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Recent questions in Technique[技术]
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前端如何实现图片防盗链的破解
例如:http://img.m9vv.com/resour/xg... 整个网站无法直接打开,需要先访问他的主域名:http://www.m9vv.com/1178.html 后台应该是做了refer的判断,前端页面如何绕过这个判断,通过js实现防盗链 ... 后台配合的样子,有这方面经验的同学么?尝试过dom操作从写img的src属性,可这种方式实在不放心...
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file_put_contents permission denied
题主的环境是vmware+ubuntu+laravel+nginx+mysql 设置了vm的共享文件夹在ubuntu下的地址/mnt/hgfs/htdocs/data_web htdocs的权限如下 laravel项目的权限如下 nginx的权限如下 代码 ... //segmentfault.com/a/11...这个问题下的解决思路,但是不知该如何添加?...
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html - Adsense Vignette ads applying to form submit button
I've noticed that google adsense vignette ads are performing well on my site, but they do not appear when the primary ... using an href link that then submits the form via script?...
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reactjs - Add pages to dynamic routes on runtime Next Js
So I am working on a simple next js application A Blog System. So like a basic blog, I have a posts section where I see all my ... Please help. Thank YOu in advance :( -> :| -> :)...
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Flutter: How to draw rounded rectangle with cutout CustomPainter
I'm trying to create the rounded rectangle shape with the cutout from the following picture: I'm using that as the ... able to get that along with the rounded corners to work....
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Flutter:
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Difference between RANDOM and SRANDOM in Bash
Bash 5.1 introduces SRANDOM variable, but does it make any difference when used like this? for i in {1..10}; do ... over SRANDOM or vice-versa, or it doesn't make any difference?...
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c++ - What is an undefined reference/unresolved external symbol error and how do I fix it?
What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them? Feel free to edit/add your own....
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Feb 6, 2021
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在electron+react+webpack项目中为什么package.json中的script这样子写不会按预想的结果执行?
没有修改之前的代码是这样的,但是启动的时候需要两个命令行窗口,于是就想要改一下命令但是不能够按照预想的结果执行,只会执行第一个命令 第一种方案需要 ... Electron.app/Contents/MacOS/Electron .", "electron-rebuild": "./node_modules/.bin/electron-rebuild" },...
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Feb 6, 2021
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Add New Column Workaround for Analysis Services Live Connection in Microsoft PowerBI
I am struggling to find a workaround to add a new column to my data model within PowerBI because I have it ... . Does anyone have experience with this or have any recommendations?...
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Feb 6, 2021
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伙伴们 在 vue2.0 组件使用外部模板是如何处理的
<template><div><slot></slot></div></template> 某个组件的模板如上述代码,由于组件的模板必须要有一个根元素,因此上述代码中的 div 不能少,如果这个组件被套在 ul 下,并进行列表循环,slot 的内容是 ... 不期望生成这个 div 这种怎么破? 因此,伙伴们组件模板的内容由外部决定时,你们是怎么处理的呢?...
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javascript - Call API-data with NGXS and set it in form-element
I have an API with some data. I am getting successfully data from this API. The Angular async PIPE in the template ... id: string; playerNames: Player[]; numberOfRounds: number; }...
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Feb 6, 2021
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javascript
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354
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为什么angular-cli aot build的体积会明显大于aot serve的体积
ng build --aot -prod 以下为文件体积(aot build) ng serve --aot -prod 以下为文件体积(aot serve) build出来的体积实在无法接受,为什么这里aot ... /router: 4.0.0 @angular/cli: 1.0.0 @angular/compiler-cli: 4.0.0...
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为什么angular-cli
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node.js - Foreach Loop not working correct in Javascript with axios request
I'm trying to execute a functionality to make a sale in my app but in this sale a want make a count based in the ... 'failure sale!') console.log(error) }) event.preventDefault() }...
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node.js
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487
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mybatis集群时怎么保证一级缓存的时效性?
mybatis默认开始了一级缓存,那么在集群环境或分布式环境中,它是怎么保证缓存之间的同步呢?假设我在A节点上查询了到数据X=a,此时B节点上对数据X进行了修改,改成X=b,那么此时A节点上查询到了缓存X=a,那岂不是会出现脏读?那是否说,如果是在集群/分布式环境中使用到mybatis,一定要与第三方的缓存框架进行集成呢?...
