on Tech and Pantrynomics
Components run inside the LiveView process, but may have their own state and event handling. They are either stateless or stateful.
Unlike object-oriented programming languages, Elixir uses structs a lot. This requres a way to manipulate structs which is done by Enum and functions.
WITH Assuming a chain of conditions: `` m = %{a: 1, c: 3} a = with {:ok, number} <- Map.
Convert string to integer or float # returns tuple e.g. {123.45, ""} Integer.parse(n) Float.parse(n) # returns integer String.
Repo Repo has a limited number of queries. Return a single record, and raise an error if more than one record is returned Repo.
Elixir hd head hd(array-name) #returns the first element or head _ _whatever #tells Elixir that `whatever` can be null tuple {} map %{} Pipe Operator |> passes output of earlier function into the next function due to the functional or flowing nature of Elixir.
Live View is a Genserver that turns Elixir or Phoenix into a Websocket Server. This eliminates the need for Javascript frameworks like React or Vue.
Heroku 1 – On Heroku Dashboard, create an app named socrates 2 – On Heroku Dashboard, Go to Settings -> Buildpacks then add
One of the early mistakes that we made as a startup was to use one system on one server for both web app and website.
Here are some free online tools that we use to develop our own app and websites.
In order to keep the Pantry system resilient, it does not use image hosting which would increase the system’s cost and reduce maintainability.
Last week, we were invited to join the SIS Online Hackathon, wherein the organizers were looking for a tech solution for B2B cash management.
