OStack Q&A-Knowledge Sharing Community

0 votes

548 views

1 answer

这是写的一个tab切换，点击的时候，通过父传子的storyList来改变内容，点击的时候跳转到详情页，返回详情页的时候怎么返回之前选择状态展示对应的内容 <ul ... alive> <home-content :data="storyList" :thatCode="rangeCode"></home-content> </keep-alive>...

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

0 votes

769 views

1 answer

highchart/highstock navigator doesn't work with keyboard

I'm using hightchart navigator bar in bottom. I've included the accessibility js file to use all accessible ... doesn't work. Are there any additional properties required?...

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

0 votes

677 views

1 answer

请问一下bitset的位运算问题

有没有大佬知道为什么这个与运算，结果是0010？ (1001 & 0011) 不应该是 0001 吗？...

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

0 votes

931 views

1 answer

ubuntu18.4 连接虚拟机(linux),需要哪些必备条件?

正确答案：虚拟机(跳板机)权限没开.，与常见的一台机器用VM等软件安装虚拟机不同．当前连接失败,互ping不通. 网上多数是windows连接虚拟机,ubuntu为客户端资料很少. 需要哪些设置? 注: 1. ... IP显示IP:124._._. , linux系统IP显示: 192._._. 3.ubuntu 18.4本机IP,172...*...

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

0 votes

895 views

1 answer

html自带的拍摄控件如何解决不高清问题

我买的高清仪设备需要做拍摄上传的功能，这个设备本身拍照是非常清楚的，但是通过html的控件拍摄就特别模糊，是控件本身的问题，还是我代码不规范？ navigator.mediaDevices .getUserMedia ... }) .catch(function(error) { return Toastr.error('抱歉，设备连接有误'); });...

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

0 votes

1.1k views

1 answer

javascript - Console log of array is empty

I have these two code examples: no1 const r = new Array(); for (i = 0; i < 5; i++) { const vari = ... it the difference between no1 and no2 or cheerio is making a problem? Thanks!...

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

0 votes

1.3k views

1 answer

React 如何实现组件顺序调换

页面设计如图所示，组件1，2，3都是自定义组件，想通过一定条件比如点击按钮、拖拽，调换某两个组件的位置，代码应该如何设计呢？...

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

0 votes

2.1k views

1 answer

二叉树中序遍历，求教

给定一个二叉树，返回它的中序?遍历。输入: [1,null,2,3] 1 2 / 3 输出: [1,3,2]...

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

0 votes

1.9k views

1 answer

c++ - filling 2D array with dummy data and input form txt file not working

hi so i need to fill an 2D array of dummy values like x with values form txt file, the "x" are there to fill in ... my input because it's not printing right now i don't know why...

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

0 votes

2.5k views

1 answer

api - How to pass HTTP status code from service to controller in quarkus?

I am trying to connect to a third-party API from quarkus controller . I have a controller using the method of service ... to look into the response body when http status is 500...

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

0 votes

3.0k views

1 answer

react新建项目，启动报错

新建项目后，直接启动的 package.json...

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

0 votes

2.8k views

1 answer

vue router 动态路由中 import添加变量！

当在import中添加变量时，就会出现以下报错！望各位大佬告知解决方案！...

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

0 votes

3.2k views

1 answer

dictionary - How much memory is allocated to map keys? ie will map[uint16]uint16 be 2 bytes per key or stored as uint32/64 regardless?

I'm wondering if uint8 or uint16 Go map keys will be stored as 1/2 bytes or they will have uint32/64 memory allocations regardless of specifying something smaller?...

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

0 votes

3.4k views

1 answer

element tree 卡顿的问题

项目中需要用到 element 的 el-tree 树控件，但是不能使用延迟加载，数据大概 2000 条，没钱非常卡，大家怎么解决呢？谢谢！...

