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v2ex域名解析疑似被DNS污染，目前已经无法从国内访问

国内知名开发社区v2ex域名解析疑似被DNS污染，目前已经无法从国内访问，国内解析其域名会被解析到错误的IP地址。 v2ex网站介绍：v2ex一个创意工作者的社区，关注讨论编程、设计、硬件、游戏等令人激动的话题。网站：https://www.v2ex.com/...

recategorized Apr 13, 2021 in Others[杂七杂八] by happy (180 points)

php这是如何传参的？

url http//www.xx.cow/l.php?l=1&b=2 没有使用$_GET却能直取值使用，这是怎么设置的啊不用接收，$a直接就是1...

answered Jan 30, 2021 in Technique[技术] by ostack (1.4k points)

google chrome os - Is there any way to get the real ip of a Chromebook from an Android app?

I have an Android app that needs the real IP of the device, not the virtual network IP. I don't want the the public IP ... but I just want to check if anyone has found a way yet?...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

js按钮双击怎么不让它执行两次单击事件

js按钮双击怎么不让它执行两次单击事件...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

怎么打开eslint自动格式化功能？

eslintrc.js module.exports = { root: true, 'extends': [ 'plugin:vue/essential', '@vue/standard' ], rules: { // allow ... }, parserOptions: { parser: 'babel-eslint' } } 怎么配这个js？...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

实现findFibonacci函数，在一堆正整数中，找到最长的一组斐波那契数列段

javascript 编程题 // 实现findFibonacci函数，在一堆正整数中，找到最长的一组斐波那契数列段 // 斐波那契数列：一个递增的正整数数列，从第三位起，每个数字都是前两位数字之和，不一定要从 1 开始 // ... 13, 21]; 网上大部分的方法，都是找到最长的number，没有返回完整的lists; 完整lists的函数要怎么写吗...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

部分ios fixed定位导致dom元素不显示是怎么导致的呢？

正常情况下如下图，点击按钮第二个蓝色色块显示但在某些ios机型下点击按钮并不显示第二个色块具体定位方式为： body fixed定位，body下面有一个相对定位元素相对定位元素内有 ... = 'block'; document.body.style.position = 'fixed'; }) </script> </body> </html>...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

单页面应用为了保护其他页面的js和接口，是否有必要把登录页单独做为一个页面？

单页面应用未登陆时，即使只访问登录页/login，也能获取到其他页面的js。为了不暴漏接口，是否有必要把SPA改成MPA，让登录页单独一个页面？...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

performance - Discussion about block html cache in Magento 1 CE

For my own shame I always was misunderstanding of how cache works. This cache is being checked during rendering of each block as ... points or if I'm not - why is this happened?...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

el-table 动态循环出来的列,怎样对某一列格式化?

el-table 动态循环出来的列,怎样对某一列格式化...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

如何系统的学习three.js？

这里有一张3D家族图谱，three.js是基于WebGL的3D图形引擎库，和Unity 3D是类似的渲染器 Three.js解决了WebGL开发复杂的难题，它封装了场景相机几何 3D模型加载器灯光材质着色器动画粒子数学工具等概 ... 资源，在学习three.js之前先问自己这三个问题，相信会事半功倍城市可视化大屏项目示例，【3D演示】...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

python 3.x - Getting errors after installing uinstalling flake8 plugins. Errors thrown when doing --help or --version

I was playing around with different flake8 plugins today and after uninstalling one of them and installing a new one, ... since doing flake8 --help will also throw this error...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

android - How to access one button at a time?

I resolved my current issue regarding locking and unlocking buttons. I am basing my levels on the marks the user got. If they got ... ), ) ), ), ), Center( child: Text( roundName,...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

vuex mounted中取不到mapState的值

`<template> <div class="home"> vuex action <div>点击获取数据</div> <ul> <li v-for="(item, index) of voteData" :key=" ... this.voteData console.log(this.a) }, methods: { } } </script> `...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

popup - Can I display a messagebox before the logon (gpo startup script)?

I have a powershell script in a GPO that runs on computer startup. This script takes a ... .MessageBox]::Show($Messageboxbody,$MessageboxTitle,$ButtonType,$messageicon) Thanks...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

vscode </div> 补齐标签名，同步修改

是插件的行为吗？我一个插件一个插件的关闭，该功能始终有，可只有 js 文件有用， html 却没有这功能，在字符串中也是有用的我刚禁用所有插件，该功能消失了，我一个一个的开起还是没有改功能，一小会后有生效了（不确定是不是插件需要开起 ... 还是存在求问，是谁提供的功能还有可不可以查看当前文件类型对应的插件有哪些，或者查看插件支持的文件类型？...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

selenium - scraping hidden data within an a tag

am trying to scrape info from this website https://www.heiminfo.ch/institutionen the HTML looks like this where the info am ... id="Huta5R8" data-ol-has-click-handler="">][1]...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

html - Firebase redirect/rewrite to a static page

I tired this but did not get the answer. I am hosting a web app on firebase I have a page at https://example.com/payment.html? ... =:vars*", "type": 301 } ], But it does not works....

retagged Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

vue项目启动报This dependency was not found

这是协助别人做的项目，npm install后在npm run serve 报错。请问这是报vue in啥错误啊？...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

vue3中如何实现触发点击事件时，改变子组件的值？

最近在学习vue3的知识，看到了provide和inject，想请教下如何能实现父组件中的一个按钮触发点击事件时，改变子组件的值？我试着把provide写到了点击事件中，会出现下面的警告那么怎么样才能实现呢？...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

jvm - How do I write a correct micro-benchmark in Java?

How do you write (and run) a correct micro-benchmark in Java? I'm looking for some code samples and ... iterations/time, and why? Related: Is stopwatch benchmarking acceptable?...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

python - How can i fix this error: too many values to unpack (expected 4) for the code gievn below?

What is wrong with this code? import pandas as pd url1 = 'https://raw.githubusercontent.com/ben519/DataWrangling/master/ ... i) ValueError: too many values to unpack (expected 4)...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

这句JS代码是什么意思？

const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)...

edited Jan 24, 2021 in Technique[技术] by ostack (1.4k points)

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