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Execute Python scripts with Selenium via Crontab Question: I have several python scripts that use selenium webdriver on a Debian server. If I run them manually from the terminal (usually as root) everything is ok but every time I tried to run them via crontab I have an exception like this: WebDriverExcep...
Can't access blob storage via azure-storage package in Python WebJob Question: I am trying to read/write from blob storage using a Python WebJob on an Azure App Service. My App Service's requirements.txt file includes the azure-storage package name: the package is successfully installed via pip during App Service deplo...
Python parse string into Python dictionary of list Question: There are two parts to this question: **I. I'd like to parse Python string into a list of dictionary.** ****Here is the Python String**** ../Data.py:92 final computing result as shown below: [historic_list {id: 'A(long) 11A' startdate: 42521...
Python Selenium 'module' object is not callable in python selenium script Question: Learning Selenium driven by Python and in my practice I keep getting the following error. I am stuck and could use some guidance > Traceback (most recent call last): File "test_login.py", line 14, in > test_Login loginpage = homePage(s...
Save file before running custom command in Sublime3 Question: This question is similar to this one [Is it possible to chain key binding commands in sublime text 2?](http://stackoverflow.com/q/9646552/1391441) Some years have passed since that question (and the answers given), and I'm using Sublime Text 3 (not 2), so I ...
Drawing a polygon in Python with a set of random colors Question: I am working on a simple python program which prompts the user to enter the length of the side of a polygon and the program (using turtle) will draw the polygon with a random color that has been set using the random.randint my code so far is: ...
Exception: Cannot find PyQt5 plugin directories when using Pyinstaller despite PyQt5 not even being used Question: A month ago I solved my applcation freezing issues for Python 2.7 as you can see [here](http://stackoverflow.com/questions/39135408/using-pyinstaller-on- parmap-causes-a-tkinter-matplotlib-import-error-why...
Python : Extract one string from 100 lines of text Question: 1. I need to extract a particular string from 100 lines of log data. I tried split and then tried to get the needed string but couldn't succeed. Any suggestions/help appreciated. Thanks! In the log below, I would like to extract the highlighted part, that ...
Load JSON object including escaped json string Question: I'm trying to load a JSON object from a string (via Python). This object has a single key mapped to an array. The array includes a single value which is another serialized JSON object. I have tried a few online JSON parsers / validators, but can't seem to identif...
Return string that is not a substring of other strings - is it possible in time less than O(n^2)? Question: You are given an array of strings. you have to return only those strings that are not sub strings of other strings in the array. Input - `['abc','abcd','ab','def','efgd']`. Output should be - `'abcd'` and `'efgd'...
SQLalchemy find id and use it to lookup other information Question: I'm making a simple lookup application for Japanese characters (Kanji), where the user can search the database using any of the information available. ## My database structure **Kanji** : * id * character (A kanji like 頑) * heisig6 (a number i...
requests.exceptions.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:600) Question: **This is not a duplicate of[this question](http://stackoverflow.com/questions/35403605/ssl-certificate-verify- failed-ssl-c600)** I checked [this](http://stackoverflow.com/questions/38522939/requests- excep...
Download specific file in url using PHP/Python Question: I previously used to use `wget -r` on the linux terminal for downloading files with certain extensions: wget -r -A Ext URL But now I was assigned by my lecturer to do the same thing using PHP or Python. Who can help? Answer: I guess urllib ...
Using curl within a Databricks+Spark notebook Question: I'm running a Spark cluster using Databricks. I'd like to transfer data from a server using curl. For example, curl -H "Content-Type: application/json" -H "auth:xxxx" -X GET "https://websites.net/Automation/Offline?startTimeInclusive=201609240100&en...
Sympy to numpy causes the AttributeError: 'Symbol' object has no attribute 'cos' Question: I am trying to do partial derivatives using sympy and I want to convert it to a function so that I can substitute values and estimate the derivatives at some values of t_1, t_2. The code I am using is as follows: i...
file writing not working as expected Question: I have a python code where it will take the first column of a sample.csv file and copy it to temp1.csv file. Now I would like to compare this csv file with another serialNumber.txt file for any common rows. If any common rows found, It should write to a result file. My tem...
Test Requests for Django Rest Framework aren't parsable by its own Request class Question: I'm writing an endpoint to receive and parse [GitHub Webhook payloads](https://developer.github.com/webhooks/#example-delivery) using Django Rest Framework 3. In order to match the payload specification, I'm writing a payload req...
