In individual DAG task, how do I set up the url link with the help from python operator as I am intending to send an url link of the latest log directly to the user whenever errors occur so that they can access to the page directly skipping the step of navigating. Answer You can define a callback function, wh…
Tag: python
How can I turn an execution time-counter into one or two functions?
I use this code often: This gives the time a block of code took to execute. I’m trying to turn that process into one or two functions but I’m having a hard time conceptualizing it. Something like this but it always gives 0.0: Answer start_timer returns the starting time, You need to save it inside…
Downsample non timeseries pandas dataframe
I have a data frame like below, I want to reduce the size of data frame by Depth_Feet column (let’s say every 2 feet). Desired output is I have tried few options like round and group by etc, but I’m not able to get the result I want. Answer If need each 2 rows per groups: If need resample by
How to return dataframe containing column names of multiple dataframe
I have multiple dataframes and would like a dataframe that contains all column names from said multiple dataframes. For example : I would like to get a dataframe like this : Help would be very appreciated and thank you in advance! Answer If possible extract DataFrame names fom columns names use list comprehen…
How to assign conditional value if I want to use pct_change method on some negative values?
I have a dataframe which contains some negative and positive values I’ve used following code to get pct_change on row values df_gp1 = df_gp1.pct_change(periods=4, axis=1) * 100 and here I want to assign some specific number, depending on how the values change from negative to positive or vice versa for …
How can I get the start and end dates for each week?
After finding the week, how can I get the start and end date of the week? Answer Python 3.6 version of rshepp’s answer: Output, Sunday-Saturday Output, Monday-Sunday
Image processing in Tensor flow TFX pipelines
I am trying to get a Tensorflow TFX pipeline up and running using the MNIST dataset. Setup pipeline paths Write the data to TF.record format and save in eval and train dirs. NOTE that the MNIST data starts as a numpy array 28×28 and is converted to a bytestring to enable it to be encoded as part of the T…
How to write a search function to get the path of the desired file?
I have a directory structure that looks like the image. This structure is organised in a form of objects. File objects are each in the form: {type:’file’, name:’file a1′} for example. Folderobjects are like File objects, but they have an extra key children which is an array of sub fold…
how to install multiple packages in one line using conda?
I need to install below multiple packages using conda. I am not sure what is conda-forge? some uses conda-forge, some doesn’t use it. Is it possible to install them in one line without installing them one by one? Thanks Answer Why some packages have to be installed through conda forge: Conda official re…
fastapi logging error and swagger is not working
I’m making a rest API using fastapi. I just wonder why I get below messages whenever I execute my server. And below is main.py. Also, I can’t get anything in swagger and redocs whereas I can get REST methods’ results. Answer You need to change your port to int and app object to str like this…