Categories
Mastering Development

C++ : “While” keep executed even if the condition isn’t true

#include <iostream> using namespace std; int main() { int choose, num1, num2, result1, result2; cout << "Type ‘1’ for plus, ‘2’ for minus\n"; cin >> choose; if (choose = 1) { cout << "Enter the first number :\n"; cin >> num1; cout << "Enter the second number :\n"; cin >> num2; cout << "Here’s the […]

Categories
Cryptocurrency Ethereum Mastering Development

Error: The send transactions “from” field must be defined!

I get this error, even though I do specify the transaction sender.Here is my code: for(let a=1; a<TEST_ORACLES_COUNT; a++) { await config.flightSuretyApp.registerOracle({from: accounts[a], value: fee}); let result = await config.flightSuretyApp.getMyIndexes.call({from: accounts[a]}); console.log(`Oracle Registered: ${result[0]}, ${result[1]}, ${result[2]}`); } It will accept my code if I put accounts[1] instead of accounts[a]. But I need to loop. Any […]

Categories
Development

Having troubles with comparing two data frames in pandas

I am a newbie and struggle with pandas data frames. Here is the code: import csv import csv import numpy as np import pandas as pd # read the CSV into a pandas data frame (df) df = pd.read_csv(sys.argv[1], delimiter=’,’) print (df) # to open a .txt file and use sequences as a string with […]

Categories
Development

Excel VBA How to copy cells from a excel table to another excel spreadsheet

This is probably going to sound confusing so I’ll try my best to explain. I’m really new to VBA and I am ok at excel. I am trying to make a spreadsheet that fills in certain values into another spreadsheet that is setup as a template. However there are multiple different templates but that need […]

Categories
Development

PyOpenCL Error when accessing result of kernel operation (RuntimeError: Unable to compute length of object)

I’m new to OpenCL implementations and trying to make a relatively simple data processing script. The script works like so: Before OpenCL side of script Load data Prepare some arrays for use in processing This is all done before the comment: ## Step #1. Obtain an OpenCL platform. OpenCL side: Acquire platform and device, and […]

Categories
Development

Erlang, how to filter out repetead value not using sort

I code as the below. InputList = {1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888}, %% myFunction(Input) returns {ok, Result} %% ResultWithOkList is form of [{ok, Result1}, {ok, Result2},…] ResultWithOkList = [myFunction(Input) || Input <- InputList], ResultList = [Result || {ok, Result} <- ResultWithOkList] ct:pal(“ResultList ~p”, [ResultList]), ResultList is printed [6,6,7,7,4,4,5,5]. What I hope is […]

Categories
Development

How to fix spanish grave accent issue from resouce file?

The multilingual feature are working fine in normal html page from resource file , but when it comes to javascript its fails For Example : Success is ‘éxito’ in spanish in html page its working fine but when it comes to javascript it is displayed as & #201;xito if we hardcode ‘éxito’ as string in […]

Categories
Development MySQL PHP

Is there any additional requirements to proceed php mailer

I installed phpmailer in Ubuntu 18.04 like this composer require phpmailer/phpmailer added these functions like this to contactForm.php <?php // required headers header(“Access-Control-Allow-Origin: *”); header(“Content-Type: application/json; charset=UTF-8”); include ‘./../env.php’; require ‘../vendor/autoload.php’; require ‘../vendor/phpmailer/phpmailer/src/PHPMailer.php’; require ‘../vendor/phpmailer/phpmailer/src/SMTP.php’; require ‘../vendor/phpmailer/phpmailer/src/Exception.php’; //require ‘../vendor/phpmailer/phpmailer/src/OAuth.php.php’; $mail = new \PHPMailer\PHPMailer\PHPMailer; $msg_admin=file_get_contents(‘../mailTemplates/mailAdmin.html’); $msg_client=file_get_contents(‘../mailTemplates/mailUser.html’); //$mail = new \PHPMailer; $request_body = file_get_contents(‘php://input’); $data = json_decode($request_body); […]

Categories
Development

Processing a data frame in r by subgroup: is it possible to get rid of the ‘for’ loop?

I frequently work with data frames and have to run some sophisticated data wrangling / manipulations by subgroup that is defined in one of the columns. I am aware of dplyr and group_by and know that many things could be solved using group_by. However, often I have to do some pretty intricate calculations and end […]