Learn Python Programming

For two dictionaries d1 and d2 defined as d1 = {'foo':123, 'bar':789} d2 = {'b… Read more Python 3.6+: Equality Of Two Dictionaries With Same Keys But In Different Order

I want to redirect all requests to http to https. Is there a generic approach to setting wsgi.url… Read more How To Set Wsgi.url_scheme To Https In Bottle?

I have a Jupyter notebook and I have cells containing markdown like this: \begin{align} 0 + S(a) &a… Read more Can I Make Tags In Markdown/latex Linkable? (jupyter Notebook)

Is it possible to play chords using pyaudio? Solution 1: Of course! Just generate the result and p… Read more Is It Possible To Play Two Notes At Once With Pyaudio?

How to make this code more efficient in Spark? I need to calculate minimum, maximum, count, mean fr… Read more How To Optimize This Code On Spark?

i want to crawl this site by Python-Scrapy i try this class Parik(scrapy.Spider): name = 'o… Read more Why Scrapy Returns An Iframe?

I would like to change the base class of a class at runtime using __new__. I looked as hard as I co… Read more Changing The Base Class Of A Class With __new__

Good day! I'm using python 3.5.2 with qt5, pyqt5 and sip14.8. I'm also using the latest pyi… Read more Missing Dll Files When Using Pyinstaller

I have a node.js application that deploys to heroku and runs well (has a simple Procfile that says … Read more Deploying Node.js App That Uses Python-shell To Heroku

My function returns None. I have checked to make sure all the operations are correct, and that I ha… Read more Embedded Function Returns None

I am writing a program in Python 3 that will take data from a csv file, make adjustments to it and … Read more Calling Command Line Arguments In Python 3

I'm using AbstractBaseUser for my user models in various projects. Updating to Django 1.8 RC1 w… Read more Django 1.8 Rc1: Programmingerror When Creating Database Tables

I'm doing some matrix calculations (2d) that only involve values in the upper triangle of the m… Read more Is There A Way To Speed Up Numpy Array Calculations When They Only Contain Values In Upper/lower Triangle?

I have a pandas dataframe: index data1 data2 1 30 20 2 20 10 3 … Read more Elegant Way To Produce Description Of Columns Based On Column Data

I have rows of data (per second) that I used to resample by two hour, and for each feature I applie… Read more How To Do Backward Resampling On Time Series Data Starting From The Last Row?

I have two lists: list1 = ['abc-21-6/7', 'abc-56-9/10', 'def-89-7/3', '… Read more Python: Subset Elements In One List Based On Substring In Another List, Retain Only One Element Per Substring

I have a list like this: d1= {'Hiraki': {'Hiraki_2': ['KANG_751']}, 'L… Read more Convert A Mixed Nested Dictionary Into A List

I'm super new to coding (actually trying to teach myself some Python), but there's a thing … Read more The "git" Command Requires The Command Line Developer Tools. Would You Like To Install?

I am implementing an emotion analysis using lstm method, I have already trained my model and I am d… Read more Unable To Create Dataframe From Output Obtained

I'm trying to train LSTM network on data taken from a DataFrame. Here's the code: x_lstm=x.… Read more Valueerror: Data Cardinality Is Ambiguous

I have a list of numbers, for example: list= [1, 2, 4, 1, 2, 4, 1, 2, 4] You can see the obvious r… Read more Finding Integer Pattern From A List

I must listen to incoming connections but at the same time I have to receive the messages from the … Read more Python Socket Server: Listening To Multiple Clients

Is it possible to vectorize the insertion of rows? I have a large 2D numpy array arr (below) and a … Read more Python/numpy: Vectorizing Repeated Row Insertion In A 2d Array

I have the following pandas df: Window 5 … Read more Flatten 3 Level Multiindex Pandas Dataframe

I have recently started using Python. I have a database called student in Couchdb. I have attribute… Read more How To Display All Documents In Couchdb Using Python

Edit #2 Solution found; see below. I'm writing a small application in Flask using VirtualEnv. T… Read more Virtualenv/pip Trying To Install Packages Globally

First, I was able to fix the ImportError. I figured out that it was because the Django version of p… Read more Django Operationalerror: No Such Column: On Pythonanywhere

I have an object that should signal that a value has changed by emitting a signal with the new valu… Read more Pyqt Signal With Arguments Of Arbitrary Type / Pyqt_pyobject Equivalent For New-style Signals

I need to print a sequence of odd numbers in increasing order. I can solve it only in decreasing or… Read more How To Print Odd Numbers In Increasing Order?

I have a list of lists and I am trying to make a dictionary from the lists. I know how to do it us… Read more Dict Comprehension Python From List Of Lists

I am familiar with expect script so I feel a bit odd when I first use pexpect. Take this simple scr… Read more Is It Possbile To Let Pexpect Output The Texts It Matches?

I am not able to get the left pane edge visible. %pylab inline from mpl_toolkits.mplot3d import axe… Read more 3d Figures From Matplotlib Visibility Of Pane Edge

The problem I want to merge a dictionary onto the end of a list that I am generating using a For lo… Read more Merging Dictionary Into List Issues - Python

I want to mock flask-login's current_user under the template rendering. This function return th… Read more How To Mock `current_user` In Flask Templates?

I have a weird problem. Does anyone see anything wrong with my code? for x in questions: forms… Read more Python For Loop Skipping Every Other Loop?

Looking at twisted.words.protocols.irc.IRCClient, it seems to me like there are some strangely redu… Read more 'methodname' As Client Method Versus Irc_'methodname' In Twisted

I have a gui application I put text into text box1, text box2,and then click on the pushButton, Th… Read more How Do I Call An Gui Object Or More From Main Class

I have 10000 jsons with different ids each has 10000 names. How to flatten nested arrays by mergin… Read more Pyspark: How To Flatten Nested Arrays By Merging Values In Spark

I'm trying to serialize my views, and I get this error about http status code must be an intege… Read more Error Http Status Code Must Be An Integer,

I've tried everything to write just one byte to a file in python. i = 10 fh.write( six.int2byt… Read more How To Write 1 Byte To A Binary File?

I have several python projects with different set of dependencies listed in pip requirements files.… Read more Check Requirements For Python 3 Support

I am attempting to save matplotlib animations to a movie via ffmpeg on Ubuntu 12.04 LTS (32-bit Des… Read more Matplotlib Animation Moviewriters Fails On Ubuntu 12.04

I am trying to parse a huge XML file ranging from (20MB-3GB). Files are samples coming from differe… Read more Efficient Way Of Xml Parsing In Elementtree(1.3.0) Python

Pip doesn't seem to build dependencies from source on my Ubuntu server, while it always does th… Read more Python Pip Doesn't Build Dependencies During Installation

I am a heavy Matlab programmer and need to accomplish a task which Matlab can't do natively. Fo… Read more Assistance, Tips And Guidelines For Converting Matlab Code To Python

I'm a pandas learner. I have a dataframe with the column 'DATE', the datetime format of… Read more How To Change Datetime Format In Dataframe With Using Pandas?

I have a somewhat complex sql query that should update multiple columns on multiple rows in a table… Read more How Can I Update Multiple Columns On Multiple Rows In Postgresql Using Psycopg2

I want to constantly scrape a website - once every 3-5 seconds with requests.get('http://www.ex… Read more Bypass Rate Limit For Requests.get

Is there a way to install/generate the documentation for the packages installed using pip? I wish t… Read more Python Pip - Install Documentation For Packages?

I'm working with Z3 in Python and am trying to figure out how to do String operations. In gener… Read more Z3 String/char Xor?

I currently have the following dataframe: Current df: type part number part d… Read more How To Pivot A Dataframe With Pandas So Variable Columns Become Rows?

I'm trying to generate a random number between 0.1 and 1.0. We can't use rand.randint becau… Read more Generate Random Number Between 0.1 And 1.0. Python

I'm trying to import the tkinter module into my script. I have it installed since the interpret… Read more Why Is This Module Not Being Found When I Run The Script But Is In The Interpreter?

I have a date column in a dataframe in the format yyyy/mm/dd like this: Date 2016/08/22 2016/08/10 … Read more How To Change The Format Of Date In A Dataframe?

I am using Python my list is str = ['Hello dude', 'What is your name', 'My name… Read more Extract Each Word From List Of Strings

I have installed python 2.6.6 and python 2.5.5 on the same machines (Ubuntu 10.0.4), since 2.6 is m… Read more Installing Modules For Multiple Python Versions

These codes provide send data via User Datagram Protocol. There are two codes at below. When I use … Read more Unreachable Ip Socket Close Time In Windows Os

I have two tensors: a = tf.placeholder(tf.float32, [None, 20, 100]) b = tf.placeholder(tf.float32, … Read more Concatenate 3d Tensors By Cloning One Tensor?