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Progress Bar - Multi Step Form - Javascript Problem

I have a multi step form, where I want to include a progress bar. So far I have the following solution, which is working for the ... ("progress-bar")[0].style.width = "100%"; } });...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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979 views

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对于默认传参值的疑惑

这是《你不知道的js 里面的一个解释》，没太懂；为什么z 是一个没初始的参数变量而 w 确实？z 和 w 有啥区别，难道不一样？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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992 views

1 answer

printing - Print Multiple HTML files automatically using a printer/Network Printer

I looking for a solution to print multiple HTML files/URLs to print automatically from the printer with Just one ... code which I can integrate to print these HTML automatically?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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directx 12 - DirectX12 rendering to part of the window

I am trying to have the DirectX12 pipeline render to only part of the window, not the full window. Is ... the window? I must be missing something about CreateRenderTargetView()...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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vue页面加载完成请求的数据加载到select里面，数据拿到了，结构里没有

如图，是一个下拉框组件我在页面加载完成时拿到了下拉框的数据，用this.userLevelData = res.data 将请求到的data赋值到下拉框的值但是点击下拉框，下拉框组件里并没有这是什么清况？找到原因了： ... 打印res.data居然没有我打印res就是data 可以拿到数据丢进select了，但是这拿数据是被封装过么？搞不懂啊...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.1k views

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element cascader 不同层级 value值相同选中后 input内容显示错误

<el-cascader v-model="value2" :options="options2" ></el-cascader> value2: [], options2: [{ value: 'zhinan', label: '指南', children: [ { ... 设计原则 (右边v-model绑定的值是正确的) 大佬们这个有啥办法解决呀...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.3k views

1 answer

函数自调用循环return后有什么弊端？

以JS为例 function func(){ ... ... if(!...){ func(); return; } ... ... if(!...){ func(); return; } ... ... func(); } 我有个需求是不停的执 ... 立则重新执行，这样的循环有什么弊端呢~ 感觉怪怪的~~ 如果有弊端java js php 中弊端相同吗?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.6k views

1 answer

jquery - WordPress - edit label in Comments section?

Is it possible to edit the 'Comment' label in the Comments section at all to some wording of my choice? Maybe with CSS? Many thanks,...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.6k views

1 answer

go 判断文件的问题

写了一个文件遍历的，发现死循环排查问题发现是 s.IsDir() 问题 if s, err := os.Stat(path); err==nil{ // 抛出错误 }else{ return s.IsDir ... 1-5-18 ### $Recycle.Bin FAIL Cherry/Core/Choreser 3.454s ...... 无数相同输出...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.0k views

1 answer

koa2 重定向路由，该怎么向前端传递重定向前的路径？

在浏览器地址栏输入某个项目的路由，因为登录过期，会被后台服务重定向到登录页，登录后会进入首页，但希望自动跳转到进入登录前的页面问题：后台服务是用koa2写的，认证失败就直接ctx.redirect('/ ... 可以写入到sessionStorage中，再登录后从sessionStorage读取数据直接跳转到原先访问的页面，那怎样才能重定向时传递数据呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

php - SMTP in Laravel 7 godaddy hosting

So i have created an App in Laravel 7 and Deployed it in Godaddy Shared hosting, everything works except for the Mailing. ... Message. but Mail not being sent. What is the Fix ?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

1 answer

html - Flex divs not colliding and flexing relative to each other

I want the lower div (containing the image and the button) to collide as in not overlap with the division above it (texts' ... .location.href='contact.html'"> VIEW </button> </div>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.2k views

1 answer

powershell - ErrorActionPreference=stop stops all scripts stack

Consider the following: // Calling-Script.ps1 Write-Output "Calling script" ./Failing-Script.ps1 Write-Output "Calling ... .ps1 stops? Does this make sense? is it documented?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.1k views

1 answer

正则实现匹配区号，但是不要有400

可以让用户输入区号，如028-556321 但是不让用户输入400开头的电话号码，正则咋写啊？我使用了/^[^(400)]\d{2,4}-\d{3,5}/这种，但是开头的 [^(400)] 其实就相当于 [^400]也就是4和0都不能作为开头，不是匹配的 400，所以想问下要咋做啊。注：这里的 d 显示的时候会显示成 \d ，大家忽略哈。...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

