I want to update a document in the firebase flutter application. but that document might not exist in the database, first I want to search for the document using one of its fields, and if a document is found I…
i have a little problem. i have a contact-form and want to update my database with a crud. My Contact-Form: <!-- UPDATE --> <div class="page-wrapper bg-gra-01 p-t-180 p-b-100 font-poppins"> <div class="container"> <?php if(isset($_GET['edit'])): $result = $crud->getMember($_GET['edit']); ?> <hr /> <div…
I can't delete a category because it is a foreign key in the items table. How can I do it? How can I make a deletion in category and make $category_id null in the items table? I tried making a…
Here is the code import os import redis import flask import json import urllib.parse from flask import Flask, Response, request, render_template, abort from flask_cors import CORS, cross_origin #from flask.ext.cors import CORS, cross_origin app = Flask(__name__) app.config['CORS_HEADERS'] = 'Content-Type' redis_handle =…
How can I find only the "hotels" property? Data in MongoDB- [ { "picture": "https://d.bcb.ic/dKkqr2da/lalkhal.jpg", "name": "Lalakhal", "about": "Lalakhal is....", "latitude": 25.1048, "longitude": 92.1770, "hotels": [{}, {}, {}] }, { "picture": "https://d.bcb.ic/dKkqr2da/lalkhal.jpg", "name": "Lalakhal", "about": "Lalakhal is....", "latitude": 25.1048, "longitude":…
I`m new to laravel and i try to do a crud tutorial but donesn t work the update method. This is the controller public function update(UserRequest $request, User $user) { $avatar = $user->avatar; if(Request::file('avatar')){ Storage::delete('public/'. $user->avatar); $avatar = Request::file('avatar')->store('users', 'public');…
I hope this is the right place to discuss the CRUD issues. So I'm building a MERN e-commerce app, where I created the mongoose schema and connected with MongoDB to store the products & users. To test my schema and…
I have this core data issue: *** -[NSKeyedUnarchiver decodeObjectForKey:]: value for key (id) is not an object. This will become an error in the future. First I would like to describe what I am trying to do: I perform a…
I am trying to take user input and then add a drug(medicine) to MongoDB. But it is not working and I am getting the error "Add proper parameter first". The user input should be patient name, drug name, dosage, frequency,…
I am currently trying to implement an update / put functionality in my node.js-project and having issues I have absolutely no clue, where that comes from. (also I am a JS beginner). I am using express, MongoDB and mongoose. Problem…