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请教一个问题，这样一个table，在第三列列名不确定的情况下，应该怎么改第三列的列名呢？试了用元编程来改，结果也不太对代码如下： sql( ... date_array_p),sqlColAlias(<colNames(tmp_cur_col_table)[2]>, `value)), from = tmp_cur_col_table).eval()...

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

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1.2k views

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javascript - Passing data via React Router

So I have a problem with passing data from one Component to another. So I have Free To Play Component which has ... , setSearchValue}}> {children} </SearchContext.Provider> ); }...

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

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1.3k views

1 answer

antv/g6 tooltip如何延迟显示

需求是这样的，tooltip展示需要获取后端数据，但是需要等请求回来数据之后再展示那请问如何才能控制tooltip延迟显示？...

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

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1.6k views

1 answer

后端如何管理文件？

要做一个用户上传文件的库需求是一个“文件对象”对应一个文件（file），文件名，上传时间，上传用户以及内部的文件路径和名字数量可能会很大该如何管理这些文件？...

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

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2.4k views

1 answer

go - Graceful stop of gin server

I'm trying to implement a clean way of gracefully stopping my gin server using a parent context passed to my class. Here ... ("Server forced to shutdown:", err) } return nil }...

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

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2.1k views

1 answer

react classnames 抽离

如图有没有好的方法可以抽离出我勾选的那块我尝试过定义一个方法用传参的方式但是一直报错 <li className={classnames({ disabled: item.type !== ' ... /p> <img src={item.img} title="" className="instruction-img" /> </li>...

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

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2.6k views

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Correct Way of Calculating the iOS Content Inset in React Native

What is the correct way of calculating the content insets (https://developer.apple.com/documentation/uikit/ ... human-interface-guidelines/ios/visual-design/adaptivity-and-layout/...

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

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2.8k views

1 answer

javascript - How to display popup message before deleting a product in php

<a href='../../include/Query.php? deletepro=yes&proID=".$row['proID']."&proName=".$row['proName']."' onClick= ' ... a popup msg so please someone help to solve my problem. Thanks...

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

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2.9k views

1 answer

js二维数组如何横向穷举？

假设有一个二维数组： let arr = [ ['1','2','3'], ['a','b','c'], ] 怎么样才可以实现"横向的穷举"，不知道我的描述是否准确，结果如下： ['1','2','3'], ['1','b','3 ... 中的数组，是不会出现原数组的同一个下标的数据，比如:1 和 a 不会在同一个结果数组中出现，同理，2&b,3&c也是如此...

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

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3.3k views

1 answer

Application Insights Summarize with Having clause

I need to summarize an Application Insights query where the count > 1. I don't see any "Having" clause like SQL ... summarize Count = count() by MessageId | order by Count desc...

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

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3.2k views

1 answer

Google Workspace addon with BigQuery for usage recording

I'm developing an addon of Google Workspace (Google Slides) and having an issue of BigQuery API calling by any of ... service account etc? Thank you for your help in advance!...

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

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3.2k views

1 answer

springboot 怎么在 controller 上注解让不同的 url 支持不同的 method？

比如 url1 需要只支持 POST url2 只支持 GET 两个 url 映射到一个方法上，有什么好的方式，如果使用 RequestMapping 分别写两个 url 和 method，会产生四种组合感觉不是太好老项目做 restful 改造，兼容老的，照顾新的确实很麻烦...

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

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3.2k views

1 answer

three 整个场景可以深度拷贝吗

使用场景：场景默认有个网格，坐标线，环境光每次加载一个不同的场景，需要去清除场景中里面的scene.children对象（非网格，坐标线，环境光），如果不是深拷贝，每次 ... obj.name ==='axisHelper'|| obj.name ==='ambientLight') return this.removeObject(obj) })...

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

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3.4k views

1 answer

vue v-for中的:style怎么使用过滤器

我item.img，要在前面拼接一个地址，请问可以实现吗item.img|imgFormatter不行 <div class="swiper-slide" :style="{backgroundImage: 'url(' + item.img + ')'}"> <div class="text-c cm-content"> </div> </div>...

