OStack Q&A-Knowledge Sharing Community

0 votes

502 views

1 answer

请问，hotspot使用直接指针指向对象地址，那JVM垃圾回收时，对象地址发生变化，是如何维护引用与对象地址之间的关系呢？

比如一个引用re，指向了对象A的地址addA，JVM进行垃圾回收时，A对象的地址变成了addB。此时引用re是如何与对象A新的地址addB重新建立连接的呢？...

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

0 votes

156 views

1 answer

javascript - Ray Tracing with JS

Good Morning. I'm doing a small ray tracing example with JS but I've a problem. When I'm trying to calculate the reflected ... aux2 = vec3.scale(incY,y); // Increment de Y * y...

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

0 votes

316 views

1 answer

vue打包从node_module中提取文件到文件夹

### 问题描述由于chunk-vendors.js过大,分离了部分大的模块,采用了cdn加载,同时做了cdn失效加载本地资源,但这些模块版本改动后,需要手动更改资源,所以想打包时就吧本地资源输出在一个文件夹中 ### ... 入(已经另写了逻辑) ### 相关代码 css和script文件夹是cdn的本地资源(手动添加的) index.html(页面)...

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

0 votes

542 views

1 answer

nswag如何自定义输出文件的模板

业务背景一直以来,写接口都是从接口文档(apizz, yapi, postman等等)复制链接,参数,自己写ts模型,封装公共请求函数...这些操作完全是重复的...每次新增项目,新增 ... (property)) (<any>this)[property] = (<any>data)[property]; } } } init(_data?:...

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

0 votes

522 views

1 answer

jenkins pipeline - docker push to artifactory gives error : "Target host is not specified "

I am trying to push docker image to artifactory using jenkins declarative pipeline. Below is my code- stage('Push ... i am not able publish build info and execute other stages...

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

0 votes

491 views

1 answer

请教DevEco Studio1.0新建工程后，找不到MagicWindow一栏，该怎么解决？

DevEco Studio1.0新建工程后，在main目录右键new未出现MagicWindow一栏。在Help中搜索Action呈现disabled actions。我该如何去做？感谢！...

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

0 votes

293 views

1 answer

关于k8s网络

在vitual box中使用k8s 1.19.2 和flannel 创建了一个学习环境，但网络这儿有些疑问：前提：系统 Centos 8.2 网络 Host-Only 问题： 1.firewalld服务是否需要关闭，如果开启的话，K8s ... 5.是否可以配置多网卡，用单独一个网卡配置External-IP，是否只需要一个Node配置多网卡就可以？...

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

0 votes

519 views

1 answer

css - How to change the surrounding color of a selected slider handle in ant-design?

This is the codesandbox with some attempts to change that https://codesandbox.io/s/basic-antd4102-forked-jn0si?file=/index.css ... can any one give some help? Thank you very much !...

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

0 votes

808 views

1 answer

Vue3 setup语法怎么去写scroll的防抖功能

function debounce(fn, wait) { var timeout = null; return function() { if(timeout !== null) clearTimeout(timeout); timeout ... ){ console.log(e); } return { mousewheel,debounce } }...

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

0 votes

1.3k views

1 answer

python 3.x - I have a problem loading the elements in a list to a .h5 file

import pandas as pd for j in csv: j=j[:-4] pd.read_excel("{}.xlsx".format(j)).to_hdf('onedata.h5', key ... elements loaded into them from the list. Any help appreciated. Thank You....

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

0 votes

1.5k views

1 answer

使用Navicat连接Oracle用户基础问题

如下图,在Oracle中使用如下命令创建了用户tableau; create user tableau identified by test; 使用Navicat在连接tableau下,通过界面用户选项,操作创建了用户ADMIN, 在ADMIN用户下,新建了表A,B ... 2.若要在终端对表A,B,C操作,需要登录 ADMIN用户? 右上角->用户选项:...

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

0 votes

1.7k views

1 answer

r - RCurl Cookies on Debian

I am downloading large batches of pdfs from parliaments. I scraped the pdf addresses and now try to download them. To do ... you in advance, I hope I gave all the info necessary!...

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

0 votes

2.3k views

1 answer

I got error array_merge Expected parameter 2 to be in laravel 8 factory?

In Laravel 8.12 running factory from controller I got error : [2021-01-12 16:42:10] local.ERROR: array_merge(): ... /AdFactory.php. Why error and how it can fixed ? Thanks!...

