Execute a smart contract from outsite the block chain

I have private-permissioned blockchain and I need to allow people from the external world outside the chain to be able to query some specific parts of the data stored in the chain. Is it possible an

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C# Generics - a generic type constraint

I have the following generic type hierarchy: interface IGenericInterface<TId, TValue> {…} class A : IGenericInterface<long, string> I want to design a generic type that takes IGenericInterface

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How to access property of classes when using generics

I have two classes, instance of which is getting passed to a method which accepts generic type. How can I access the properties for those concrete classes? // basic class public class ClassALogs {

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How to get the original location of AppData\Roaming after the user has changed it?

I need to access contents in the folder %AppData%\Roaming\Microsoft. This usually works fine by doing the following: Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationDat

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Siebel product configurator

I'm working in troubleshooting poor Siebel performance and it appears it is caused by poor Product Configurator performance, CPQ. Does anyone have any experience developing custom Product Configura

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How to pass current category post_slug as meta item when added to cart in WooCommerce

I'm setting up an ordering site for a sports game-day catering company. There are seven games available for the user to pick from (set up as categories). Some items are available for every game, som

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gdb strange addresses: 0x000055555555517c instead of 0x41414141

I want to try a buffer overflow on a c program. I compiled it normally with gcc. If i run this program in gdb and i overflow the buffer, it should said 0x41414141, because i sent A's. But its saying

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HOW TO GET THE TR on which I clicked?

I have an HTML table with different rows (TR) and when I click on one row the background color changes (if it blank it becomes blu and if it blue it becomes white). The question is: How can I exclud

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How do you mock more than two times in rspec?

Within an any_instance_of block, for example: any_instance_of Tenancy do |tenancy| mock(Tenancy).update_checkout_booking.twice end how could I test that it runs three or more times? Using .nev

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Component with fewer than 1 type argumanet in class delcaration

/** * Sample React Native App * https://github.com/facebook/react-native * * @format * @flow */ import React, {Component} from 'react'; import {Platform, StyleSheet, Text, View} from 'react-n

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How to assign to member at a[i] with user-define operator [duplicate]

Note: The answers were given in a specific order, but since many users sort answers according to votes, rather than the time they were given, here's an index of the answers in the order in which the

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What tags should be used in JSDoc3 for void methods that “return” by setting values?

I am documenting methods within a React Component using JSDoc3. Because I am using React Components all values "passed into" the method are through the props and the value "returned" is really an at

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Adding Data to Event Emitter

I am using "proxy-lists": "^1.16.0" package to obtain proxies. I would like to save all incoming Array-Objects into my own array to later save it to the db. When running the below example my array

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Adding column in oracle 12c taking too long

I am trying to add 4 columns on a table using the below command alter table table_name add (column_1 number(4), column_2 varchar2(10), column_4 number(4), column_5 varchar2(10)); The table con

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Lidar FrontView Representation : from pointCloud to 2D Image for CNN : how to compute pixel values?

I am working on a object classification (and detection task). I need to use both lidar and camera data. I have managed to obtain the 3D points coordinates on image plane, but then I have some diffic

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Abstract list that doesn't get reconstructed every time it's accessed?

I'm making a game with collision detection. This collision detection runs 250 times per second (with some optimalizations, but that's irrelevant). There are ships, and each ship has a precisely def

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write an Android project

“My question is about android. I want to know How we can write a program in android that the frontend of the project is open source for the user and the backend unaccessible for the user?”

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Cannot assign to read only property 'exports' of object '#<Object>' error

I want to use picomatch package in the browser. But some ES6 features used in the package didn't go well in some old IE browser, and I think I can use babel to polyfill it. This is my webpack conf

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Retrieve different post request responses based on different body inputs

I am setting up a mock server for a third party API using postman. My goal is to get specific POST request responses based on different body inputs. I was wondering if this was something possible to do using postman, and if so, how?

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Set local storage in Cypress

For one of our applications, I need to set local storage in order to bypass the login page process. I have the following function that will return the accessToken that I need to set. This function

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