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Showing posts from July, 2024

Flask-sqalchemy And Oracle Database Id Not Autoincrement

I want to make a new table in my database (Oracle 11g but the Express Edition for Ubuntu 16.04) usi… Read more Flask-sqalchemy And Oracle Database Id Not Autoincrement

Sympy: Lambdify Such That Operations On Arrays Always Result In Arrays, Also For Constants?

I need to evaluate the derivative of functions (f') given by the user in many points. The point… Read more Sympy: Lambdify Such That Operations On Arrays Always Result In Arrays, Also For Constants?

Constructing Np.array With Overlapping Fields In Dtype

I have a dtype as follows: pose_dtype = np.dtype([('x', np.float64), ('y', np.float… Read more Constructing Np.array With Overlapping Fields In Dtype

Create A Restricted Area

I'm trying to build a restricted area for a website in which only the registered user can see h… Read more Create A Restricted Area

Send Keyboard Event Using Subprocess

I have two python scripts. First one is just a script waiting for user keyboard input. When user pr… Read more Send Keyboard Event Using Subprocess

Seaborn Boxplot And Stripplot Points Aren't Aligned Over The X-axis By Hue

I have the following code to draw a boxplot and overlay all data points on the bars. import pandas … Read more Seaborn Boxplot And Stripplot Points Aren't Aligned Over The X-axis By Hue

I Am Getting Error [ Socket.gaierror :[errno 11004] Getaddrinfo Failed]

Here the code snippet: import socket,sys s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM) MAX… Read more I Am Getting Error [ Socket.gaierror :[errno 11004] Getaddrinfo Failed]

Updating Context Data In Formview Form_valid Method?

I have a class QuestionView which is derived from the FormView class. Here is a code snippet to exp… Read more Updating Context Data In Formview Form_valid Method?

Fitting An Ellipse To A Set Of Data Points In Python

I have a 2D points (x,y), and I want to fit the ellipse using this post fit a ellipse in Python gi… Read more Fitting An Ellipse To A Set Of Data Points In Python

Exclude Some Lines By Keywords While Parsing Txt File

Im trying to parse txt files which contains lists of directories and files in it. Im intrested in &… Read more Exclude Some Lines By Keywords While Parsing Txt File

Pyserial [error 5] Access Is Denied

I am trying to write a program in Python that will loop to keep checking the serial port (COM4) and… Read more Pyserial [error 5] Access Is Denied

How To Group A Pandas Dataframe Which Has A List Of Combinations?

I have a pandas dataframe which has results of record similarity. For example, rowid 123 is similar… Read more How To Group A Pandas Dataframe Which Has A List Of Combinations?

Watching For File Changes Within A Directory

Possible Duplicate: How do I watch a file for changes using Python? Detect File Change Without Poll… Read more Watching For File Changes Within A Directory

Pygame Change Cursor To Os Cursor

Is there a simple way to use pygame to switch to an OS-defined cursor? For example, switching to th… Read more Pygame Change Cursor To Os Cursor

Python Replace Multiple Strings While Supporting Backreferences

There are some nice ways to handle simultaneous multi-string replacement in python. However, I am h… Read more Python Replace Multiple Strings While Supporting Backreferences

How To Specify Python Version And Library Versions For Pyinstaller Executable

When creating an executable file using PyInstaller, how can I bundle a specific Python interpreter … Read more How To Specify Python Version And Library Versions For Pyinstaller Executable

How To Add The Characters Between The Strings With Conditions

if %20 there in the string it has to replace with OR, abc %20 def. Expected out -- > '*abc* … Read more How To Add The Characters Between The Strings With Conditions

How To Combine 3 Complex Data Frames In Pandas

I have 3 pandas data frames named df1, df2 and df3 df1: match_up result 0 1985_1116_… Read more How To Combine 3 Complex Data Frames In Pandas

Pandas Dataframe - Get Index Values Based On Condition

I have a text file called data.txt containing tabular data look like this: … Read more Pandas Dataframe - Get Index Values Based On Condition

How To Use '?' To Extract Optional Substring Between Two Matching Pattern In Python?

I was answering this question. Consider this string str1 = '{'show permission allowed to 16… Read more How To Use '?' To Extract Optional Substring Between Two Matching Pattern In Python?

Use Of Node-python To Execute Python Scripts From Web Application Hosted Under Python?

I've written python scripts for some numerical analysis topics and so I want to plot them in a … Read more Use Of Node-python To Execute Python Scripts From Web Application Hosted Under Python?

How To Draw Multiple Line Graph By Using Matplotlib In Python

I want to create a Full 12 Leads EKG graph by using matplotlib in Python 2.7, so I had already wrot… Read more How To Draw Multiple Line Graph By Using Matplotlib In Python

Downloading Public Files In Google Drive (python)

Suppose that someone gives me a link that enables me to download a public file in Google Drive. I w… Read more Downloading Public Files In Google Drive (python)

How To Pass To Rows Multiple Groups Of Columns?

This is the continuation of my previous question. I have the data set: df = ID GROUP_1 GROUP_2… Read more How To Pass To Rows Multiple Groups Of Columns?

How To Access An Mtp Usb Device With Python

How can I read from and write to my Galaxy Nexus phone, using MTP over a USB cable in python? I'… Read more How To Access An Mtp Usb Device With Python

Nltk. Punkt Not Found

As the title suggests, punkt isn't found. Of course, I've already import nltk and nltk.down… Read more Nltk. Punkt Not Found

How Do I Resize Rows With Setrowheight And Resizerowtocontents In Pyqt4?

