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335 views

1 answer

Vue项目利用websocket和终端保存实时通讯如何保证watch有效输出

主要使用watch监听消息，实时在页面中显示，若连接过程中，某一些时间点，终端返回的消息数量突增并且数据很多，易造成渲染次数过多，容易造成页面崩溃，有没有什么解决办法...

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

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144 views

1 answer

OC 内存管理问题

最近学习 OC 内存管理遇到个问题 main.m int main(int argc, const char * argv[]) { Person *p1 = [[Person alloc] init]; Person *p2 = [[Person alloc] init ... 可能和内存管理没什么关系，可能是变量引用的问题，初学 OC 希望大佬们指点下～...

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

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246 views

1 answer

不确定层级列表的Angular8组件如何设计，传值？

如下图，可能存在多级列表页面，描述：比如在一级列表点击某一项，点击时，需要根据此项数据是否有 parentProjectId 来判断此项下，是否有子项目，从而决定下一级是列表页还是详细页假设现在有二级列表页(一级和二级) 1.组 ... 件，还是分别两个组件？ 3.各情况下如何传值？另外有面包屑导航和返回上一级按钮列表页：详细页：...

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

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231 views

1 answer

nginx - Trouble accessing host on Homestead/Vagrant box via the browser

I have a Laravel Homestead (Vagrant) box, using Oracle VM VirtualBox, under Windows 10. This is a Ubuntu ... either domain, I get unable to connect, ERR_CONNECTION_REFUSED etc....

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

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648 views

1 answer

vue+axios跨域请求接口报404

...

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

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397 views

1 answer

为什么JsonConvert反序列化iOS8601格式的string时，会自动处理成简化格式

问题背景：语言为C# 定义了一个类型： public class A { public string start { get; set; } public string end { get; set; } public A() } 现在声明一个 ... <List<base>>(str, settings); 我并不希望得到这样的结果，我希望它可以保持原样...

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

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357 views

1 answer

malloc申请内存从堆空闲空间的最低地址开始分配吗？

char *p=(char*)malloc(sizeof(char)*100); 比如项目分配的堆起始地址是0X5000,如果我每次free成功重新申请内存是从0X5000（或相近地址）开始吗？如果我经过第N此malloc然后free()之后发现指针p地址变为0X6000，是否说明0X5000~0X6000之间的内存没有free()成功？...

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

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122 views

1 answer

Capturing Pandas aggregation in to Lists

I have a column of data which has datetime and another column which has a numeric field (Length) and I am able to aggregate ... Similarly for mean, max. Is there a way to do it?...

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

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356 views

1 answer

ggplot2 - R facet with geom_col?

I have imported the below excel file into the RStudio My goal is to display in a facet of 4 different barplots ... on top of each one different Question and using the percentages?...

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

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307 views

1 answer

apache spark - Date format in Pyspark Dataframe

My data: [Row(ID=2887628, Date_Time='11/01/2019 05:00:00 PM'), My code: from pyspark.sql import functions as F df ... : [Row(ID=2887628, Date_Time=None), What's the problem here?...

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

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1.0k views

1 answer

tinymce 3 - How to set default Font and Font Size in Tinymce3.0?

Not able to change default font and font size. I have tried different methods as following. content_style: "body { font-size: ... ; }" this.getDoc().body.style.fontSize = '14px';...

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

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328 views

1 answer

SQL Server - Concatenate all child parent relationships into a single string

The problem: I have a table that has family trees that has parents and child elements. What I need to return is the ... 3 Grandparent1 null 4 Child2 5 5 parent2 null 6 Child3 null...

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

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229 views

1 answer

Fill placeholders in runtime when running a function in python

I am working on a python script to print an IAM Policy after running a function, I have written my function in ... How do I fill the placeholders for "start_time" and "end_time"...

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

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330 views

1 answer

用户查询消息数据库设计

1.首先一个表里有几万个公司信息，每个公司有个账号，后台有一个发布消息的功能，怎么设计表结构，后台可以设置消息可以被哪个公司读取，假设1万个公司能在app读取到消息，怎么设计不会在数据库存太多数据？...

