code-brewer

# first:
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do  sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*

code-brewer

pragma solidity 0.4.25;
/*数组类型Demo*/
contract DemoTypes303 {
  /*String数组例子*/
  string[] strArr;
  function add(string str) public {
    strArr.push(str);
  }
  function getStrAt(uint n)  public constant returns (string s){
    string storage tmp = strArr[n];

code-brewer

pragma solidity 0.4.25;
/*数组类型Demo*/
contract DemoTypes303 {
  /*String数组例子*/
  string[] strArr;
  function add(string str) public {
    strArr.push(str);
  }
  function getStrAt(uint n)  public constant returns (string s){
    string storage tmp = strArr[n];

code-brewer

pragma solidity ^0.4.25;
contract SimpleStorage {
    uint public data;
    // event SetX(address indexed _from, uint value);
    event Set(string label, uint value);
    function set(uint x) public {
        data = x;
        // emit SetX(msg.sender, x);
        // emit Set("#####", x);
    }

code-brewer

pragma solidity ^0.4.25;
contract SimpleStorage {
    uint public data;
    // event SetX(address indexed _from, uint value);
    event Set(string label, uint value);
    function set(uint x) public {
        data = x;
        // emit SetX(msg.sender, x);
        // emit Set("#####", x);
    }

code-brewer

pragma solidity ^0.4.25;
contract SimpleStorage {
    uint public data;
    // event SetX(address indexed _from, uint value);
    event Set(string label, uint value);
    function set(uint x) public {
        data = x;
        // emit SetX(msg.sender, x);
        // emit Set("#####", x);
    }

code-brewer

pragma solidity ^0.4.25;
contract SimpleStorage {
    uint public data;
    // event SetX(address indexed _from, uint value);
    event Set(string label, uint value);
    function set(uint x) public {
        data = x;
        // emit SetX(msg.sender, x);
        // emit Set("#####", x);
    }

code-brewer

pragma solidity ^0.4.25;
contract SimpleStorage {
    uint public data;
    // event SetX(address indexed _from, uint value);
    event Set(string label, uint value);
    function set(uint x) public {
        data = x;
        // emit SetX(msg.sender, x);
        // emit Set("#####", x);
    }

code-brewer

pragma solidity 0.4.25;

contract stringOpTest {
        
    byte[] bs;
    
    function convertingToString()public returns(string){
    
// bytes32 memory hw = "Hello World"; // TypeError: Storage location can only be given for array or struct types.
    bytes32  hw = "Hello World"; //

code-brewer

pragma solidity 0.4.25;

contract stringOpTest {
        
    byte[] bs;
    
    function convertingToString()public returns(string){
    
// bytes32 memory hw = "Hello World"; // TypeError: Storage location can only be given for array or struct types.
    bytes32  hw = "Hello World"; //