Generate Swagger specification from Python code without annotations Question: I am searching for a way to generate a Swagger specification (the JSON and Swagger-UI) from the definition of a Python service. I have found many options (normally Flask-based), but all of them use annotations, which I cannot properly handle ...
How to use plt.text() function to type special symbols into a plot produced by python3? Question: I am trying to type a text (which includes some astrophysical symbols like solar mass and Hubble's Parameter) inside an empty figure in a python script: import numpy as np import matplotlib.pyplot as plt...
Summing the values of one element of a dictionary based upon the values of another element Question: Using Python, I have a list of two-element dictionaries which I would like to sum all the values of one element based upon the values of another element. ie. [{'elev': 0.0, 'area': 3.52355755017894}, {'el...
Linear Programming with Anaconda Question: I have installed Anaconda on my windows 10 and I am using it for Python. I have a class in Mathematical optimization and need a good package for basic LP. **Is there a "pre-installed" package that is good for LP in Anaconda, that I can just import to my python file, or do I ha...
Adding an extension in Sphinx (Python Documentation Generator) configuration file Question: I want to use Sphinx as a documentation generator. When I try to run the **make html** command, I have the following error : `Extension error: Could not import extension sphinxcontrib.httpdomain (exception: No module named sphi...
How to use num2date/ date2num with Tkinter mainloop() Question: I have this code inside a tkinter `mainloop()`: self.raw_start_date = num2date(date2num(dt.datetime.strptime(self.end_date, "%Y-%m-%d")) - self.period) self.start_date = self.raw_start_date.strftime("%Y-%m-%d") I get the following ...
Converting python tuple, lists, dictionaries containing pandas objects (series/dataframes) to json Question: I know I can convert pandas object like `Series`, `DataFrame` to json as follows: series1 = pd.Series(np.random.randn(5), name='something') jsonSeries1 = series1.to_json() #{"0":0.0548079371,"...
Flask return multiple variables? Question: I am learning Flash with Python. My python skills are okay, but I have no experience with web apps. I have a form that takes some information and I want to display it back after it is submitted. I can do that part, however I can only return one variable from that form even tho...
How to delete a line(input) in the list in Python Question: I have a text file which has multiple lines. the line string format is [studentnumber, course, specialisation] studentnumber as ID, course name, specialisation how can i delete the line containing specific ID with user input for example: ID = 12345678 if...
python pandas/numpy quick way of replacing all values according to a mapping scheme Question: let's say I have a huge panda data frame/numpy array where each element is a list of ordered values: sequences = np.array([12431253, 123412531, 12341234,12431253, 145345], [5463456, 1244...
AJAX + Flask update server request when filling form Question: On the Flask website there's a tutorial on how to use AJAX and this an example to display the sums of two numbers. This is the python app from flask import Flask, render_template, request, jsonify # Initialize the Flask application app =...
Parse an XML file to get a full tag by using Python's lxml package Question: I've got the following XML file: <root> <scene name="scene1"> <view ath="0" atv="10"/> <image url="img1.jgp"/> <hotspot name="hot1"/> </scene> <scene name="sc...
Python: Break down large file, filter based on criteria, and put all data into new csv file Question: I have a super large csv.gzip file that has 59 mill rows. I want to filter that file for certain rows based on certain criteria and put all those rows in a new master csv file. As of now, I broke the gzip file into 118...
traversing folders, several subfolders for the files in python Question: I've a folder structure similar to what's outlined below. Path | | +----SubDir1 | | | +---SubDir1A | | | | | |----- FileA.0001.ext | | |----- ... | ...
Factory class with abstractmethod Question: I've created a factory class called `FitFunction` that adds a whole bunch of stuff beyond what I've shown. The label method `pretty_string` is supposed to just return the string as written. When I run this file, it prints a string that is as useful as the `repr`. Does someone...
wxPython: Redirecting events on other widgets (TextCtrl) Question: The case study doesn't seem too hard to explain, but I guess TextCtrl in wxPython aren't often used in this way. So here it is: I have a simple window with two TextCtrls. One is an input widget (the user is supposed to enter commands there), the second ...
subprocess.Popen: 'OSError: [Errno 2] No such file or directory' only on Linux Question: > This is not a duplicate of [subprocess.Popen: 'OSError: [Errno 13] > Permission denied' only on > Linux](http://stackoverflow.com/questions/39777345/subprocess-popen-oserror- > errno-13-permission-denied-only-on-linux) as that pr...