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628
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nodejs使用mongoose连接数据库,使用post提交表单在后台,后台处理后调用res.redirect()跳转界面无效?
nodejs使用mongoose连接数据库,使用post提交表单在后台,后台处理后调用res.redirect()跳转界面无效?这是为什么呢, 情况:我想要在项目中连接多个mongodb数据库,所以就想使用mongoose.createConnection ... ,用户密码验证也是可以的,但是为什么res.redirect('/');就是无反应呢,不跳转 ...
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Feb 6, 2021
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477
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modjs加载模块zepto,报错Uncaught [ModJS] Cannot find module `Zepto`
在index.html文件中var $=require('Zepto');zepto或者Zepto或者zepto.js或者加了路径都不行,都会报错; <script src="/static/lib/js/mod.js"></script> <script> ... }); </script> 加载模块,怎么调用这个zepto.js库,为什么不能正常引用...
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modjs加载模块zepto,报错Uncaught
0
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656
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c - Segmentation Fault and isalpha
I want to clear up my understanding of Segmentation faults while using command-line arguments and isalpha() but this ... fault? Thanks for taking the time to read this post...
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Feb 6, 2021
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676
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angularjs 单页面应用 页面滚动到底部的导航跳转新的页面后,不滚动到页面顶部的问题这么解决?
页面滚动到底部的导航跳转新的页面后,不滚动到页面顶部的问题这么解决?...
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angularjs
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397
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node.js - How do I filter an array of objects with MongoDB Object IDs based on another array of Object IDs?
I have an array of movies pulled from MongoDB, named movieList: [ { movie: { _id: 5fde62aa0cec1598fda103ac, title: ... return removeMovies.includes(movie.movie._id) }) Any ideas?...
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node.js
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270
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angular解决动画问题
...
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Feb 6, 2021
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IDEA Spring-Boot: method ** is never used
index 出现了警告,Method 'index()' is never used IDEA 不是支持 spring-boot 的吗 IDEA 2017 版本 在使用 2016 版本的时候好像没有这个警告...
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IDEA
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139
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c# - Try to get total price with id from 2 tables with Linq
I am currently struggling to create a linq statement in order to calculate the total price. I have 2 tables. BookingSet Table : ... ) { price2 = price2 + price; } return price2; }...
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Feb 6, 2021
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c#
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328
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React Native iOS Share Sheet Apps Missing Instagram
I've downloaded instagram and tiktok to test on a new phone, but they don't show up in the share sheet. Is it because ... content.product.image, // image url }); still doesn't show...
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Feb 6, 2021
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React
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406
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Laravel 5.4 AUTH - Auth::guard('admin')->user() 登陆后其他页面取出来为NULL
登录时使用 Auth::guard('admin')->attempt([]) 返回了true,然后用dd打印 dd(Auth::guard('admin')) 本页面的登录是可以的 然后跳转到其他页面时,再打印一次 这时 ... user() == null Auth::guard('admin')->check() == false 请问是哪个步骤出了错...
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Laravel
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258
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create-react-app中为什么使用React.createClass会报warning
create-react-app中使用React-createClas会报如下warning,只能使用extends React.Component. 使用ant design时会报propTypes的warning,报错如下图 求助大神...
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Feb 6, 2021
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winforms - Making setup file with sql db file to work on another computer
I create a windows application connect to sql server 2016 database. I need to make a setup file with this database file ... . these computers don't have sql server installed on it....
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winforms
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222
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Python: Issues downloading file from google drive api, getting daily limit for unauthenticated use exceeded
Problem Statement: I am being plagued with a single issue when trying to download a file from the google drive api ... And my erroneous result: Clicking the link gives me this:...
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Python:
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javascript - How do I continuously listen for a new item while scraping a website
I am using puppeteer to scrape a website that is being live updated, to report the latest item elsewhere. Currently the ... html[html.length-1]); }; setInterval(playtracker, 30000)...
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Feb 6, 2021
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