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Showing posts from February, 2024

How To Generate A Set Of All Tuples Of Given Length And Sum Of Elements?

I would like to have a function that generates a set (or a list) of all possible tuples with a give… Read more How To Generate A Set Of All Tuples Of Given Length And Sum Of Elements?

Calling/selecting Variables (float Valued) With User Input In Python

I've been working on a computational physics project (plotting related rates of chemical reacta… Read more Calling/selecting Variables (float Valued) With User Input In Python

Adding Gaussian Noise To A Dataset Of Floating Points And Save It (python)

I'm working on classification problem where i need to add different levels of gaussian noise to… Read more Adding Gaussian Noise To A Dataset Of Floating Points And Save It (python)

Optimization Of An All-paths Algorithm

I've been successful using the following algorithm to complete all-path data up to path length … Read more Optimization Of An All-paths Algorithm

Need Help Making A Hilbert Curve Using Numbers In Python

I want to make a function that will create a Hilbert Curve in python using numbers. The parameters … Read more Need Help Making A Hilbert Curve Using Numbers In Python

Interleave Different Length Lists, Elimating Duplicates, And Preserve Order

I have two lists, let's say: keys1 = ['A', 'B', 'C', 'D', '… Read more Interleave Different Length Lists, Elimating Duplicates, And Preserve Order

Trapping Frame Entrance In Tkinter

I'd like to bind to entrance/exit to/from a Frame. That's pretty easy, but it seems that wh… Read more Trapping Frame Entrance In Tkinter

Design Of Asynchronous Request And Blocking Processing Using Tornado

I'm trying to implement a Python app that uses async functions to receive and emit messages usi… Read more Design Of Asynchronous Request And Blocking Processing Using Tornado

Template Matching Of A Single Template With Multiple Source Images

I have a template 'X'(symbol) which is cropped out of 'Image1'. I am using OpenCV&#… Read more Template Matching Of A Single Template With Multiple Source Images

Python Decode "\u041b" String

I have unicode string, i'm sure that it's UTF-8, but I can't decode it. The string is &… Read more Python Decode "\u041b" String

Python 2.7 Memory Leak With Scipy.minimze

During a fit procedure, my RAM memory slowly but steadily (about 2.8 mb every couple of seconds) in… Read more Python 2.7 Memory Leak With Scipy.minimze

Repeat Each Item In A List A Number Of Times Specified In Another List

I have two lists, x and y: >>> x = [2, 3, 4] >>> y = [1, 2, 3] I want to use the… Read more Repeat Each Item In A List A Number Of Times Specified In Another List

Ifelse On Pandas Data Frame Based On Strings Row Wise

This is an easy one. The task is to check if a string in one column contains all words stored in an… Read more Ifelse On Pandas Data Frame Based On Strings Row Wise

Reading Config File As Dictionary In Flask

in /instance/app.cfg I've configured : test=test In my flask file app.py : with app.open_inst… Read more Reading Config File As Dictionary In Flask

Replacing A Quadrilateral With A Square Generated From Pil.quad

I am working on a computer vision problem involving some basic transformations and could use your h… Read more Replacing A Quadrilateral With A Square Generated From Pil.quad

Pyenv Giving Shopt Command Not Found Error On Macos

I have been using pyenv for managing python versions and virtual environments on my mac for some ti… Read more Pyenv Giving Shopt Command Not Found Error On Macos

Can't Pip Install Tensorflow 'msvcp140_1.dll' Missing

I am currently trying to pip install tensorflow, which works but after I install it, and then impor… Read more Can't Pip Install Tensorflow 'msvcp140_1.dll' Missing

Detect Encoding In Wrongly Encoded Utf-8 Text File

I have an encoding issue. I have millions of text files that I need to parse for a language data sc… Read more Detect Encoding In Wrongly Encoded Utf-8 Text File

Matplotlib Plot Window Is White Blank Without Showing Any Image

I am on Mac OS 10.14.4. I have python installed in miniconda3 environment. Below is the list of pac… Read more Matplotlib Plot Window Is White Blank Without Showing Any Image

Elementnotinteractableexception Error When Using Headless Option

I get error when i try and run say below code. Error is ElementNotInteractableException: Message: … Read more Elementnotinteractableexception Error When Using Headless Option

Django: Getting Noreversematch While Submitting The Form, Url Has Slug

I am learning Django by building an application, called TravelBuddies. It will allow travelers to p… Read more Django: Getting Noreversematch While Submitting The Form, Url Has Slug

Attributeerror: 'request' Object Has No Attribute 'get'

When i make a POST request to my server, i get a 500 ERROR with comment: AttributeError: 'Requ… Read more Attributeerror: 'request' Object Has No Attribute 'get'

How To Reset Cumsum After Change In Sign Of Values?

In [46]: d = np.random.randn(10, 1) * 2 In [47]: df = pd.DataFrame(d.astype(int), columns=['da… Read more How To Reset Cumsum After Change In Sign Of Values?

