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reactjs - tailwind css responsive grid issue

I got issue when trying to add a "screen" prefix to grid-column, the layout is perfect but when I add md: to grid- ... have this what happened when i add md predix to col-span-6...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue.js - Google OAuth 2.0 Invalid token format Vue/PHP

I am trying to setup a google login on my webpage and to store the users token in some tables to recognize which ... token' => $received_data->token ); echo json_encode($output); }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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flutter - How to get the height of widget built recursively?

I have a widget which is built recursively and i need to find its height for another widget in the same row ... ); } return childrenNotes; } } Diagram with relevant widgets:...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - How to model polymorphic data in PostgreSQL

We have some data that we'd like to model in the following way. We have two fields: to from and each of ... provide a way to store this polymorphic enum + dynamic foreign key?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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左侧菜单a标签改变右侧ifame引用的页面

左侧菜单a标签改变右侧ifame引用的页面；网上说的target="myFrameName"和target="myFrameID" 都不管用，求指教！！；不要js! 设置a标签的属性解决;...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Finding the most similar list out of a collection of lists, online

I have a collection of lists that each represent a path on a graph: list1 = [1,2,3,6] # directed edge from 1->2, ... in completeness.items() if v == mx] print(max_list) print('')...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Download Jupyter Notebook as .html File with Image Importing Code Excluded (Not Shown)

I have the following output on my local Jupyter Notebook: I want to "Download As" this Jupyter Notebook as a .html file. But when ... block of code in In [6]. How do I do this?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tensorflow - Keras Tokenizer: How to disable elements in dictionary?

t = Tokenizer(num_words=50000) tokenizer.fit_on_texts(trainText) my_items = list(tokenizer.word_index.items()) I need to ... is 140000. I need use just first 50000 elements....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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R importing .csv data with date as first field erroneously

This is absolutely maddening! I am trying to import a basic, simple file that has dates as the first field. If I ... come across this. This is a very basic, straightforward file....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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如何让后台获取的图片在页面显示出来

success:function(data){ issueType = data.issueType; console.log(data.lstFile); aba.innerHTML = ""; var fileName; var len = data.lstFile.length; // ... `![请输入代码][1]` 求大神指教指教,已经困扰几天了...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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koa2插入数据成功在给前端返回状态的时候Can't remove headers after they are sent

router/oneBuy.js代码： var controller = require('../controller/oneBuy'); module.exports = function(app){ //首页 app. ... will terminate the Node.js process with a non-zero exit code....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php jwt 中如何保存和会话相关的数据？

php jwt 中如何保存和会话相关的数据？比如session中，和此次会话相关的数据可以保存到session中，下次直接可惜通过session再次取出使用。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Log4Net does not use the layout

I am using log4net in my project. But if I am calling log.Error(message); it only logs the message in my logfile and ... /> <appender-ref ref="FileAppender"/> </root> </log4net>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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buildscript block 能否在script plugin中使用？

我引入(本地内部仓库)第三方二进制插件时,只能在build.gradle中定义吗，能否在脚本插件中定义？例如： // ~/Test/helloplugin.gradle buildscript { dependencies { ... + name } 我在本地测试时，直接报错，com.github.blindpirate.gogradle插件无法找到 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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paperjs - Image position changes copying image data from one canvas to another

I'm using paper.js to place an image on a paper.js canvas. I then copy that canvas's dataURL to create a new ... paper.Point(400,600) }) The image is corrected. Thanks in advance...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - firebase functions date query

Im trying to run a cron job to delete old notifications. Following a post on this on medium: https://medium.com/ ... log in the UI Can anyone suggested whats going wrong here?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Problem with the deletion of row in Jtable when it is highlighted

Here I have a loop that will get the indexes of rows that has been highlighted in the table when the Delete ... Console Output The problem might have been model.removeRow(rows);...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Why isn't my list rerending when I update the list

I'm looking for a way to update my watchlist after someone adds to the watchlist. So far it is doing that but it's ... div> ) } export default Watchlist; Here's what it looks like...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jstl中c标签无法解析报错如何解决

jsp项目中使用C标签报错如图：项目中的lib文件如图：项目中的引用包如图：使用的jstl.jar版本信息如图：关键代码如下：求助如何解决！...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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以下三种下载方式有什么不同？如何用python模拟下载器下载？

问题始于一个链接 https://i1.pixiv.net/img-zip-... 这个链接在浏览器打开，会直接下载一个不完整的zip文件但是，使用下载器下载却是完整文件而当我尝试使用python下载的时候 from urllib ... zip', '123.zip') 403报错想问一下，为什么浏览器，下载器，以及python下载的结果会不一样？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于shiro在spring boot下自动登录的问题？

我想实现shiro rememberMe之后，再次访问后自动登录并把一些用户信息再存入session 我现在是按照http://blog.csdn.net/Q_AN1314...这篇文章，写了一个过滤器，但是在过滤器里获取subject时出 ... ; } } 请问一下大家这是怎么回事？或者大家有什么更好的实现方法请指教一下...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Localizing my display name attribute but can't reference my resource

I'm trying to localize my display name attribute but "ResourceType" can't find my resource file. Resource file is directly in ... public but still not working. I can't even see it....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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项目发布到tomcat中，运行tomcat时tomcat出现崩溃

使用的tomcat服务器是没有问题的，其他项目可以在上面运行，当不加载项目时也可以运行；但是当我加上我写的那个项目时，运行tomcat，服务器就崩溃了，必须将发布上的项目remove之后才可以重新运行tomcat；之前也遇到过这种问题，我记得是好像是可以删除tomcat里面的一个文件，但是不记得是哪个文件了，求大神们支支招！...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

nodemailer连接超时，怎么解决？

使用的是Gmail const smtpTransport = nodemailer.createTransport({ service: "gmail", auth: { user: "[email protected]", pass: "xxxxx" } }) const ... 时，qq邮箱也设置了白名单，是不是qq邮箱有限制次数？怎么解决...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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156 views

1 answer

如何序列化存储map对象

在rn中使用了realm数据，发现其中一个字段是想存储一个map对象，但realm本身不支持这样的类型，只能设置在存储的时候进行序列化成字符串来处理，但是目前只能使用json对象来转换，如果用es6的map对象就会变成一个内容为hashmap的字符串。不知道谁有好的解决方案...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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怎么使用mongolass驱动库连接mongodb数据库呀？

exports.User = mongolass.model('User', { name: { type: 'string' }, password: { type: 'string' }, avatar: { type: 'string' }, gender: { type: ... );// 根据用户名找到用户，用户名全局唯一这是什么意思呀？丝毫不懂...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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用react写一个需求如下的大型网站，合适不？

接到一个项目，前端两个人，项目时间2-3个月名称：教育与培训在线管理服务平台大致需求如下：人员管理：管理各个用户的角色权限资讯动态账号管理项目管理：管理项目活动课程及培训学员的培训安排 ... 学员风采，名师名家如果前端技术选型，用React+Redux+Immutable来实现，是否科学和可行？本人新手，求各位大佬指点 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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thress.js拉远摄像机时导入模型消失

thress.js 导入外部模型后，拉远摄像头到一定程度，模型逐渐消失直到完全看不见是光源设置问题还是什么原因？以下是代码 <!DOCTYPE html> < ... (); window.requestAnimationFrame(render); renderer.render(scene, camera); } </script> </html>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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