backend

问题 Django is synchronous or asynchronous? I want to know that the Django Framework is Synchronous or Asynchronous. I have heard about the interview problems they ask about the framework you are using is synchronous or asynchronous. So I want to know the meaning of Synchronous and Asynchronous in terms of web development. 回答1: Django itself is synchronous. each HTTP request will be handled completely synchronously. However you have extensions like django-channels ( https://github.com/django

问题 Closed. This question needs debugging details. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 19 hours ago . Improve this question I have the code below. When I try to run access post elements with these lines $tempskill = ($_POST['skill']); $temptopic = ($_POST['topic']); I get an error because it is not able to access the chosen skill or topic element from drop down. The goal was to allow a user to select

问题 Can anyone let me know, how can i add / set filter by company name in woo-commerce order page. and please share functions or show my error so i can solved it. i tried it but not working. you help is much appreciated. add_action( 'restrict_manage_posts', 'admin_shop_order_by_product_type_filter' ); function admin_shop_order_by_product_type_filter(){ global $pagenow, $post_type; if( 'shop_order' === $post_type && 'edit.php' === $pagenow ) { $domain = 'woocommerce'; $filter_id = 'filter_billing

问题 I am trying to connect to a PostgreSQL Database that I've set up in Heroku. const { Sequelize, DataTypes, Model } = require("sequelize"); // DB Configuration const sequelize = new Sequelize({ database: "[wont'd show db]", username: "[won't show username]", password: "[won't show password]", host: "ec2-54-221-195-148.compute-1.amazonaws.com", port: 5432, dialect: "postgres", dialectOptions: { ssl: true, }, }); And this is what I am getting as the output: SequelizeConnectionError: self signed

问题 I am trying to connect to a PostgreSQL Database that I've set up in Heroku. const { Sequelize, DataTypes, Model } = require("sequelize"); // DB Configuration const sequelize = new Sequelize({ database: "[wont'd show db]", username: "[won't show username]", password: "[won't show password]", host: "ec2-54-221-195-148.compute-1.amazonaws.com", port: 5432, dialect: "postgres", dialectOptions: { ssl: true, }, }); And this is what I am getting as the output: SequelizeConnectionError: self signed

问题 PHP Superglobals behave in different ways and I'm never sure about which one to use. When can the client (I'm not talking about hackers or security attacks, but " normal users ") edit, create or access a Superglobal variable? Even php.net documentation does not talk about this fact. Basing on what I've learnt so far I can summarize them in this way: superglobal read create edit $_GET V V V $_POST X V X $_FILES X V X $_SESSION ? X X $_COOKIE V V V I'm not talking about your PHP script which

问题 PHP Superglobals behave in different ways and I'm never sure about which one to use. When can the client (I'm not talking about hackers or security attacks, but " normal users ") edit, create or access a Superglobal variable? Even php.net documentation does not talk about this fact. Basing on what I've learnt so far I can summarize them in this way: superglobal read create edit $_GET V V V $_POST X V X $_FILES X V X $_SESSION ? X X $_COOKIE V V V I'm not talking about your PHP script which

问题 I want to delete a resume from list of resumes in my schema. I'm using mongoose(5.9.7) and express js. Schema const ResumeSchema = new Schema({ user: { type: Schema.Types.ObjectId, ref: "User" }, fileLink: { type: String, required: true }, fileName: { type: String, required: true }, description: { type: String, required: true } }); module.exports = Resume = mongoose.model("Resume", ResumeSchema); I have a route to fetch all the resumes. I'm creating a ref of resume in my ProfileSchema as well

问题 I want to delete a resume from list of resumes in my schema. I'm using mongoose(5.9.7) and express js. Schema const ResumeSchema = new Schema({ user: { type: Schema.Types.ObjectId, ref: "User" }, fileLink: { type: String, required: true }, fileName: { type: String, required: true }, description: { type: String, required: true } }); module.exports = Resume = mongoose.model("Resume", ResumeSchema); I have a route to fetch all the resumes. I'm creating a ref of resume in my ProfileSchema as well

问题 The python2 script was executed by the system daemon process(such like SaltStack, the process user is Administrator), the script worked well and saved the screenshot picture while I was connected and login the server, but it will raise Error without someone has been login. import pyscreenshot getPic = pyscreenshot.grab(bbox=(0, 0, 1920, 1080)) ## line 43 # getPic = pyscreenshot.grab() ## work as same as before line getPic.save('screenshot.png') Error info: Traceback (most recent call last):