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PYTHON QUESTIONS

How to generate a pseudo random number based on previous number in Python
How to generate a pseudo random number based on previous number in Python
should help you out Your problem is that you're generating independent observations, when you need to capture the "close to the previous" behavior. You seem to be describing an autoregressive model, in particular an AR(1) process. If your next value
TAG : python
Date : November 16 2020, 09:01 AM , By : Avcode
Pandas DataFrame substring match not working
Pandas DataFrame substring match not working
should help you out OK, so the results of df.Sender.map(type).head() suggest that the items in the Sender column are not actually strings but instances of some other class (maybe something specific to the Outlook API?). object dtype columns can conta
TAG : python
Date : November 16 2020, 09:01 AM , By : user4574553
Python can't find my module
Python can't find my module
To fix the issue you can do Essentially, when you execute script.py directly, it doesn't know that it's part of a submodule of src, nor does it know where a module named src might be. This is the case in either python 2 or 3. As you know, Python find
TAG : python
Date : November 16 2020, 09:01 AM , By : anusha garlapati
Python read certain text from a single line
Python read certain text from a single line
hop of those help? So I was looking at ways to "grab" a certain part of a text file with Python, when you only know what comes before and after this particular text. I want something like this answer but for single lines. For example if I have a text
TAG : python
Date : November 16 2020, 09:01 AM , By : Kasun Elpitiya
How to change the resolution of .tif raster file without losing data
How to change the resolution of .tif raster file without losing data
Any of those help For example, A .tiff file of 400*200 size, I can read it as a 2-D array(400 x 200) in python. , With R you can do things like
TAG : python
Date : November 16 2020, 09:01 AM , By : Sagar Punjal
PyQt4 Import Error
PyQt4 Import Error
To fix the issue you can do I have solved the same problems, I find that the problem is in file 'pyuic4'. The wrong version python was setted.You can run code--which pyuic4--to find where is the pyuic4, and then open this file by texteditor(eg.Sublim
TAG : python
Date : November 16 2020, 09:01 AM , By : user4574488
Join each line from two files as one line using python
Join each line from two files as one line using python
around this issue I am trying to join lines of two files as one using python. Can anyone help me out on this: , Very close, just change the last line to:
TAG : python
Date : November 16 2020, 09:01 AM , By : Yopz Joson
How can I implement a for loop in Haskell that iterates through all values of a list?
How can I implement a for loop in Haskell that iterates through all values of a list?
Hope this helps I am new to Haskell as well as functional programming. I have been searching for a way to iterate through all values in a list, but haven't found any. , Here is the findIdentity part:
TAG : python
Date : November 16 2020, 09:01 AM , By : Florent974
Python iterating RegEx that extracts text from between delimiters
Python iterating RegEx that extracts text from between delimiters
To fix this issue I have a regex function that extracts string elements from in between two predefined separators (start end): , Using regular expressions with look-behind and look-ahead:
TAG : python
Date : November 15 2020, 09:01 AM , By : sfdcDev
Minesweeper game board in
Minesweeper game board in
With these it helps First notice that your board has one extra column and row. (Just use range(rows) and range(cols))Then pick random 'coordinates':
TAG : python
Date : November 15 2020, 09:01 AM , By : kavita lalkiya
IPython notebook: how to reload all modules in a specific Python file?
IPython notebook: how to reload all modules in a specific Python file?