1 answer

负数时间戳日期转换问题

使用 mysql 提取数据时,遇到一个问题:负时间戳无法通过FROM_UNIXTIME 方法转化成正常的日期: FROM_UNIXTIME(-2641363543) Null 这个时间戳对应的正确的日期其实是: 1886-04-20 00:00:00,我搜索了一下, ... 他们都可以转换成正确值,我就不知道是怎么实现的,另外上面这种转化逻辑的问题是在哪呢?...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.0k views

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请问这段代码是什么意思？它的时间复杂度是多少？

【题目描述】小伟报名参加中央电视台的智力大冲浪节目本次挑战赛吸引了众多参赛者，主持人为了表彰大家的勇气，先奖励每个参赛者m元先不要太高兴！因为这些钱还不一定都是你的接下来主持人宣布了比赛规则 ... -= p.top(); p.pop(); } cout << m << endl; getchar(); getchar(); return 0; }...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.0k views

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amazon emr - Install nbextensions in aws emr notebooks

I am able to spin up a cluster and access jupyter notebooks. However, I do not see the nbextensions tab. I sshed ... I get nbextensions to show up in my emr notebooks? Thanks!...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

elasticsearch 整合springboot 的时候出现了日期格式转换的问题，找了好多也没有解决，请大佬帮助

实体类字段 @Field( type = FieldType.Date, format = DateFormat.custom,pattern = "yyyy-MM-dd HH:mm:ss" ) ... (NodeTestTask.java:122) at org.junit.platform.engine.support.hierarchical....

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

1 answer

vscode的css部分任意输入都有Emmet提示且被置顶

vscode的css部分任意输入都有Emmet提示且被置顶更新到新版本之后一直有这个问题，去百度搜索大多数都和我这个问题不太一致任意代码都会有提示，如下图：这会导致的一个问题就是一些习惯的排版被挤压了比如之前我输入hei那么第一条提示 ... 版本不对还是我没有真正理解修改方式...希望哪位大神指点下怎么去掉这个置顶的提示，让他消失或者不再置顶都可以...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.0k views

1 answer

scala - Kafka producer: send avro as array[byte] without schema

I am trying to setup a simple kafka stack in local and I am at the point where I need to create a toy ... schema, right? encoder.flush out.close out.toByteArray thanks so much...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

1 answer

reactjs - Old laptop and React Js

My laptop is old, not just old deadly old. Fortunately, at least I can code Html, Css, Vanilla Js and Php and use local servers. ... 5315, Win 8.1 Pro, 32-bit, 1 REM. Thank you!...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

python - For data with a `set[int]` value, what fast means exist for grouping based on having at least one common member?

Currently, I am tackling such a problem by parsing through each set, picking each member, adding or skipping said member ... categories and then to do all the setting at the end....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

1 answer

使用*as以后在发方法中调用，当深拷贝时报错是为什么？

使用*as以后在发方法中调用，当深拷贝时报错是为什么？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

1 answer

VBA如何判断当前页数？

如题，想要根据当前页数判断奇数则加一页，偶数不加，要如何实现？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

1 answer

webapck打包之后里面会带箭头函数

用webpack打包之后里面会有箭头函数，导致在ie里面用不了 webpack配置 babel配置 package.json 不知道是什么原因...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

1 answer

用python爬取《财富》中国500强数据

修改《财富》世界500强源代码（源代码正确可运行），想要爬取《财富》中国500强的数据却失败，作为一个新入编程的小白实在搞不懂什么原因，想要大神帮忙解答以下是爬取《财富》世界500强的源代码： # 导入正则表达式 ... newLine = '' # 关闭文件 file1.close() 运行结果如下：搞不太懂为什么，想要大神能够帮忙解答修改下！！...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.9k views

1 answer

javascript - Cannot get store states with getters in Vuex with promise then

Since I want to check if the channel route they enter need PIN code or not, I use router.beforeEach as below: router. ... , mutations }; Can you suggest me? Thank you very much....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.0k views

1 answer

mysql - String Concat over partition in SQL?

I want to concatenate the surrounding rows(in the following examples only the surrounding 2 rows) after ranking to a new column(group by ... C 9 15 002 2020-12-10 10:00:50 D 0 13...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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