HTML how to embed a picture using Flask?

问题: I am setting up a web app with flask. I try to show remote pictures Flask replaces {{article["image"]}} with https://gitlab.com/MindReadH/Articles/raw/master/spain.png in t...

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  • 发布于 2018-12-28 17:02
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onSubmit is not executing async function

问题: I'm trying to submit a function that will generate a gif, when pressing the get gif button. However, it does not show anything in the console, and the page reloads. 1)...

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  • 发布于 2018-12-28 16:59
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Text strings must be rendered within a <Text> component issue in React Native

问题: I'm using react-native-cli version 2.0.1 and react-native version 0.57.8. I am learning React native, and have encountered an issue when trying to render two different chil...

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  • 发布于 2018-12-28 16:59
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Why are css selectors duplicated? (SCSS)

问题: I have one .scss file that is connected 4 times in other .scss files, why is the contents of this file 4 times included in the bundle.css? How to solve this problem? file...

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  • 发布于 2018-12-28 16:59
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Is there a way to detect in Chrome whether a HTTP server is responding?

问题: I have a script, which loads a certain address into a child window and works on that. If I cannot access the loaded document I'd like to know whether the browser loaded the...

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  • 发布于 2018-12-28 16:59
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Difference between two array when elements are array

问题: var a = [["Green","Medium"],["Green","Small"],["Medium","Red"],["Red","Small"]]; var b = [["Green","Medium"],["Green","Small"],["Medium","Red"]]; So my result will...

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  • 发布于 2018-12-28 16:59
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How to receive only certain columns?

问题: I have this code which executes a sql query that should return just one column, BIN_NUMBER, since that is the only thing in the select statement. When I assign the result e...

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  • 发布于 2018-12-28 16:58
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应用国际化(3)

阅读更多 前两篇介绍了应用国际化的注意事项和提示语国际化的简单实现。后来阅读spring源码发现,spring对国际化的支持已经很到位了,很多地方都不需要在程序中处理。比如语言切换的拦...

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  • 发布于 2018-12-28 15:57
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Return a remote PDF as application/pdf in Camel

问题: I need to return a remote PDF as application/pdf: in a classic WAR I'd build a servlet that retrieves the remote PDF as InputStream and returns the same PDF as OutputStream...

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  • 发布于 2018-12-28 15:56
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color change for the loading bar component of material ui

问题: I am trying to learn material ui. I am trying to change the css of the loading bar. I referred to the documentation and used colorPrimary classes but its not c...

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  • 发布于 2018-12-28 15:55
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How does Firebase Performance Monitoring SDK discover CPU usage of Android application?

问题: As you can see in the picture below, with Firebase Monitoring SDK you can discover how much user time and system time your app consumes. Check it here The picture is for...

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  • 发布于 2018-12-28 15:52
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sort javascript array by another related value

问题: I have a challenge sorting an array as desired; Below is my code: callbacks : { onComplete : function(id, filename, response) { handler...

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  • 发布于 2018-12-28 15:51
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A problem with nested Arrays and accessing them

问题: So, i'm like really new to coding in general and i'm going to tryout a coding bootcamp. So right now i'm trying to prepare myself to the "entry test" that will be focused o...

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  • 发布于 2018-12-28 15:50
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In the following example, is “<ul/>” a typo or does it have special meaning?

问题: The documentation for getJSON (https://api.jquery.com/jquery.getjson/) has the following bit of code: $( "<ul/>", { Which looks like it should perhaps be </ul...

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  • 发布于 2018-12-28 15:50
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React Components, MongoDB and passing a Key - TypeError: Cannot read property '_id' of undefined

问题: So I'm trying to pass a field from a MongoDB into a React Component as such: import React from 'react'; import ReactDOM from 'react-dom'; import { Meteor } from 'meteor/...

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  • 发布于 2018-12-28 15:50
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Why is “message.channel.find” not a function?

问题: I am creating a discord bot, and I want to create a "warn" command for it, to warn users in a discord server when they are misbehaving. But, when I run the code and try out...

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  • 发布于 2018-12-28 15:49
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How to use two where clauses with like operator in Laravel

问题: I am using like operator two times in different where clauses. If I try one where clause, It works fine, but with both. It doesn't work. Here is my code. $products = Pr...

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  • 发布于 2018-12-28 15:49
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Java 8 compilation error “inference variable D has incompatible bounds”

问题: Java 8 won't compile the code below (Java 7 used to do it fine). I understand the error somewhat but have no idea how to fix my code, can you help me? The error is on thi...

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  • 发布于 2018-12-28 14:47
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Android. How to correctly hide status bar programatically on device with display cutout

问题: I have a viewPager in my app with 2 fragments. And when you swipe to one of them I want to hide the status bar. Here's this code: val hideFlag: Int = View.SY...

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  • 发布于 2018-12-28 14:47
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How to print data for one MySqL record in Angular

问题: I have a table flight in my MySqL database: I want to show in my Spring Boot application data only for the first record with flight_id=1 Here is my json myfligh...

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  • 发布于 2018-12-28 14:45
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