express

setting content type for static javascript files in express

由 折月煮酒 提交于 2020-08-08 05:30:45
问题 I am using express to serve up a page with js files using es6 modules. About es6 modules - https://jakearchibald.com/2017/es-modules-in-browsers/ my server.js file is - const app = express(); app.use( express.static( __dirname + '/src' )); app.get('*', (req, res) => { res.sendFile(path.join(__dirname + '/index.html')); }); app.listen(8080, () => console.log('Listening on port 8080!')); and my index.html is - <html lang="en"> <body> <script type="module" src="./src/test.js"></script> </body> <

NodeJS How To Handle Concurrent Request To MySQL

由 隐身守侯 提交于 2020-08-08 05:24:01
问题 I am having a problem with NodeJS. When I am trying to post/update One balance One account posting from Two different users at the same time. Example: I have API with ExpressJS for post data to the t_account table like this. I need to get latest balance first from max(id) after each transaction. I'm trying to get balance of 400 NOT 300 For Example: Starting Balance = 100 1st new post = 100, => balance =200 2nd new post = 200, => balance =400 Code Example: router.post('/saveBalance',async

NodeJS How To Handle Concurrent Request To MySQL

由 拟墨画扇 提交于 2020-08-08 05:23:29
问题 I am having a problem with NodeJS. When I am trying to post/update One balance One account posting from Two different users at the same time. Example: I have API with ExpressJS for post data to the t_account table like this. I need to get latest balance first from max(id) after each transaction. I'm trying to get balance of 400 NOT 300 For Example: Starting Balance = 100 1st new post = 100, => balance =200 2nd new post = 200, => balance =400 Code Example: router.post('/saveBalance',async

EJS Node.JS Express - css path issue when url with more than 1 parameter

由 自闭症网瘾萝莉.ら 提交于 2020-08-07 06:02:23
问题 First sorry for my poor english ! Well, I am developping a web application using NodeJS / Express and EJS as template engine. I am currently facing an issue. Here is my folder hierarchy App folder/ |___ server.js / |___ node_modules / |___ required / |___ bootstrap / |___ css / |___ font-awesome / |___ images / |___ views / |___ default.ejs |___ home.ejs |___ mission.ejs |___ mission / |___ create.ejs |___ delete.ejs Here is my server.js configuration: // Setup le serveur http var app =

cookie is not shown in chrome developer tools

由 旧街凉风 提交于 2020-08-06 07:28:57
问题 i am using node/express server and angularjs as frontend. server sets the cookie and is shown correctly in the network response. but the cookie is not shown in the resource tab in the chrome developer tools. What are the possible reasons for the same. 回答1: Below are 2 potential reasons for not actually setting a valid cookie: Invalid expiration time - the cookie expires at a time in the past from the browser's perspective Invalid domain for the cookie. Let's say you serve the page from

cookie is not shown in chrome developer tools

由 自古美人都是妖i 提交于 2020-08-06 07:28:27
问题 i am using node/express server and angularjs as frontend. server sets the cookie and is shown correctly in the network response. but the cookie is not shown in the resource tab in the chrome developer tools. What are the possible reasons for the same. 回答1: Below are 2 potential reasons for not actually setting a valid cookie: Invalid expiration time - the cookie expires at a time in the past from the browser's perspective Invalid domain for the cookie. Let's say you serve the page from

How to handle an incorrect POST request using Node.js?

由 吃可爱长大的小学妹 提交于 2020-08-05 15:31:35
问题 TL;DR Form submits a POST request with "data/fileUpload". Server responds 200 and renders a new page. Goody. Try to upload a new file in the rendered page again. POST request is now "data/fileUpload/fileUpload". Server doesn't know what to do. Baddy. I am not exactly sure what is going on, that's why the title is very vague. I am implementing a simple feature to a Node (Express) application. Here is what this feature does: User uploads a file. User submits the file for review. User receives a

How to handle an incorrect POST request using Node.js?

由 时间秒杀一切 提交于 2020-08-05 15:26:22
问题 TL;DR Form submits a POST request with "data/fileUpload". Server responds 200 and renders a new page. Goody. Try to upload a new file in the rendered page again. POST request is now "data/fileUpload/fileUpload". Server doesn't know what to do. Baddy. I am not exactly sure what is going on, that's why the title is very vague. I am implementing a simple feature to a Node (Express) application. Here is what this feature does: User uploads a file. User submits the file for review. User receives a

Express res.download()

由 元气小坏坏 提交于 2020-08-05 09:29:48
问题 I don't know why it's happening, but it's really annoying. I expected the file to be downloaded according to the express docs. I have the next code: //in react (App.js) download = () => { const { images, target } = this.state; const filename = images.find(img => img.id === target).filename; fetch('http://localhost:3001/download', { method: 'post', headers: {'Content-Type': 'application/json'}, body: JSON.stringify({filename}) }) } //in express (server.js) app.post('/download', (req, res) => {

package.json must be actual JSON, not just JavaScript

由 ε祈祈猫儿з 提交于 2020-08-02 06:05:30
问题 I used http://jsonlint.com/ to check the syntax for this package.json file { "name": "hello-world", "description": "hello world test app", "version": "0.0.1", "private": true, "dependencies": { "express": “4.6.1" } } it returns the error Parse error on line 7: ... "express": “4.6.1" }} ----------------------^ Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '[' not sure what is wrong with this. terminal is throwing the error for using npm install "Failed to parse package.json data.
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