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c# - CS7036: There is no argument given that corresponds to the required formal parameter 'amount' of 'PlayerHealt.takeDamage(float)'

I have been trying to build a A takeDamage function in my game but it keeps giving me this error: There is no ... appriciated. The problem is on line 1 according to the debugger....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于mybatis中多对多查询的一个疑问

Xml配置下多对多效果一个Role对应多个user 一个user对应多个role 一对多效果一个user对应多个account 一个account对应一个user 所以一对多和多对多的实现方法是一样的？？然后效果也是一样的。。只是多对多，需要一张中间表来过渡里才能查到对应记录，并且双向都可以是多条记录？？是这个道理吗？？？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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AWS cost one vs many lambda functions

I am currently developing an API management platform where it is possible to move every endpoint action to a serverless ... So please let me know if you have any experiences....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Git 如何 Pull 指定分支

例如我当前在 master 分支，我想更新一下本地的 develop 分支。常规方法是 checkout 到 develop 分支，然后 git pull。但是我不想 checkout ，能否在 master 分支上就把 develop 分支更新了呢...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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azure - ##[error]Bash exited with code '1'. When deploying using Pipelines

This is my first time deploying something using Pipelines, and it isn't going very well I've setup my github ... and tell me whats causing the issue enter image description here...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Oauth redirection URL is not dynamic

my requirement is i need to authorize google users using OAuth2 dynamically upon every request and respond in personalized way. The ... changed to '%s'" % rsp['signature']) '''...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Bootstrap 5 mobile menu is not hiding after click

I'm new in bootstrap. I'm using version 5 and can't solve my problem with responsive navigation. I want it to hide after clicking on the ... </a> </li> </ul> </div> </div> </nav>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - how can I calculate mean of every 6 rows in a data frame based on the condition of other column?

I have a dataframe in R, contain 3000 rows and 2 columns (temp, flag), I am trying to calculate "meantemp" as ... to show in the meantemp column NA value. sorry for this question....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Why is the pipe operator not working when I use ranges in C++20?

I am currently working through examples from the book Expert C++. In chapter 7, they offer the following code for mapping a ... else have this issue? I am using the g++10 compiler....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - watching courses react native expo and react-native cli

I have knowledge about react native with cli, while in most of the courses they used react native with expo, my ... react native with cli? are there big differences between them ?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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prolog - Problems with writing to file

I have some prolog codes, I print processes on terminal. Also I write to file, what I print on terminal. I put ... . Can you give me advice for writing same outputs with terminal?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ES6 import 文件使用绝对路径该怎么写？

ES6 import 绝对路径文件该怎么写？比如 vue 项目中的某个 .vue 文件我在 script 里需要获取 public 目录下的静态文件我想通过绝对路径的方式调用, （假设public 目录下有 abc.json 文件）可是直接写 ... 取到该文件，反而被当做是一个模块目前解决方案是使用相对路径，有人知道使用绝对路径该如何调用吗？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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kubernetes - Running k3s on with pi zero

when using k3sup to setup k3s with raspbian buster on raspberrypi 4b it works (armv7 architecture; with reference ... kubernetes-to-your-raspberry-pi-in-15-minutes-84a8492dc95a )...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Finalization of object fields

I'm having difficulty understanding the implications of sections 12.6.1 and 12.6.2 of the Java SE 8 Language specification ... true, or explanations for why one or more is false....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

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react-native statusbar 偶尔失效问题？

statusbar 偶尔失效(设置透明)，找不到原因在github看到类似的issuse,但任然没有解决方案请问大家有解决方案或遇到这种情况吗？ https://github.com/facebook/r... https://github.com/react-nati......

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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squid 透明代理 https的几个问题

使用squid开启了squid的透明代理在nat服务器上添加一条port 80转发的3128的规则 iptable -t nat -A PREROUTING -i eth0 -s 192.168.0.0/24 -p tcp --dport 80 -j ... 是为什么要将80转发的3128呢?客户端的的tcp或者udp数据为什么会到达服务器的80端口呢?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue如何组件如何调用执行自己的生命周期（头部input搜索的实现问题）

题目可能描述的不清楚请看具体需求： header.vue 封装的全局的头部组件，带一个搜索框，所有页面都会引入这个这个header ` <div style="width:326px;margin:0 100px"> <el-input ... 变化求问这个时候要怎么写才能在detail.vue中同样能执行搜索查询或者有别的思路吗...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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请问这个webstorm报错是什么原因呢？

如下图，每个页面都是这样的红色波浪线。点了以后是这样提示的、语法有问题吗？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Anychart bar chart x-labels not fixing chart area?

I'm facing a problem. The x labels in a bar chart get out of the chart area. I'm using wordWrap and wordBreak ... .imageshack.com/img923/5839/eJ9obs.png How can i fix it? Thanks...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to make an accordion with array in Javascript?

I'm trying to make an accordion with HTML, CSS, and Javascript. I made it but it displays text from an array in only one ... > <script src="script.js"></script> </body> </html>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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前端如何实现游戏地图定位并切换的功能

前端如何实现游戏大地图中点击切换小地图的效果？背景：大地图是一张图片已知背景为这个地图，我想实现点击目标1，切换到小地图上问题：目标1在该页面时该如何定位？目前完全没有思路，有没有对应的库来做这种事情，保证目标1在不同大小的显示器上始终在这个小岛上，并且可获取目标1的点击事件？### 问题描述...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C++里为什么空指针也能调用函数成员？

#include <iostream> using namespace std; class A{ public: void f(){ cout<<this<<endl; } }; int main() { A *a = nullptr; a->f(); return 0; ... 0 为什么 a->f() 这种空指针调用成员函数是允许的？它的机制是什么？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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Error: Invalid dest() folder argument

执行 npm run dev:watch的时候报这个错，怎么解决？ (node:17372) UnhandledPromiseRejectionWarning: Error: Invalid dest() folder argument. Please ... [10:14:45] Finished '<anonymous>' after 2.49 ms...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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247 views

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ODBC插件加载失败

我在DolphinDB database GUI中加载ODBC插件： loadPlugin("plugins/odbc/PluginODBC.txt") 执行后报错： Couldn't load the dynamic library [plugins/odbc/ ... ：我服务器的操作系统是CentOS7.6 请问可能是什么原因？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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193 views

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java - Local Listener in Oracle Database

I learn Oracle Databases and have some question: If i have 1 default listener: LOCAL LISTENER, (address=(protocol=tcp) ... from "trusted" sources. It's often practice in services....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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初学，关于javascript的问题？

菜鸟一枚，刚学javascript，有个实例化对象的问题想问一下各位： function b() { alert(1); } var a = new b(); alert(a()); function b() { alert(1); } var ... 是上面两种都不行，请问为啥第一种在浏览器上报错，第二种是Object object/(ㄒoㄒ)/~~...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

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img是不是行块元素（inline-block）？

有位大佬问我元素怎么分类我说block inline-block inline 他又问还有吗，我说没了吧他说那图片呢？我说图片是inline-block 他说你确定吗你在想想我说确定他又问那canvas呢？我看这个规律估计着他是再 ... 是行块元素？ ps：后续我查了一些资料很多都会把图片分类为行块但是没找到如w3c mdn这种的资料说明...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

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遇到“ min = max = nums [0];”问题

我正在学习有关CoreJava的初学者指南已经开始学习数组了，不知道是否在前面的课程中错过了一些内容，我想了解如何在以下代码中获取值： // Find the minimum and maximum values in an array ... 这看起来像min 0 = max 0 = nums [0]；因此-9将小于0或min，而18将大于0或max ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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