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Showing posts from June, 2024

Find And Count Instance Of Substring Within Multiple Strings Using Python

I have a sql query within python with multiple sub-queries. So the set up is multiple substrings wi… Read more Find And Count Instance Of Substring Within Multiple Strings Using Python

Sharing Queue Between Threads Running In Different Modules

I have some modules in different packages for my project. This project requires several threads whi… Read more Sharing Queue Between Threads Running In Different Modules

Create Matrix Using Python

I have 6 text files (each corresponds to a specific sample) and each file looks like this: Gene_ID … Read more Create Matrix Using Python

Selenium Python: Can Not Connect To The Service %s" % Self.path

I am trying to run a selenium test with python script, but I am receiving the following error when … Read more Selenium Python: Can Not Connect To The Service %s" % Self.path

Replace Nan Values With The Unique Date (date In Numpy Array.)

I have written a code in a for loop: date = dit[x]['Time'].dt.date.unique() output: [datet… Read more Replace Nan Values With The Unique Date (date In Numpy Array.)

Can Rpy2 Code Be Run In Parallel?

I have some Python code that passes a data frame to R via rpy2, whereupon R processes it and I pul… Read more Can Rpy2 Code Be Run In Parallel?

How To Process Server Side Parameter Sent From Jquery Datatables Using Flask?

I am having some issues in processing the parameters sent by jquery datatables 1.10 when server sid… Read more How To Process Server Side Parameter Sent From Jquery Datatables Using Flask?

Excluding Source Files From Built Rpm Distribution With Setuptool

I have a typical project structure that looks as follows: EngineEmulator src ship … Read more Excluding Source Files From Built Rpm Distribution With Setuptool

Django Tutorial: Runserver Error

I'm following the django tutorial and i immediately ran into a problem on part 1. After runnin… Read more Django Tutorial: Runserver Error

Django Https Settings: Why Does Setting Both Session_save_every_request And Session_cookie_secure Break Sessions?

I'm trying to lock my django app down to only HTTPS access. Everything seems to work fine if on… Read more Django Https Settings: Why Does Setting Both Session_save_every_request And Session_cookie_secure Break Sessions?

Python Threading Or Multiprocessing For Web-crawler?

I've made simple web-crawler with Python. So far everything it does it creates set of urls that… Read more Python Threading Or Multiprocessing For Web-crawler?

Pandas.core.groupby.dataframegroupby.idxmin() Is Very Slow , How Can I Make My Code Faster?

i am trying to do same action as SQL group by and take min value : select id,min(value) ,other_fie… Read more Pandas.core.groupby.dataframegroupby.idxmin() Is Very Slow , How Can I Make My Code Faster?

Python : Raw_input And Print In A Thread

I have a thread which can print some text on the console and the main program have a raw_input to c… Read more Python : Raw_input And Print In A Thread

Getter Setter As Function In Python Class Giving "no Attribute Found" Error

import operator import re from ply import lex, yacc class Lexer(object): tokens = [ &… Read more Getter Setter As Function In Python Class Giving "no Attribute Found" Error

Tkinter Ttk: Background/foregound Color Will Not Work On My Computer

If I run this code via IDLE or a virtual environment in pycharm on both windows 10 and 7: import tk… Read more Tkinter Ttk: Background/foregound Color Will Not Work On My Computer

Avoid Deepcopy Due To Performance

I have a list with another 3 lists in it. I need to do some operations on the lists, as i have like… Read more Avoid Deepcopy Due To Performance

Stop Beautifulsoup From Removing Whitespace

BeautifulSoup is removing whitespace between before newlines tags: print BeautifulSoup(' \n… Read more Stop Beautifulsoup From Removing Whitespace

Get Week Start Date (monday) From A Date Column In Python (pandas)?

I have seen a lot of posts about how you can do it with a date string but I am trying something for… Read more Get Week Start Date (monday) From A Date Column In Python (pandas)?

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

Plt.scatter Cannot Recognize A Cmap Generated By Listedcolormap()

I am trying to customize a Colormap with ListedColormap() for a scatter plot. Here is a dataset for… Read more Plt.scatter Cannot Recognize A Cmap Generated By Listedcolormap()

Sending A Http Request Using Python

I have intercepted an HTTP request using FIDDLER. I would like to send the same request, just this … Read more Sending A Http Request Using Python

Flatten A Nested List Of Variable Sized Sublists Into A Scipy Array

How can I use numpy/scipy to flatten a nested list with sublists of different sizes? Speed is very … Read more Flatten A Nested List Of Variable Sized Sublists Into A Scipy Array

How To Define Bigquery Schema Using Standard Sql?

I'd like to use BigQuery Standard SQL in a new project, however I am not able to find any examp… Read more How To Define Bigquery Schema Using Standard Sql?

Errno 111 Connection Refused - Python Mininet Api Hosts Client/server No Connection?

I am new to Mininet and I am trying to find a way to use a script in python to execute a few tests… Read more Errno 111 Connection Refused - Python Mininet Api Hosts Client/server No Connection?

Pandas Randomly Replace K Percent

having a simple pandas data frame with 2 columns e.g. id and value where value is either 0 or 1 I w… Read more Pandas Randomly Replace K Percent

How To Use Arrays To Access Matrix Elements?

I need to change all nans of a matrix to a different value. I can easily get the nan positions usin… Read more How To Use Arrays To Access Matrix Elements?

