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ajax如何设置multipart/form-data？
    我想这不通过表单提交的情况下使用ajax上传图片，但是无法将数据提交到后台，有人说是multipart/form-data没有设置，但是我不知道在如何在不使用表单的情况下设置multipart/form-data。求大佬帮忙...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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520 views
1 answer
实际开发中哪些场景需要用到观察者模式？
    实际开发中哪些场景需要用到观察者模式？能具体例子吗，最好有代码（PHP），谢谢！...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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328 views
1 answer
python 3.x - installed anaconda and when I run pandas it won't work. Is there a fix to this? Do I need to uninstall and reinstall for this to work?
    OSError Traceback (most recent call last) <ipython-input-2-7dd3504c366f> in <module> ----> 1 import pandas as pd ~ ... ) mean? Also why are there arrows pointing at specific lines?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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560 views
1 answer
编辑器里的元素【组合】功能和双击编辑【组合内元素】应该如何设计呢？
    例如如图的功能，将多个元素组合成一个了，这样可以一次操作多个元素，然后双击某个元素，就进入到组合内的元素进行操作 类似 sketch photoshop 那样的 不知道该如何合理规划dom ... div#box2 div#box3 如果组成组合 .group div#box1 div#box2 div#box3 如果这个方向是对的，那逻辑应该如何做呢？...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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259 views
1 answer
关于报The controller with the name '' is not registered的问题
    ????执行代码的时候，google developer tool报The controller with the name 'my-injectorCtrl' is not ... Hello Injector"; } myInjectorModule.controller("myInjectorCtrl",myInjectorCtrl);...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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359 views
1 answer
Can you use a different image size during transfer learning?
    I have made a switch from TensorFlow to PyTorch recently. I use a famous Github repo for training on EfficientNets. ... not leave logic gaps and therefore this question popped up....
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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243 views
1 answer
android - ConstraintLayout and Placeholder do not work as expected with child MATCH_CONSTRAINT
    I using below XML to use placeholder. but I can see only button1, 'root_container3' when use ... button3.setOnClickListener { place_holder.setContentId(R.id.root_container3) }...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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166 views
1 answer
python - Why is my flask web app not working properly? I can't find any errors myself
    So I tried to write my first flask web application and the website isn't working. Here is my application.py. I have already ... to coding, and i can't figure out what's going wrong...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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249 views
1 answer
Read a pdf grocery flyer with python
    Hello I would like to read the attached file, it is a grocery flyer. I tried with pypdf2, tika and tabula and the ... type of file my code the flyer I would like read thankful...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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309 views
1 answer
javascript - Allow a Web Worker to use other functions in a React App
    I have a file generation.js and it has one main method that uses all of the other methods, but this method is super ... it in /public and creating a Web Worker with its filename)?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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280 views
1 answer
Dockerfile doesnt get the arguments passed from docker compose
    I'm unable to pass my arguments from docker-compose.yml into build docker-compose.yml version: '2' services: mail_prod: ... : mail_prod_1 | myArgs: [] Where am i going wrong?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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479 views
1 answer
flutter - default link open after deploy firebase
    I am doing flutter web app hosting in firebase. I create first default link in firebase and this link working ... Firebase Hosting Setup Complete window So what should I do?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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310 views
1 answer
php - open_basedir is not within the allowed path
    Actually i have a laravel web application which is causing an error while i'm downloading certificate module. It is ... below screenshot and help me to solve it. Click Here...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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324 views
1 answer
java - Copy exif info from one Uri to the other with the new Android Scoped Storage?
