SolarSystem | complete secure access control and alarm panel system
kandi X-RAY | SolarSystem Summary
kandi X-RAY | SolarSystem Summary
Modular access control and alarm system.
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QUESTION
I'm trying out scala.js with zio using the sample app at https://github.com/wongelz/zio-scalajs-solarsystem
as soon as I update the sbt version from 1.2.8 to 1.3.13 or 1.4.4 I'm getting the following error:
...ANSWER
Answered 2020-Dec-13 at 12:12To answer my own question (for anybody strugling with the same problem):
Make sure you don't have scalajs-java-time (1.0.0) as a dependency in your classpath.
It is a incomplete library and if it is picked before scala-java-time you will receive the error posted in the question.
The reason this error occurred, was, that at least on my system, the ordering of the classpath changed from sbt 1.2.8 to sbt 1.3.x, which resulted in the scalajs-java-time library being picked before scala-java-time which resulted in the
QUESTION
I have an unusual problem.
I am making an AJAX request to my backend API.
The API is simple and just returns an array of objects like this....
API:
...ANSWER
Answered 2020-Aug-03 at 19:02Looks like your Map function is not mapping the galaxy object.
You can try see if Galaxy object is being populate removing it from Ok function and given it to a variable, after that you must place a breakpoint and see if the object is null or not, example:
QUESTION
I may be thinking about this the wrong way but I want to ignore any case other than the Some case. Here is some sample code that I'm using | _ -> ignore but that seems wrong. Is there a better or more idiomatic way to do this? I'm converting some OOP C# code to F# and might be coming at it wrong.
ANSWER
Answered 2020-Jul-24 at 10:17It looks like you're inside an async computation expression that returns Async. So you should replace ignore with return () (where () is the unit value) so that all branches return the same type:
QUESTION
I am new to C#, for a school assignment we need to create a C# class that represents a solar system, I have a class of
...ANSWER
Answered 2020-Jun-27 at 22:55I have no idea on earth (pun intended) what all of those classes share in common. But whatever those are, may they be physical attributes would belong in some shared interface. The purpose would be to have shared method(s) that could be invoked. Remember an interface cannot have fields only public methods, expecting an implementation. For sake of simplicity, here's get and set.
QUESTION
I have a problem in understanding below code how heavenlyBody.addSatellite(satellites ); is added into HashMap ?
when HeavenlyBody planet1 = solarSystem.get("Mars"); is called the planet1.getSatellites() returns Phobos and Deimos satellites for planet Mars and satellite Moon for plant Earth.
My question is how Phobos and Deimos are added to Mars key in solarSystem HashMap ?
...ANSWER
Answered 2020-Apr-29 at 19:44In solarSystem.put(heavenlyBody.getName(), heavenlyBody); key Mars is put into hash map with value heavenlyBody. So the value references the object related to Mars.
In
QUESTION
I have some conceptual doubts, sorry if they're simple but I'm stuck.
In a simulation of the formation of a galaxy I have a class called SolarSystem.
ANSWER
Answered 2020-Apr-04 at 18:12Classes allow you to structure your data in meaningfull way, improving extensibility, maintainability and making your code easier to understand. If your main problem is to access systems from a class, you could just pass it as parameter. In modern C++ you should use std::vector or std::array instead of C-style-arrays. For example:
QUESTION
import './App.css';
import SolarSystem from './components/solarSystem/solarSystem';
class App extends React.Component {
componentDidMount(){
console.log("mounting");
}
componentDidUpdate(){
console.log("updating");
}
//const [SSVisibility, setSSVisibility] = useState(true);
render(){
console.log("rendering app");
return (
ssssssssssssssssssssssssssssssss
{/* */}
);
}
}
export default App;
ANSWER
Answered 2020-Mar-28 at 09:32It is because of strict mode, code below doesn't demonstrate it because SO will build it with production set true (I think).
QUESTION
I created multiple classes and part of what I want to do is create a solar system and allow users to input information about planets and continuously add them to an array list, and when they are done adding planets, displays a summary of their solar system. I wanted to display which planet, based on the orbital radius they inputted, is closest to the sun. So to make this easier I decided to create an addPlanet() method that will scan through an array list and add the new planet in the correct order depending on the orbital radius.
...ANSWER
Answered 2020-Jan-23 at 02:24looking at the logic in the add planet
the first thing, which was mentioned before, is your for loop is prone to an IndexOutOfBoundsException, so first change the <= to a < like below, the reason for this, size() returns the amount of objects in the array, but the index starts from 0, so for an array of 3 objects, the max index would only be 2.
when you're adding the new planet, your if statement limits additional planets to only add the planet if it has a smaller orbital, if it has a larger orbital than all other planets it will never get added, I can see why you've done it this way, and that's to add the planet in into the array to keep them in size order, but you need to account for adding if it's larger too.
To do this I'd suggest the following, remove the break from the if, and replace this with a return (if it adds a planet, the method no longer has any reason to run), and after the for loop, put in an addPlanet call, which will add it at the end should the method still be running. See modified code below, I hope this helps.
QUESTION
With the following line of code, I can extract a list-like line with beautifulsoup
Code:
...ANSWER
Answered 2020-Jan-13 at 22:43You can use json.loads
QUESTION
I'm a novice coder and I'm building my first proper website. I have a column of button links down the right hand side of my page. However, they're only visible if the window is full-screen. If I use my mouse to shrink the size of the window, the buttons disappear. Is there any way that I can make the buttons stay visible if the window changes size?
Here's the HTML code:
...ANSWER
Answered 2017-Nov-07 at 14:29I think the reason is your margin-left property, simply, the window is not enough to display these many pixels. better set:
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