There is a mention that it is preferable for that a line in a Python script should not exceed more than 80 characters. For example: Does it include the characters of the print function, the strings (including spaces), parenthesis etc.? And does it not limited to other functions besides print? What is the reas…
Tag: python
“no such table” exception
In Django I added models into models.py. After manage.py makemigrations, manage.py migrate raised this exception: django.db.utils.OperationalError: no such table: auth_test_usertranslatorprofile I removed all old migrations and run makemigrations and migrate again which seemed to work. It didn’t help be…
Selenium give file name when downloading
I am working with a selenium script where I am trying to download a Excel file and give it a specific name. This is my code: Is there anyway that I can give the file being downloaded a specific name ? Code: Answer You cannot specify name of download file through selenium. However, you can download the file, f…
Divide multiple columns by another column in pandas
I need to divide all but the first columns in a DataFrame by the first column. Here’s what I’m doing, but I wonder if this isn’t the “right” pandas way: Is there a way to do something like df[[‘B’,’C’]] / df[‘A’]? (That just gives a 10×12 …
How to round dates to week starts in Pandas [duplicate]
This question already has answers here: Get week start date (Monday) from a date column in Python (pandas)? (5 answers) Closed 7 months ago. I’m having a DataFrame with a date column. How can I map each date d to the start day of the week containing d? Answer
How to install an Android .APK using Python code?
Is there a way to programmatically install an Android .apk in Python? Could you please show me how? I’m new to Python. Thanks in advance. Answer As @Swing mentioned in his comment, subprocess.call(“adb install path-to-file.apk “) solves the issue.
Find files in a directory containing desired string in Python
I’m trying to find a string in files contained within a directory. I have a string like banana that I know that exists in a few of the files. When the program runs, it just outputs string not found for every file. There are three files that contain the word banana, so the program isn’t working as …
Python regex to extract html paragraph
I’m trying to extract parapgraphs from HTML by using the following line of code: but it returns none even though I know there is. Why? Answer Why don’t use an HTML parser to, well, parse HTML. Example using BeautifulSoup: Note that text=True helps to filter out empty paragraphs.
How to set line color of openpyxl ScatterChart
I am trying to set the line of an openpyxl scatter chart to green: While this code does not cause any problems, it does not change the line color from the default. What is the correct way to change the line color? Interestingly I have no problem setting the style to dashed or dotted using: Answer As it turns …
Appending each element of list at the end of file lines
I wrote this code.. However i can’t append elements at the end of line.. the output is just as this.. What changes does my code requires? Answer You can’t append to lines within a file without moving other data out of the way. If you can slurp the whole file into memory, this can be done without t…