : String,
soal : [question]
});
我想通过数组的索引删除所有子文档soal,使用findOneAndRemove方法,如下所示,
polling.findOneAndRemove({_id:req.params.poll_id, soal[req.params.soal]._id: req.params.id_soal},
在我开始之前,我很确定是我90%的答案,但是我只是不知道如何将它应用到我的情况中,所以我很感谢您的帮助。
当我使用JavasriptSerializer序列化数组时,如下所示:
string foo()
{
int[][] JaggedArray = new int[5][];
int i = 0;
JaggedArray[i] = new int[] { 1, 10, 100 };
i = i + 1;
JaggedArray[i] = new int[] { 2, 20, 200 };
i = i + 1;
JaggedArray[i
您好,我正在尝试使用dotenv-webpack与我的webpack配置文件,我似乎不知道如何处理以下错误…
.definitions is not a valid Plugin property
- Maybe you meant to use
"plugin": [
["@babel/plugin-transform-runtime", {
"definitions": {
"process.env.REACT_APP_WEATHERAPI": "\"XXXXXXX\""
}
我看到答案是“javascript的代码在DOM包含#年元素之前执行。将javascript放在div之后或使用jQuery.ready()”,但我不知道应该放在哪个div之后?
<script src="/bower_components/morris.js/morris.min.js"></script>这是脚本包含吗?
错误:
Uncaught Error: Graph container element not found
at d [as constructor] (morris.min.js:6)
at d.c [as co
我正在修复发生的错误消息,但它以前也正常工作。我正在发送带有多个令牌的FCM通知,并收到以下错误
0|api | 2020-2-11 13:26:26 [ExceptionsHandler] Exactly one of topic, token or condition is required
0|api | +542752ms
0|api | Error: Exactly one of topic, token or condition is required
0|api | at FirebaseMessagingError.Fire
我的控制器里有以下代码..。
public ActionResult GetData()
{
var data = new[] {new Entry() {value = 20, year = 2008}, new Entry() {value = 10, year = 2009}};
return Json(data, JsonRequestBehavior.AllowGet);
}
public class Entry
{
public int year { get; set; }
//Then
client.AddCommand("INFODENSUS88", async (x) =>
{
string html = await new WebClient().DownloadStringTaskAsync("https://www.erevollution.com/en/api/military-unit/177");
//output html is working fine
us
我的文件controller.js,
现在希望使用sapui 5在数组中绑定json对象。
onInit: function() {
var elementArray=['ID','Name','Description','ReleaseDate','DiscontinuedDate','Rating','Price'];
var oModel = new sap.ui.model.json.JSONModel(elementArray);
我正在尝试使用dojo的新AMD功能来完成简单的任务,并且我没有在屏幕上看到错误,也没有显示结果...
我想重写dojo参考指南中提到的第一个编程示例dijit.Tree:
<script type="text/javascript">
dojo.require("dojo.data.ItemFileReadStore");
dojo.require("dijit.Tree");
dojo.ready(function(){
var store = new dojo.data.ItemFileReadStore({
var loader = new THREE.JSONLoader();
loader.load( "models/1.json", function( geometry ) {
var material = new THREE.MeshFaceMaterial();
var object = new THREE.Mesh( geometry, material );
scene.add( object );
});
这段代码取自three.js/doc。在浏览器中启动时,看到未捕获的长度:无法读取JSONLoader.js:171中未定义的属性‘TypeError’。我使用的
我在做estimateGas。这是我的密码。
var sdate = new Date('2021-07-01 00:00:00');
var edate = new Date('2021-07-31 00:00:00');
var arrDate = [];
arrDate.push(sdate/1000);
arrDate.push(edate/1000);
var arrCategory = [1,12,14];
var param1 = web3.eth.abi.encodeParameter('uint32[]',arrDate);
为什么下面的代码(保存为dummy.js)抛出一个错误?解决办法是什么?
var Stream = require('stream');
var src = new Stream.Readable();
var dest = new Stream();
dest.writable = true;
dest.write = function(data) { console.log("dest:",data); };
["1","2","3"].forEach(function(f) { console.log(
src/QuickSort.js
var quick_sort = function(unsorted) {
if (unsorted.size <= 1)
return unsorted;
var pivot = unsorted.pop();
var less = new Array();
var greater = new Array();
unsorted.forEach(function(element){
if (element > pivot)
less.push(element);
else
g
尝试让raycasting与threejs一起工作,但我在控制台中得到了这个错误。
Uncaught TypeError: a.raycast is not a function
Le Fiddle
有什么想法吗?
// Simple three.js example
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();
var mesh, renderer, scene, camera, controls;
window.addEventListener('click', mou
当我尝试运行计数函数时,我得到
错误:这里不允许解析对象
E2015-11-09T12:36:10.778Z]v184 Ran cloud function count with:
Input: {}
Result: Error: Parse Objects not allowed here
at n (Parse.js:16:1063)
at Parse.js:16:1927
at Array.map (native)
at n (Parse.js:16:1904)
at n (Parse.js:16:1995)
at r.de