Jonic Developer Community

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Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

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379 views

1 answer

I keep getting this error for the colorgram module in Python

I keep getting this error when I am working with colorgram: Module 'colorgram' has no 'extract' member Here is my code so far: import colorgram colors = colorgram.extract("hirst/hirst.jpg", 84)...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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359 views

1 answer

企业微信的OKR管理平台？

企业微信版OKR管理平台...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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294 views

1 answer

create-react-app如何配置全局样式和scope样式？

比如：页面中需要同时引入 import './common.less' import style from './style.less'; 现在我只能使用其中一种，不能两种同时使用。请教下各位都是怎么处理这个问题的？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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217 views

1 answer

html - How to make sure output of <pre> tags is properly aligned

How should I write text inside a <pre> tag (in particular consider the presence of other HTML tags such as <b> or <a>) so that the final result is ... getting things like this: 9 texts blah 10 texts blah 11 texts blah 12 texts blah...

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

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121 views

1 answer

Problems with form in php script and using a javascript onchange href event

I have problems with an - I have to say - really old code I programmed many years ago (it worked back then) Here it is: <form name="eingabe" method="post" ... what I have to change to get it working again? Thank you all for your input. René...

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

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179 views

1 answer

How to convert special characters like "ü" from a SQL DB using PHP to display in a browser?

I am not familiar with the concept of encoding. That's likely my main problem. However, I just want to be able to take values that are already in my ... seem related but none that have worked so far. Any help would be much appreciated....

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

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253 views

1 answer

node.js - Deplyong on DigitalOcean with NodeJs diffculty

Hello I was recently using heroku but decidedto change to digital ocean as the price is better. I deployed the on digital ocean making sure to set the environment to production ... ) => { console.log('Server listening on port ' + port); });...

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

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602 views

1 answer

rxjs - How to select a checkbox dynamically from an Observable in Angular

I am trying to create the following screen in Angular 8. I have a list of items (Item1 to Item4). A particular person inherits whether these items are turned on ... but I can't spot it. Can someone point me int he right direction? Thanks...

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

0 votes

490 views

1 answer

use a value from an R dataframe to normalise a column of another dataframe

Apologies if this has been asked before! I have a big data set that I need to normalise. The data is in one dataframe, and the value needed for normalisation ... way - so I was wondering if anyone had any ideas, please? Many thanks!...

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

0 votes

570 views

1 answer

redis 的发布订阅模式，底层是用 list 实现的么？

底层的数据结构...

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

0 votes

533 views

1 answer

api - Get SteamID by Steam Apikey

As described, I want to get the SteamID from the Steam apikey. I need this to verify the apikey users gave me after doing a Steam login to my ... a response only dependent on the apikey but they don't return the corresponding SteamID....

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

0 votes

110 views

1 answer

python 3.x - How to absorb any change to the source Module code in python3?

I need to design a code that needs to be backward compatible. In my code (myModule.py), I am importing some modules(sourceModule.py) from a different location. ... places in my code. This can turn my code ugly with full of version checks....

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

0 votes

90 views

1 answer

Error in converting pine scipt from version two to four

I had a version 2 pine script to plot vwaps which I converted to version 4. after having a closer look at the converted script, i noticed something abnormal.(picture for ... "Previous day VWAP", color = color.red, linewidth = 2)][1]][1]...

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

0 votes

268 views

1 answer

tmux 的配置为什么不认识这个配置选项呢

tmux -V 当前版本：tmux 1.8 第9，10，11，2行配置有问题，bind-key, mouse 实现同样的配置，对应当前的版本需要如何配置？大概贴一下当前的配置： # mouse scroll set -g mouse on # copy mode use ... }" bind '"' split-window -c "#{pane_current_path}" bind % split-window -h -c "#{pane_current_path}"...

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

0 votes

338 views

1 answer

node.js - Sync MongoDB with Algolia Search Nodejs

Trying to Sync my MongoDB collections using mongoose-algolia package (https://www.npmjs.com/package/mongoose-algolia) My schema const ProjectSchema = new Schema( { ... wrong? Looking at the documentation, this is exactly how they used it....