I Don't Know __iter__ In Python,who Can Give Me A Good Code Example

my code run wrong class a(object): def __iter(self): return 33 b={'a':'aaa&… Read more I Don't Know __iter__ In Python,who Can Give Me A Good Code Example

Python :raise Error_perm, Resp Ftplib.error_perm: 500?

i'm trying to Copy my file from c:\test to my FTP folder ; This is my code : import ftplib impo… Read more Python :raise Error_perm, Resp Ftplib.error_perm: 500?

Pivots Using Pyexcelerator/xlrd

How can I go about creating a worksheet (within an excel workbook) with a pivot table using python … Read more Pivots Using Pyexcelerator/xlrd

Python: Using Raw Socket With Osx

I found this code online and found that it doesn't work on OSX. Does anyone know the correct me… Read more Python: Using Raw Socket With Osx

Numpy.ndarray Vs Pandas.dataframe

I need to make a strategic decision about choice of the basis for data structure holding statistica… Read more Numpy.ndarray Vs Pandas.dataframe

Catch Sysloghandler's Output

Following advice, I'm planning to log errors from several time critical python processes (clien… Read more Catch Sysloghandler's Output

Psexec Run Python Script Passed From Host

I am trying to run a python script on a remote computer via psexec. I am able to connect and run p… Read more Psexec Run Python Script Passed From Host

Python: Select() Doesn't Signal All Input From Pipe

I am trying to load an external command line program with Python and communicate with it via pipes.… Read more Python: Select() Doesn't Signal All Input From Pipe

Python - Best/cleanest Way To Define Constant Lists Or Dictionarys

First time user on stack overflow and I'm excited to be here. INTRO: I recently began the magic… Read more Python - Best/cleanest Way To Define Constant Lists Or Dictionarys

Adapt Existing Code And Kernel Code To Perform A High Number Of 3x3 Matrix Inversion

Following a previous question ( Performing high number of 4x4 matrix inversion - PyCuda ), consider… Read more Adapt Existing Code And Kernel Code To Perform A High Number Of 3x3 Matrix Inversion

Singing In Telegramclient Telethon

After running the code, I try to enter a password (but I don’t have it) and can’t enter anything. I… Read more Singing In Telegramclient Telethon

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

Python3 Qt Unicode File Name Problems

Similar to QDir and QDirIterator ignore files with non-ASCII filenames and UnicodeEncodeError: '… Read more Python3 Qt Unicode File Name Problems

Python 3 - On Converting From Ints To 'bytes' And Then Concatenating Them (for Serial Transmission)

After much fruitless searching... I am having a very specific issue understanding the way 'byte… Read more Python 3 - On Converting From Ints To 'bytes' And Then Concatenating Them (for Serial Transmission)

Using Ctypes To Load A Specific Runtime Library (msvcrt80)

We're using ctypes.windll to load a third-party library. This library uses 'MSVCRT80' a… Read more Using Ctypes To Load A Specific Runtime Library (msvcrt80)

Simplehttpserver And Socketserver

I have created a 'handler' python script as follows: import SimpleHTTPServer import SocketS… Read more Simplehttpserver And Socketserver

Python Pandas: Flatten With Arrays In Column

I have a pandas Data Frame having one column containing arrays. I'd like to 'flatten' i… Read more Python Pandas: Flatten With Arrays In Column

How Do I Connect To Sql Server Running Inside Docker On Mac Using Python3?

I want to connect to my SQL Server database running in a Docker container using Python. Currently, … Read more How Do I Connect To Sql Server Running Inside Docker On Mac Using Python3?

How To Setup Django-hstore With An Existing App Managed By South?

I tried to use django-hstore using this nice tutorial. I added two classes to an existing app manag… Read more How To Setup Django-hstore With An Existing App Managed By South?

Why Python Does Not Have Access Modifier?and What Are There Alternatives In Python?

why python does not have Access modifier like in c#, java i.e public, private etc.what are the alte… Read more Why Python Does Not Have Access Modifier?and What Are There Alternatives In Python?

How To One Hot Encode With Pandas On A New Dataset?

I have a training data set that has categorical features on which I use pd.get_dummies to one hot e… Read more How To One Hot Encode With Pandas On A New Dataset?

Split Documents Into Paragraphs

I have a large stockpile of PDFs of documents. I use Apache Tika to convert them to text, and now I… Read more Split Documents Into Paragraphs

Pandas: Concat Rows Of Strings Until Specifc Characters

I have a one column dataframe. The rows of that column contain dialogue that often span multiple ro… Read more Pandas: Concat Rows Of Strings Until Specifc Characters

Best Way To Use Big Csv File As Lookup To Fill Data In Dataframe

I have a DataFrame with a column that needs to be filled with values from a big csv file. What woul… Read more Best Way To Use Big Csv File As Lookup To Fill Data In Dataframe

How To Retrieve Input Value Of Html Form If Form Is In Django For Loop

I got a situation.I have a django template ip_form.html given bellow. {% for val in value_list %… Read more How To Retrieve Input Value Of Html Form If Form Is In Django For Loop

Rotate 2d Polygon Without Changing Its Position

I've got this code: class Vector2D(object): def __init__(self, x=0.0, y=0.0): self.… Read more Rotate 2d Polygon Without Changing Its Position

Pandas Cumsum On A Separate Column Condition

I have an issue using Pandas and cumsum which is not behaving as I was expecting so was wondering i… Read more Pandas Cumsum On A Separate Column Condition

How To Conditionally Remove Duplicates From A Pandas Dataframe

Consider the following dataframe import pandas as pd df = pd.DataFrame({'A' : [1, 2, 3, 3, … Read more How To Conditionally Remove Duplicates From A Pandas Dataframe