Latest Questions

"Unexpected token Z in JSON at position 0" when trying to POST web form data to DynamoDB

I am creating an application with a web form that when the user clicks "submit", the data is added to a DynamoDB table. My web form's HTML code includes an API

How to secure a REST API with an API key

I'm currently creating a Rest API with NestJS (it's really cool by the way). In this API, I'm using JWT (Json Web Token) to allow users to log in and view diffe

Spring application.properties is grayed out with Spring Initilizr

I am new to spring and trying to use Spring Initilizr for my project. I am using the code that was generated by this tool after adding dependencies for 'Spring

Uncaught (in promise) Error: No ethereum object at checkIfTransactionsExists (TransactionContext.jsx:105:13)

Here is my TransactionContext.jsx TransactionContext.jsx:105 Uncaught (in promise) Error: No ethereum object at checkIfTransactionsExists (TransactionContext.js

How to highlight subrow from DF

I have made a function which add subrows to an initial DF : def AddSubrows(FullDF,DF): OutputDf = pd.DataFrame([]).reset_index(drop=True) for i in range

How to create Database wallet into hyperledger-fabric?

I need to use a database (mysql/mongodb) instead of files to store the user's wallet identity into hyperledger-fabric.

How to resolve this UnicodeEncodeError while installing eth-brownie on Windows10 with pipx?

I tried to install eth-brownie on a Windows 10 PC running anaconda python. Python version is 3.9x I followed the instructions here; https://eth-brownie.readthed

Azure DevOps pipeline how set vcvars64.bat then call msbuild.exe from batch file?

On a local machine, I execute my build.bat after opening a x64 Native Tools Command Prompt for VS 2019, then build.bat calls msbuild.exe. call "C:\Program Files

Products color should show through color variations in woocommerce

I have added two variations at product page in woocommerce. Size Color Color image is moving and appearing at the front, once i am selecting the size also. But

Sql determine rows that dont have value

I have a table that returns results like abc yes abc no cdef no cdef no cdef no xyz yes xyz no xyz no sample query with abc as( select 'abc' as b

Is it possible to use Emmet in a blank CSS sheet, outside of a selector?

I am currently making my live easier with various custom emmet short forms for code I use a lot. So I tried to make something like the ! in html for CSS so that

Sum of values in javascript object

I have the following javascript object const reizen = { personen: [ { naam: "Bob", reizen: [ { locatie: "Frankri

Why is JDBC SQLITE TRUNCATE operation throwing an error?

My program throws an error when I try to execute truncate query using JDBC java with sqlite. import java.sql.*; public class sqlTruncate { public static voi

Everything on my pages works fine on VScode's live server but not on local

When previewing my pages with a live server everything works fine. but when I tried to open my index file from local it didn't show CSS or anything. and when cl

how can I use vcpkg to install sqlite3 and use in cmakelist.txt?

I use vcpkg to load sqlite3 for my C++ project. for vcpkg, I think I integrate it correctly: PS D:\tool\vcpkg\vcpkg> .\vcpkg.exe integrate install Applied us

HLs.js stuttering audio stream on Safari only

I am using Hls.js to stream live audio for radio, and it works well on chrome but the audio is stuttering on Safari only. Here is the code sandbox example(kindl

Is there a way to log (additional) keystroke information on a Cowrie honeypot?

For a thesis project, I have set up a Cowrie honeypot within an Azure VM running Debian. I am interested in, in addition to the regular logs, extracting specifi

Unable to load class 'ijmapper_a3g8yazybfvfygf10kzeu3s98'

[How to fix this Unable to load class 'ijmapper_a3g8yazybfvfygf10kzeu3s98']

Why can't I access my web app from a remote container?

I have looked through past answers since this is a common question but no solution seems to work for me. I have a Springboot Java app and a postgresql database,

Assign values from one list to another list

I have a folder dir_in containing set of files and supplied another list var with possibly variable names for the files. dir_in = 'my_files/data/' contains fi

PyTorch - Using {N,H,W,C} format in customized operation

I'm thinking about upgrading some of my customized PyTorch operations to support {N,H,W,C} format. However, I'm still confused about using channel-last-format t

Access FMX TListView TListViewItem

Is there a way to access the different items configured to a FMX TListview's ListViewItem component below the ListView rows are filled? I have a TListView set t

v-bind:style for dynamical value in Vue.js

When I use v-bind:style for using dynamical value, I came across the problem that v-bind:style doesn't work but I'm sure v-bind:style gets correct value(:style=

Git Clone with Swift Script

I want to clone the team projects into a predefined structure (as they are on the Git) on my local machine. Manually I have to create a new folder for every new

Flex inside flex causing orientation issues

I am new to Web Development and React (and fairly amateur at CSS), so there must be some fundamental issue with my understanding of how flex works. With referen

use "abs" with @ operator in CVXPY

I want to do the absolute operator with CVXPY: abs(A @ x). From here cvxpy objective function error involving MulExpression I understand that I cannot use np.

efficient frontier/stock analyze

Consider the following task. Using a 10-year period I should calculate the portfolio weights in January and then use these weights in February to calculate the

How to sort one column and then another within it in SQL? [duplicate]

I have this table state num ------------------------- ca 20 ny 30 ca 50 ca 10 ny 70 ny 90 What I want is to p

VirtualizingStackPanel with cache

We have to requirement to virtualize a ListView/ItemsControl with a VirtualizingStackPanel. Although everything works as expected, the Control's ItemTemplate ad

ANDROID STUDIO The System cannot find the path specified

I have updated my Android Studio to the Artic Fox Version. After that neither the projects with old Gradle versions running nor the new projects with latest Gra