Categories
Bitcoin Cryptocurrency Mastering Development

getblockfilter Error: Index is not enabled for filtertype basic

I’m failing to run the getblockfilter example. What am I doing wrong? $ bitcoin-cli help getblockfilter getblockfilter "blockhash" ( "filtertype" ) Retrieve a BIP 157 content filter for a particular block. Arguments: 1. blockhash (string, required) The hash of the block 2. filtertype (string, optional, default=basic) The type name of the filter Result: { (json […]

Categories
CMS Drupal Mastering Development

Ajax callback values not found on submit in drupal 8

I have a custom form. “instrument_dropdown” fields populate via ajax after selection of “instrument_family_dropdown” select field. It works fine if i does not add upload field. When i add upload file field into form, then “instrument_dropdown” fields does not submit data on form submission. “instrument_dropdown” remain always empty. Kindly help. <?php namespace Drupal\drupalup_simple_form\Form; use Drupal\Core\Form\FormBase; […]

Categories
Mastering Development

How to change axis titles when using sliders in plotly

I’m plotting scatter3d projections of the 4d iris data set using plotly. To display all 4 possible projections in the same figure I am using sliders. However when “sliding” from one projection to the next the axis titles do not change. Normally I would use fig.update_layout() but that isn’t working. How can I get these […]

Categories
Mastering Development

Better approach for define typescript interface for the below query

I am new to typescript. I have a function which accepts the following parameters. customerId: number, // mandatory courseDate: Date, // optional, by detault to current date, if given use provided date loyaltyLevel: enum loyaltyLevelA loyaltyLevelB // mandatory, based on the value a boolean needs to be saved proposal: string, // optional , Only when […]

Categories
Mastering Development

Unable to run .exe using vlc build with PyInstaller

I am trying to create a .exe using PyInstaller. The app is build using PyQt5 and Python 3.7. After I use PyInstaller and create the .exe file everything works fine. But when I try to run the .exe by doubling clicking on it I get this error below. Things I tried which didn’t work: Use […]

Categories
Development

Sorting a vector strings by length

I wrote a code that sorts vector strings by length. Unfortunately, I’m not sure whether it will work in the next standard in this form. Is this the correct code in C++20? #include <algorithm> #include <iostream> #include <string> #include <ranges> #include <vector> int main() { std::vector<std::string> words = {“std”, “vector”, “string”, “optional”, “clamp”}; // C++11 […]

Categories
Development

What does runParser do in Haskell?

The below code is my attempt at making a parser. What is the runParser supposed to do? (I copied it from a working parser). I tried running it and the result is: toS is not defined in scope. Code: {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE MultiWayIf #-} module Main where import […]

Categories
Development Linux

New VMs registered to Foreman Katello dont get new repository

Initially I was able to successfully register a new CentOS7 VM to Foreman Katello server but the problem is that the VM still only gets the base CentOS7 repo and none of the other channels. I have the content views created that include all of those additional channels (Extra RPMs, Optional, supplementary, Common). Why are […]

Categories
Development System & Network

gsutil error /bootstrapping/gsutil.py

gsutil is giving me the following error. It is installed in its latest version on a linux suse 12. Can you help me? gsutil Traceback (most recent call last): File “/root/google-cloud-sdk/bin/bootstrapping/gsutil.py”, line 13, in import bootstrapping File “/root/google-cloud-sdk/bin/bootstrapping/bootstrapping.py”, line 46, in from googlecloudsdk.core.updater import update_manager File “/root/google-cloud-sdk/lib/googlecloudsdk/core/updater/update_manager.py”, line 36, in from googlecloudsdk.core import yaml File […]

Categories
Development System & Network

How to configure and debug Mercurial NotifyExtension?

The task is: Setup Mercurial on the production server to push email notifications on an email address when someone pushes a new commit from their PC to the repo. So I’m trying to configure and test NotifyExtension on my local repository. I’m testing HG SERVE to check if I’m getting any emails. What I tried […]