Python compute a specific inner product on vectors Question: Assume having two vectors with m x 6, n x 6 import numpy as np a = np.random.random(m,6) b = np.random.random(n,6) using np.inner works as expected and yields np.inner(a,b).shape (m,n) with every element b...
Speckle ( Lee Filter) in Python Question: I am trying to do speckle noise removal in satellite SAR image.I am not getting any package which does speckle noise removal in SAR image. I have tried pyradar but it works with python 2.7 and I am working on Anaconda with python 3.5 on windows. Also Rsgislib is available but i...
Neural Network Inception v3 doesn't create labels Question: I am facing an error with testing the Neural Network Inception v3 and Tensorflow. I avtivated and trained the model this way with Python: source tf_files/tensorflow/bin/activate python tf_files/tensorflow/examples/image_retraining/retrain.p...
Python: edit matrix row in parallel Question: here is my problem: I would like to define an array of persons and change the entries of this array in a for loop. Since I also would like to see the asymptotics of the resulting distribution, I want to repeat this simulation quiet a lot, thus I'm using a matrix to store ...
Multiple Choice Quiz With Randomising Answer Positions PYTHON 3.5.2 Question: I am creating a Que Card quiz in which a keyword from a text file is chosen at random, the program should then show the correct definition along with 2 other incorrect definitions that are in the text file as well. So far I have the keyword, ...
Speed optimisation in Flask Question: My project (Python 2.7) consists of a screen scraper that collects data once a day, extracts what is useful and stores that in a couple of pickles. The pickles are rendered to an HTML-page using Flask/Ninja. All that works, but when running it on my localhost (Windows 10), it's rat...
Scrapy (python) TypeError: unhashable type: 'list' Question: I have this simple scrappy code. However get this error when i use `response.urljoin(port_homepage_url)` this portion of the code. import re import scrapy from vesseltracker.items import VesseltrackerItem class GetVes...
Reverse redirect does not work but inserts data into db Question: from django.db import models from django.core.urlresolvers import reverse class Gallery(models.Model): Title = models.CharField(max_length=250) Category = models.CharField(max_length=250) Gallery_logo = mode...
How to get points coordinate position in the face landmark detection program of dlib? Question: There is one example python program in dlib to detect the face landmark position. [face_landmark_detection.py](http://dlib.net/face_landmark_detection.py.html) This program detect the face feature and denote the landmarks w...
Looping with while function with Selenium throws error NameError: name 'neadaclick' is not defined Question: I am trying to automate a task in my work. I already have the task and every time I click on the program I can accomplish it, however I would want to be able to do the tasks several times with one click so I wan...
Playing music on loop until a key is released. Python Question: I'm making a little GUI with python, using cocos2d and pyglet modules. The GUI should play a sound while the "h" is pressed and stop when it is released. The problem here is that I can't find a solution to this. After searching this site I've found this qu...
python, multthreading, safe to use pandas "to_csv" on common file? Question: I've got some code that works pretty nicely. It's a while-loop that goes through a list of dates, finds files on my HDD that corresponds to those dates, does some calculations with those files, and then outputs to a "results.csv" file using th...
Set string in 'A' python script from 'B' python script Question: I have two scripts: A.py (is TK window) def function(): string = StringVar() string.set("Hello I'm A.py") From B.py I wish change string that appear in Tk window. def changestring(): string.set(...
How to use the `pos` argument in `networkx` to create a flowchart-style Graph? (Python 3) Question: **I am trying create a linear network graph using`Python`** (preferably with `matplotlib` and `networkx` although would be interested in `bokeh`) similar in concept to the one below. [![enter image description here](htt...
Sending email with python script Question: What I'm trying to do is get my python code to send an email. This code is supposed to use the yahoo smtp to send the email. I don't need any attachments or anything else. The code bugs out where it says `Error: unable to send email.` Other than the obvious of putting in corre...