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

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69 views

1 answer

CSRF的token是怎么生成的？

不是很清楚防御csrf攻击的流程尤其是token是怎么生成的？为什么前后端会对应的上？是不是还要一个请求让后端把每次不同的token给前端？...

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

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321 views

1 answer

php - Change ICL_LANGUAGE_CODE

I got an error PHP Warning: Use of undefined constant ICL_LANGUAGE_CODE - assumed 'ICL_LANGUAGE_CODE' (this will throw an Error ... = 'AED'; } break; } return $currency_symbol; }...

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

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552 views

1 answer

php - mysqli_query expects at least 2 parameters

This mysqli_query command results in the error below mysqli_query("INSERT INTO `counter`.`hits` (`page_hits`) VALUES (1)"); ... this error message mean, and how can it be fixed?...

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

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1.0k views

1 answer

在android studio里面正确的打开weex工程？

https://github.com/apache/inc... 根据官方指导git submodule update --init --remote之后引入了子工程这样在incubator-weex/android和incubator- ... 通过，但是不是源码引入的sdk 尝试修改setting和implementFromWeex=true也不行 ...

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

0 votes

219 views

1 answer

Run `docker compose` in GitLab pipeline

I need to deploy an application stack to ECS. To do this, I use the new Docker Compose ECS integration (see e.g. ... able to run the new docker compose command? Thanks in advance....

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

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533 views

1 answer

xamarin.forms - Role based authorization with Azure ADB2C having mobile app(Xamarin Forms IOS app) as a client

We have a scenario where in mobile app(Xamarin Forms IOS APP) logs into the Azure ADB2C and generate a JWT token ... particular scenario would be very much helpful to us. Thanks!...

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

0 votes

178 views

1 answer

kubernetes - Get client source IP on docker for Windows

I have a docker container running on a Windows Server host, it has a Java app running which communicates with remote ... ; Nothing of these two solutions worked, thanks in advance....

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

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222 views

1 answer

.net core - How can I solve the error in my API project?

I added an API project to my project. Although I have given all references when I run it, I get the following error. How can ... (page - 1) * pageSize).Take(pageSize).ToList(); } }...

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

0 votes

422 views

1 answer

ckeditor使用insertHtml时，会自动包裹p标签

已使用下面的配置规避但这个配置不是对键入enter等才生效吗，为什么对insertHtml也生效呢 ` config.enterMode = CKEDITOR.ENTER_BR; // 键入enter时，也就是回车 ... p> config.shiftEnterMode = CKEDITOR.ENTER_P; // 键入shift+回车后为<p>标签 `...

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

0 votes

256 views

1 answer

Reevaluate AWS Config rule using CloudFormation

Our entire stack is automated using CloudFormation. I have created a custom rule in AWS Config that uses configuration change ... and then deploy again. Is there a better way ?...

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

0 votes

457 views

1 answer

如何用 nodejs 打开 vim

require("child_process").exec("vi", (err, data) => { console.error(err) console.data(data.toString()) }) 显然没法用，咋整啊...

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

0 votes

307 views

1 answer

vue脚手架lang=‘stylus’报错

在style的lang属性中使用了stylus报错，内容如下 2.package.json内容如下，已经下载过stylus和stylus-loader 3.小白，已经在网上找了很多相关的问题了，但都没能解决，蹲一个大哥帮帮我这个小白，麻烦各位大哥了...

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

0 votes

372 views

1 answer

c# - Swagger EF Core 3.1 Delta<Object> Request Body - Show Object Schema not Odata.Delta

I've recently started using Swagger/Swashbuckle in my EF Core project. When I've added a Patch API to the documentation ... _deltaParam.Length); schema.Reference.Id = model; } } }...

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

0 votes

166 views

1 answer

急急急，求用过Jquery的大佬帮帮小弟

我在写一个项目是原生html，引入了jquery、jqueryu-ui、vue、axios等，用axios生成的新数据，在页面用vue动态渲染，但是渲染出来的东西怎么跟jquery-ui的draggable拖拽事件相互绑定，直接写的数据是没问题的，但是动态渲染出来的页面有问题，不能绑定事件，该怎么办？有没有什么解决方案？...

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

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