catty | Catty is the source file concatenator for Mapshaper | Runtime Evironment library
kandi X-RAY | catty Summary
kandi X-RAY | catty Summary
Catty is the source file concatenator for Mapshaper.
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QUESTION
I have a json file that looks like:
...ANSWER
Answered 2020-Aug-29 at 14:08This might help you. note that you have to change filename and location.
I made the wanted name to upper
because in the json it is all upper
QUESTION
I am beginner with MongoDB. I use $lookup
in aggregation
and use localField
to get reference document.
ANSWER
Answered 2020-Aug-26 at 05:08You can try lookup with aggregation pipeline,
$lookup
join with inventory collection$match
to match is inventorysku
initem
array$project
to display required fields
QUESTION
I'd to start a React/Next/Vue blog, doesn't matter for real, the only thing is important, that's it will be based on JavaScript framework, about cats
For example I have a DB with cats
:
ANSWER
Answered 2020-Aug-08 at 12:23You can use regex like \s@(\w+)
to match and capture the names.
At the time of saving a new post, or updating a post, in the database, you can extract the mentions and update them to a relationship between personal pages and posts with mentions.
QUESTION
i have list of some string my_list
:
['Dog Austin', 'Cat Piter', 'Tiger John', 'Lion Albert']
i have dictionary with words i have : i need to replace them to:
my_dict = {"Cat" : "Catty", "Dog" : "Doggy"}
and i don't need registr case, that's mean algorithm should be search even cAt
or DOg
. i guees i need to use re.IGNORECASE
but where?
how i can do it to my list?
this is good way but here input is just a string
...ANSWER
Answered 2020-Mar-18 at 12:03You could use a nested list comprehension, and looking up in my_dict
the individual words from each string:
QUESTION
I have a question in a test, but I didn't find the solution. The question is how can I improve this code while maintaining the current behavior of the program :
...ANSWER
Answered 2019-Oct-19 at 11:33To get polymorphism you need to add an abstract method getName()
to your base class, like so:
QUESTION
I have following file
...ANSWER
Answered 2019-Mar-27 at 19:23Try:
QUESTION
I can't figure out how to map the top (#1) most similar document in my list back to each document item in my original list.
I go through some preprocessing, ngrams, lemmatization, and TF IDF. Then I use Scikit's linear kernal. I tried using extract features, but am not sure how to work with it in the csr matrix...
Tried various things (Using csr_matrix of items similarities to get most similar items to item X without having to transform csr_matrix to dense matrix)
...ANSWER
Answered 2019-Feb-14 at 02:44import pandas as pd
df = pd.DataFrame(columns=["original df col", "most similar doc", "similarity%"])
for i in range(len(documents)):
cosine_similarities = linear_kernel(tfidf_matrix[i:i+1], tfidf_matrix).flatten()
# make pairs of (index, similarity)
cosine_similarities = list(enumerate(cosine_similarities))
# delete the cosine similarity with itself
cosine_similarities.pop(i)
# get the tuple with max similarity
most_similar, similarity = max(cosine_similarities, key=lambda t:t[1])
df.loc[len(df)] = [documents[i], documents[most_similar], similarity]
QUESTION
The callback function prints an empty array even if there are two animals with type dog. What am I doing wrong? Thanks :) The node js app looks like this:
...ANSWER
Answered 2018-Oct-23 at 20:16You create new animals but dosen't save them to the database
QUESTION
I am trying to work out the inner joins or the type of join I need in SQL for me to get the Category name based on the ID of a product from a different table.
I'm making a PHP product page script using my own MVC framework and right now I'm able to get all the data easily for my product but I need to get the category name based on the cat_id. I'm unsure how to do this kind of query as I have never actually had to use them before.
I have two tables, the items table that has lots of data and the important one in this question is 'cat_id':
...ANSWER
Answered 2018-Jun-12 at 13:34You could try something like:
QUESTION
I read so many articles said MySQL SELECT COUNT(x)
is faster than mysql_num_rows($result)
and I never use mysql_num_rows()
, now I'm using COUNT($userSuspended)
on my controller. (my web app running on CodeIgniter Framework).
I'm looking for the difference of SELECT COUNT(x)
on MySQL and COUNT()
on PHP performance and I'm always found SELECT COUNT(x) on MySQL vs mysql_num_rows()
.
Maybe it's not important for you guys. But, I really want to make sure because I want to increase my customer web app performance, so they will not be dissapointed by me. All developers will feel the same.
For example, I have a user table on MySQL contains 7 user. (actually more than 500 users and still counting)
...ANSWER
Answered 2017-Dec-01 at 09:26I think you already have the answer. First, you have to make a query to MySQL. If you only need the count of the active users, and not the data itself, using
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