this one helps. I define many modules in a file, and add from myFile import * to the first line of my ipython notebook so that I can use it as dependency for other parts in this notebook. , From the ipython docs:
TAG : python
Date : November 15 2020, 09:01 AM , By : Debbrat
Reading csv file using pandas where columns are separated by varying amounts of whitespace and commas
Reading csv file using pandas where columns are separated by varying amounts of whitespace and commas
like below fixes the issue You can specify a regular expression to be used as your delimiter, in your case it will work with [\s,]{2,20}, i.e. 2 or more spaces or commas:
TAG : python
Date : November 15 2020, 09:01 AM , By : Ganesh Diyya
Add specific method handler detail_route in Django Rest Framework
Add specific method handler detail_route in Django Rest Framework
should help you out One option is to handle both GET and POST with one detail_route-decorated handler and to do additional dispatching inside the handler:
TAG : python
Date : November 15 2020, 09:01 AM , By : Vipin N
Formatting a concatenated python string
Formatting a concatenated python string
like below fixes the issue You were attempting to perform the "format" operation prior to doing the concatenation. You can fix the precedence of operations by using parentheses:
TAG : python
Date : November 15 2020, 09:01 AM , By : felix
Python cannot install PyGObject
Python cannot install PyGObject
it helps some times Upstream PyGObject just does not support this. See the PyGObject win32 project or the MSYS2 project to get it easily.
TAG : python
Date : November 15 2020, 09:01 AM , By : Leroy96
Python List Equivalence
Python List Equivalence
wish help you to fix your issue The variables stateup statedown ... you have defined are all shallow copies of state. Because you have used [:] which makes a shallow copy of the list. So changing one of them changes all of them. You need to deep copy
TAG : python
Date : November 15 2020, 09:01 AM , By : Ludwring Liccien
Year range to date time format
Year range to date time format
fixed the issue. Will look into that further It looks like you subtracting the last year in column 2 with the first year in column 1. In which case I'd use str.extract (and convert the result to a number):
TAG : python
Date : November 15 2020, 09:01 AM , By : Tushar
How to separate list input by comma?
How to separate list input by comma?
Hope this helps Alright, I found it. This is the code that gives me the desired output if anyone will be interested:
TAG : python
Date : November 15 2020, 09:01 AM , By : Srikanth Chotu
Python Concatenate string with all members of a list and display each display result separated by commas
Python Concatenate string with all members of a list and display each display result separated by commas
I hope this helps you . You need a list comprehension and str.join(). From the documentation:
TAG : python
Date : November 15 2020, 09:01 AM , By : Gem
regexp for nvda to put spaces between all capital letters?
regexp for nvda to put spaces between all capital letters?
this one helps. This should do the trick for the capital letters, it uses ?= to look ahead for the next capital letter without 'eating it up':
TAG : python
Date : November 15 2020, 09:01 AM , By : Astrid V
Convert Cents to Euro
Convert Cents to Euro
this will help Because Python does not support any currency symbols in numbers, you need to convert a number to a string and append the currency ("€") character to it: str(13.37) + "€":
TAG : python
Date : November 14 2020, 09:01 AM , By : Hannibal
Parsing CSV File when header fields separated by Space
Parsing CSV File when header fields separated by Space
help you fix your problem https://docs.python.org/2/library/csv.htmlcsv.reader can take a delimiter as a parameter: So you could simply fix this by using csv.reader(log, delimiter=' ')
TAG : python
Date : November 14 2020, 09:01 AM , By : MikB
give names to start_urls in scrapy
give names to start_urls in scrapy
will help you Perhaps you want to override the start_requests() method instead of using start_urls?Example:
TAG : python
Date : November 14 2020, 09:01 AM , By : Simon
etree import not working- Python 2.7.5
etree import not working- Python 2.7.5
wish of those help ElementTree is a part of the standard Python library, you shouldn't need to install anything to get it to work.Using a standard install from IdeOne, shows your first line works, with no extra libraries.
TAG : python
Date : November 14 2020, 09:01 AM , By : Garth Jones
How transform list=[1,2,[3,4],[5,6],7,[8,9,10]] in list1=[1,2,3,4,5,6,7,8,9,10] in python?
How transform list=[1,2,[3,4],[5,6],7,[8,9,10]] in list1=[1,2,3,4,5,6,7,8,9,10] in python?
help you fix your problem Here is my answer. Firstly, don't call your list 'list'. This prevent us from using the builtin list keyword needed for this answer.
