crawley | Pythonic Crawling / Scraping Framework | CSV Processing library
kandi X-RAY | crawley Summary
kandi X-RAY | crawley Summary
Pythonic Crawling / Scraping Framework based on Non Blocking I/O operations.
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Top functions reviewed by kandi - BETA
- Generate a set of entities
- Generate a new class
- Iterate over keys and values
- Setup the UI
- Translate the UI
- Set up the project
- Load data from file
- Generate scrapers
- Generate scrape method
- Remove an item from the dictionary
- Remove key from dict
- Returns a list of urls
- Syncs the database
- Sets up the model
- Execute the syncdb command
- Return a response
- Run the given command
- Return a ConfigApp instance
- Update this dictionary
- Commit changes to file
- Run the crawler
- Syncs the project database
- Run the project
- Execute the command
- Parses the template content
- Create the main module
crawley Key Features
crawley Examples and Code Snippets
Community Discussions
Trending Discussions on crawley
QUESTION
Write a function that takes 2 lists. lst1 is a list of towns, lst2 sales numbers for the towns. The function needs to return copies of these lists such that they are both sorted in order of sales (descending order, ie the names of towns in the lst1 are also required to be ordered according to their sales in lst2). If two or more towns have the same sales numbers then these towns need to be ordered by their names also (ascending order: A-Z)
My code:
...ANSWER
Answered 2021-Apr-26 at 04:44You need to change the sub tuple to list and the list with all items to tuple. Replace
QUESTION
I'm working through The R Book by Michael Crawley and I've arrived at a part where he is showing how to the behaviour of different probability functions. In this part he plots a simple cumulative distribution function:
curve(pnorm(x),-3,3)
Not a problem. But I wanted to do this using the tidyverse
package. Reason being is that I've worked through two books that cover tidyverse
and as I continue my education in R I might as well make it in sync with what I know up to this point. In all I've done I noticed I've never really learned how to plot the probability distributions. So using the knowledge I do have up to this point I attempted the following just as an exercise:
ANSWER
Answered 2020-Dec-04 at 00:36Stealing from the ?stat_function
help-file, which also has ?geom_function
details, you could use:
QUESTION
I am coding an app for a friend, and SQL is not my strong suit. I thought that I had laid this matter to rest with my previous question, which received an excellent answer.
However, my friend has moved the goal posts yet again (and swears that it is final this time).
Given these tables
...ANSWER
Answered 2020-Sep-03 at 11:56Example of working query in DB fiddle: https://www.db-fiddle.com/f/rQKazPgbtGS766WEiuiXyR/0
QUESTION
I am trying to create a python dictionary from elements on a web page. The sleeps are in to allow my poor internet connection and the glacially slow website to catch up. So far I have
...ANSWER
Answered 2020-Jun-25 at 13:31Instead of (driver.find_element_by_name("rubbishDateNext").getAttribute("value"))
use
(driver.find_element_by_name("rubbishDateNext").get_attribute("value"))
QUESTION
Am incredibly new to Selenium. I'm trying to use it to 'fill out' a web form so that ultimately I can get the results as a dictionary in Python. So far I have
...ANSWER
Answered 2020-Jun-24 at 18:15Try below lines
QUESTION
Update the question so it focuses on one problem only. This will help others answer the question.
One problem only? But there is only one problem! I am trying to extract a single specific JSON value
...ANSWER
Answered 2019-Dec-15 at 13:49You're trying to access departures[460]
where the property is a number (460
). In the provided json the property is a string though. Therefore you need to access it as such: departures['460']
.
QUESTION
I would like to know how to properly back-transform the output from a univariate linear mixed effects model in order to interpret it. I have not posted data to go along with my question because my question should be answerable without data.
My model (simplified for the purposes of this question):
...ANSWER
Answered 2019-Apr-07 at 11:33When you print out the model by typing m1
, this part:
QUESTION
I've got a data frame 'worms' with two factors I am interested in for calculating the average - 'worm.density' and 'Vegetation' with the same length. Vegetation has 5 data frames of which I need 2 -'Meadow' and 'Grassland' for my average while also inserting a condition that includes only results of factors Area >2.5 and Soil.Ph>3.5. Is it possible to do this with tapply or are loops the best way for this? I got stuck limiting only the two data frames from my Vegetation factor with tapply.
datafile downloaded from www.bio.ic.ac.uk/research/crawley/statistics/
...ANSWER
Answered 2018-Oct-09 at 18:08Simply subset
your worms data frame inside tapply
which results in a named vector:
QUESTION
Here is the dataframe
...ANSWER
Answered 2018-Jun-14 at 11:52You do not need an explicit loop. Use vectorised operations where possible.
Using numpy.where
:
QUESTION
I've made the following table below:
...ANSWER
Answered 2017-Dec-12 at 02:18In short, your CHECK CONSTRAINT uses a REGEXP check, but is actually expecting a WHERE check.
If you want to use regular expressions inside your check constraint, you'll need to use REGEXP_LIKE:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install crawley
You can use crawley like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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