Pyinstaller Seems Not To Find A Data File

Edit 3: I replaced __file__ with sys.argv[0], when I need to know the location of my script/executa… Read more Pyinstaller Seems Not To Find A Data File

Python Take The Last Number Of Each Line In A Text File And Make It Into A List

I just want the last number of each line. with open(home + '/Documents/stocks/' + filePath … Read more Python Take The Last Number Of Each Line In A Text File And Make It Into A List

How To Find All Variables With Identical Id?

Let's say I have a numpy array a and create b like this: a = np.arange(3) b = a If I now chang… Read more How To Find All Variables With Identical Id?

How To Import My Own Modules In Python 3.6?

Let's say I have a file like: Project0\pizza.py Project0\make_pizza.py and pizza: def make_pi… Read more How To Import My Own Modules In Python 3.6?

Issue A Post Request With Url_for In Flask

I'm trying to issue a POST request within a Jinja template in Flask. However, parameters are pa… Read more Issue A Post Request With Url_for In Flask

Ipv6 Dns Name Unresolved From Ipv4 Network

I am having a strange problem which seems to be a problem of ipv6 vs ipv4 dns names. I have a real… Read more Ipv6 Dns Name Unresolved From Ipv4 Network

-find Top X By Count From Mysql In Python?

I have a csv file like this: nohaelprince@uwaterloo.ca, 01-05-2014 nohaelprince@uwaterloo.ca, 01-05… Read more -find Top X By Count From Mysql In Python?

Method Not Allowed The Method Is Not Allowed For The Requested Url. 405 Error

I am new to building API. I am building a very Simple API: When executed, The HTML page displaying … Read more Method Not Allowed The Method Is Not Allowed For The Requested Url. 405 Error

Tensorflow Dataset From List Of Images In Keras Model

I'm trying to understand how to read local images, use them as TensorFlow Dataset and train Ker… Read more Tensorflow Dataset From List Of Images In Keras Model

Unicodedecodeerror: 'ascii' Codec Can't Decode Byte 0xc3 In Position

When I try to extract some pattern from a tagged text in nltk, I have the error: UnicodeDecodeErr… Read more Unicodedecodeerror: 'ascii' Codec Can't Decode Byte 0xc3 In Position

Variable In Xpath In Python Selenium When Calling Class And Function

I have the following class: class Sections(BasePage): CHOOSE_SECTION_SEL = (By.XPATH, '//*… Read more Variable In Xpath In Python Selenium When Calling Class And Function

Creating A Variable Name Dynamically

I have this code to create an interface and some buttons (python in maya) class mrShadowMapChangerU… Read more Creating A Variable Name Dynamically

Creating And Assigning Different Variables Using A For Loop

So what I'm trying to do is the following: I have 300+ CSVs in a certain folder. What I want to… Read more Creating And Assigning Different Variables Using A For Loop

User Signup Leads To Integrityerror

After a user signs up, the following IntegrityError is displayed: IntegrityError at /users/signup (… Read more User Signup Leads To Integrityerror

Qobject::connect: Cannot Queue Arguments Of Type 'object' In Pyside

I am using PySide (Python Qt binding). I have a worker thread of class QThread that updates the mai… Read more Qobject::connect: Cannot Queue Arguments Of Type 'object' In Pyside

How Convert An Int64 To Minutes ? Python Pandas

I would like to transform this column (format int64) to a minutes format to do calculation Duration… Read more How Convert An Int64 To Minutes ? Python Pandas

Determining A Variable's Type Is Nonetype In Python

I would like to check if a variable is of the NoneType type. For other types we can do stuff like: … Read more Determining A Variable's Type Is Nonetype In Python

For Loop To Iterate Through Words

My previous post caused a lot of confusion and it flooded with answers that is not relevant to my q… Read more For Loop To Iterate Through Words

Python - Date And Time: Attributeerror: 'module' Object Has No Attribute 'month'

This is my calendar code in Python and I have saved it to my folder as calendar.py. import calendar… Read more Python - Date And Time: Attributeerror: 'module' Object Has No Attribute 'month'

How Can I Reduce Memory Usage Of Scikit-learn Vectorizers?

TFIDFVectorizer takes so much memory ,vectorizing 470 MB of 100k documents takes over 6 GB , if we … Read more How Can I Reduce Memory Usage Of Scikit-learn Vectorizers?

Steps_per_epoch And Validation_steps For Infinite Dataset In Keras Model

I have a huge dataset of csv files having a volume of around 200GB. I don't know the total numb… Read more Steps_per_epoch And Validation_steps For Infinite Dataset In Keras Model

Bs4 Searching By Class_ Returning Empty

I currently am successfully scraping the data I need by chaining bs4 .contents together following a… Read more Bs4 Searching By Class_ Returning Empty

Pythonpath Variable Blank

According to documentation, sys.path is initialized from PYTHONPATH when python session starts. How… Read more Pythonpath Variable Blank

Gae Python Ndb .put Not Synchronous On Development (but Works In Production)?

The following below should create a Counter model and use (deferred) tasks to increment the counter… Read more Gae Python Ndb .put Not Synchronous On Development (but Works In Production)?

Python - Trml2pdf Generating A Blank Pdf

I use trml2pdf library in Python, but even when I use the examples, I get a blank PDF file. I run i… Read more Python - Trml2pdf Generating A Blank Pdf

Dictionary - 'str' Object Is Not Callable

I am new to Python and trying to create a user interface with options to insert, delete and update … Read more Dictionary - 'str' Object Is Not Callable

Line, = Plot(x,sin(x)) What Does Comma Stand For?

I'm trying to make an animated plot. Here is an example code: from pylab import * import time … Read more Line, = Plot(x,sin(x)) What Does Comma Stand For?

Pip Packages Not Found - Brewed Python

Running Python 2.7.3, installed with HomeBrew, on a mac. Installed several packages using PIP, incl… Read more Pip Packages Not Found - Brewed Python

How To Configure Yaml To Create Fresh Log Files Instead Of Appending Them?

In a python logger implementation given below, each time I run my program, the logs are appended ea… Read more How To Configure Yaml To Create Fresh Log Files Instead Of Appending Them?

Python Json.loads() Returns List Instead Of Dict

I have the following json from a API i'm getting via requests.get(). Now I want to turn this j… Read more Python Json.loads() Returns List Instead Of Dict

String Passed As " From Python Flask To Html Page

i'm developing Flask App. I want to transfer simple json from the app.py to the html page. Th… Read more String Passed As " From Python Flask To Html Page

Add Values From Two Dictionaries

dict1 = {a: 5, b: 7} dict2 = {a: 3, c: 1} result {a:8, b:7, c:1} How can I get the result? Soluti… Read more Add Values From Two Dictionaries

Beautifulsoup: Strip Specified Attributes, But Preserve The Tag And Its Contents

I'm trying to 'defrontpagify' the html of a MS FrontPage generated website, and I'm… Read more Beautifulsoup: Strip Specified Attributes, But Preserve The Tag And Its Contents

Pandas Write Table To Mysql: "unable To Rollback"

I need help to get this working. I have a pd.DataFrame (df), which I need to load to a MySQL databa… Read more Pandas Write Table To Mysql: "unable To Rollback"

Printing The Output Rounded To 3 Decimals In Sympy

I got a SymPy matrix M In [1]: from sympy import * In [2]: M = 1/10**6 * Matrix(([1, 10, 100], [100… Read more Printing The Output Rounded To 3 Decimals In Sympy

Get Sharepoint List With Python

I am trying to find any way possible to get a SharePoint list in Python. I was able to connect to S… Read more Get Sharepoint List With Python

Why Does Turtle Open An Even Smaller Screen When The Canvas Is Small?

I'm trying to draw on a small 200x200 screen using turtle, however the drawing doesn't pop … Read more Why Does Turtle Open An Even Smaller Screen When The Canvas Is Small?

Plugin Manager In Python

I am relatively new to python (already did some 1h scripts like a little webserver or a local netwo… Read more Plugin Manager In Python

Cx-freeze Doesn't Find All Dependencies

I have a python script (2.7) with some 'interesting' imports at the top. I initially wanted… Read more Cx-freeze Doesn't Find All Dependencies

How Can I Print The Learning Rate At Each Epoch With Adam Optimizer In Keras?

Because online learning does not work well with Keras when you are using an adaptive optimizer (the… Read more How Can I Print The Learning Rate At Each Epoch With Adam Optimizer In Keras?

Understanding Weightedkappaloss Using Keras

I'm using Keras to try to predict a vector of scores (0-1) using a sequence of events. For exam… Read more Understanding Weightedkappaloss Using Keras

Python Global Lists

I'm learning python, and am having a problem with global variables/lists. I'm writing a bas… Read more Python Global Lists

What Does "_" Mean In Lambda Function And Why Is It Used?

I have an anonymous function with '_' as parameters, I don't know what it means and why… Read more What Does "_" Mean In Lambda Function And Why Is It Used?

Missing Required Charfield In Django Is Saved As Empty String And Do Not Raise An Error

If I try to save incomplete model instance in Django 1.10, I would expect Django to raise an error.… Read more Missing Required Charfield In Django Is Saved As Empty String And Do Not Raise An Error

Python Setup.py Install Ignores Install_requires

I am unable to install the local packages using setup.py Here is the project structure: my-project/… Read more Python Setup.py Install Ignores Install_requires

Getting Total/free Ram From Within Python

From within a Python application, how can I get the total amount of RAM of the system and how much … Read more Getting Total/free Ram From Within Python

Code Completion For Custom Modules Not Working With Pydev

Let's say I make a module called mylib.py. In eclipse I type import mylib Then I type mylib. a… Read more Code Completion For Custom Modules Not Working With Pydev

Conditionally Aggregating Pandas Dataframe

I have a DataFrame that looks like: import pandas as pd df = pd.DataFrame([[1.0, 2.0, 3.0, 4.0, 5.… Read more Conditionally Aggregating Pandas Dataframe

Python Aes Decryption Routine (code Help)

I developed a code based on information available online regarding an AES Encryption and Decryption… Read more Python Aes Decryption Routine (code Help)