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

0 votes

3.4k views

1 answer

layer在自定义html弹窗只能以字符串的形式吗

layer在自定义html弹窗只能以字符串的形式吗？ $('#lingqu').bind('click',function (e) { var div = '<div style="margin:10px;border:0;padding ... 弹出层中id为dataType的select框的选中option的文本 alert(sel); } }); })...

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

0 votes

4.1k views

1 answer

asp.net mvc - Linq Select OrderBy ThenBy Kendo Dropdownlist

My application is MVC5. I am populating Countries Kendo Dropdownlist, trying to place Canada and United States at the top of the ... Can I use two ThenBy? or what am I doing wrong?...

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

0 votes

3.8k views

1 answer

vscode的command+d如何跳过某一项？

vscode的command+d是选中相同字符，请问大神：如何跳过某一项？如何不匹配大小写？...

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

0 votes

3.8k views

1 answer

请问下自定义alert弹窗，怎么设置样式不被vlc播放的视频遮挡

现在弹框model样式 .model { position: fixed; width: 100%; height: 100%; top: 0; left: 0; background: rgba(0,0,0,0.2); z-index: 2147483647; }...

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

0 votes

3.7k views

1 answer

我一个div有横向滚动条,如何让他页面一加载就让他滚动到中间的位置

我一个div有横向滚动条,如何让他页面一加载就让他滚动到中间的位置...

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

0 votes

3.9k views

1 answer

python - dynamic forecast adjustment on error testing

I have multiple models running to forecast healthcare usage and have the daily actual number feeding in to my database. I want to be ... 01-2016 15 11 19 16 22-01-2016 13 15 14 9...

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

0 votes

4.2k views

1 answer

node.js - How to perform addition of same keys' values of objects and return unique objects from array of objects using javascript?

am working on a task where I get a response consists of array of objects. Now, I want to perform addition on ... Codepen Is there anything am making mistakes in getting the result?...

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

0 votes

3.9k views

1 answer

有关 android studio notification 横幅弹出的功能没有反应

小妹在这里已经卡了2-3天了，研究了很多人的文章，除了低版本api 17有成功外，其他的不是channel null 就是没反应 (channel null已解决) 参考的文 ... ,notify1); break; case R.id.btn_clear_no: mNManager.cancel(NOTIFYID_1); break; } } }...

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

0 votes

4.0k views

1 answer

shiny - How do i perform paging through BigQuery in R?

I am fetching a large data table (around 50k rows) via bigrquery and after performing some calculation displaying that data ... max_results = 5000,start_index = si) %>% as_tibble()...

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

0 votes

3.6k views

1 answer

这个代码哪错了啊？题目和错误提示如下：

char * longestCommonPrefix(char ** strs, int strsSize){ char *a = malloc(sizeof(char) * 10000); int j = 1, z = 0; if (strsSize == 0 ... ][i]; } else break; } a[z] = ''; return a; }...

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

0 votes

4.1k views

1 answer

Exception getting response from HTTPS url in Flutter

I am able to fetch data from the ip address i.e http://116.90.235.212:8087/selfservicev2/HrmsApi/GetOrganizationPublicInfo? ... I am using DIO package to get the data from server....

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

0 votes

3.3k views

1 answer

Issue with the casting but unfortunately there is no casting in android

When I am entering into a particular fragment to this fragment I am getting the below error there is no casting ... at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)...

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

0 votes

3.1k views

1 answer

请教一下两个系统的钱包功能设计

我们现在有两个系统 A和B A系统早期开发了,有钱包 B系统现在开发中,也用到了钱包,(后期可能增加积分,金币等) 我们现在想A和B钱包共用,这个涉及了互通,要实现就不但账号要互通, 因为公司不大,不太合适使用微服务现在我 ... 共的用户表,交易流水,钱包等, 关联方式通过一个token和id,互相绑定A,B用户,通过钱包api的方式操作钱包,这样做如何...

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

0 votes

3.5k views

1 answer

线上rabbitmq cpu占用高，如何排查解决呢

top top -H -p rabbitmq-diagnostics runtime_thread_stats...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags