Python Dictionary

This is my scrapy code. import scrapy from scrapy.contrib.spiders import CrawlSpider, Rule from scr… Read more Getting Tcp Connection Timed Out: 110: Connection Timed Out. On Aws While Using Scrapy?

Advice please :) When I use this script: class CustomStreamListener(tweepy.StreamListener): de… Read more Typeerror: __init__() Takes At Least 4 Non-keyword Arguments (3 Given)

What i'm trying to do is query a Panda DataFrame in order to give me a filtered version of the … Read more How To Ignore Rows Where Blank Values Excist Pandas Python

Using Numpy and h5py, it is possible to create ‘compound datatype’ datasets to be stored in an hdf5… Read more H5py: Compound Datatypes And Scale-offset In The Compression Pipeline

I have Keras model that accepts inputs which have 4D shapes as (n, height, width, channel). However… Read more Overriding Keras Predict Function

After reading the permission Django documentation, I'm still confused. I'd like to prevent … Read more Django: A More Dry Way To Prevent Edit/delete Of Objects?

Let X, Y be 2 random variables, with probability density functions pdf1 and pdf2. Z = X + Y Then t… Read more Python: How To Get The Convolution Of Two Continuous Distributions?

I'm currently benchmarking an implementation of an AVL Tree I made against a non-rebalancing bi… Read more Grouping Parametrized Benchmarks With Pytest

I am validating my dataframe with below code, df = df[(df[['name', 'issuer_id', … Read more Avoiding Keyerror In Dataframe

I need know that if a email is sent correctly for to do several operations but the function always … Read more How Can I Know If A Email Is Sent Correctly With Django/python?

I created the following list comprehension in python: [int(a[0].internal_value).lower() if type(a[0… Read more Using If, Elif, Else In List Comprehensions, Python

Whenever I try to assign a range to a variable like so: Var1 = range(10, 50) Then try to print the… Read more Assign A Range To A Variable

is there a decent example how to use Pandas DataFrame.lookup Yes I saw this but not sure what's… Read more Pandas Dataframe.lookup

trying to lineplot simple temperature data from a sqlite3 database. New to python, not sure what I… Read more Graphing Sqlite3 Data With Reportlab

I have a numpy array of shape (?,n) that represents a vector of n-dimensional vectors. I want to fi… Read more Find Most Frequent Row Or Mode Of A Matrix Of Vectors - Python / Numpy

I tried using wget: url = https://yts.lt/torrent/download/A4A68F25347C709B55ED2DF946507C413D636DCA … Read more How To Download A File With .torrent Extension From Link With Python

Updated Question Following from my original post, with the use of @Attack68 's code, I have c… Read more Evolving Functions In Python

I am stumped by this one. I am just learning regular expressions and cannot figure out why this wil… Read more Python Regex Punctuation Recognition

class MySQL(object): def __init__(self): self.dbpool = adbapi.ConnectionPool( … Read more Twisted Adbapi: Runinteraction Last_insert_id()

I need to retrieve an arbitrary key from a python dictionary object. Suppose I have a dictionary d.… Read more Retrieve An Arbitrary Key From Python3 Dict In O(1) Time

I want to receive the user_registered signal from Flask-Security and have to set up like so: from f… Read more Not Getting Signal From Flask-security

I have two CSVs containing only one column, each: littleListIPs.csv: 10.187.172.140 10.187.172.141… Read more Comparing Csv Matching Rows With Python

I wanna get some data from site, which requires loggin in. I log in by requests url = 'http://e… Read more Python Dryscrape Scrape Page With Cookies

I've got a dataframe of golfers and their golf rounds in various tournaments (see dictionary of… Read more Average Values In Last N Days Pandas

Small question - what is better way for ordering items: 1) class Table(models.Model): ... … Read more Orm Ordering Vs Model "meta" Ordering - Django 1.11

Is it possible to create a contraint on a table and specify a value on one or more of the columns? … Read more Sqlachemy Uniqueconstraint With Conditional?