I have a small issue with proper resizing of rows in my tableview. I have a vertical header and no … Read more How Do I Resize Rows With Setrowheight And Resizerowtocontents In Pyqt4?

Grid Search Fit Not Accepting List Of Tensors

I have a siamese network and I want to perform a grid seach on it using GridSearchCV. So I create a… Read more Grid Search Fit Not Accepting List Of Tensors

Get All Permutations Of A Numpy Array

I have a numpy array [0, 1, 1, 2, 2, 0, 1, ...] which only contains the numbers 0-k. I would like t… Read more Get All Permutations Of A Numpy Array

F2py With Intel Fortran Compiler

I am trying to use f2py to interface my python programs with my Fortran modules. I am on a Win7 pla… Read more F2py With Intel Fortran Compiler

Tkinter: Runtimeerror: Threads Can Only Be Started Once

but I'm trying to make the GUI for my script, when I click bt_send I start a thread (thread_env… Read more Tkinter: Runtimeerror: Threads Can Only Be Started Once

Identical Tuples Give Different Pickles

The situation is pretty strange and I expect that there is something that I don't know about th… Read more Identical Tuples Give Different Pickles

Django Convert Json To Csv

I am working on a function to load data from Data SF and download it as a CSV. I can make a query t… Read more Django Convert Json To Csv

Create Loop To Extract Urls To Json And Csv

I set up a loop to scrape with 37900 records. Due to the way the url/ server is being set up, there… Read more Create Loop To Extract Urls To Json And Csv

How Can I Disable Horizontal Scrolling In A Tkinter Listbox? (python 3)

Say in Tkinter you have a listbox of a certain size within a window. Then let's say you add a s… Read more How Can I Disable Horizontal Scrolling In A Tkinter Listbox? (python 3)

Convert All Charfield Form Field Inputs To Lowercase In Django Forms

I am using a Django form for user signup, where the user is able to enter a coupon code. I want all… Read more Convert All Charfield Form Field Inputs To Lowercase In Django Forms

Why Does Python 2.x Throw An Exception With String Formatting + Unicode?

I have the following piece of code. The last line throws an error. Why is that? class Foo(object): … Read more Why Does Python 2.x Throw An Exception With String Formatting + Unicode?

Downloading Random.py Using Anaconda

I am trying to download the random module and was wondering if I copy a code and put it in a file e… Read more Downloading Random.py Using Anaconda

Finding Indices For Repeat Sequences In Numpy Array

This is a follow up to a previous question. If I have a NumPy array [0, 1, 2, 2, 3, 4, 2, 2, 5, 5, … Read more Finding Indices For Repeat Sequences In Numpy Array

Working With Ssim Loss Function In Tensorflow For Rgb Images

I want to use SSIM metric as my loss function for the model I'm working on in tensorflow. SSIM … Read more Working With Ssim Loss Function In Tensorflow For Rgb Images

How To Use Reshape Keras Layer With Two None Dimension?

I have a keras 3D/2D model. In this model a 3D layer has a shape of [None, None, 4, 32]. I want to … Read more How To Use Reshape Keras Layer With Two None Dimension?

Invert Binary Numpy Array

is there a kind of 'logical no' for numpy arrays (of numbers of course). For example, consi… Read more Invert Binary Numpy Array

Decompress And Read Dukascopy .bi5 Tick Files

I need to open a .bi5 file and read the contents to cut a long story short. The problem: I have ten… Read more Decompress And Read Dukascopy .bi5 Tick Files

Does Sqlite Optimize A Query With Multiple And Conditions In The Where Clause?

In SQL databases (I use Python+Sqlite), how to make sure that, if we have 1 million rows, the query… Read more Does Sqlite Optimize A Query With Multiple And Conditions In The Where Clause?

Embed Widgets Into Qwindow

Basically I want to create a window using QtGui.QWindow() instead of QtWidgets.QMainWindow(). I wan… Read more Embed Widgets Into Qwindow

Python: Filter Dataframe In Pandas By Hour, Day And Month Grouped By Year

Being new to Pandas I had to dig a lot in order to find a solution to this problem. I would like to… Read more Python: Filter Dataframe In Pandas By Hour, Day And Month Grouped By Year

Python Capture Method Call And Parameters

I'm trying to capture a function call from a singleton class without override the method. Curr… Read more Python Capture Method Call And Parameters

All Possible Ways To Interleave Two Strings

I am trying to generate all possible ways to interleave any two arbitrary strings in Python. For ex… Read more All Possible Ways To Interleave Two Strings

Click Image 1 Time, Get Position And Destroy Window Opencv

Is there a simple way to open an image using OpenCv, and keep it open until it is clicked, then ret… Read more Click Image 1 Time, Get Position And Destroy Window Opencv

Get A Variable As Filename From Python Script And Use It In A Batch Script

I have a python script which gives the output as: The lastest filename of a directory. I want to us… Read more Get A Variable As Filename From Python Script And Use It In A Batch Script

Accessing Json Array In Python Without Referring To Its Name

I am new to python and I would like to understand how to access an array in a json object without r… Read more Accessing Json Array In Python Without Referring To Its Name

Not Able To Install Cloudstorage

after installing cloudstorage module using pip when i am trying to import getting following error.… Read more Not Able To Install Cloudstorage