TAG : python
Date : November 14 2020, 09:01 AM , By : Luft
python reorder dictionary based on a combination of values
python reorder dictionary based on a combination of values
wish helps you I am trying to write a targeting priority script for an AI. My goal is to rank targets based on their score of damage_per_shot / rate_of_fire and reorder the list based on highest targeting priority. I finally hit an error I didn't kno
TAG : python
Date : November 14 2020, 09:01 AM , By : Kate Watkins
Find average in a 2D array
Find average in a 2D array
this will help I have 2D numpy array, represents x,y and z columns 'in fact they are points for a 3D image', where you can imagine x as an index repeating, y is the height , z is the value that i want to find out the average for, Example: , This is p
TAG : python
Date : November 14 2020, 09:01 AM , By : Giorgos Kapoglis
python using arrays to make a matrix
python using arrays to make a matrix
I wish this helpful for you Given the input you provide (i had to add commas between the items in the lists), and the output you want, this does the trick:
TAG : python
Date : November 14 2020, 09:01 AM , By : reza
Choose File names automatically based on a calculation and then import them to python
Choose File names automatically based on a calculation and then import them to python
wish helps you I hope I got what you meant but it wasn't that clear. When the user inputs the timestep, then only the files corresponding to that timestep are loaded and used further with your plotting function:I considered the following structure:
TAG : python
Date : November 14 2020, 09:01 AM , By : Chetan
How to get all alpha values of scikit-learn SVM classifier?
How to get all alpha values of scikit-learn SVM classifier?
To fix this issue As alpha values are by definition positive you can get it through taking abs of dual_coefs:
TAG : python
Date : November 14 2020, 09:01 AM , By : Youngjin Song
pandas data frames delta (subtraction)
pandas data frames delta (subtraction)
I wish did fix the issue. You can use a list comprehension together with join to create unique keys of each table consisting of the the first name, last name and the date field (I assumed date of birth). Each field needs to be converted to a string i
TAG : python
Date : November 14 2020, 09:01 AM , By : Irias
Function that takes a string representing a decimal number and returns it in binary format
Function that takes a string representing a decimal number and returns it in binary format
like below fixes the issue I'm trying to get a function to take a string dec, representing a decimal number, for example "11" and I want said function to return a string, which contains the corresponding binary format, in this case "1011". So this is
TAG : python
Date : November 14 2020, 09:01 AM , By : 藤根守
How to ignore all potential exceptions in Python?
How to ignore all potential exceptions in Python?
To fix the issue you can do Python has no way of doing that, and for good reasons.It seems you're confused about what does it mean to write "robust" software: a robust program is not a program that is hard to kill and that will keep running no matter
TAG : python
Date : November 14 2020, 09:01 AM , By : Michael Brown
Cartesian product of two 2d arrays
Cartesian product of two 2d arrays
wish help you to fix your issue You're probably storing the generated cartesian product.You're taking product of 2 dimensional arrays. Product of mxm and nxn matrices would produce (mmn*n) values.
TAG : python
Date : November 14 2020, 09:01 AM , By : Denise Teague
Import Error: No module named PyQT5 (Win7x64)
Import Error: No module named PyQT5 (Win7x64)
will help you Try import PyQt5 rather than PyQT5. If that fails as well, try from PyQt5 import * from PyQT5 import *. !