I used to run python setup.py install in a python project, it will just move the source to site-pac… Read more How To Make "python Setup.py Install" Install Source Instead Of Egg File?

I am pretty desperate, since I have tried to get this working in a long time. I'm making a text… Read more Pickle User Inputs - Python 3

I noticed that Pandas knows how to smartly format a timedelta object into a string. In [1]: df[colu… Read more String Formatting Of Timedeltas In Pandas

If I want to split a list of words separated by a delimiter character, I can use >>> '… Read more How To Quickly Parse A List Of Strings

I'm new with Python and I'm trying to use classes to program using objects as I do with C++… Read more Python: Isinstance() Undefined Global Name

I hope to write the join_lists function to take an arbitrary number of lists and concatenate them. … Read more Concatenate An Arbitrary Number Of Lists In A Function In Python

I've been trying to annotate individual points in a 3d scatter plot and getting them updated dy… Read more Dynamically Update Ax.text Position In 3d Scatter/point Plot's Using Funcanimation

I need to create a table called friends, it should looks like: friends: user_id friend_id I was t… Read more How To Create Relationship Many To Many In Sqlalchemy (python, Flask) For Model User To Itself

One of the answers in 'python way' to parse and conditionally replace every element in 2D l… Read more Why Will One Loop Modify A List Of Lists, But The Other Won't

I want to combine two arrays into a new array in O(1). Then, I want to change the values in this n… Read more Combine Numpy Arrays By Reference

I was trying to use python package to save some numerical calculation data to a file. I had seen op… Read more Python Numpy, Methods Of Save Data And Variables

Imagine the following simple example: def doNothing(): sleep(0.5) barVar.set(10) sleep(0.5) … Read more Tkinter: Updating Progressbar When A Function Is Called

I have already made all of the proper imports and I have tried looking for answers from other posts… Read more Deleting A Bot's Message In Discord.py

How do I obtain the rolling values of some length n of a pandas series of value ? For example, if I… Read more Pandas Rolling Values

General: I need help finding a way in python to get the max N items in a multi-dimensional python d… Read more Finding The Biggest Key In A Python Dictionary

i want to make a program that count pulses then it go through some equation and display it in the g… Read more Pyqt5 The Qlcnumber Doesnt Update

Suppose I have a directory A, and subdirectory B. I cd into A and launch lisp. In that lisp process… Read more Common Lisp: Launch Subprocess With Different Working Directory Than Lisp Process

Possible Duplicate: Short Description of Python Scoping Rules I wrote two simple functions: # cod… Read more Doubts About Python Variable Scope

so i have these 2 lists: score = [350, 914, 569, 223, 947, 284, 567, 333, 697, 245, 227, 785, 120, … Read more How Do I Index The 3 Highest Values In A List?

Here's my simple test script. Just trying to do a basic select statement. Found the basic bits … Read more Sqlalchemy Can't Connect To An Mssql Database

I already tried a solution from this question and this but failed (on of these solutions are presen… Read more Sqlalchemy Error, Multiple Foreign Keys References To The Same Table And Column

In Python 2, with a trick it is possible to create a class with several bases, although the bases h… Read more Is It Possible To Dynamically Create A Metaclass For A Class With Several Bases, In Python 3?

I have got the below problem. dict1 = {'a': 1, 'b': 2, 'c': 3, 'd':… Read more How To Extract Dictionary Values By Using Multiple Keys At The Same Time?

I would like to optimize the fitting of SIR model. If I fit the SIR model with only 60 data points … Read more Fitting Sir Model Based On Least Squares

I have a script that gets launched on boot, and it is possible that it would be launched before net… Read more Python: Network Calls Before Network Service Is Up

Most of the the other questions regarding updating values in pandas df are focused on appending a n… Read more How To Add And Update A Value In Pandas Df Each Time A New Value Is Found?

i have two python files communicating with socket. when i pass the data i took to stdin.write i hav… Read more Python Subprocess Stdin.write A String Error 22 Invalid Argument