    I have two Uri from different files with schema "content" obtained by the Android SAF API and I need to copy exif ... info from one file to another? Any help would be appreciated!...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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437 views
1 answer
node.js - Fixing Webpack's Watch Option
    I had code that worked just fine, but now I've updated some packages, especially webpack, and I'm getting some warnings ... in the code in order to get that warning to go away?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
414 views
1 answer
Microsoft Edge下，在vue中使用svg,改变fill渲染出错
    在vue中使用了svg点击后可以改变颜色，在其他浏览器都ok，但是在IE(edge)下改变颜色后，位置出错 <svg> <g> <text :fill="data.fill" x="50%" y="50%"></text> < ... 子了 demo:http://codepen.io/WangXiZhu/p... 不知道大家有没有遇到过 抱歉之前没有说清楚...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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333 views
1 answer
antd的Form表单里控件切换问题
    这个项目使用antd dva，处于开发环境 以下是提的问题 我根据changeType来判断渲染Input和Select控件，具体代码如下： 当渲染Select控件，并通过接口自动补全数据的时候出现了问题 我打了断点发现，已经进入effects中了， ... 控件的话，自动补全的请求是成功的， 代码如下 我没有看过源码，也不是很懂，希望有人能指教下...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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919 views
1 answer
codeblocks - Do I need something else for using code blocks for Fortran?
    I want to learn Fortran, and I heard that code blocks is great for beginners. I also heard that it has a compiler and gnu ... I need to install some other thing for it? If so what?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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459 views
1 answer
Can Rasa-X be installed on Rasa 2.0?
    I am trying to install rasa-x on my office desktop in which rasa2.0 is installed. But it is not able to install ... all trusted host commands can u please anyone help me on this?...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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534 views
1 answer
iOS 一个播放器的音乐内容数据怎么同步到两个控制器中？
    一个播放器，两个控制器需要同步显示播放中的进度条及播放内容，就是先在A控制器播放音乐，点击B控制器，如果是同一首歌，就直接显示A控制器正在播放的音乐内容，不能重新请求数据。。。...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
713 views
1 answer
cordova如何配置自己的域名外其他的链接都调用浏览器打开啊？
    我不希望在我的app内部打开...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
271 views
1 answer
node.js - VerifyIdToken is not returning email in the payload
    I have implemented the Oauth2 using google-auth-library in nodejs. Here is the sample code. let ticket = await client. ... to get email in the payload? Thanks for the help!...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
351 views
1 answer
怎样将一个矩阵分成均等的四份？求教算法思路。
    如题。 会有奇数行奇数列的情况，想请教下算法思路。...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
419 views
1 answer
好像只有面试的时候考算法，但是在实际工作中算法几乎用不到？
    算法在实际工作中的用处，我工作快3年了，对数据的查询是从数据库查询。但是对数据的排序等操作基本用不到像什么插入或者快速排序算法，难道算法只有在面试的时候有用吗？ 最近一直在学算法，但是学了之后发现在实际工作中用不到。。。。。。，很矛盾！...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
545 views
1 answer
for 循环中的if语句报错
    var arr = [34,13,56,88,76,21,98,76,43,54]; var temp = 0; for(var i = 0; i < arr.length; i++) { for(var j = 0; j< arr.length- ... 判断语句崩了，但是下面的console语句得到了false 控制台报错，第一次碰到这个问题，求大神解答...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
541 views
1 answer
wpf - Why do I get FreezableCollection`1 is not a valid value in the XAML designer
    I am trying to use Nish Nishant's classes to extend the system menu of a WPF window. Nish's project is in ... occurs and how it relates to the underlying issue of target platform....
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
202 views
1 answer
GitHub的使用问题
    请教大家一下GitHub的使用问题； 刚刚学会了在网页上用gitHub上传和下载库， 有用过客户端不是命令； 请问一下这三者有什么区别？好像很多人都在用命令创建库。 网页很方便为什么还用命令？是命令有什么功能网页没有还是命令比较快捷方便好操作一点。 刚学习，请大家指教一下。...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
310 views
1 answer
ThinkPHP在nginx下怎么设置？路由统统404，疯了~
    本地用MAMP跑的代码，运行没问题 但是部署到CENTOS 6.8 NGINX服务器上的时候，路由地址都404了！ [可以访问] http: ... ; include fastcgi_params; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } } 哎 没脾气了...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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