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微信小程序怎么科大讯飞AIUI平台webapi接口，我请求了，但是请求不回来数据

是我的代码有什么问题吗，还是方式不对呢请求成功了，但是返回不出数据...

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

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reactjs - Update child component when state in parent component changes

I have a parent component which has the Hierarchy component inside it. The parent component is rendered conditionally based on the ... ; }) } else { this.getHierarchyFromAPI(); } }...

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

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vue3.0如何动态的改变子组件的属性

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

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问一个很基础的样式问题

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title> ... ？都已经实习几天了，还是搞不清一些基础的样式问题_(:з」∠)_...

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

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三张表联动查询，查询该部门有几个订单，订单跟用户表关联，用户表跟部门关联。

部门表 toadmin_auth_department 用户表 touser_auth_user 订单表 business 关系是：部门表里有a,b,c,d部门用户里有1，2，3是a部门的，4，5是b的一个用户只能对应一个部门订单表是每个订单对应一个用户 ... 在后端偶尔要帮忙写，用的TP6框架对后端跟数据库的操作实属不熟希望各位大佬给个思路...

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

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r - Different runtime for svm and ranger using the same task

I've bench-marked the runtime of the two learners and also took two screenshots of the {htop} while {ranger} and {svm} was ... 1 stringi_1.4.6 munsell_0.5.0 #> [45] crayon_1.3.4...

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

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r - Quickly filter down a grid of sf points according to a polygon

I want to make grids (in the sense of data frames of x- and y-coordinates) over the US, or regions of the US, throwing out any points in ... "x", "y")])))), us)),])) print(nrow(g))...

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

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shell 多行合并或多行提取

各位大佬，目前有类似这样的文件：import 和from 可能在一行，也可能不在一行，是多行 import React, {Component} from 'react'; import { Platform, StyleSheet, Text, View, FlatList, ... 据关键字对行合并成一行怎么写呢，或者怎么能的呆我想要的结果呢非常感谢 ...

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

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linux - futurebuilder has no instance in in flutter

body: FutureBuilder( future: taskList, builder: (context, snapshot) { if (!snapshot.hasData) { return Center( child: ... (length:2) of '_GrowableList' Tried calling: call(0)...

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

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mysql 内连接select...where和inner join的区别是什么？

两份查询结果都是一样的，我想知道他们的有何区别吗或者性能方面？...

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

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Highlight value reduction in google sheet while ignoring blank cells

I have a google sheet of values that vary across dates and I want to be able to highlight cells where the value ... jan5. Is there a way to do this with conditional formatting?...

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

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拓展知识面的书籍推荐

为了拓展知识面，储备知识，我拿当当热榜里找了一些书，求大神再推荐一些！！或是推荐一些书籍热榜。...

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

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javascript - How to export data to excel using react libraries

I am using react-html-to-excel to convert my table to excel but what I want is to not to export the first column to ... open to use any other library which do these kind of stuff....

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

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780 views

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electron无法监听网络变化

我在app.vue中加入监听网路变化的代码，但是当我断开网络，或者连接网络，都不会有弹框，求大佬给解决下！！！...

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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关于Spring Security 中 User 的设计上的问题

近期在研究 Oauth2，由于 Security 有点遗忘，所以重新看了下，在阅读源码发现 Spring Security 中的hasAuthority()和hasRole()方法最终指向了同一个方法hasAnyAuthorityName() 这点在以前被忽略，Role表示 ... ，且网上关于这个内容的我并未能够找到，所以想请教下各位这些问题，感谢解惑 ...

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

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2.3k views

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android studio - Kotlin AddOnPageChangeListener not working

I wanted to connect a viewPager with an adapter (like this: viewPager.addOnPageChangeListener()), but the letters of the ... myAdapter viewpager2.setPadding(100, 0, 100, 0) } }...

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

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Android scrollbars appear inside views after opening preferencescreen

I use navigation architecture component and if I navigate to the settings page and then I go back ... color_values" app:useSimpleSummaryProvider="true" /> </PreferenceCategory>...

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

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秒级的定时任务怎么做

scheduleJob设置定时任务要求scheduleTime是一个MINUTE类型的标量/向量,我想要每10s读一个文件里的数据,怎么做定时任务....

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

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How do I turn my MongoDB aggregation script into a java spring webflux code for use with mongoTemplete?

The idea is to unite the payment and refund colletions, transform it into a new collection called transaction, which ... -95dc-e52554f5df21, type=null, payment=null, refund=null)...

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

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html - Is there any ways to target the individual data and put it in PHP session without overwriting it?

I am currently trying to develop a basic car reservation system.I use mysqli_fetch_assoc to retrieve the data from the database and display ... table> </div> </div> </body> </html>...

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

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1.9k views

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Docker 持续部署相关

是这样的我做了小容器，里面是通过直接 git pull 来更新项目的，但是部署的时候必须使用容器的 id 去进入容器然后拉代码，这样对于自动化部署不太行因为部署代码里就必须写死容器 id，想请问 Docker 有类似别名之类的方法批量进入容器然后执行统一命令么...

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

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2.2k views

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git tag --sort=taggerdate 和gitlab中显示的不一样

想获取最新的tag，但是发现gitlab中tag排序和命令行中获取的结果不一样，这是为什么呢: 在gitlab创建几个测试的tag：在命令行中获取tag： [root@xxx2 dev_client-protocol]# git fetch remote: ... 0.0.2 命令行中获取的顺序是不对的，明显和创建tag时间不符，这是为什么呀...

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

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2.5k views

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c# - Setting Up Skill in Unity

These past month+ I learned many things by making a game in Unity.I have a lot of fun doing so. But some thing are still ... { isPressed = true; } else { isPressed = false; } } }...

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

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2.0k views

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.net core下SQL Server分库分表问题

1.一般多大数据量需要分库分表、分区 2.有哪些.net core的分库分表中间件或者框架...

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

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python - How to randomly uppercase characters in a string?

I want a way of grab an string variable and randomize which letters are uppercase, like so: upperRandomizer(" ... () method without success. Any help would be appreciated....

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

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2.6k views

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Django自带测试服务器可以正常启动，使用uwsgi则报错

网上找了很对种方法就是解决不了，各位大佬帮帮忙...

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

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mysql - How to fill a SQL column with data (calculated) from another table

I have a question and don't know how to approach the problem exactly. I have two tables as following: Clients | ... c.tour_id = t.tour_id ) AS tours.tour_bookedspace FROM tours t...

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

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html - JavaScript Array is filtered but select option are not filtered duplicate IDs?

i have two datatable with drag and drop functionality. each row of datatable contain the IDs. when i drag the row of ... option value="66" selected="selected"></option> </select>...

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

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