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

0 votes

1.9k views

1 answer

c# - ASP.NET Core 3.1 Certificate Authentication in IIS

I am trying to use certificate authentication with ASP.NET Core 3.1. I will be hosting WebAPI in IIS using inprocess ... anyone has a working sample that I could refer to. Thanks!...

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

0 votes

2.2k views

1 answer

请问antd如何一次提交多个相同的form表单?

父组件通过遍历数组，引用子组件生成多个表单，现在想一键提交这些表单，该怎么做啊？...

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

0 votes

3.5k views

1 answer

react native - cant launch emulator on Android Studio - Unable to locate adb err

Can't run any android app because it is unable to locate adb. When I click on "launch this AVD in the emulator", I ... I use Android Studio 4.1.1 on Windows. Thanks in advance....

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

0 votes

3.0k views

1 answer

请教各位大佬如何通过js修改element组件的样式

问题描述请问各位大佬通过js修改element-ui的样式呢已经可以在css中通过/deep/+经编译后的id进行修改，如： /deep/ #tab-name{ &nbsp &nbspfont-size: 16px } 可是如何用js来动态修改对应id的样式呢如何在js中使用css中的/deep/呢...

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

0 votes

2.9k views

1 answer

antd 表单可以只红色高亮不提示错误信息吗?

这种表格的校验希望只红色高亮就可以，不提示错误信息。怎么设置呢？ antd 有相关api可以设置吗？...

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

0 votes

3.4k views

1 answer

javascript - is there a way to pass undefined.undefined as a function parameter

I want to check if object has a field with value then return default value if it has not.. function testFun(value, ... } } let testVar testFun(testVar, 'this is default vaue')...

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

0 votes

3.0k views

1 answer

webpack 单独打包组件配置怎么写

项目名：component-package 源码目录结构: /src |--index.js |--components |--demo1.js |--demo1.css |--demo2.js |--demo2.css ... [ new MiniCssExtractPlugin({ filename: "[name]/style.css" }) ] }...

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

0 votes

4.1k views

1 answer

React Native Navigation: Pass component to screen in passProps

I'm using react-native-navigation and trying to pass a component to a modal screen in passProps. It works but gives me a ... a better way to pass a component in passProps? Thx :)...

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

0 votes

3.9k views

1 answer

请问下prometheus怎么进行自定义的按业务监控呢

请问下prometheus怎么进行自定义的按业务监控呢，比如我有两台机器，现在设置一台按照磁盘超过80%报警，另外一台按照磁盘超过90%报警，请问下在哪个配置设定报警规则给指定的机器使用呢...

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

0 votes

4.1k views

1 answer

powerbi - standard architecture in power bi o business intelligence

good afternoon, I am defining a business intelligence framework, but I want to define the most commonly used standard tools ... suggestions could you give me, thank you very much....

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

0 votes

3.9k views

1 answer

关于无限级分类的思考

对于无限级分类的设计网上有很多，但都有或多或少的问题，MySQL5.7新加的JSON字段类型支持json字符串搜索，于是设计如下方案： mysql json相关操作函数如下 https://dev.mysql.com/doc/ref... ... 强大，，操作起来比较复杂或者找专门的nosql数据库比如mongodb做这种设计好点？有没有可以指点的？...

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

0 votes

5.1k views

1 answer

linq - string value can't accept it. Operator >= cannot be applied to operands of type string and datetime?

I tried the ParseMethod method but it didn't work. how can i fix this error? request. ... request.searchStartDate && q.OvertimeRequestDateTime <= request.searchEndDate)...

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

0 votes

4.4k views

1 answer

Angular JiT 和 AoT 编译问题

在开发阶段，一般都用 JiT 模式，创建项目默认生成的也是此种模式。问题1：在打包部署时，只能用 AoT 模式吗？问题2：Angular 项目只能部署在 Java 项目里 webapp 文件夹下吗？...

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

0 votes

4.0k views

1 answer

Cmder 如何支持更完整的 ANSI 转义？

颜色只有 16 色，加粗、斜体、下划线、闪烁都不支持。设置里找了半天也没有...

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

0 votes

3.9k views

1 answer

Vue，使用vant-list组件时，如何在点击列表进入详情页之后返回还是在原来的位置？

其实目前标题的效果默认是能实现的但有一个问题就是，vant-list组件是可以下拉滚动加载下一页的如果我一开始点击的那一行不是在第一页，而是在第N页的话此时点击进入详情页，再按返回键，会先触发重新请求，然后滚动加载到点击那一行的那一 ... 【第N页点击返回，会先触发滚动】目前的述求就是：希望第N页返回的时候能不要触发那个滚动，而且直接回到默认的位置...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags