amkurian

Fetch records in a custom order with ActiveRecord in Rails.md

SORT_ORDER = %w(stale inactive in_progress active )

Rails <7

User.where('age < ?', 50).all.sort_by { |user| SORT_ORDER.index(user.status) }

amkurian

pragma solidity ^0.4.20;

interface ERC721 {
    function name() external view returns (string _name);
    function symbol() external view returns (string _symbol);
    function tokenURI(uint256 _tokenId) external view returns (string);

    function totalSupply() external view returns (uint256);
    function tokenByIndex(uint256 _index) external view returns (uint256);
    function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);

amkurian

// // SPDX-License-Identifier: MIT
pragma solidity >=0.6.6 <0.9.0;

import "@chainlink/contracts/src/v0.6/interfaces/AggregatorV3Interface.sol";
import "@chainlink/contracts/src/v0.6/vendor/SafeMathChainlink.sol";


contract FundMe {
    using SafeMathChainlink for uint256;
    address public owner;

amkurian

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

import "./SimpleStorage.sol";

contract StorageFactory is SimpleStorage{
    SimpleStorage[] public simpleStorageArray;

    function createSimpleStorageContract() public {

amkurian

// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

contract SimpleStorage {
    uint256 public favoriteNumber;

    struct People {
        uint256 favoriteNumber;
        string name;

amkurian

ERROR:  Error installing mysql2:
	ERROR: Failed to build gem native extension.

    current directory: /Users/amkurian/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/mysql2-0.5.2/ext/mysql2
/Users/amkurian/.rbenv/versions/2.5.1/bin/ruby -r ./siteconf20200715-2791-2g860l.rb extconf.rb --with-mysql-config=/usr/local/mysql/bin/mysql_config
checking for rb_absint_size()... yes
checking for rb_absint_singlebit_p()... yes
checking for rb_wait_for_single_fd()... yes
-----
Cannot find mysql_config at /usr/local/mysql/bin/mysql_config

amkurian

// source: person.proto
/**
 * @fileoverview
 * @enhanceable
 * @suppress {messageConventions} JS Compiler reports an error if a variable or
 *     field starts with 'MSG_' and isn't a translatable message.
 * @public
 */
// GENERATED CODE -- DO NOT EDIT!

amkurian

# Encoding categorical data
dataset$Country = factor(dataset$Country,
                         levels = c('France', 'Spain', 'Germany'),
                         labels = c(1, 2, 3))
dataset$Purchased = factor(dataset$Purchased,
                           levels = c('No', 'Yes'),
                           labels = c(0, 1))

amkurian

from sklearn.preprocessing import LabelEncoder, OneHotEncoder
labelencoder_X = LabelEncoder()
X[:, 0] = labelencoder_X.fit_transform(X[:, 0])
onehotencoder = OneHotEncoder(categorical_features = [0])
X = onehotencoder.fit_transform(X).toarray()
# Encoding the Dependent Variable
labelencoder_y = LabelEncoder()
y = labelencoder_y.fit_transform(y)

amkurian

dataset$Age = ifelse(is.na(dataset$Age),
                     ave(dataset$Age, FUN = function(x) mean(x, na.rm =TRUE)),
                     dataset$Age)
dataset$Salary = ifelse(is.na(dataset$Salary),
                     ave(dataset$Salary, FUN = function(x) mean(x, na.rm =TRUE)),
                     dataset$Salary)