RandomSong | Get Introduced to New Music | REST library
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QUESTION
I made some HTML code a function so that when a button is clicked it runs randomSong()
which is supposed to run a random song right now it runs this:
ANSWER
Answered 2020-Nov-16 at 00:45I tried your demo it says y is not defined
because when you try to access to the outer scope of y
.
you can try like so:
QUESTION
I've created an interface called 'ServerData', which holds one object - song data that I request from the Musixmatch API. I would like to fetch a song with Axios and then place it initialState, but as I'm new to interfaces, I'm not sure how to manipulate my response so that it can fit the ServerData interface.
When I hover over the error, it says:
Type '{ randomSong: object; }' is not assignable to type 'never'
In case it's relevant, before I added TypeScript to the project the Axios fetch was working fine, my frontend was able to get the song data, only then I wasn't using interfaces so there was no issue.
...ANSWER
Answered 2020-Nov-10 at 08:01Based on the error message that you are receiving, the problem isn't the type of the axios response -- it's the type of setInitialState
. It's telling you that setInitialState
can only accept an empty array (never[]
).
I'm guessing setInitialState
is coming from a useState
hook? You don't always need to set the generic when calling useState
because some times it can be properly inferred from the initial value, but in this case you do. Typescript can't possibly know what type are elements are allowed to be included in an array when the initial array is empty. You have to tell it.
Change your useState
call to include the generic like this:
QUESTION
I'm making a discord.js bot that has commands that can have different parameters, such as mc!start vanilla, mc!start tekkit. Only singular string entries are allowed, as that's what I made it to do. But, if the user does not input a parameter, and just does mc!start, I want it to say that you cannot leave the parameter blank, but when I input only mc!start, the script gives me the "TypeError: Cannot read property 'toLowerCase' of undefined" error. I've been trying to do assignment functions and other things like that, but no cigar. Here is a splice of the code.
...ANSWER
Answered 2020-Aug-23 at 15:10Check whether the array element is set before trying to call methods of it.
QUESTION
I'm having trouble passing data from a Django model to a a Django template. The code below works, but I'm it seems clunky and I'm a bit confused by why it works. I'm trying to read a random entry from my database for each one of my models. I then want to print the data from each model on my home template. I thought I could add each model to a single dictionary, then iterate through the dictionary of dictionaries in my template, but that didn't work ( I know the models have different fields, but I was planning on working around that later). I played around with it for a while, and realized that my for loops weren't actually iterating through the dictionary of dictionaries, but was actually just reading each individual entry in the dictionary through its key. Additionally, it doesn't seem like the for loops are doing any iterating, since I can access the fields of my model directly with the .field notation. This seems to be the only method that works but I'm still not entirely sure why. Could anyone clarify why this works, or let me know if there is a more straightforward way of reading the dictionary? Here is the function that renders the template:
...ANSWER
Answered 2020-Jun-30 at 20:22It works because you are filtering and retrieving .values()
, which sort of means it's returning a queryset of probably 1.
In other words {% for song in ent %}
is equivalent to for song in ent_queryset
.
If you changed the filter to retrieve multiple songs/albums, you would see more than one song/album show up.
If you just want to retrieve one song/album, then you would need to do something like:
QUESTION
I've created a ListView (myList). By pressing on one of the items on the ListView, the app is supposed to direct the user to the PlaySongActivity page. I used a searchById function to try to match the ID of the song and the song in my database.( get ID of the song and match the song ID in database to play the same song) However, my teacher told me I am searching by the ID of the ListView, not the song.
So is there any way I can either search by the song title or possibly add an ID to each item in the ListView?
I'm a beginner in coding and have searched for hours and found no solution on the internet :(
...ANSWER
Answered 2019-Aug-02 at 07:55 String resourceId = AppUtil.getResourceId(SearchSong.this, myList);
Song selectedSong = mySongCollection.searchById(resourceId);
QUESTION
I'm making a quiz. The user has 3 tries to guess the answer to the question.
My problem is that the scoring system isn't working properly. If the user guesses the answer the first time it adds 3 points, which works. However, the program adds 0 points if the user guesses the second time when it's supposed to add 1 point.
I've tried asking people around me and swapping the if statements, so that the possibility of the program assuming the score is lost.
...ANSWER
Answered 2019-Jan-21 at 12:47This line of code is wrong
QUESTION
i am trying to export the gametag
and score
into an external file for a school project, but keep getting the error that write()
argument must be a str
, not tuple
...sorry if basic mistakes are made I'm very new to this.
ANSWER
Answered 2019-Jan-15 at 17:49Like the error says, you're trying to write a tuple into text file. Try writing a str instead. For example:
Maybe change line = (gametag,score)
to line='{},{}'.format(gametag, score)
QUESTION
I'm doing a music quiz for my OCR GCSE programming project. The aim of the python program is to generate a randomly chosen song from an array, display the initials of the song and also show the artist, then allow the user to guess the name of the song. The song array and the artist array are stored in separate external notepad files, and load in correctly, displaying the initials of the song and the artist. My problem is that, even if the user guesses the song name correctly, the program displays that it is incorrect and does not match the correct song name to the user input.
I have tried displaying the song name to make sure I am guessing the song name correctly, and have also tried copying the song name and copying it into the user input
...ANSWER
Answered 2018-Dec-25 at 18:59Like @Barmar said in the comments when you read a text file, you have to take into account the fact that you are going to get the newline character at the end of each line. But there's another bug in your code: in your while
loop you never check to see if the user has given more answers than you wanted to grant him. So the user will be stuck in that loop until he gives the right anwser.
So with minimal modifications it would look like:
Solution 1
QUESTION
Trying to create a guessing game.
I've got a CSV file with 2 columns. The first contains artist names, the second contains song titles
I want to be able to display a random artist name and then the first letter of each word in the song title e.g.
Led Zeppelin - S******* t* H*****
So far I've been able to get it to select a random artist from the file and display both the artist and song title
...ANSWER
Answered 2018-Oct-13 at 10:49To answer your OP's title:
You can use str.split() and string-slicing in concjunction with a generator expression and str.join():
QUESTION
I am not getting why is it giving me following error:
//Error:(47, 36) java: 'void' type not allowed here//
whereas I am not returning anything in the constructor. Also kindly suggest me good books or some place to learn the concepts of Java. basic and OOP.
...ANSWER
Answered 2018-Jul-20 at 15:51obj.Main()
returns void.
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