python – How do I merge two dictionaries in a single expression?

How can I merge two Python dictionaries in a single expression? For dictionaries x and ytheir shallowly-merged dictionary z takes values ​​from yreplacing those from x. In Python 3.9.0 or greater (released 17 October 2020, PEP-584discussed here): z = x | y In Python 3.5 or greater: z = {**x, **y} In Python 2, (or … Read more

java – how to create JTables with POJOs with a composite key with a single table model

I’m trying to implement the use of reflection and annotations, just like the solution suggested by ardayigit on how to create a JTable with POJOs with a single table model, but the problem comes with the first field of Person, which is a two-field composite key of type PersonId. Here is the extract for creating … Read more

javascript – in nodejs+express how to prevent socket.io from returning all multiple added chat messages twice? and only return the single added message once

[I am trying to make a littlechat with socket.io + node express, the problem is that when emitting the socket it returns in the browser not only the message that I have added, but all the previous ones, so that in the browser view I only have correct messages added i have to refresh the … Read more

python – i keep getting group single has no attribute rect error

im trying to make a camera for my character and i keep getting this when i run the code import collections import pygame from camera import * from settings import tile_size from support import import_csv_layout, import_cut_graphics from tiles import Tile , StaticTile from player import Player class Level: def init(self,level_data,surface): self.display_surface = surface self.world_shift = … Read more

macos – Issues with running spark-submit on a local machine with Apache Spark (stand alone, single node)

I’ve installed apache spark on my mac with 16 GB of RAM to test my pyspark code locally with small data sets before I test it on a real cluster. I’ve installed apache spark via brew and use spark-submit to run my pyspark code locally. It works, except sometimes I get a strange generic error … Read more

javascript – variable value from one div tag to another in single html page

<!doctype html> <html lang=”en”> <head> <!– Required meta tags –> <meta charset=”utf-8″> <meta name=”viewport” content=”width=device-width, initial-scale=1, shrink-to-fit=no”> <!– Bootstrap CSS –> <link rel=”stylesheet” href=”https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css” integrity=”sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T” crossorigin=”anonymous”> <link rel=”stylesheet” href=”https://unpkg.com/leaflet@1.5.1/dist/leaflet.css” integrity=”sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ==” crossorigin=”” /> <link rel=”stylesheet” href=”stylesheet.css”> <!– Load jQuery and PapaParse to read data from a CSV file –> <script src=”https://code.jquery.com/jquery-3.5.1.min.js”></script> <script src=”https://cdn.jsdelivr.net/npm/papaparse@5.3.0/papaparse.min.js”></script> <title>Flood Data</title> <!–Load … Read more

Error in creating multiple NSGs using single terraform module

I have created a terraform module for creating multiple NSGs. I am getting the below error while implementing it. main.tf data “azurerm_resource_group” “rg” { name = var.resource_group_name } resource “azurerm_network_security_group” “nsg” { for_each = var.nsgs name = each.key resource_group_name = data.azurerm_resource_group.rg.name location = data.azurerm_resource_group.rg.location } resource “azurerm_network_security_rule” “custom_rules” { for_each = local.custom_rules name = each.value.name … Read more