I'm trying to learn ruby on rails from the official website guide, and I copy paste almost all code but some seems not working. like this on for exemple, I get
I have a FITS file whose primary HDU data array is 3000x3000. For context, each pixel measures the flux of a star recorded by a CCD in ADUs (analog-to-digital u
We are using apache PDFBox opensource library to convert PDF to Image but it's failing to render German Umlauts – ä, ö, ü characters when t
Why doesn't my timer expire after 1 second but waits for 10 seconds? #include <boost/asio.hpp> #include <boost/bind.hpp> #include <iostream>
When I write the following line of code it seems to have no problems, but I understand that getExternalStoragePublicDirectory is deprecated since Android 10: Fi
I have a CMake script where the final executable is linked with my own linker script: cmake_minimum_required(VERSION 3.1) project(test_app) set(LINKER_SCRIPT
I want to select an option in this dropdown list. <select id="2a08e407-30aa-4c0f-9786-d94246cc524c" name="hours"> <option value="00">00</option
int count(n){ if(n==1) return 1; if(n%2==0) return 1+count(n/2); else return Math.min(1+count(n+1),1+count(n-1)); } can you please explain how do I co
Im trying to get the status code of a website and display it to the user. My code is : override func viewDidLoad() { super.viewDidLoad() let dat
I have a form where the fields can be edited after submitted. For each "operation" on my table that displays all objects inside an array of operations (I call i