How to use state Variable for stored values permanently in a contract storage in solidity ?

  How to use state Variable for stored values permanently in a contract storage in solidity ?


pragma solidity ^0.5.0;

contract SolidityTest {

   uint storedData;      // State variable

   constructor() public 

{

      storedData = 10;   // Using State variable

   }

}

Comments

Post a Comment

Last 7 Days

How to use sandbox attribute value ( allow-top-navigation) with < iframe > tag in HTML ? with example

 How to use sandbox attribute value ( allow-top-navigation) with < iframe >  tag in HTML ? with example  Sandbox attribute value ( allow-top-navigation)   Allows the iframe content to navigate its top-level browsing context. Example <html> <body> <h1>The iframe sandbox attribute Example</h1> <iframe src="tech.thinkforu.org"  sandbox="allow-scripts"> </iframe> </body> </html>
Read more

How to use referrerpolicy Attribute value (strict-origin ) with < iframe > tag in HTML ? with example

 How to use referrerpolicy Attribute value (strict-origin ) with < iframe > tag in HTML ? with example  Referrerpolicy Attribute value (strict-origin )  Only send referrer info if the security level is the same (e.g. HTTPS to HTTPS). Do not send to a less secure destination (e.g. HTTPS to HTTP). Example <html> <body> <h1>The iframe referrerpolicy attribute Example</h1> <iframe src ="https://tech.thinkforu.org"  referrerpolicy=" strict-origin "> </iframe> </body> </html>
Read more

How to use loop attribute with < video > tag in HTML for YouTube ? with example

 How to use loop attribute with < video > tag in HTML for youtube ? with example  When you Add loop=1 meaning to let your  video loop forever. When we add Value 0 (default) meaning   The video will play only once. When we add Value   1 meaning  The video will  loop (forever). Video Tag YouTube - Loop Example  <body> <iframe width="420" height="315" src="https://www.youtube.com/embed/YgbiysZ7vtY? playlist=PgboytZ4vwY &  loop=1"> </body> </iframe>
Read more

How to use string in Solidity programming language ?

How to use string in Solidity programming language ?  pragma solidity ^0.5.0; contract SolidityTest {       constructor() public{           }    function getResult() public view returns(string memory){       uint a = 1;        uint b = 2;       uint result = a + b;       return integerToString(result);     }    function integerToString(uint _i) internal pure        returns (string memory) {              if (_i == 0) {          return "0";       }       uint j = _i;       uint len;              while (j != 0) {          len++;          j /= 10;       }       bytes memory bstr = new bytes(len);  ...
Read more

How to use enum in Solidity programming langauge ?

How to use enum in Solidity programming langauge ? pragma solidity ^0.5.0; contract test {    enum FreshJuiceSize{ SMALL, MEDIUM, LARGE }    FreshJuiceSize choice;    FreshJuiceSize constant defaultChoice = FreshJuiceSize.MEDIUM;    function setLarge() public {       choice = FreshJuiceSize.LARGE;    }    function getChoice() public view returns (FreshJuiceSize) {       return choice;    }    function getDefaultChoice() public pure returns (uint) {       return uint(defaultChoice);    } }
Read more

Tag is used to create inline frame ?

 Tag is used to create inline frame ? The <iframe> creates an inline frame, which embeds an  independent HTML document into the current document. <html> <iframe width="720" height="420"  src="https://www.thinkforu.org"  frameborder="0" allowfullscreen> </iframe> </html>
Read more