./manage.py show_urls
Here is what the above code is Doing:
1. We’re importing the path function from the django.urls module.
2. We’re assigning a view called post_list to the root URL.
3. We’re assigning a view called post_detail to the URL /post/
>>> from datetime import datetime >>> a = datetime.strptime(’26/01/12 23:50:32.123′, ‘%d/%m/%y %H:%M:%S.%f’) >>> a.microsecond Here is what the above code is Doing: 1. The datetime.strptime() class method creates a datetime object from a string representing a date and time and a corresponding format string. 2. The format string contains standard directives, which are preceded by…
import os os.startfile(‘C:\\Path\\To\\file.docx’) Here is what the above code is Doing: 1. os.startfile() is a function that opens a file in its default program. 2. ‘C:\\Path\\To\\file.docx’ is the path to the file you want to open. 3. The path is a string, so it needs to be enclosed in quotes. 4. The path uses double…
# credit to Stack Overflow user in the source link import pandas as pd # use r before absolute file path xls = pd.ExcelFile(r”yourfilename.xls”) # 2 is the sheet number+1 thus # if the file has only 1 sheet write 0 in paranthesis sheetX = xls.parse(2) var1 = sheetX[‘ColumnName’] # 1 is the row number…
import pandas as pd import seaborn as sns import matplotlib.pyplot as plt fake = pd.DataFrame({‘cat’: [‘red’, ‘green’, ‘blue’], ‘val’: [1, 2, 3]}) ax = sns.barplot(x = ‘val’, y = ‘cat’, data = fake, color = ‘black’) ax.set(xlabel=’common xlabel’, ylabel=’common ylabel’) plt.show() Here is what the above code is Doing: 1. We create a DataFrame with…
df1 = df[df.isna().any(axis=1)] Here is what the above code is Doing: 1. We’re using the df.isna() method to create a DataFrame of booleans showing which values are missing. 2. We’re using the .any() method to see if any of the columns are missing values. 3. We’re using the .any(axis=1) method to see if any of…
hasattr(object, name) Here is what the above code is Doing: 1. It’s checking if the object has an attribute with the name name. 2. If it does, it returns True. 3. If it doesn’t, it returns False.