Why is `self` not used in this method? Question: I was under the impression that methods within Python classes _always_ require the `self` argument (I know that it doesn't actually have to be `self`, just some keyword). But, this class that I wrote doesn't require it: import ZipFile import os cla...
switch variable and write problems,python Question: import csv import sys def switch(): file1=open('enjoysport.csv','r') for line in file1: line.split(",")[0],line.split(",")[-1]=line.split(",")[-1],line.split(",")[0] file1.close() ...
Python - multiprocessing while writing to a single result file Question: I am really new to the multiprocessing package and I am failing to get the task done. I have lots of calculations to do on a list of objects. The results I need to write down are saved in those objects, too. The results should be written in a s...
No attribute 'HookManager' Question: I am copying the key logger from this video: (<https://www.youtube.com/watch?v=8BiOPBsXh0g>) and running the code: import pyHook, sys, logging, pythoncom file_log = 'C:\Users\User\Google Drive\Python' def OnKeyboardEvent(event): ...
make bouncing turtle with python Question: i am a beginner with python I wrote this code to make bouncing ball with turtle it works but have some erors like ball dissapering import turtle turtle.shape("circle") xdir = 1 x = 1 y = 1 ydir = 1 while True: x = x + 3 * xdir ...
Find all common N-sized tuples in list of tuples Question: I have to create an an application that does the following (I have to parse the data only once and store them in a database): I am given K tuples (with K over 1000000) and each tuple is in the form of (UUID, (tuple of N integers)) Lets ass...
How can I install mpmath as an external library for Blender? Question: I'm interested in trying out sympy with Blender (v2.76, Python 3.4.2 Console, Windows 8.1). I followed this [answer](http://blender.stackexchange.com/questions/15453/error-import- point3d-of-geometry-module-of-sympy0-7-5-in-blender2-71/15513#15513) ...
explicitly setting style sheet in python pyqt4? Question: In pyqt standard way for setting style sheet is like this `MainWindow.setStyleSheet(_fromUtf8("/*\n" "gridline-color: rgb(85, 170, 255);\n" "QToolTip\n" "{\n" " border: 1px solid #76797C;\n" " background- color: rgb(90, 102, 117);;\n" " color: white;\n" " p...
KNeighborsClassifier .predict() function doesn't work Question: i am working with KNeighborsClassifier algorithm from scikit-learn library in Python. I followed basic instructions e.g. split my data and labels into training and test data, then trained my model on a training data. Now I am trying to predict accuracy of ...
Python list to string spacing Question: I have a list such as this list = ['Hi', ',', 'my', 'name', 'is', 'Bob', '!'] I wanted to convert this to a string, and originally, I found on stackoverflow that .join() could be used. So i did: x = ' '.join(list) print(x) which print...
How can jupyter access a new tensorflow module installed in the right path? Question: Where should I stick the model folder? I'm confused because python imports modules from somewhere in anaconda (e.g. import numpy), but I can also import data (e.g. file.csv) from the folder in which my jupyter notebook is saved in. T...
F test with python, finding the critical value Question: Using python, Is it possible to calculate the critical value on F distribution with x and y degrees of freedom? In other words, I need to calculate the critical value given a x degrees of freedom and a confidence level 5%, but i do not see the table from statisti...
python: convert pandas categorical values to integer when reading csv in chunks Question: I have large csv file with 1000 columns, column 0 is an id, the other columns are categorical. I would like to convert them to integer values in order to use them for data analysis. First "dummy" way would work if I had enough mem...
function that select ALL paths in folder containing specificic pieces of string Question: I would like to use the os.walk method in Python in order to select ALL the files that contain certain strings in their name. Here the code I wrote def func(root = root, element = ''): c = [] for pat...
Python and time / datetime Question: I've recently began work on a Python program as seen in the fragment below. # General Variables running = False new = True timeStart = 0.0 timeElapsed = 0.0 def endProg(): curses.nocbreak() stdscr.keypad(False) curses.e...
call function from list(string) in another py file Question: i have 3 python scripts ('testPrint01.py','testPrint02.py','testPrint03.py') and i would like to call function from 'testPrint02' import sys sys.path.append(path) a = ['testPrint01','testPrint02','testPrint03'] ...
Error installing MySQL-python: Unable to find vcvarsall.bat Question: I was trying to install `mysql-python` using **pip** I'm getting the following error: error: Unable to find vcvarsall.bat ---------------------------------------- Failed building wheel for mysql-python ... ...
