I am doing a social network, I have one profile template for all users, how to check a guest or a page owner entered the page, {% if profile.user.username == None%} tried to write like this in html but it works strangely.For users, I use the Profile model Answer try this https://docs.djangoproject.com/en/3.1/…
How can I insert rows to Pandas dataframe depending on previous and next values?
I want to insert a row if the time values between the previous and next rows are high. Essentially I want to have a row for every 2 seconds. So in the below example I want to add 3 rows between 19 and 26. The time values will be 21, 23, 25 and I will later use interpolate method to
Finding the ‘Sign in’ button on a webpage using Selenium
I’m new to Selenium and I’m trying to automate a login task on this webpage using Chrome. I’ve been successful in finding and sending keys to the email and password fields. However I’m unable to click the ‘Sign in’ button. The inspect element yields the following, I’v…
Map 2 df but column to value instead of value to value for each ID
I have a table with top 3 reasons (Table 1) and another table with the category it belongs to for each variable (Table 2). I am trying to match the category bins into the reason table like in table 3. Answer Approach index two data frames in way that works with join() then it’s a pd.concat() of each of …
Step into the non-innermost call in an expression with PDB
Consider a piece of code like this: In PDB (or PDB++), the step command normally would step into the baz() function. How can I step into the call to bar() or baz() instead of baz()? I don’t see anything about this in the PDB or PDB++ documentation. Answer Look at the list of debugger commands here. You …
How to transpose a dataframe in pyspark?
How do I transpose columns in Pyspark? I want to make columns become rows, and rows become the columns. Here is the input: Expected Outcome: Answer You can combine stack function to unpivot vin, mean and cur columns then pivot column idx: You apply the transformation one by one to see how it works and what do…
Adding a verticle line using axvline in matplotlib based on datetime data
I am trying to add a vertical line using axvline to a line chart using matplotlib and am running into a recurring error. I have been looking for a solution and read what was suggested here How to draw vertical lines on a given plot in matplotlib but they do not look specifically at using datetime. A solution …
List of all roles with attached policies with Boto3
Found a useful thread here that helped me get part of a script to get a list of all roles and its attached policies: I am trying to figure out how to make this work so I get a list of all the roles in our AWS account and their attached policies. I am pretty new to Python/Boto3 so any
Resample df to smaller time steps and average the counts
I have a dataframe containing counts over time periods (rainfall in periods of 3 hours), something like this: I need to upsample the dataframe into time periods of 1 hour and I would like to average out the counts for the rain, so that there are no NaNs and the total sum of rain remains the same, means this i…
Object tracking program does not show tracked points in the output image
I need to track an object in a video frame but to do so I have to initialize good features to track my object. So, I have a .mp4 file, I retained the blue channel of the first frame and I obtained the first frame. I then went on to create my binary mask by extracting my region of interest