parser-combinators | A parser combinator library for Elm | Parser library
kandi X-RAY | parser-combinators Summary
kandi X-RAY | parser-combinators Summary
Note: This package only works with Elm 0.18 and lower. See elm/parser for related functions in 0.19 and higher.
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Trending Discussions on parser-combinators
QUESTION
In my application config i have defined the following properties:
...ANSWER
Answered 2022-Feb-16 at 13:12Acording to this answer: https://stackoverflow.com/a/51236918/16651073 tomcat falls back to default logging if it can resolve the location
Can you try to save the properties without the spaces.
Like this:
logging.file.name=application.logs
QUESTION
I'm attempting to parse permutations of flags. The behavior I want is "one or more flags in any order, without repetition". I'm using the following packages:
- megaparsec
- parser-combinators
The code I have is outputting what I want, but is too lenient on inputs. I don't understand why it's accepting multiples of the same flags. What am I doing wrong here?
...ANSWER
Answered 2021-Dec-18 at 20:00Instead of toPermutation with optional, I believe you need to use toPermutationWithDefault, something like this (untested):
QUESTION
I have used this document for creating kafka https://kow3ns.github.io/kubernetes-kafka/manifests/
able to create zookeeper, facing issue with the creation of kafka.getting error to connect with the zookeeper.
this is the manifest i have used for creating for kafka:
https://kow3ns.github.io/kubernetes-kafka/manifests/kafka.yaml for Zookeeper
https://github.com/kow3ns/kubernetes-zookeeper/blob/master/manifests/zookeeper.yaml
The logs of the kafka
...ANSWER
Answered 2021-Oct-19 at 09:03Your Kafka and Zookeeper deployments are running in the kaf namespace according to your screenshots, presumably you have set this up manually and applied the configurations while in that namespace? Neither the Kafka or Zookeeper YAML files explicitly state a namespace in metadata, so will be deployed to the active namespace when created.
Anyway, the Kafka deployment YAML you have is hardcoded to assume Zookeeper is setup in the default namespace, with the following line:
QUESTION
My question is how do I access DownloadFiles.fileURLList property in sbt console (Scala REPL)?
I created a SBT Scala project and have this code at src/main/scala/DownloadFiles.scala
ANSWER
Answered 2021-Apr-02 at 13:10The first part of your code uses a variable called fileURLList. The second part of your code and your SBT command use imageURLList. imageURLList is never declared as a variable, therefore it is null. Find and replace your code from fileURLList to imageURLList and I bet it will do what you were expecting.
I am a little surprised you didn't get other errors though.
QUESTION
I am getting the following error when attempting to run sbt run to run my Scala code:
insecure HTTP request is unsupported 'http://repo.typesafe.com/typesafe/releases'; switch to HTTPS or opt-in as ("typesafe-releases" at "http://repo.typesafe.com/typesafe/releases").withAllowInsecureProtocol(true), or by using allowInsecureProtocol in repositories file
This is strange because it was working perfectly fine last week and I have changed nothing in the code. I have tried adding ("typesafe-releases" at "http://repo.typesafe.com/typesafe/releases").withAllowInsecureProtocol(true) in my build.sbt file and resolver file, installing Java11, deleting my project folder, and completely reclone my code from the repository but nothing is working. I am using Visual Studios but have also tried on IntelliJ and get the same error.
Any advice would be greatly appreciated, as I have changed nothing and now suddenly my code doesn't compile anymore. Further details:
sbt.version = 1.4.0
Scala code runner version 2.12.10
My current built.sbt (please note that I did not have the resolve part added before, when my code was working fine. It was added as an attempt to resolve the issue but did not work):
...ANSWER
Answered 2020-Nov-24 at 15:49As mentioned in repo.typesafe.com, you can add to your sbt:
QUESTION
I am having difficulty getting my Eclipse PDE plugin to work in a Windows environment. I have created an Eclipse PDE plugin that uses external jars. I was able to install the plugin to my Eclipse IDE on my MacBook (macOS Catalina 10.15), by right clicking on the project then Export>Deployable plugins and Fragments>Install into host repository>Finish. The pathway for the host repository is /Users/username/eclipse-workspace/.metadata/.plugins/org.eclipse.pde.core/install/. The attributes chosen in the Options category are shown in the photo below:
The plugin installs successfully and is able to run in my IDE upon button click.
When I repeat these steps in Windows 10, the plugin installs. I am able to click on a button to open my developed window, but when I click the "go" button which triggers my functions that rely on the external jars, nothing occurs. The button acts as though it is not connected to any function, despite the code being identical to what was used in Mac. Does anyone know why Eclipse is unable to access the necessary jars in Windows?
I have attached a screenshot of my build properties below. Note that the jars are held in a directory called "lib" which is at the same level as the /src directory in a eclipse plugin project.
...ANSWER
Answered 2020-Jul-30 at 20:33Update: the issue appeared to be with the windows computer I was using. The plugin installed as intended with this code on another windows machine.
QUESTION
The documentation for Text.Megaparsec.Char.Lexer.charLiteral suggests using char '"' *> manyTill charLiteral (char '"') for parsing string literals (where manyTill is defined in the module Control.Applicative.Combinators in the parser-combinators library).
However, Control.Applicative.Combinators also defines between, which -- as far as I can see -- should do the same as the above suggestion when used like so: between (char '"') (char '"') (many charLiteral).
However, using the between parser above does not work for parsing string literals -- failing with "unexpected end of input.
expecting '"' or literal character" (indicating that the ending quote is never detected). Why not?
Also, more generally, why isn't between pBegin pEnd (many p) equivalent to pBegin *> manyTill p pEnd?
ANSWER
Answered 2020-May-06 at 09:19between l r m doesn't do anything spectacular, it really just tries l then m then r and gives back the result of m. So, in between (char '"') (char '"') (many charLiteral), the many charLiteral doesn't know it's not supposed to consume the ". The many just keeps consuming whatever its argument parser accepts... which, because charLiteral just accepts anything, means it churns right through everything until the end of the input. The second char '"' has no way of stopping this, it just needs to make do with what's left... i.e., fail because there is nothing left!
By contrast, manyTill actually checks whether the “till”, matches, and only applies each iteration of the content parser when it doesn't. Therefore, the terminating " is not passed to charLiteral, and you get the desired behaviour.
QUESTION
is there any way to exclude dependencies used during test goal?
For example I would like to avoid having all *:tests jar printed by mvn dependency:tree.
ANSWER
Answered 2020-Apr-14 at 23:56You can add the scope like this:
QUESTION
I'm beginner in scala and looking at this tutorial : http://enear.github.io/2016/03/31/parser-combinators/
Event it is explained just below :
The ^^ operator acts as a map over the parse result. The regex "[a-zA-Z_][a-zA-Z0-9_]*".r is implicitly converted to an instance of Parser[String], on which we map a function (String => IDENTIFIER), thus returning a instance of Parser[IDENTIFIER].
I dont understand this code snippet :
...ANSWER
Answered 2020-Mar-23 at 11:24It defines the operation that needs to be performed when the left-hand side expression is evaluated.
For instance, we have some code like this:
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Install parser-combinators
Elm packages are available at elm-lang.org. If you are going to make HTTP requests, you may need elm/http and elm/json. You can get them set up in your project with the following commands: elm install elm/http and elm install elm/json. It adds these dependencies into your elm.json file, making these packages available in your project. Please refer guide.elm-lang.org for more information.
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