How to get python tcp server/client to allow multiple clients on ant the same time Question: I have started to make my own TCP server and client. I was able to get the server and the client to connect over my LAN network. But when I try to have another client connect to make a three way connection, it does not work. Wh...
How do you get data from QTableWidget that user has edited (Python with PyQT) Question: I asked a similar question before, but the result didn't work, and I don't know why. Here was the original code: def click_btn_printouts(self): self.cur.execute("""SELECT s.FullName, m.PreviouslyMailed, m.next...
Replacing the existing MainWindow with a new window with Python, PyQt, Qt Designer Question: I'm new to Python GUI programming I'm have trouble making a GUI app. I have a main window with only a button widget on it. What i want to know is how to replace the existing window with a new window when an event occurs (such a...
how to import scripts as modules in ipyhon? Question: So, I've two python files: the 1st "m12345.py" def my(): return 'hello world' the 2nd "1234.py": from m12345 import * a = m12345.my() print(a) On ipython I try to exec such cmds: exec(open("f:...
Numpy not found in Python3 Question: I am trying to run numpy in Python 3, using the WinPy distribution. I put #!python3 at the top of the script, because I was told that is something that Winpy has that allows you to make it run in a certain version. If I run the script in the shell(Eclipse) it works fine, but when I ...
How can I replace the vowels of a word with underscores in python? Question: I'm a beginner learning the python language and I'm stumped on how take the vowels of a word and replacing them with an underscore. So far this is what I have come up with and it just doesn't work word = input("Enter a word: ")...
Getting PostgreSQL percent_rank and scipy.stats.percentileofscore results to match Question: I'm trying to QAQC the results of calculations that are done in a PostgreSQL database, using a python script to read in the inputs to the calculation and echo the calculation steps and compare the final results of the python sc...
Python how to convert a value with shape (1000L, 1L) to the value of the shape (1000L,) Question: I has a variable with a shape of (1000L, 1L), but the structure causes some errors for subsequent analysis. It needs to be converted to the one with the shape (1000L,). Let me be more specific. import numpy ...
python: could not broadcast input array from shape (3,1) into shape (3,) Question: import numpy as np def qrhouse(A): (m,n) = A.shape R = A V = np.zeros((m,n)) for k in range(0,min(m-1,n)): x = R[k:m,k] x.shape = (m-k,1) v = x + np.sin(x[0])*n...
scrapy - spider module def functions not getting invoked Question: My intention is to invoke start_requests method to login to the website. After login, scrape the website. Based on the log message, I see that 1\. But, I see that start_request is not invoked. 2\. call_back function of the parse is also not invoking. W...
calculating delta time between records in dataframe Question: I have an interesting problem, I am trying to calculate the delta time between records done at different locations. id x y time 1 x1 y1 10 1 x1 y1 12 1 x2 y2 14 2 x4 y4 8 2 x5 y5 12 I am trying to get some thing ...
How to call from function to another function Question: I am making a minesweeper game within python with pygame. import pygame, math, sys def bomb_check(): if check in BOMBS: print("You hit a bomb!") sys.exit def handle_mouse(mousepos): x, y = mousepos ...
Concerting Tweets to python dictionary Question: I want to analyse twitter data.I have downloaded some tweets and saved them in a .txt file. When I tried to extract useful information from the tweets data , i was not able to make any progress because for a beginner like me it seems very difficult to extract tweets , l...
issue passing URL from json config file to python script Question: I'm currently writing a small python script to monitor all Urls within my teams pool of web apps. I have a python script that basically runs in an infinite loop and will check the urls every 60 min. My issue lies in pulling my url's from my json config....
Python 3 Pandas Filter/Extract by multiple column values, including <> 0 Question: Working with a publicly available csv file from USASPENDING.gov. Able to extract data from Navy but do not know the right syntax to add a second filter to exclude all records with `Dollarsobligated = 0`. Code is: import p...
Python time error: mktime overflow Question: While working with Python's `time` module I got this error: > `OverflowError: mktime argument out of range` What I have found concerning this was that the time might be outside of the epoch and therefore can not be displayed on my windows enviroment. However the code test...
