I try to scrape this site by Selenium. I want to click in “Next Page” buttom, for this I do: it works for many pages but not for all, I got this error always for this page I read this question and I tried this but I got the same error Answer Another element is covering the element you are
What are python’s equivalents of std::lower_bound and std::upper_bound C++ algorithms?
Does python provide functions for performing binary search on sorted lists, analogous to the std::lower_bound and std::upper_bound algorithms of the C++ Standard Library? Answer Those functions are located in the bisect module: bisect.bisect_left(a, x, lo=0, hi=len(a)) is the analog of std::lower_bound(). bis…
In numpy, what does selection by [:,None] do?
I’m taking the Udacity course on deep learning and I came across the following code: What does labels[:,None] actually do here? Answer http://docs.scipy.org/doc/numpy/reference/arrays.indexing.html numpy.newaxis The newaxis object can be used in all slicing operations to create an axis of length one. :c…
Python cmd module – Resume prompt after asynchronous event
I am maintaining an operator terminal based on cmd. The customer asked for an alerting behavior. e.g. a message shown onscreen when some asynchronous event occurs. I made a thread that periodically checks for alerts, and when it finds some, it just prints them to stdout. This seems to work OK, but it doesn…
Is there an operation for not less than or not greater than in python?
Suppose I have this code: That is: I want to do something when a is not negative. I know that I can write if a != 0: to check whether a is not equal to 0. So, I tried using if a !< 0:, following similar logic. However, this is apparently not supported: Why is this syntax invalid? What can
Can you obtain physical size of device in kivy?
Does anyone know how Kivy renders text in different fonts? I have labels with text at 16sp. On a tablets with screen sizes (1024, 552) and (2048, 1536) it works perfectly (width/height ratios 1.855 and 1.333 respectively) On the pc with screen size (1280, 720) (ratio 1.778) it also displays perfectly, but on …
Django: Query Group By Month
How to calculate total by month without using extra? I’m currently using: django 1.8 postgre 9.3.13 Python 2.7 Example. What I have tried so far. and also this one, the answer seems great but I can’t import the TruncMonth module. Django: Group by date (day, month, year) P.S. I know that this quest…
Implement packing/unpacking in an object
I have a class that only contains attributes and I would like packing/unpacking to work on it. What collections.abc should I implement to get this behaviour? I would like to avoid using a namedtuple. Answer You can unpack any Iterable. This means you need to implement the __iter__ method, and return an iterat…
Hide ffmpeg’s console window when running YoutubeDL in GUI application
I’m developing a basic application which can download YouTube videos. Throughout the development, I had several quirks, including issues with formats. I decided to use a hopefully foolproof format syntax that youtube-dl will happily download for me in almost any case. Part of my YoutubeDL options look l…
Seaborn pairplot legend – how to control position
I would like to move the Seaborn pairplot legend outside the scatter plot matrix. The official docs don’t give a keyword legend. I am trying to plot the legend outside the plot in 3 different locations simultaneously: bottom center, top center, right center I have tried this: The output of the above cod…