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

0 votes

170 views

1 answer

mongo中locak库特别大是为什么？

新集群，刚运行十几天。磁盘空间是9T，总数据量现在是500G，但是其中一个分片的local库已经800G了...

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

0 votes

113 views

1 answer

swift - Problem with updating ForEach with changing number of items - .count seems to return wrong value

I created a simple view designed to show the content of an array that is stored in an Observable Object property: struct Satellite { let name: String let orbit ... Xcode 12.3 I'd be grateful for any clarification on this behavior. Thanks...

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

0 votes

302 views

1 answer

求助，如何通过css让文字不超过图片的宽度？

描述: 如何不用js情况下，让图片和文字对齐结构: <div> <img src=1 title="或许很短，或许很长，所以要加入max-width和min-width"> <p>文字，或许很长很长很长或许很长很长很长或许很长很长..</p> </div> 目的让文字和img同宽度，img不能写死宽度，需要max-width: ... 使用JS,因为涉及数据量大需要列表循环渲染，然后再每一张计算实际宽度，导致页面结构变化或延迟问题想要的结果图样：各位大佬求助！！！...

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

0 votes

119 views

1 answer

Testing a form in react not using redux-form but normal react-redux and checking state giving problems

I am using react with typescript here is the login form very simple one import React, { ChangeEvent, FormEvent, useRef, useState } from 'react'; import { ... ) => { return { type: actionTypes.SET_USERNAME, username: username, }; };...

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

0 votes

297 views

1 answer

VUE使用video-player视频插件页面滚动出现脱离文档流

h5播放video在android中滚动的时候脱离文档流怎么解决？如下我的代码： <div class="audiobox"> <video-player class="video-player vjs-custom-skin" ref="videoPlayer ... timeDivider: true, durationDisplay: true, remainingTimeDisplay: false, fullscreenToggle: true } } } },...

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

0 votes

138 views

1 answer

javascript - jQuery / ajax only runs once

I have the following code, that works perfectly, however only once. After that I need to refresh the page. I know the Ajax request to PHP runs as I can see that ... </span></div>'; $("#shopping_cart_content").replaceWith(element); } }); });...

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

0 votes

273 views

1 answer

javascript - Firebase Firestore - does creating a snapshot event listener cost excessive downloads?

Initially, my use case was paginating data with snapshot listener, like here: Firestore Paginating data + Snapshot listener But the answer there said it is not currently ... won't work on a more funadamental level, I'd like to know....

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

0 votes

422 views

1 answer

windows7好还是windows10好_电脑系统7和10哪个好用?

想买台笔记本不知道要装什么系统比较好？...

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

0 votes

253 views

1 answer

reactjs - Cant access environmental variables React

I am trying to make my login re-usable by storing enviromental variables in .env.local. However whenever I try to call these variables I get undefined ... .env.REACT_APP_AMARBIS_APP_ID }) export const auth = app.auth() export default app...

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

0 votes

546 views

1 answer

只想用sequelize更新部分字段却被提示要提供所有的字段，该咋办呢？

如题：求解！谢谢！~~~~ 代码：await this.model.update({ name："aabb", , title: enterprise }, { where: { id: id }, transaction: transaction }) 报错： `The expected type comes from property 'title' ... 'xxModel'` model里面不止两个字段，但我只想更新两个，却被提示要提供所有字段，该怎么办呢？...

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

0 votes

253 views

1 answer

Flink DataStream Source读取HDFS数据不会触发窗口计算

1.如题，我用env.readTextFile("hdfs://"),直接打印可以看到数据，但我在创建窗口的计算不会进行，使用了处理时间，窗口是10秒的滚动窗。有人知道为什么吗？...

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

0 votes

152 views

1 answer

django2.1.x NoReverseMatch

Reverse for 'order' with arguments '(1,)' not found. 1 pattern(s) tried: ['user\/order$'] 报错显示为 bast.html 文件中的 a标签的href的属性...

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

0 votes

439 views

1 answer

graphql - Amplify and AppSync not updating data on mutation from multiple sources

I have been attempting to interact with AppSync/GraphQL from: Lambda - Create (works) Update (does not change data) Angular - Create/Update subscription ... ://docs.aws.amazon.com/appsync/latest/devguide/conflict-detection-and-sync.html...

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

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