Categories
Mastering Development

Random Password Generator JavaScript

I am using window prompts and window.confirm to ask the user if they want to use certain characters in their password. (I know I can do checkboxes with some HTML, but this must be JS). How do I pass the confirm answers to the function and then use Math.floor(Math.random() * length)? const key_strings = { […]

Categories
Mastering Development

Plotting data that is the dividend of 2 other columns matplotlib

So I’m dividing to columns of data to produce a ratio that is saved in a new column of the dataframe and csv. When I go to plot the child column (the result) it plots the data from both of the parent columns and the result. I would just like a simple line chart depicting […]

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Mastering Development

How to convert JSON to custom object class in C# and access properties

I am very new to c# and I am trying to manipulate data from the api restcountries.eu. I am having issues determining where exactly to place the code to convert the data. My desired outcome is to display the currency name of a specific country (identified by the 3-digit alpha code) through the console. using […]

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Cryptocurrency Development Ethereum

When to use nonfungible tokens and possibility to interchange tokens with different standards

I’m little bit familiar with Blockchain and ERC-20 standard. Now I started learning about ERC-721 and having a lot of confusion. Let’s take an example of music artist token platform. Any music artist can register with the platform and create their own tokens with defining some properties like name, symbol, etc. A music fan can […]

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Development

FT_Glyph_To_Bitmap fails with Raster_Overflow after using FT_Glyph_StrokeBorder

I’ve been trying to get a stroke effect around my text using freetype2. I’ve attempted to follow some example usages of FT_Glyph_StrokeBorder, however whenever I call FT_Glyph_To_Bitmap (after stroking) error code Raster_Overflow is returned (note in earlier versions of freetype Array_too_large was returned). I can’t find much on what these error codes mean or what […]

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Development

Symfony – XXX is not a constructor

I am trying to install Jodit (https://xdsoft.net/jodit/doc/) on my Symfony project I use webpack-encore, so, in my app.js, I added: // Jodit const Jodit = require(“jodit”); global.Jodit = Jodit; And in my template : <script> var editor = new Jodit(‘#message_content’, { “minHeight”: 200, “showCharsCounter”: false, “toolbarAdaptive”: false, “showWordsCounter”: false, “showXPathInStatusbar”: false, “defaultActionOnPaste”: “insert_clear_html”, “buttons”: “bold,italic,underline,strikethrough,|,ul,ol,|,font,fontsize,|,image,video,table,link,|,left,center,right,|,hr,symbol,|,undo,redo” […]

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Development

Calculated measures with MDX newbie’s problems

I’m learning data warehouses now and I’m trying to understand how to create calculated measures in Analysis Services (Visual studio), but I cannot find similar solutions. I’ve got two tables, the first one FactEvent id, type, numberOfAudience, state 1, concert, 5000, 1 2, concert,3670, 2 3, interview,110, 2 and the second DimState id, symbol, population […]

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Development

mpl_finance candlestick colordown argument not working

I’m fallowing this tutorial for charting stock data via mpl_finance. I’m having trouble displaying the ‘colordown’ argument in the command candlestick_ohlc(ax1, candleAr, width=1, colorup=’g’, colordown=’r’). when I run my code (below) it successfully runs, but it outputs this chart where all the ups&downs for the candlesticks all display as green instead of ups as green […]

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Development

Random Password Generator Javascript not working

I’m trying to create a random password generator that asks for the user input on size 8-128 characters and then confirms the use of uppercase, lowercase, symbols, and or numbers. I’m trying to get the password to generate and print in the text area and i know i’m missing something but I’m not exactly sure […]

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Cryptocurrency Development Ethereum

Calling function on ERC20 contract through staticcall gives wrong result

I’ve made two functions to interact with a local ERC20 token. Here they are: pragma solidity ^0.5.0; contract GardenTestContract { function getBalanceOf(address _address) public view returns (bool, uint, uint, address) { address sender = msg.sender; (bool _success, bytes memory data) = _address.staticcall(abi.encode(bytes4(keccak256(‘balanceOf(address)’)), (yaya))); (uint amount) = abi.decode(data, (uint)); return (_success, data.length, amount, sender); } function […]