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 write html code for email signature ?

 How to write html code for email signature ? <html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office"> <head>     <meta charset="utf-8"> <!-- utf-8 works for most cases -->     <meta name="viewport" content="width=device-width"> <!-- Forcing initial-scale shouldn't be necessary -->     <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- Use the latest (edge) version of IE rendering engine -->     <meta name="x-apple-disable-message-reformatting">  <!-- Disable auto-scale in iOS 10 Mail entirely -->     <title></title> <!-- The title tag shows in email notifications, like Android 4.4. -->     <!-- Web Font / @font-face : BEGIN -->     <!-- NOTE: If web fonts are not required, lines 10 - 27 can be safely rem...
Read more

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

How to use referrerpolicy Attribute value ( unsafe-url ) with < iframe > tag in HTML ? with example Referrerpolicy Attribute value ( unsafe-url ) used for   Send origin, path and query string (but not fragment, password, or username). This value is considered unsafe Example <html> <body> <h1>The iframe referrerpolicy attribute Example</h1> <iframe src="https://tech.thinkforu.org "  referrerpolicy=" unsafe-url  "> </iframe> </body> </html>
Read more

How to use comments in Solidity programming language ?

 How to use comments in Solidity programming language ?  function getResult() public view returns(uint) {    // This is a comment. It is similar to comments in C++    /*       * This is a multi-line comment in solidity       * It is very similar to comments in C Programming    */    uint a = 1;    uint b = 2;    uint result = a + b;    return result; }
Read more

What is the syntax of src Attribute with < img > tag in HTML ?

 What is the syntax of src Attribute with < img > tag in HTML ? Syntax <img src="URL">  URL is stand for URL of the image. we can choose two types of url an absolute url and the second one is the Relative url  Two types of URL when we use < img > tag with  src attribute   An Absolute URL - Absolute url we use to   points to another website or web url or web page  Example of Absolute URL  (e.g:-   src ="https://www.tech.thinkforu.org/ HTML5.png ") Relative URL - Relative URL We use to Points to a file  within a web site or web page Example of Relative URL  (e.g:-  src="techforum.gif")
Read more

What is HTML (Hyper text markup language) table ?

 What is HTML (Hyper text markup language) table ?  HTML(Hyper text markup language) table tag is used to display data in tabular form (row * column). There can be many columns in a row.there can be many columns in row . We can create a table to display data in tabular form, using <table> element, with the help of <tr> table row , <td>table data , and <th>table header   elements. In Each table, table row is defined by <tr> tag, table header is defined by <th>, and table data is defined by <td> tags. HTML TABLE IS USED FOR  HTML tables are used to manage the layout of the page e.g. header section, navigation bar, body content, footer section etc. But it is recommended to use div tag over table to manage the layout of the page .  The HTML tables are created using the <table> tag in which the <tr> tag is used to create table rows and <td> tag is used to create data cells. The elements under <td> ar...
Read more