PyQt: How do I load a ui file from a resource? Question: In general, I load all my ui files via the `loadui()` method, and this works fine for me. This looks like this: #!/usr/bin/env python #-*- coding:utf-8 -*- ''' The modules for Qt are imported. PyQt are a set of Python bindings ...
python3 12 digits script each digit equal three time beore him? Question: Write a program that displays **12 digits** , each digit is equal to three times the digit before him. I tried to code like this a , b , c = 1 , 1 , 1 print(c) while c < 12 : # for looping c =...
pip show xml shows Null Question: I am using Python 2.7.12,tried import xml.etree # successfully imported, tried import lxml.etree # successfully imported. when i tried to get the version of xml through pip show xml #Result is Null pip show lxml show version...
How to save the edited .csv file in python Question: I have sensor readings stored in csv files and now I am adding some more values to these files. How can I save these files in new locations in csv format for future use. Answer: Take a look at this guide: <http://www.pythonforbeginners.com/systems- programming/usin...
IOError: [Errno socket error] using BeautifulSoup Question: I am trying to get the data from US Census website using beautiful soup with Python 2.7. This is the code that I use: import urllib from bs4 import BeautifulSoup url = "https://www.census.gov/quickfacts/table/PST045215/01" html ...
Python, QT and matplotlib scatter plots with blitting Question: I am trying to animate a scatter plot (it needs to be a scatter plot as I want to vary the circle sizes). I have gotten the matplotlib documentation tutorial [matplotlib documentation tutorial ](http://matplotlib.org/examples/animation/rain.html) to work i...
Python 3 pandas directory search for a string in filename Question: Hello again StackExchange! Attempting to print all files in a directory but this time I only want to print all of the .csv files that have the string ..."AMX_error"...csv somewhere in the filename. I have the "all .csv" working, but am missing that bi...
Python writing (xlwt) to an existing Excel Sheet, drops charts and formatting Question: Am using python to automate some tasks and ultimately write to an existing spreadsheet. Am using the xlwt, xlrd and xlutils modules. So the way I set it up is to open the file, make a copy, write to it and then save it back to the ...
Python user input file path Question: I am working on an easy project which requires user input a path for program and goes to this path Here, I Worte on OSX: from pathlib import Path def main(): user_input_path = Path(input()) And debug like this >>> /Users/akrios/D...
Split timestamp column CSV Question: I have a CSV file in the following format: name, lat, lon, alt, time id1, 40.436047, -74.814883, 33000, 2016-01-21T08:08:00Z I am trying to use Python to split the time into new columns so it looks like this: name, lat, lon, alt, year, month, ...
Access docker bridge using docker exec Question: first of all, I'm a totally n00b in docker, but I got into a project that are actually running in docker, so I've been reading about it. My problem is, I have to inspect my development environment in a mobile device(iOS). I tried to access by my docker ip because this i...
Automatically find all latitude and longitude of all my locations Question: I have a long list of vendors I would like to find the latitude and longitude for. I already have the addresses. Is this something I can do using Python? or can I do it with another language? I just started learning Python. Answer: The proc...
Parsing floating number from ping output in text file Question: So I am writing this python program that must extract the round trip time from a text file that contains numerous pings, whats in the text file I previewed below: 64 bytes from a104-100-153-112.deploy.static.akamaitechnologies.com (104.100....
cannot import name multiarray Django Apache2 Question: I am currently running a django app on an ec2 with apache. The app works fine when I run it using djangos runserver command. However I receive a 'cannot import name multiarray' when I run it using apache. I have tried reinstalling numpy and various packages many ti...
Command line arguments not being passed in sbatch Question: I am trying to submit a job using the SLURM job scheduler and am finding that when I use the `--export=VAR=VALUE` syntax then some of my variables are not being passed (often the variable in the first instance of `export`). My understanding is that I need to s...
How can I write a C function that takes either an int or a float? Question: I want to create a function in C that extends Python that can take inputs of either float or int type. So basically, I want `f(5)` and `f(5.5)` to be acceptable inputs. I don't think I can use `if (!PyArg_ParseTuple(args, "i", $value))` becaus...
Checking if string contains valid Python code Question: I am writing some sort of simple web-interpreter for vk.com . I look for messages, check if they are valid Python code, and then I want to execute that code, and return any `stdout` to code sender. I have implemented anything but code checker. impor...
Sum of difference of squares between each combination of rows of 17,000 by 300 matrix Question: Ok, so I have a matrix with 17000 rows (examples) and 300 columns (features). I want to compute basically the euclidian distance between each possible combination of rows, so the sum of the squared differences for each possi...