Recent questions in Technique[技术]

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javascript - React Native: cannot use function as default state hook? issue with array computation and slow UI

I have a function that takes a few discounts and groups them by days, so the final result is an array of 7 ... (allDiscounts); return weekDiscountsCopy; } } }; Thanks in advance!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Airtable API filter to return all records with a specific entry in a linked entity column

I need to be able to filter an Airtable table through the public API (using the Airtable.Net client>) so that it ... based on a linked entity's presence in the column. Thanks!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bootstrap fileinput 上传100M以上的视频文件就报错误了

這个是我的前端fileinput 然后提交到這个控制器，然后有个问题，是大文件，（我这边测试5M没啥问题，$_FILES有值，但是我上传了100M就直接报出）上图的错误。图片和小视频都没有问题，大视频就炸了。求助大神。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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被点击的链接，如何发消息通知其我已经被打开

这个需求不是要用 AJAX 或 Notification 来完成，是想两个页面之间，进行消息的传递，类似浏览器的消息监听功能 window.addEventListener('message',function(e){ console.log(e); },false ... API）补充：该问题是前端页面之间的消息通知，非客户端与服务器之间的消息通知 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to delete a line in a file such that the contents below the line should follow the contents above the line immediately in java?

I have the code for how to delete a line in a file but after the delete operation is performed there is a new blank ... 1 Line 3 The empty line in between is not getting deleted...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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这串代码为什么会这样输出？

for ( var i = 0 ;i<5;i++){ setTimeout((function(i){ console.log('1',i); var j= i; return function(){ console.log('2',j); } })(i),i*1000) }...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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为什么 Java 的 LinkedList 的双链表实现不会链接后面元素

JDK7中 LinkedList private 方法 private void linkFirst(E e)在新添加元素时链表不会断裂? 代码来源于 JDK7 private void linkFirst(E e) { final Node<E> ... = f; newNode.next 不会链接后面的元素 size++; modCount++; }...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Docker logs from file Mariadb Slow Queries Log

I'm trying to make "MariaDB" container to log "Slow Queries". It works fine when MariaDB writes the log into a file. ... t use the symlink with error (Errcode: 29 "Illegal seek")....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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495 views

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spring boot 中配置https 证书类型为pem文件时，ssl.keyStoreType填什么

spring boot application.yml 中配置https 证书类型为pem文件时，ssl.keyStoreType填什么 ssl.key-store: classpath:xxxxx.pem ssl.key-store-password: ssl.keyStoreType: 这里填什么 ssl.keyAlias: tomcat...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jsonschema - JSON schema does not validate missing properties

Thanks for your help in advance. Its my bad day. I have the following json and I am trying to figure out the ... } }, "required": [ "tables_not_to_mask", "tables_to_mask" ] }...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue和style样式改变

问题描述：vue+stylus开发中，如何根据计算出的class来写具体的样式？代码如下，子组件： <template> <div class="it-alert" :class="[ typeClass ]" v-show="visiable"> <i class ... 式层级发生改变了，导致效果不一致想实现的效果是绿色部分的文字也全部是白色的 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

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webpack打包报错，求原因？求解决？

...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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603 views

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Laravel 使用DB::insert()插入数据，字段created_at为0000...？

这是artilce_info表 $table->increments('id'); $table->unsignedInteger('user_id'); $table->string('title'); $table->integer(' ... 数据库中created_at和updated_at字段为0000-00-00 00:00:00 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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如何配置Spring Boot每个Controller控制不同的文件上传大小最大值？

我知道有一个配置项multipart.max-file-size可以控制文件上传大小，但这个值为一全局配置无法细化到每个Controller，而使用MultipartFile类的getSize()方法判断大小的话文件必然已经全部上传到服务器了，我需要 ... 效果，如果文件超出指定大小后直接中断请求，并能在每一个Controller中进行不同值得设置，谢谢 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Spring注入，在XML配置中引用JavaConfig，结果找不到Config中的bean

XML： <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http:// ... bean named 'sgtPeppers' available IDEA显示是绿色的，但是为什么找不到...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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331 views

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htmlWebpackPlugin 使用问题

使用 webpack htmlWebpackPlugin 遇到问题报错；搜索了很久不知道什么问题，最后试着在此处添加了ejs之后可以编译了但是编译的文件中 htmlWebpackPlugin.files 相关的代码无法别编译全部已原样显示 ... 用hash，虽然不影响对iview的学习和使用，但是我还是想请教大神帮我解答一下学习过程中的困惑）...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node pm2 如何防止项目误重启删除呢？

如题，pm2的项目启动重启删除都简单通过一个命令搞定了，如果使用id操作的话，万一错了怎么办呢？请问pm2的部署方式上有什么容错办法？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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560 views

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SOAP in C# from WSDL returning data

I've got a WSDL from our RMM tool https://ncod26.n-able.com/dms2/services2/ServerEI2?wsdl I've connected it as a ... m finding it hard to work out how to actually return the data...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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336 views

1 answer

react报错_react2.default.oneOfType is not a function

已经导入PropTypes 可是为什么在运行的时候会报错为请大神指教。。。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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245 views

1 answer

Have to block particular endpoints out of multiple endpoint in nginx?

In my Nginx conf, 6 endpoints are there, I need to block only one endpoint location /, But the other five endpoints ... s not getting works. will anyone help me with this problem?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 2.7 - ipython debugger dump to file to debug later

When running code across various machines occasionally I will see an error that I would like to debug. In ipython, ... (since it is not always possible to reproduce locally)....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

1 answer

js可以模拟ESC键盘事件吗？

我说的不是Keycode 不是按下键盘上的ESC. 就是单击一个效果然后模拟下ESC就退出全屏播放的效果。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

1 answer

javascript - d3-annotation + d3-zoom - Zooming without scaling

I'm new to d3. I've been looking everywhere for an example of how to do this. But essentially, I created ... the rendered annotation doesn't also get significantly large with it....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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864 views

1 answer

python 3.x - Cannot import gdal in Spyder

I'm on Windows 10 and I've run a clean install of both Python 3.8, standalone Spyder (no Conda) and GDAL through ... named 'osgeo'' What the hell am I exactly supposed to do?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mikeio - Is there any existing code to create a depth averaged Dfs2 file from a Dfs1 file?

I would like to use model outputs from a MIKE21fm model in DFS1 format to create a depth averaged DFS2 file to be ... already been lots of useful work in MIKEIO already! Thanks!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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661 views

1 answer

webpack 打包 sass 样式用@import 引用其他文件夹下的样式图片路径问题

我使用webpack打包 sass文件,现在遇到的问题是我的目录结构如下: 其中variable.scss中我引入了img中的图片 arrow-in.png $color:red; .arrow-in{ display: inline-block; color: ... ,所以想问下,有什么方法解决这个路径问题,或者是有什么loader可以解决这个问题....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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241 views

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问个vue组件问题

var child = {template: '<div>this is child component </div>'}; 与 var child = Vue.extend({template: '<div>this is child component </div>'}); 区别求详细解答...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

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ios - UIDatePicker doesn't work when included in a UITableViewCell

I have an application where I regularly use a UIDatePicker inside a table view. Therefore, I made custom DatePickerTableViewCell class ... , but I'm not able to interact with it:...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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