Latest Questions

Why memory usage increases when reopening a Parquet file with pandas?

I generated a Pandas dataframe of 8.481.288 rows and 451 columns, where most of the columns have integer values. When I generate this dataframe, the total memor

Exception when trying to use saved Spark ML model for distributed computations with SHAP

I am having this error Exception: It appears that you are attempting to reference SparkContext from a broadcast variable, action, or transformation. SparkConte

socketio.send() does not send data to client

I am trying to send data from server to flutter app using socketIO. Although I am able to connect and emit, the server is not able to send data to client side.

Whitespaces handler in Liquid not working

I cannot figure out how to remove whitespaces from the start and end of my strings. My response body is: { "value": [ { "nomeUnidadeOpe

Curl using Nuget on Visual Studio 2022 doesn't work

I've been trying to get Curl to work with VS for weeks. I've read a ton of other tutorials, guides, installation instructions and other materials and just... No

Pandas pick the higher value for each unique id

I have a df of customers CUST_ID | SEGMENT | AREA 1 | B | CAD 1 | A | RAM 2 | B | CAD 2 | C | RAM 3 | B

I get this error: Attempt to read property "Username" on null, when trying to display the username [duplicate]

I am trying to display the Username on the web page, but I keep on getting the error Here is my blade template @extends('layouts.app') @secti

coroutine nested exception problem on unit test

Can somebody explain why the exception problem is happening only in unit test? I was testing exceptional case for flow and I found exception does not throw as

Prevent mypy errors in platform dependent python code

I have something akin to the following piece of python code: import platform if platform.system() == "Windows": import winreg import win32api def do_cr

Chart.js v2 - Partial Y -grid lines with bar chart

I want tiny "ticks" on the x-axis as seen in the image in between the green bars, that go into the chart, but not all the way to the top of the chart. I have b

GitLab:Merge Request: If multiple MR into Develop but move only my changes to QA branch

There are multiple Merge requests merged into Develop but I want to MR only my changes from develop branch to the QA branch /abc/abc.py ---| /abc/deg.py --

scala bubbleSort endless recursion

I am trying to get this implementation to work, tho it ends in an infinite loop. What am I missing? def bubbleSort(l: List[Int]): List[Int] = if(isSorted(l)) l

Calculate value based on previous value and multiplication

I am trying to do something which is very simple in excel, but I cant seem to find the way the way to do it in python. I want to calculate the next value in a d

Spring Boot 2 preventing Tomcat 9 from shutting down

I am having an issue where a Tomcat server fails to shut down correctly when it has a Spring Boot web application. This causes issues with scheduled tasks and b

How do I superimpose an image in the back of a matplotlib plot?

I'm trying to superimpose an image in the back of a matplotlib plot. It is being rendered as HTML in a flask website so I am saving the plot as an image before

Gradle Build Failed after updated to 7.4.1 in windows 10 for java 8 project

Getting error like this What went wrong: Unable to start the daemon process. This problem might be caused by incorrect configuration of the daemon. For example,

Should I pass async function to passport.deserializeUser()?

I am using passport to handle user authentication. During initialization, I have to do the following for managing the session cookies: passport.serializeUser((u

How to deal with edge cases where fuzzy matching does not return a result?

I have two tables in a MySQL database: address that includes a description field which at most has a city name and a country buried somewhere inside it. There a

Location of toString() Method of java.util.LinkedList

I am studying LinkedLists and wanted to check Java's implementation. However, I have some questions. I saw that I can print the contents of java.util.LinkedList

terraform validation error despite changing the character count

I am facing with the below error but upon checking, i have realized and reduced the characters to less than 20character for the name but I am still getting the

DatasetNotFoundError: Dataset smartwatch_gestures not found

I need to use the smartwatch_gestures from Tensorflow datasets and here is my code: pip install --upgrade tfds-nightly import tensorflow_datasets as tfds impor

How to get pandas to return the row index on which a CSV read error occurs

I have a CSV: '1\n2\na'. If I read it with something like pd.read_csv(io.StringIO('1\n2\na'), names=['A'], dtype={'A': 'float'}) specifying that the first colum

An R Loop to wrap text in multiple saved excel files

I have hundreds of excel files with a single column and a single sheet containing text. I am trying to write a loop that will 'Wrap Text' and align the single c

How can I launch the appstore from my web app in smart tv?

Launch the app store for smart TV tizen I am trying to launch the app store from my current tizen TV application. I am using angular and making my app a web apl

forward localhost to ipadress on local netwerk

I have a domain name registered and i made an A record on it that points to 127.0.0.1 (aka localhost). I want to be able to work on websites in this case from m

Combining various image channels after gaussian filtering produces white image

I am trying to implement a gaussian filter for an image with dimensions (256, 320, 4). I first generated a gaussian Kernel for the same and then individually pe

Check if substring with leading and trailing whitespaces is in string

Imagine I need to check if in longString = "this is a long sting where a lo must be detected." the substring lo as a word is contained. I need to use the leadi

Convert JSON to different format using the javascript

I have the JSON please see below and I need help to convert changing the format mentioned below. I want to move the data to different columns (format mentioned

mule 4 sftp file read is deleting file after file read

Using Mule 4.4 community edition . I am reading a file using mule's sftp connector : <dependency> <groupId>org.mule.connectors</group

Quarkus 2.6 not load message context

I have the following situation when migrating and compiling in native mode a quarkus service from version 2.5 to 2.6 and it is the following: We have a JAR whic