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Quick question.
I have been reading up on using forms in LiveView. I come across the error_tag/2 function often (for example in this 202...
New
apparently “7 -1” is compiled the same as “7 - 1” but “@something -1” generates an error message from the compiler. Module B shows the er...
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I want to show a localized error message when a postgres database constraint for a relationship is violated (especially, during the destr...
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Postgres is complaining that I am inserting invalid UTF8 into a text type:
(Postgrex.Error) ERROR 22021 (character_not_in_repertoire) in...
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(Please note: Elixir Experience Level: Beginner)
** (ArgumentError) argument error
(stdlib) :ets.lookup_element(:hackney_config, :m...
New
Given:
data =
[nil, nil, nil, "DG2xFkPdDwKUoBkzGAhQtLpSGzfXLiCYPEzeKH2Ad24p", nil]
iex(17)> :maps.filter(data, & !is_nil(&1...
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Im having a problem here… as the title suggest, my error_tag isnt working, its simply not showing the error message:
new.html.eex
<%...
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Background
We have an app the keeps running. This is a OTP application that has other OTP applications as dependencies. It uses GenServer...
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Hi all, I have the following simple snippet but I got cyclic module usage error. Do you know how should I resolve the error?
defmodule C...
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What happens: User opens LiveView page and clicks a button. LiveView handle_event calls a function that crashes. LiveView restarts. User ...
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I was trying out a pattern I haven’t tried before: sending a message from a regular API controller to a LiveView process.
See code below...
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This error cropped up after successfully polling an API nine times. What is it trying to communicate? Why did it come up after so many su...
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I’m running into the following errors, going through the Ecto getting started docs.
Calling
person = %Friends.Person{}
changeset = Fri...
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results =
[
{%{
asset: "3QvxP6YFBKpWJSMAfYtL8Niv8KmmKsnpb9uQwQpg8QN2",
price: 0.10878614,
priced_in: "WAVES",
valu...
New
When we try to evaluate an Elixir code m = %{}; m.foo = 1 on IEx, it emits the following error message :
** (CompileError) iex:1: cannot...
New
It’s my first question here. Actually I’m doing a Pento project through Programming Phoenix LiveView book. I’m getting this error
[error...
New
How to debug, in general, an error stack like this one (bellow) ?
It’s mixed with errors coming from the Erlang dependencies. Notice it ...
New
Hello everybody,
When I look at what an error looks like in a Changeset, it’s something like this:
[username: {"should be at most %{cou...
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