TAG : python
Date : November 14 2020, 09:01 AM , By : Md. Golam Mostofa
reading 14-bit data using i2c, python, and raspberry pi
reading 14-bit data using i2c, python, and raspberry pi
I wish this help you You should be masking the output of the sensor, not shifting it. e.g. reading = reading (max_output-1) should probably do it.The top two bits are the status bits, so if they are set sometimes they could mean things like: normal
TAG : python
Date : November 14 2020, 09:01 AM , By : Hacker17
How to disable button(or whole main window) in PyQt4 until the function returns 0
How to disable button(or whole main window) in PyQt4 until the function returns 0
wish of those help I have one web scraper script, let' call it scraper.py, that writes data to a database. I have made gui with tableWidget that displays database contents. Now, I have added a button that will call main() function from the scraper.py
TAG : python
Date : November 14 2020, 09:01 AM , By : Ashish Pandit
Merging median from one column by a key column - SFrame / Pandas
Merging median from one column by a key column - SFrame / Pandas
With these it helps You may do this in one-stage using transform:
TAG : python
Date : November 14 2020, 09:01 AM , By : wide
Searching for a string with Web.py
Searching for a string with Web.py
wish of those help I'm trying to build a python function with web.py and SQLite that will allow users to search for a given string within a description field and will return all matching results. , What do you think is going on with parser.py?
TAG : python
Date : November 14 2020, 09:01 AM , By : Raul Tim
python getting dictionary values in lists
python getting dictionary values in lists
help you fix your problem Been banging my head on desk! I have an url that is downloaded in json, then parsed_json = json.loads(response_body) to python dictionary. The issue is that data(embedded in dicts is in list) that is needed is in a dictionar
TAG : python
Date : November 14 2020, 09:01 AM , By : AbuNaif _ AlHarbi
Settings.py throws error when I try to import my custom backend
Settings.py throws error when I try to import my custom backend
it fixes the issue There is no reason to import your backend into settings. The AUTHENTICATION_BACKENDS setting, like all the other settings, takes a string path.
TAG : python
Date : November 14 2020, 09:01 AM , By : Elis Bill Bob Evans
TypeError: Float object is not iterable in my code
TypeError: Float object is not iterable in my code
I wish this helpful for you You return only one value, area. The other return statement is never reached, because the function is done when the first return statement is reached.Return both as a tuple instead:
TAG : python
Date : November 14 2020, 09:01 AM , By : Abhishek Atul
Returning boolean value if two sets share numbers
Returning boolean value if two sets share numbers
Hope this helps It's just your indentation that's wrong. Your code right now only returns True if you have the first number of set1 in set 2, as it returns True in the first iteration of the loop if i is not in set2. Just fix it like this:
TAG : python
Date : November 14 2020, 09:01 AM , By : Aqeel Awais
a bytes-like object is required, not 'str' JSON File opened as STR
a bytes-like object is required, not 'str' JSON File opened as STR
I hope this helps you . I've only learnt the basics of Python please forgive me but I was not able to determine the fix from the other posts. I open my JSON files with 'r' and I think I'm writing to them in r but it doesn't like that. Changing it to
TAG : python
Date : November 14 2020, 07:01 AM , By : StephanieD
Using Python's exec() function with formatted string?
Using Python's exec() function with formatted string?
should help you out I have a file containing my school schedule and I want to create a list from every line in the file. The file looks something like this:
TAG : python
Date : November 14 2020, 07:01 AM , By : metaljey
Python 3.5 crashes with Exception code: c0000005 on windows 7
Python 3.5 crashes with Exception code: c0000005 on windows 7
hop of those help? After the 50th time the script crashed in a random place inexplicably, I ran the windows memory diagnostic tool.Unfortunately it appears that my system has ram/hardware errors, which I understand would cause issues like this.
TAG : python
Date : November 14 2020, 07:01 AM , By : amosh
Having difficulty pointing Selenium towards the right iFrame [python]
Having difficulty pointing Selenium towards the right iFrame [python]
This might help you You don't need to switch to the iframe to get it's src. Just locate the element and use get_attribute() to retrieve the src attribute value:
TAG : python
Date : November 14 2020, 07:01 AM , By : nick
Why is Python giving an error when the command prompt is not?
Why is Python giving an error when the command prompt is not?
seems to work fine For some reason I used shell=False. If you change that to shell=True it works fine. When it is enabled it emulates the shell and works fine.
