I want to use python to turn mysql into json, but when I use the following code, the result is json line by line, not a whole set of json Answer You need to pull out the json.dumps() line from the for loop. This is resulting in conversion of into json with each iteration and printing in each iteration. Your
Tag: python
Can’t get substring from strings. Help needed
I have a column that contains string like Expected Output: What I need is to get the substring (GDNDL380F4) after Name= to column Name and substring (FTT-87) after Type= to column Type. I tried different approaches with str.extract, find and re.find but for some reason I get wrong result (nan or an empty arra…
Removing specific word from WebElement text
Hello I am scraping a website using selenium which has a button named view profile whenever i scrape it shows me the text of button in my output because it’s under the same <div> that I am scraping data from like my code its ouput Is there any way I can remove that view profile text or stop it fro…
Taking the min value of N last days
I have this data frame: I want to show the min value of n last days (say, n = 4), using Date column, excluding the value of current day. A similar solution has provided by jezrael. (That one calculates the mean, and not min.) Expected result: Answer Use similar solution like @Chris with custom lambda function…
Adding values list of tuples on the basis of key
I have two lists of tuples, consider tuple’s 1st element as key and second one as value. I am a bit new to python, unable to start off with this problem. Answer Use collections.defaultdict Ex: Output:
Plot Decision Tree train/test accuracy against max depth
I was trying to plot the accuracy of my train and test set from a decision tree model. Since I am new to using python, I wasn’t sure what type of graphing package I should use. I have used a simple for loop for getting the printed results, but not sure how ]I can plot it. Thanks! My code: Desired
Python syntax: Could colons be optional when at end of line?
I would like to understand whether it would be possible to change the syntax of Python making the colons of compound statements optional when they are at the end of the line, apart from whitespace and comments. E.g.: Would this change break existing Python code? Would there be ambiguous constructs? Would the …
This application failed to start because no Qt platform plugin could be initialized
I am stuck trying to run a very simple Python script, getting this error: The script code is: However this Notebook code works in JupyterLab: I am on macOS, using Anaconda and JupyterLab. I would appreciate any help with this issue. Thanks! Answer For me, it worked by using a opencv-python version prior to 4.…
Coloring pivot table pandas dataframe
I have a pivot table created using pandas which looks like below: I want to apply color for the entire column based on account name starts with. Ex: If account name starts with “AA” color=yellow, if starts with “AB” then color = red How can I do that in python and save it into excel fi…
Pandas – merge multiple time columns and fill values
I have a dataframe (df): I need to merge the time columns, sort them, then fill the missing values in a “downwards” manner. The expected output is like so: Answer Use wide_to_long with some preprocessing – rename time column and convert index to column, then sorting by DataFrame.sort_values,…