connection = ftplib.FTP(**ftpCredentials)
modifiedTime = connection.sendcmd('MDTM ' + fileName)
# successful response: '213 20120222090254'
Here is what the above code is Doing:
1. The ftplib.FTP() function takes a dictionary of credentials.
2. The sendcmd() method sends a command to the FTP server and returns the response.
3. The MDTM command returns the last modified time of a file.
# Returns a DataFrame representing the result of the given query df.createOrReplaceTempView(“table1”) df2 = spark.sql(“SELECT field1 AS f1, field2 as f2 from table1”) df2.collect() # [Row(f1=1, f2=’row1′), Row(f1=2, f2=’row2′), Row(f1=3, f2=’row3′)] Here is what the above code is Doing: 1. Create a DataFrame from a JSON dataset; 2. Register the DataFrame as a temporary view;…
sudo yum search python3 sudo yum search python2 sudo yum upgrade python3 sudo yum upgrade python2 Here is what the above code is Doing: 1. Searching for Python 3 and Python 2 packages 2. Upgrading Python 3 and Python 2 packages
Remove spaces to the left of the string: txt = ” banana ” x = txt.lstrip() print(“of all fruits”, x, “is my favorite”) Here is what the above code is Doing: 1. We create a variable called txt, and assign a string to it. 2. We create another variable called x, and assign the value…
“python.linting.pylintArgs”:[“–extension-pkg-whitelist=cv2”] Here is what the above code is Doing: 1. We are creating a new file called settings.json in the .vscode folder. 2. We are adding a new key called python.linting.pylintArgs. 3. We are adding a new value to the key called –extension-pkg-whitelist=cv2. Now, when you run the code, you will not get any errors.
df.drop(columns=[‘Unnamed: 0’]) Here is what the above code is Doing: 1. Importing the pandas library 2. Importing the csv file 3. Creating a dataframe from the csv file 4. Dropping the first column of the dataframe
from collections import Counter x = {‘both1’:1, ‘both2’:2, ‘only_x’: 100 } y = {‘both1’:10, ‘both2’: 20, ‘only_y’:200 } z = dict(Counter(x)+Counter(y)) print(z) [out]: {‘both2’: 22, ‘only_x’: 100, ‘both1’: 11, ‘only_y’: 200} Here is what the above code is Doing: 1. Counter(x) creates a dictionary with the keys of x and the values of the count…