from selenium.common.exceptions import NoSuchElementException
try:
driver.find_element_by_xpath("//span")
except NoSuchElementException:
Here is what the above code is Doing:
1. It’s trying to find an element with the xpath “//span”.
2. If it can’t find the element, it will raise a NoSuchElementException.
3. If it can find the element, it will do nothing.
df.drop(df.loc[df.time< df.time.shift()].index, inplace=True) Here is what the above code is Doing: 1. We are creating a new column called 'time_diff' which is the difference between the current row and the previous row. 2. We are then dropping all rows where the time_diff is negative.
from django.shortcuts import render Here is what the above code is Doing: 1. We import the render function from the django.shortcuts module. 2. We import the HttpResponse class from the django.http module. 3. We define a function called index that takes a request and returns a response. 4. We create an HttpResponse object that contains…
np.random.rand(3,2) Here is what the above code is Doing: 1. We’re creating a 3×2 matrix of random numbers. 2. We’re creating a 3×2 matrix of random numbers. 3. We’re creating a 3×2 matrix of random numbers. 4. We’re creating a 3×2 matrix of random numbers. 5. We’re creating a 3×2 matrix of random numbers. 6….
all_ids = [ each[‘obj_id’] for each in ds ] # get ‘ds’ from above snippet unique_stuff = [ ds[ all_ids.index(id) ] for id in set(ids) ] Here is what the above code is Doing: 1. Get a list of all the ids in the dataset 2. Get a list of unique ids 3. Get the…
#!/usr/bin/python # # Brainfuck Interpreter # Copyright 2011 Sebastian Kaspari # # Usage: ./brainfuck.py [FILE] import sys import getch def execute(filename): f = open(filename, “r”) evaluate(f.read()) f.close() def evaluate(code): code = cleanup(list(code)) bracemap = buildbracemap(code) cells, codeptr, cellptr = [0], 0, 0 while codeptr < len(code): command = code[codeptr] if command == ">“: cellptr +=…
py manage.py generateschema –file openapi-schema.yml Here is what the above code is Doing: 1. We’re importing the Django management command class. 2. We’re creating a new class called GenerateSchemaCommand that inherits from BaseCommand. 3. We’re adding a handle method to the class. This is the method that will be called when we run the command….