ninety-nine | 99 Problems in Java , Scala , Clojure and Haskell | Functional Programming library
kandi X-RAY | ninety-nine Summary
kandi X-RAY | ninety-nine Summary
My take on Ninety-Nine Problems in Java, Scala, Clojure and Haskell. Based on the original Prolog problem list by Werner Hett:
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Top functions reviewed by kandi - BETA
- 1 - > n
- Drops an element at index i
- Remove at a specified index
- 1 - > F1
- Returns a new list that replicates the specified element
- 1 - > 1
- N1 - 1
- Answer a list based on a list
- Create an iterator over a list of elements
- Implementation of f3 - > f3
- Index 5
- 2 - > n
- N - > F4 - > n
- Finds the first element of the list
- Generate a random solution
- Filtered list by index
- Returns a string representation of this collection
- Fast - > f5
- F1 - 1 F1 - > F1
- 1 2
- Iterator - > iterate
- N - 1
ninety-nine Key Features
ninety-nine Examples and Code Snippets
Community Discussions
Trending Discussions on ninety-nine
QUESTION
I'm trying to complete problem 8 of the Haskell Ninety-Nine problems however I'm having issues understanding why the list result of my function is ordered wrong.
The aim of the compress
function is to eliminate any duplicate letters from the input list and output another list that contains the unique letters in the order in which they first appear in the input list.
Here is my code for the compress function:
ANSWER
Answered 2022-Feb-04 at 18:29The foldr
function starts with an initial value (of the type b
) and a Foldable
container t
. For 'each' a
value in the container, it calls the function (a -> b -> b)
with the a
value and the 'current' b
value.
QUESTION
I am trying to decode a specific list with two different elements, either e.g. [4, a] or just b
I expect decode([[4,a],b,[2,c],[2,a],d,[4,e]], X).
to result into X=[a,a,a,a,b,c,c,a,a,d,e,e,e,e]
.
with
...ANSWER
Answered 2021-Aug-09 at 12:48QUESTION
Just to summarise, I'm creating a quote-generator using React js. The data is getting fetched from a mock API using React axios.
However, when I'm trying to display the quote it gives me that above error
line where I get error: {quotes[quoteIndex].quote}
(quotes) gets populated with the data (quoteIndex) is basically an index in an array (.quote) is the attribute from the data
Please find the relevant code
...ANSWER
Answered 2021-Aug-09 at 20:57This is a very common problem when dealing with data that is loaded asynchronously.
Here's how I would suggest debugging this to understand your problem:
Remove the offending code so that you can observe what's happening.
Add
console.log(quotes)
in your component. You will see that it logs[]
and then again with your array.Next add
console.log(quotes[quoteIndex])
. Notice that it logsundefined
and then an object.
Consider that while the value is undefined
, you cannot treat it like an object and attempt to access properties on it.
- Add a check to make sure the value is an object before using it:
QUESTION
I'm new in Dart and flutter.
I want to convert a number to text. How can implement this?
...ANSWER
Answered 2021-Apr-27 at 17:17just use this package
install it
QUESTION
I am a newbie to php and I would like to create php search apps.
My Follow code
...ANSWER
Answered 2021-Jan-14 at 13:43Assuming that all the files are in the same directory, you can do something like this:
QUESTION
This stems from the kata (challenge) parseInt (reloaded). In theory, "nine hundred ninety-nine thousand nine hundred and ninety-nine" returns 999999—this is working now, but shorter cases like "two thousand" now fail. Note that I was trying recursion but now have resorted to iteration.
The IssueThe conditions for adding or multiplying to the result or the case with one number and multiple powers, e.g. "nine hundred thousand" in "one million nine hundred thousand" is poorly defined.
The Code ...ANSWER
Answered 2020-Dec-02 at 16:45Through trial and error, I finished working on the parse_int()
function, so here is the result.
QUESTION
printf is printing my variables in the wrong order and newline isn't working. after iterating on various printf statements, it still doesn't working and i'm not quite sure what's wrong.
this is my current code:
...ANSWER
Answered 2020-Nov-06 at 12:36The first argument to printf
should contain the format string. Your particular format would be "%s\n\t~ %s\n"
:
- The first
%s
is the actual quote \n\t
a newline and a tab~ %s\n
a tilde, the author and a newline
Example:
QUESTION
I am importing a file the counts in words from one to ninety-nine. The goal is to read each line and return an integer value corresponding to the word in the file. However, I cannot seem to figure out why my code is only working for the first ten numbers/lines?
...ANSWER
Answered 2020-Feb-22 at 23:26Please change code like this:
QUESTION
I'm trying to automatically close the modal after submitting the data to Mailchimp. But that's where the above issue occurs. I tried several existing solutions here, but they didn't seem to fix the issue. I have firing bootstrap events but still no use. I have pasted below the modal with the mailchimp api code (I've hidden some parts for privacy concerns) with the external bootstrap and jquery links. Please help.
...ANSWER
Answered 2020-Jan-12 at 16:12Instead of
$('#newsletter').modal('hide');
I think you need
$('#newsletter.modal').hide();
Or even just
$('#newsletter').hide();
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ninety-nine
You can use ninety-nine like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the ninety-nine component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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