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

Difference between Public vs Internal vs Private state variables in solidity programming langauge with example ?

 Difference between Public vs Internal vs Private state variables in solidity programming langauge with example ? Public state variables can be accessed internally as well as via messages. For a public state variable, an automatic getter function is generated.  Internal state variables can be accessed only internally from the current contract or contract deriving from it without using this.  Private state variables can be accessed only internally from the current contract they are defined not in the derived contract from it. Example of   Public vs Internal vs Private state variables pragma solidity ^0.5.0; contract C {    uint public data = 30;    uint internal iData= 10;        function x() public returns (uint) {       data = 3; // internal access       return data;    } } contract Caller {    C c = new C();    function f() public view returns (uint) {  ...
Read more

How to add Amazon website inside iframe?

 How to add Amazon website inside iframe? <!DOCTYPE html> <html> <body> <h1>HTML Iframes</h1> <p>You can use the height and width attributes to specify the size of the iframe:</p> <iframe src="https://www.amazon.com/" height="220" width="320" title="Iframe Example"></iframe> </body> </html>
Read more

What is a < code > tag?

 What is a code tag? The <code> tag is used to insert variables, fragments of program code, etc. into an HTML document.  In the browser, the code is displayed in a mono spaced font (a font in which all characters have the same width) of the smaller size.  The <code> tag alone represents a single code line or code phrase.
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 sandbox attribute value ( allow-scripts ) with < iframe > tag in HTML ? with example

 How to use sandbox attribute value ( allow-scripts ) with < iframe >  tag in HTML ? with example   Sandbox attribute value ( allow-scripts )    Allows to run  scripts Try removing the sandbox attribute  value, or changing it. Example <html> <body> <h1> Sandbox attribute Example</h1> <iframe src="demotech.thinkforu.org"  sandbox="allow-scripts"> </iframe> </body> </html>
Read more

free source code for website

 free source code for website // html code for website  <html> <nav class="nav">   <a href="#s1" class="active">Intro</a>   <a href="#s2">Compatibility</a>   <a href="#s3">Usage</a>   <a href="#s4">Credits</a> </nav> <article id="s1">   <h1>Smooth Anchor Scrolling</h1>   <p>This <b>Smooth Anchor Scrolling</b> pen was written to reduce the bloat of your project and provide a simple and easy solution for projects using Jquery to apply smooth link scrolling throughout your application or website.</p>   <p>Example link to <span class="nav"><a href="#s3">Usage</a></span></p> </article> <article id="s2">   <h2>Compatibility 👍</h2>   <p>Due to leveraging Jquery, this CodePen works well on all Browsers, both Desktop and Mob...
Read more

What does P mean in HTML?

 What does P mean in HTML? P is stand for Paragraph in HTML How to use P in HTML  The <p> HTML element represents a paragraph </p>  Paragraphs are usually represented in visual media as blocks of text separated from adjacent blocks by blank lines and/or first-line indentation, but HTML paragraphs can be any structural grouping of related content, such as images or form fields
Read more

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 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