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window.location.href是同步还是异步？

代码： $("button").on("click",function() { //跳转的链接写为同源地址，方便查看localStorage来测试跳转后的代码是否执行 window.location.href='http://127.0.0.1/ ... 有能帮忙解答下吗 window.location.href是同步还是异步，执行机制是怎样的感谢~~...

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

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305 views

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r - Shiny Dashboard "Error in unique.default(x, nmax = nmax)" when using table() function

I'm trying to draw a fairly simple plot on a shiny dashboard, however I get this error: Warnung: Error in unique. ... wrong ... Does anyone have a suggestion how to fix this?...

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

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300 views

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Windows ce 5.0 rdp password

I have a problem with saving the password for the rdp password in windows ce 5.0, there is no password, I also tried to ... , any ideas how to do it? any changes to the registry?...

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

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543 views

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用python写统计列表里面数值连续多次出现怎么写

import random x = range(1,11) y = [] z= 0 while z <10:#暂时使用10次 a = random.sample(x,10) #print(a) #第一次生成的10个随机数 y.append(a[0] ... 同值的次数，暂且y列表里面13579为奇数，246810为偶数统计y列表里面奇数偶数连续出现的次数 ...

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

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700 views

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sequelize mysql group 查询获各分组最后一条

sequlize通过聚合查询： const res = await ctx.mode.Record.findAndCountAll({ order: [['createdAt', 'DESC']], group: ['message'] }) 但结果是每个 ... 条呢？查了下mysql 是先把数据排序，再查询group sequelize不知道怎么？...

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

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409 views

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计算机为什么要区分无符号数与有符号数

如题，我在网上搜到的一个答案是：内存大小不一样，无符号占用内存小，当不需要负数，内存要求很小的情况下一般都用无符号数。请教一下各位的看法...

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

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beforeunloadFn路径跳转问题

现在因为页面是另一个页面点击后经过路由跳过来的所以现在想在页面刷新时加载方法去跳转另一个页面，但是方法打断点是进入了，路径跳转总是失败，这是为什么代码如下： ... (e)) }, methods: { beforeunloadFn() { this.$router.push({ path: '/summaryRecord' }) } }...

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

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python - How to use aggregated data in a pyspark udf

I am trying to calculate the speed of a vehicle using GPS records. I have original GPS points of and matched ... and collecting all the routes to one node is simply impossible....

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

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elementui的下拉多选框抖动

elementui的下拉多选框，选完值后，下拉框一直抖动，请问有人遇到这种情况没有？该怎么解决了？谢谢...

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

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454 views

1 answer

win10防火墙在控制面版看不到

如题，记不住最近弄了啥，突然防火墙不能启用（灰色），然后各种百度操作之后连显示都不见了。。有没有知道怎么阶级...

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

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336 views

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组件库开发，less变量覆盖切换主题

我使用vue-cli4开发了一套组件库，想让它能够像iview一样能够通过覆写主题变量的方式换主题。vue.config.js和less该怎么配置别人安装依赖后可以通过less覆写变量的方式换主题呀。...

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

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174 views

1 answer

Android: How to enable printing to android console in external java library?

I'm using an external java library in my android project. Now I want to print stuff inside this library to the android ... use Android Log.d("...") inside the Java library....

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

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375 views

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glibc - GNU malloc size classes

I have been trying to find information on whether GNU libc malloc uses size classes like jemalloc. I haven't ... That means that they are well below the MMAP_THRESHOLD limit....

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

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1 answer

php - Fetch returns nothing to <Text> after getting info from page 1 to Query API

This code works for php and returns the json Data, tested on my browser and postman <?php $host = 'localhost'; $db_user = ' ... }); I need a guide as to what i am doing wrong...

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

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534 views

1 answer

在vuejs里面提取并使用公共方法有几种解决办法？

如题。为什么我看见有些教程需要在main.js里面引入呢？...

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

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c# - Keep getting session out with OIDC JS client and Identity server 4 Authorization flow with PKCE flow on Azure app services

Using Identity server 4 with OIDC JS client in every 10 seconds the application reloads, in the network tabs I can see ... as you can see in the network tab. OIDC usermanager logs...

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

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1.2k views

1 answer

golang gorm 自定义预加载正确用法是什么？

// 首页活动模块区域分类表模型 type LabelType struct { Model Id int `json:"id";gorm:"primary_key"` MallId int `json:"mall_id"` Status ... ")} 就会报错 invalid query condition: 0xa6f620 不加这个是可以正常查询的...

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

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518 views

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java - Collapsible sub menu in Android Navigation Drawer Menu

I want to make a collapsible sub-menu in my navigation drawer. I started with a Navigation Drawer Activity sample. My ... this post, this post or this one. Thanks in advance....

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

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99 views

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javascript - How do I return the response from an asynchronous call?

I have a function foo which makes an asynchronous request. How can I return the response/result from foo? I tried returning ... ); return result; // It always returns `undefined` }...

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

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python - Pandas: Creating column based on multiple different columns

Ok im feeling like this one is very easy and there should also be the right answer in a previous thread, but apparently ... the right way to handle this? Thanks a lot in advance...

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

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1 answer

javascript - Adding session to the middleware token auth

My project is in Vue3 with node express backend server and firebase for database service. The front end api call for ... user can update data only for a certain period of time....

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

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178 views

1 answer

js 正则匹配

现在要匹配一个字符串，形如 "0xc743853543F" 以0xc开头，中间9位数字，以F结尾，这种应该怎么写正则表达式？...

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

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264 views

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Kubernetes Pod will restart after deleting

I created a pod that I want to delete but it does not seem te work. I did all ready tried a lot of different things ... pod will come back again. Is there something else I can do?...

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

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256 views

1 answer

python - Why fancy indexing is not same as slicing in numpy?

I have been learning Fancy indexing but when I observed the behavior of the following code I got a couple of questions ... ? And how to achieve that? Please enlighten me. Thanks...

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

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96 views

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javascript - prevent video to download certain source on mobile

I'm building a webpage where I have several video, so I've exported 2 different media for each of them: one high ... and high-quality videos when on mobile. Thank you very much!...

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

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537 views

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powershell - Why is the the exported file blank?

I found this Powershell line that returns a list of users and password expiry dates: Get-ADUser -filter {Enabled -eq ... but the output file is empty. Can anyone help please?...

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

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311 views

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泛型类和非泛型类但有泛型方法有什么区别

泛型类和非泛型类但有泛型方法有什么区别...

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

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195 views

1 answer

print-js 打印了重复数据

我使用print-js 点击打印后打印出两个重复的数据了；大佬求救如何解决； //?打印当前的库存列表 printData()?{ print({ printable: 'printJS-form', type: ' ... :15px?0;border:1px?#000?solid;text-align:center;}' //?表格样式 }) },...

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

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