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Recent questions in Technique[技术]
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c# - Where can i find the PKCS11 unmanaged library for the cherry SmartTerminal ST-1144
I want to use the cherry SmartTerminal ST-1144 in order to finally sign pdf documents with certificates from a smartcard ... name of the dll which can be used as pkcs11LibraryPath?...
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是否支持多个表合并
lj(leftTable, rightTable, matchingCols, [rightMatchingCols])合并的是两个表,我有十几个表,每个表之间只有一列是不同的,如何一次性把所有的表合并在一起,而不是两两合并?...
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这种APP底部横线+文字该怎么布局?css
如图所示 下面是我做的,但是宽度不好控制,设备宽度不一样显示也不一样,有好的解决方案嘛 <div class="state flex flex-y flex-x"> <span class="line ... : 14px; } .line{ width: 35%; height: 1px; background-color: #dedede; }```...
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Java中Timer自动停止
问题描述 业务需要程序每隔10秒对数据进行一次操作,我使用Timer定时器实现此功能 这个功能在18年就已经上线了,但是昨天发现这个定时器在无人操作的情况下自己停止了 求问问题出现的原因以及解决方案 万分感 ... 行数据处理 } }; timer.schedule(task, 1 * (60 * 1000), period); 急需解决方案!万分感谢帮助!...
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vue.js - How can I modify json response and save it in state?
So for example, my json response looks like: "name": "John" "value": "5" Then I pass it to my state commit("SET_USER" ... ("SET_USER", response.data.users); // <-- state.cards })...
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Flutter Firebase phone auth not working on Android
I'm trying to use the firebase phone verification login, but it's not working. The code is not sent. I've ... 5839): Ignoring header X-Firebase-Locale because its value was null....
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vue中使用video-player实现直播流,出现花屏现象
...
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python - json array to pandas dataframe and write it to csv
I have a json array like below and i wanted to convert into a pandas dataframe and write it into a csv finally. I have ... results/0101/a.csv', mode='a', index=False, header=True)...
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kubeadm - Kubernetes cluster with flannel - port forwarding
Setup on machine: Ubuntu 20.04 Kubernetes cluster started with kubeadm and flannel network plugin On my working machine I ... on Mac and Windows where it was possible out of box...
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How to validate data entered in the sign up form created in Django?
I have created a registration form using the class models.User (refer) in Django as follows: from Django.shortcuts ... any) all while using the inbuilt model class models.User?...
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How
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微信小程序预览是网络请求发不出去,真机调试就可以,配置了https合法域名
微信小程序预览是网络请求发不出去,真机调试就可以,配置了https合法域名...
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Jan 27, 2021
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php - How to check unique email in multiple table using codeigniter?
public function unique_email($email) { $this->db->select('*'); $this->db->from('instructor, student'); $this->db->where(' ... but the above query doesn't work. I don't know why?...
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Jan 27, 2021
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vue-cli打包后vendor.js过大的原因?
为什么脚手架打包以后,里面的vendor文件有一兆多,我已经吧第三方的elementUI,vuex,echarts等采用cdn的方式引入了,路由也是采用懒加载的方式引入的,可还是有这么大,上线后刷新就加载特别慢,这个vendor文件夹花了七八秒钟,有什么好的方法解决吗?...
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Jan 27, 2021
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antd 表单 可以只红色高亮不提示错误信息吗?
这种表格的校验 希望只红色高亮就可以,不提示错误信息。怎么设置呢? antd 有相关api可以设置吗?...
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富文本输入问题
已经找到问题原因了,网页语言设置的是en,触发了浏览器翻译功能,导致异常 各位有遇到电脑在网页富文本中输入会出现很多神奇问题吗? 比如下面这种情况(输入法打字的时候会把首字母直接输入到页面上去) 还有打字会被替换成其他字等...
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What is the differnce between a Cloud Foundry and A Web Server
So being an SAP consultant , I am trying to understand the SAP cloud foundry . As per understanding till now , Cloud ... Foundry and Cloud services like AWS , Google Cloud , AZURE...
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What
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python - Django filter a prefetched queryset returning an empty list
In my app I have some Users and Groups, that are related by a many to many relation through GroupMember. class ... prefetching using the same through-model in relation to the user....
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Jan 27, 2021
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python - Flask in Ubuntu 18.04 cannot receive html form file uploads
thanks to the community here I have managed to deploy and run my flask app in production. Currently the only ... .163:51433] , referer: http://onlinebiztrust.com/CIDB_renewal_form3...
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无效的import 会对打包有印影响吗?
code时,我们import很多无效的module,这除了不雅观外,对webpack打包会有影响吗?...
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Jan 25, 2021
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无效的import
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How does one make a 2D array of dataframes in R? (each cell is a dataframe)
How does one make a 2D array of dataframes in R, where each cell is a dataframe containing two rows of a given ... x and y are variables indicating the columns of the spreadsheet....
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Jan 25, 2021
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How
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npm 和 yarn 有什么区别
问题描述 最近遇到一个问题 npm run test --coverage 发现没有测试报告,也没有报错 yarn test --coverage 有测试报告 两个都是全局安装的 问题出现的环境背景及自己尝试过哪些方法 尝试过都重新install, 发现没 ... 容 你期待的结果是什么?实际看到的错误信息又是什么? 两者的操作应该是等价的,都应该有测试报告...
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Jan 24, 2021
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npm
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java - how to decrease the number of colors in a png bitmap
I have one bitmap. I want to decrease the number of colors in order to have an image with smaller size. is it possible by "BitmapFactory" class? thanks for your help....
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Jan 24, 2021
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firefox带不了服务器返返回设置的cookie,而IE却可以
登陆的时候服务器返回的set-cookie里面设置了一个带session的cookie,登陆成功后跳转到其他页面(主页) 主页上的每个ajax请求都要带上这个session才能正确返回 1 现在是IE正常,登陆之后这个带了session的 ... 经按照网上的禁用chrome samesite,还是没效果 不知哪位遇到过这种情况?有什么有效的解决办法吗?...
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Jan 24, 2021
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请求能正确发到服务器嘛?
假设服务器公网地址是 122.33.21.3 服务器部署了一个web服务在80端口 在服务器上有一个后端服务在7001端口 当用户访问122.33.21.3:80的时候 前端的请求base是localhost:7001 这样写的话 用户在本地打开 请求是用户电脑7001端口还是远程服务器的7001端口?...
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python - ImportError: DLL load failed while importing _pyorc
I have installed pyorc using: python -m pip install pyorc Nevertheless I constatly have the same error when I ... localizar o módulo especificado. These are my packages: Packages...
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vue怎么用for循环动态生成的el-table代码?
<el-table ref="multipleTable" :data="userData" tooltip-effect="dark" style="width: 100%" @selection-change="handleSelectionChange" ... > </template> </el-table-column> </el-table>...
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Jan 24, 2021
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按需引入 antd 一用组件就报错 Possibly missing '(' in mixin call
给 node_modules 下的 antd 文件夹下的 .less文件的 mixin用法都加上括号就不报错了,但是我要每引入一个就加括号,这不太合理呀,我之前弄得也没有这个情况 项 ... .scss'; ` }, less: { lessOptions: { javascriptEnabled: true, modifyVars } } } }...
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gtk3 - GTK: How to get the nicks and values from a GSchema enum programmatically
I have the following GSchema: <schemalist gettext-domain="example"> <enum id="com.example.unit.temperature ... ComboBoxText reading the possible values directly form the GSettings....
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