I want to write on sdcard (External sdcard) on android +6. When I use this runtime permission: <uses-permission android:name="android.permission.WRITE_EXTE
I have a problem with filtering fields(objects) from my document using find function. Here is my db.collection.find(..) document: { "_id": BinData(3, "Uz+Qwto
I am trying to create a simple cache just using a variable and I don't know how to add to it without completely overriding it each time. Here is a snippet: pack
I'm trying to do a subquery. For some purposes (i have to manipulate data with the js library DataTables), i need to put a subquery in my query. But when i try
How to wrap a text around a centered (round) image like this: I tried this jsfiddle but the text goes behind the image and does not flow around it. #cir
I have written this code to demonstrate Binary Semaphore using only atomic . 1 thread producer will push 100 elements in the queue initially. later threads 2 an
I want to check that the ListBox element has a specific type to assign a visual style to, but the constant check fails. Maybe I'm doing it wrong? Problem with t
Running this code: import * as dotenv from "dotenv"; dotenv.config(); import { Connection, Keypair } from "@solana/web3.js"; import { Client, Exchange, Netw
I am using Reactjs and Firestore. I have this collection of products: The colorMap is a map then below it are the different colors and their quanty. Now, I wan