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Appending a tuple to a np array returns a list of scalars instead of tuples


By : Bany
Date : October 18 2020, 01:08 AM
should help you out If you're not going to be using the array for anything useful (vectorized operations), just use a list.
code :
nod_intervals = []
for index, row in log_df.iterrows():
    if row['gesture'] == 'Nod' and row['label'] == 'y':
        nod_intervals.append((row['start'], row['end']))
m = log_df['gesture'].eq('Nod') & log_df['label'].eq('y')
nod_intervals = log_df[m][['start', 'end']].apply(tuple, 1).values


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How do I make a function that returns a list of tuples sorted by the last element in the tuple?


By : yunchen.bai
Date : March 29 2020, 07:55 AM
wish help you to fix your issue This is the code I am trying to run but it doesn't work. It says invalid syntax. , Use a lambda:
code :
def sort_last(tuples):
    return sorted(tuples, key = lambda t: t[-1])

Appending tuple of tuples


By : Įkh Lãssê
Date : March 29 2020, 07:55 AM
will help you The result of sqrt will always be a float (in case of 25, it's 5.0). That's why you always add 1 to the integer representation, which misrepresents the numbers in case the number is whole. Instead, use math.ceil, which returns the next-highest integer, or the same number, if it's a whole number already:
code :
from math import sqrt, ceil

...

def create_key(letters):
    sizeofList = len(letters) 
    conjLetters = []
    x = 0
    i = 0

    raiz = ceil(sqrt(sizeofList))
    numTuples = raiz

    numElems = sizeofList // raiz  # Python 3 compatibility


    while x != numTuples-1:
        line = tuple(create_line(letters, x, numElems))
        x += 1        
        conjLetters.append(line)
    return tuple(conjLetters)

C# list retrieving tuples from Database returns only first tuple available


By : user2946803
Date : March 29 2020, 07:55 AM
Hope that helps LINQ has a little "I don't care policy".
Before I modified the table "HistoryMessageValues" and its own Context relation, it had no explicit primary key: indeed, it had one attribute considered as uniqueidentifier: "IdDataModelField".
code :
   entity.Property(e => e.idKey).HasColumnName("idKey");
   entity.HasKey(e => e.idKey);

PostgreSQL psycopg2 returns a tuple of strings instead of tuple of tuples?


By : jpcourneya
Date : March 29 2020, 07:55 AM
may help you . Remove the parentheses from the fields in the SELECT clause.
I had this same issue (though with a RETURNING clause instead of a SELECT), and the comment by @user2524674 deserves to be an answer. Before the question was edited, the fields in the SELECT clause were surrounded by parentheses, i.e.

python program 2 tuples as arguments and returns a sorted tuple containing elements that are found in both tuples


By : Koji Kiyokawa
Date : March 29 2020, 07:55 AM
Does that help I would convert the two parameters to Python's set type, and then use the set intersection operator between the two sets. After that, you can cast the result to a tuple as you wanted.
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