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

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3.8k views

1 answer

定义 .d.ts 时不能与 .ts 重名

|__any |__a.ts |__a.d.ts 项目目录结构如上，定义 .d.ts 时不能与 .ts 重名，否则，eslint 会显示如下错误信息，编译时，找不到 .d.ts 中的定义 Parsing error: "parserOptions. ... provided. 这种场景没在官网看到要如何配置，关于 .d.ts 文件的位置和命名有什么限制吗？...

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

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3.9k views

1 answer

ourter:是啥

在lodash的baseDifference.js看到ourter: 很迷惑...

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

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4.3k views

1 answer

sass - Place icon inside search field as a button in Angular

I am trying to place the "search_icon" magnifying glass inside of the search field and code it as a button. This ... <mat-icon svgIcon="search_icon"></mat-icon> Any suggestions?...

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

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3.7k views

1 answer

如下js代码，为什么两个alert出来的都是false呢？

//是否是草稿 var is_draft ='<%=save%>'; alert (is_draft) alert(!is_draft)...

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

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5.0k views

1 answer

node.js - Exposing service from Kubernetes NGINX Ingress controller always return 502 Bad Gateway

I am having issues with request to my NodeJS app running in my kubernetes cluster in digital ocean. Every request returns a ... com", referrer: "https://dev-api.service.com/status"...

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

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4.2k views

1 answer

Create two dataframes using Pandas from a text file Python

I need to create two dataframes to operate my data and I have thinked about doing it with pandas. This is the ... something like: Is it possible with Pandas? Thanks is advance,...

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

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8.9k views

1 answer

NG0200: Circular dependency in DI detected，为什么并且我该怎么做？

我想往子组件中注入父组件，但是有一个错误： Error: NG0200: Circular dependency in DI detected for ParentComponent 子组件： ... @SkipSelf() @Optional() public _parentComp?: ParentComponent ) { } }...

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

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4.1k views

1 answer

c# - Get error when comparing typeof(Dictionary), because Dictionary`2

I`m working in Unity, and in my game, I want to get variables of objects to give player permission to change them. So, this function ... "`2" and List without "`1/2/3" at the end?...

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

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4.5k views

1 answer

keyboard - Are there UTF-8 respectively unicodes for dead keys?

I work with an application called Lightworks. It supports different keyboard languages, by using configuration files where the ... order to get the result? https://keycode.info/...

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

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3.9k views

1 answer

uniapp movable-area 双指放大后离开屏幕后再双指缩小就不行了

<movable-area scale-area class="movable-area"> <movable-view class="movable-view" direction="all" @scale="onScale" scale="true" scale-min="1" ... @scale 这个事件也不执行了有遇见过这个问题的伙伴吗 ...

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

0 votes

4.3k views

1 answer

flutter - How to import xml file to dart object

I'm trying to import an xml file exported by c# XmlSerializer to dart object using xml package but ... ._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)...

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

0 votes

4.1k views

1 answer

现在有必要选择spring webflux吗？

以前还没有用spring的东西，感觉不合格 spring mvc 现在很少项目用他了，这些年基于spring mvc的springboot为主流在使用spring-cloud-gateway 发现抱错了，已经不支持spring mvc ... 哄哄 spring mvc 或许还有很长的寿命吧！ ostack.cn 现在还没有他的标签...

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

0 votes

3.8k views

1 answer

iviewui的 DatePicker 为什么我回显的时候明明有值却提示没值呢?

校验不通过...

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

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4.0k views

1 answer

eclipse 如何在使用快捷键进行单行注释时不在行首，而在代码前？

正在学习java，看到教程里都使用 eclipse ，我也下载了一个，发现细节上难用的一批，都快无语死了。我想要的注释结果是这样的但是实际效果是这样的有没有方法改一下，百度了半天，也没找到一个有用的，说是让改模板，改了也没辙，eclipse 真的是，一言难尽。。。。...

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

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