Blastoise | tiny relational database | Database library
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QUESTION
I am new here. I'm learning web programming, and now I'm a bit stuck with Javascript. I want to validate that, when a new object is added to an array, it has all the required keys. I have shared below an array object, an example object with all the keys, and an object that does not have all the required keys. I tried to use Object.keys() to compare the keys of an array object, with the object to be input. However, unfortunately both objects that have all the keys and objects that do not have all the keys are taken as incomplete. I cannot add any new objects, even though they have all the keys that the other objects in the array have. Does anyone know where I am going wrong? I would be very grateful for help.
Thanks and best regards to all!
Francisco
Code:
...ANSWER
Answered 2021-Mar-12 at 18:39Comparing Object.keys(item) === Object.keys(pokemonList[0])
doesn't work because ===
does an identity comparison. If they're not literally the same array (they're not) this will never resolve to true.
You could use Array.every
and in
for this:
QUESTION
Trying to learn Python from the Think Python book and at the section about recursive functions. An exercise there made me wonder how to call a function with arguments using another function generically.
The answer to the exercise itself is already available in another thread, but all solutions involve modifying the third function do_n()
to add additional arguments that will match the second function print_n()
ANSWER
Answered 2021-Feb-20 at 17:10How do you write the third function so that it is generic and works to call either first function or second function or any other function by prompting you to enter the arguments ...?
I don't know where it would be useful to have the arguments entered by the user, but since you ask for it:
QUESTION
I was doing image classification tutorial on Tensorflow website and I can't make the section which does model.fit.
Here's the error.
...ANSWER
Answered 2020-Dec-07 at 09:15The tensor used for predictions should be 4d tensor. The shape of what is expected can be viewed as an array of what the inputShape is. So here it is an array of 3d tensors which therefore is a 4d tensor. If you only have one image (3d tensor), you can consider expanding the first axis (.expandDims(0)
). That way, it will be as if you have an array of your image.
QUESTION
This is for a project. I need to access an array from this api: https://pokeapi.co/. I am able to access the array, which looks like this:
...ANSWER
Answered 2020-Sep-23 at 03:34Your error is because pokemon
is null when you're trying to do the *ngFor
right? In this case you can add ?
after pokemon
in you HTML.
QUESTION
I'm newish to SQL and playing with a Pokemon database to learn. Starting to grasp some differences with MYSQL, SQLite and PostgreSQL.
SQLlite allows me to use the following query to grab Pokemon with only a single type (they have only one row using the Select statement as type_names.name will generate two rows--one for each type--if they have two types):
...ANSWER
Answered 2020-Jul-23 at 11:23You can filter on the pokemon ids that are single type.
QUESTION
def user_input():
x = input("Choose :Charizard, Blastoise, or Venusaur: ")
if x in "char":
user_choice = "Charizard"
elif x in "blast":
user_choice = "Blastoise"
elif x in "ven":
user_choice = "Venusaur"
return user_choice
user_input()
print(user_choice)
...ANSWER
Answered 2020-Jun-24 at 21:35You have it backward basically, You would want to check if those characters are in the string as opposed to the opposite. See below:
QUESTION
I'm creating a React app that is storing it's Pokedex entries, along with its static assets on Google Firestore.
I have it setup like this:
The goal is to retrieve these documents that are Pokemon and return them in an array of objects similar to what I can do locally. I am able to get console logs of the entries back, but I can't seem to display any of them in the rendering process and I believe it's due to them not being in an array.
...ANSWER
Answered 2020-May-11 at 04:44Try the code update below (assuming you're using a React class component), including setting the initial pokemon state to an empty array. You will need to be explicit about which document fields you want to pull in (i.e., you'll need to replace "name
", "element
", "HP
" with your own fields)
QUESTION
I can't figure this out. My search tree only saves the first entry from the input list. I want to build pre, inline, and post traversals along with with some other functions (this will be done after I fix this mess).
There are many solutions, but I want to get better, so I want to know what is wrong with what I did.
...ANSWER
Answered 2020-May-06 at 04:36In your node-adding function
QUESTION
So, I've already asked a questoin similar to this here but I'll ask again since what I need is similar to that but with a different conditions.
As an example I have a Pokemon
column with certain data inside, many of them repeat
Pokemon
...ANSWER
Answered 2020-Feb-26 at 10:46Directly:
QUESTION
I'm trying to make a Pokemon Damage Calculator/Battle Simulator in python. Being moderately experienced in the language, I know most of the jibe, however, I can't seem to figure out how to retrieve an entry (the users choice of Pokemon) and check if it's in a list. I will be using this function for a chunk of the script and I'm not sure how to code it.
I've tried a if
statement combined with .get
but, when I try that, the error TypeError: 'set' object is not callable
appears.
Heres my code to show my situation:
...ANSWER
Answered 2020-Feb-18 at 04:58Like this
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