Categories
Mastering Development

How to fix “the trait Factory is not implemented for {function}” error in actix_web?

I have this simple code: use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder}; use serde::{Deserialize, Serialize}; use serde_json::{json}; use validator::{Validate, ValidationError}; #[derive(Deserialize, Serialize, Validate)] struct Auth { #[validate(length(min = 4))] username: String, password: String, } #[post("/auth")] async fn auth(form: web::Json<Auth>) -> Result<serde_json::Value, ValidationError> { Ok(json!{ "success" }) } This keeps giving me this error: error[E0277]: […]

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Mastering Development

“PUT” method blocked by cors policy no ‘access-control-allow-origin’ header is present on the requested resource

I am using an Angular (10) application to access a Java (1.7) application via REST api. Everything works as expected. There are a number of GET and POST method calls that work fine. Problem I added a PUT method. Now when the Angular application calls the PUT method, it gets the following error: method blocked […]

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Database Development

UTL_HTTP call inside trigger leads to ORA-06502 when inserting from select

In order to allow a developer to make a SOAP call from an Oracle 11gR1 (11.1.0.7 PSU 24) instance using UTL_HTTP. He created a stored procedure : CREATE OR REPLACE PROCEDURE CALL_WS (URL IN VARCHAR2, REQUEST IN VARCHAR2, RESPONSE OUT VARCHAR2, ERRLOG OUT VARCHAR2) IS L_HTTP_REQ UTL_HTTP.REQ; L_HTTP_RESP UTL_HTTP.RESP; L_HTTP_URL_V VARCHAR2 (32767); IP_INPUTDATA_V VARCHAR2 (32767); […]

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Mastering Development

Why is Cors getting an error in React-admin? [duplicate]

I connected the admin panel in the client import React from "react" import { Admin, Resource } from "react-admin" import restProvider from ‘ra-data-simple-rest’ import PostList from "./PostList"; const AdminPage = () => { return ( <Admin dataProvider={restProvider(‘http://192.168.88.83:3001′)} > <Resource name=’blogs’ list={PostList} /> </Admin> ); } export default AdminPage but the console shows an error admin#/blogs:1 […]

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Mastering Development

How Do You Fix SocketIO Session Data Missing In Express Route Handler?

I’m trying to share session data between Express and SocketIO on a nodejs server. I researched online the came across how to implement it at https://socket.io/docs/v3/faq/#Usage-with-express-session NOTE: FRONT-END AND BACK-END CODE AT BOTTOM Anytime I visit the homepage at http://localhost:5000 the socket is successfully connected and session contains myData value that is set in socketio […]

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Mastering Development

Azure Functions and DataLake gen 2 connection

I am having the following issue with Azure Functions and Azure DataLake Gen2 connection: Running the function locally everything works fine. It connects to the datalake, gets the input file, processes some logic and then upload the modified file to a new location within the datalake. See the integration overview below: __init__.py import logging import […]

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Mastering Development

HTTP 405 error when ajax function calls php script

I am trying to call the php script with the help of AJAX and send some values acquired from an html form. My code: function submit(a,b,c,d,e){ console.log(a+" "+b+" "+c+" "+d+" "+e) //shows the values correctly $.ajax({ type : "POST", //type of method url : "script.php", //your page data : { a:a, b:b, c:c, d:d, e:e […]

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Mastering Development

Laravel 6 Error – Undefined property: App\Http\Controllers\GetContentController::$request

I am trying to send form data including files (if any) without form tag via Ajax request. However, I am getting the following error message Undefined property: App\Http\Controllers\GetContentController::$request Here are my codes Controller public function GetContentController($params){ $CandidateFullName = $this->request->CandidateFullName; $CandidateLocation=$this->request->CandidateLocation; //inserted into database after validation and a json object is sent back Web.php Route::match([‘get’, ‘post’], […]

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Mastering Development System & Network

Generate keys for nginx, with only a public key

I have an Elasticsearch endpoint as a service (I have no access to config/server). The service provided me with a username and password, and a single "TLS certificate" file, which when decoded says that it is RSA Public-Key: (2048 bit) I am running nginx and want to use it as a reverse proxy for this […]

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Mastering Development System & Network

Nginx as a chain proxy with stunnel+pproxy+tor for add|set http headers responds with 400 status code

My initial goal is creating working http(ssl) proxy based on TOR socks5 connection first I up python-proxy with self-signed key then chained stunnel for securing connection, it works but cannot handle wss connection and seems like needs this headers patch ‘Access-Control-Allow-Origin’ ‘*’ … I didn’t find info how to do that using stunnel config, so […]