TAG : python
Date : November 14 2020, 07:01 AM , By : 15charactername
How to memoize method when one of its memoized parameters should be an instance variable
How to memoize method when one of its memoized parameters should be an instance variable
To fix the issue you can do If you want to implement this as a method decorator, here's one option that takes the state-relevant attribute names as arguments:
TAG : python
Date : November 14 2020, 07:01 AM , By : noobnoob
Maze Solving - Runtime Error
Maze Solving - Runtime Error
this will help You are getting stuck in infinite recursion because you are treating paths you have already been marked as potential paths. This is because you aren't marking your path before recurring. Instead of marking the path inside the check for
TAG : python
Date : November 14 2020, 07:01 AM , By : Andrey Hamidulin
"ImportError: cannot import name connect" when trying to import Stem
"ImportError: cannot import name connect" when trying to import Stem
With these it helps I am trying to go through Stem's tutorial for Python, using Ubuntu 14.04. After using sudo apt-get install python-stem and installing Stem, I found myself not knowing how to use it. , I was able to get it running by using:
TAG : python
Date : November 14 2020, 07:01 AM , By : Brenda Mcdonald
Suggestions on matlab/python conversion
Suggestions on matlab/python conversion
I hope this helps . I agree with @rayryeng that this question is off-topic. However, as I'm interested in matlab, python, and theoretical physics, I took the time to look through your code.There are multiple syntactical problems with it, and multiple
TAG : python
Date : November 14 2020, 07:01 AM , By : Samar Dallal
What is the non-deprecated way to display a stock icon in GTK3?
What is the non-deprecated way to display a stock icon in GTK3?
Does that help Looking at this C++ GitHub example, I'm surprised to discover a direct call to the static new() function rather than the constructor.So I decided to try it. Look carefully at the difference. It's subtle.
TAG : python
Date : November 14 2020, 07:01 AM , By : angle321
Python -- Split string into list through regex list
Python -- Split string into list through regex list
hope this fix your issue For what you are trying to achieve, split is not the right function. Write one regex and create a subexpression for each of the strings you want to parse. Start with something like ([\w\d]{5}).*?([,][0,1][1-9][/][0-3][0-9][/]
TAG : python
Date : November 14 2020, 07:01 AM , By : Scott W.
Two constructors in a Python Class
Two constructors in a Python Class
help you fix your problem It depends whether you just want to allow the user of your class to access a cached object, or if you want to force it to only access that cached object. With you solution, user can always use tiger2 = Animal('tiger', 0) to
TAG : python
Date : November 14 2020, 07:01 AM , By : sullyslegacy
Create set of Python functions
Create set of Python functions
I wish did fix the issue. Instead of having add_X functions for every type X, just create a single add function that adds an object which you create on the “outside” of the funcition:So add_animal(params…) becomes add(Animal(params…)), and add_genoty
TAG : python
Date : November 14 2020, 07:01 AM , By : user4573589
TypeError when writing to text file with write()
TypeError when writing to text file with write()
fixed the issue. Will look into that further The error message is a little confusing. It's quoting the line ('='*50), but the program actually crashes at
TAG : python
Date : November 14 2020, 07:01 AM , By : user4573575
Is %timeit applied to a function or reference via parameters in command line?
Is %timeit applied to a function or reference via parameters in command line?
Hope that helps I'm following a guide that suggests running %timeit following where following is a defined function. , I suspect that you are confusing %timeit with timeit:
TAG : python
Date : November 14 2020, 07:01 AM , By : Taner YILMAZ
Python 3 else for all previous ifs
Python 3 else for all previous ifs
I hope this helps you . As long as your first and second condition are mutally exclusive, you should always solve this with a single if/elif/else construct. Using your original example:
TAG : python
Date : November 14 2020, 07:01 AM , By : Martijn Perdaan
Python class variable dependencies
Python class variable dependencies
hop of those help? If have a class that looks something like , You'll need to write a function to do this:
TAG : python
Date : November 14 2020, 07:01 AM , By : xuezhiye

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