aREST | A RESTful environment for Arduino
kandi X-RAY | aREST Summary
kandi X-RAY | aREST Summary
A simple library that implements a REST API for Arduino & the ESP8266 WiFi chip. It is designed to be universal and currently supports REST calls via HTTP (using the CC3000 WiFi chip, the Arduino WiFi library or the Ethernet shield), via the Serial port (using the USB serial connection, Bluetooth, and XBee) and also via Bluetooth Low Energy. The library is also compatible with the Arduino MKR1000 board. It also works with the ESP8266 WiFi chip using the ESP8266 processor, therefore working as an independent unit. It also works on the ESP32 WiFi chip. Boards running aREST can also be accessed from anywhere in the world via an API available at cloud.arest.io. Check the rest of this file and the examples ending with _cloud for more details. This currently only works with the Ethernet library for Arduino & the ESP8266 WiFi chip. If you want to know more about aREST, go over to
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QUESTION
I am currently working on a small program for a school project, but can't seem to find a solution at all.
I have been working on a windows forms with a label that displays a text. Then there are two buttons. If you a any of these buttons are clicked, the other is hidden and the text of the button that has been clicked changes.
Now I want to check if the text of any of these buttons has been changed and upon a second click on the now changed button close the application. Below is what I have so far.
...ANSWER
Answered 2020-Apr-26 at 12:42There are few ways of doing this easily. One way is just have a global boolean value that shifts when I button is clicked. If your boolean is named boolean endProgram = false
, then your if statement would look like this:
QUESTION
I am a prolog beginner, have the following code which spits out all possible paths from one given node to another. Each edge is bi-directional in nature which is something to take note of.
...ANSWER
Answered 2020-Jan-09 at 13:11Generally, in Prolog, you wouldn't want to use write
and a failure driven loop to show all of the solutions. A canonical approach is to have a predicate that succeeds for each solution (as your path/5
predicate does), and then use findall/3
or bagof/3
or setof/3
to collect all of the solutions in a list. setof/3
has the benefit of eliminating duplicates and ordering the resulting collection.
Here's a stackoverflow search on [prolog] shortest path directed graph. This has been covered so many times on this site, I didn't want to just pick one of them. I didn't see one that uses setof/3
, so here is a solution taking that approach.
I'll use your existing definition of path/5
. Since the collection of paths is unique by design, using setof/3
will be a small improvement over the use of findall/3
followed by msort/2
, which you'll find in at least one of the linked solutions. The idea here is to create a list of solutions of the form Cost-Path
, that are ordered by Cost
. You then need to pick the lowest cost from the list, which is the first element since they are ordered.
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