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

 How to use sandbox attribute value ( allow-popups ) with < iframe >  tag in HTML ? with example  Sandbox attribute value ( allow-popups ) used for  Allows popups This allows the sandboxed document to spawn new windows without forcing the sandboxing flags upon them, hence creating a clean browsing context.    Example <body> <iframe src="tech.thinkforu.html"  sandbox=" allow-popups "> </iframe> </body>
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How do you add color to a < table > in HTML?

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 How do you add color to a < table > in HTML? <style type="text/css">   table          {border:ridge 5px red;}   table td       {border:inset 1px #000;}   table tr #ROW1  {background-color:red; color:white;}   table tr #ROW2  {background-color:white;}   table tr #ROW3  {background-color:blue; color:white;}   table td #CELL9 {border:inset 4px red; background-color:navy;} </style> <table>       <tr id="ROW1"> <td>Cell 1.1</td> <td>Cell 1.2</td> <td>Cell 1.3</td>   </tr>         <tr id="ROW2"> <td>Cell 2.1</td> <td>Cell 2.2</td> <td>Cell 2.3</td>   </tr>         <tr id="ROW3"> <td>Cell 3.1</td> <td>Cell 3.2</td <td id="CELL9">Cell 3.3</td>   </tr> ...
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table background-color css

 table background-color css <html> <head> <style> #customers  {   font-family: Arial,   Helvetica, sans-serif;   border-collapse: collapse;   width: 100%; } #customers td,  #customers th  {   border: 1px solid  #ddd;    padding: 8px; } #customers tr:nth-child(even) { background-color: #f2f2f2 ; } #customers tr:hover  { background-color: #ddd; } #customers th  {   padding-top: 12px;   padding-bottom: 12px;   text-align: left;   background-color: #04AA6D;   color: white; } </style> </head> <body> <table id="customers">   <tr>     <th>Company</th>     <th>Contact</th>     <th>Country</th>   </tr>   <tr>     <td>Alfreds Futterkiste</td>     <td>Maria Anders</td>     <td>Germany</td>   ...
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what is solidity programming language ?

What is solidity programming language ?  Solidity is a contract-oriented, high-level programming language for implementing smart contracts. Solidity is highly influenced by C++, Python and JavaScript and has been designed to target the Ethereum Virtual Machine (EVM). Solidity is statically typed, supports inheritance, libraries and complex user-defined types programming language. You can use Solidity to create contracts for uses such as voting, crowdfunding, blind auctions, and multi-signature wallets. When deploying contracts, you should use the latest released version of Solidity. Apart from exceptional cases, only the latest version receives security fixes. Furthermore, breaking changes as well as new features are introduced regularly. We currently use a 0.y.z version number to indicate this fast pace of change. A Simple Smart Contract example  // SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.4.16 <0.9.0; contract SimpleStorage {     uint storedData; ...
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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>
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How to Create a table in html with 2 rows and 3 columns (Source code )

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How to Create a table in html with 2 rows and 3 columns (Source code ) <html> </body> <!-- CSS Code: Place this code in the document's head (between the 'head' tags) --> <head> <title> 2 rows and 3 columns |  2*3 Row and column in HTML Source code  </title> <style> table.techthinkforu {   width: 100%;   background-color: #ffffff; border-collapse: separate;   border-width: 2px;   border-color: #2b2a27;   border-style: solid;   color: #121212; } table.techthinkforu td, table.techthinkforu th {   border-width: 2px;   border-color: #2b2a27;   border-style: solid;   padding: 3px; } table.techthinkforu thead {   background-color: #eae6d7; } </style> </head> <!-- HTML Code: Place this code in the document's body (between the 'body' tags) where the table should appear --> <table class="techthinkforu">   <thead>     <tr>     ...
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How to use referrerpolicy Attribute value ( no-referrer-when-downgrade ) with < iframe > tag in HTML ? with example

How to use referrerpolicy Attribute value ( no-referrer-when-downgrade ) with < iframe > tag in HTML ? with example Referrerpolicy Attribute value ( no-referrer-when-downgrade )    in iframe Default. The referrer header will not be sent to origins without HTTPS. Example <html> <body> <h1>The iframe referrerpolicy attribute Example</h1> <iframe src="https://www.tech.thinkforu.org/"   referrerpolicy="  no-referrer-when-downgrade  "> </iframe> </body> </html>
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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>
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All 35 reserved keywords in Solidity programming language

All 35 reserved keywords in Solidity programming language       1. abstract 2. after 3. alias 4. apply 5. auto 6. case 7. catch 8. copyof 9. default 10. define 11. final 12. immutable 13. implements 14. in 15. inline 16. let 17. macro 18. match 19. mutable 20. null 21. of 22. override 23. partial 24. promise 25. reference 26. relocatable 27. sealed 28. sizeof 29. static 30. supports 31. switch 32. try 33. typedef 34. typeof 35. unchecked
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