Tech Updates Simplified Easy Insights
To hide a div element using JavaScript, you can set its style. Display property to “none“. Here’s an example: <!DOCTYPE html> <html> <head> <title>Hide a div with JavaScript</title> <script> function hideDiv() { var divElement = document.getElementById(“myDiv”); divElement.style.display = “none”; } </script> </head><body> <div id=”myDiv”> <p>This is the content of my div element.</p> </div> <button onclick=”hideDiv()”>Hide […]
Up until now all we’ve been sending into the writeHead function is the status code. However, it can take additional parameters like ‘Content-Length’, ‘Content-Type’. var http = require(‘http’); var fs = require(‘fs’); http.createServer(function(request, response) { response.writeHead(200, {‘Content-Type’: ‘text/html’} ); fs.readFile(‘index.html’, function(err, contents) { response.write(contents); response.end(); }); }).listen(8080); Share your Love
Now, showing you how to create an HTTP non-blocking server and how to read a file of the non-blocking filesystem. var http = require(‘http’); var fs = require(‘fs’); http.createServer(function(request, response) { response.writeHead(200); fs.readFile(‘index.html’, function(err, contents) { response.write(contents); response.end(); }); }).listen(8080); Generate Request curl http://localhost:8080 Share your Love
Everyone don’t knows why important to write non-blocking programs in Node.js. Here is some code using non-blocking function “readFile()“ Read the contents of ‘index.html’ and log them to the console. var fs = require(‘fs’); fs.readFile(‘index.html’, function(err, contents){ console.log(contents); }); Share your Love
CREATE USER ‘monty’@’localhost’ IDENTIFIED BY ‘some_pass’; GRANT ALL PRIVILEGES ON *.* TO ‘monty’@’localhost’ WITH GRANT OPTION; Share your Love
getallheaders — Fetch all HTTP request headers array getallheaders ( void ) Example <?php foreach (getallheaders() as $name => $value) { echo “$name: $valuen”; } ?> Share your Love
$useragent=$_SERVER[‘HTTP_USER_AGENT’]; if(preg_match(‘/(android|bbd+|meego).+mobile|avantgo|bada/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)/|plucker|pocket|psp|series(4|6)0|symbian|treo|up.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i’,$useragent)||preg_match(‘/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw-(n|u)|c55/|capi|ccwa|cdm-|cell|chtm|cldc|cmd-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc-s|devi|dica|dmob|do(c|p)o|ds(12|-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(-|_)|g1 u|g560|gene|gf-5|g-mo|go(.w|od)|gr(ad|un)|haie|hcit|hd-(m|p|t)|hei-|hi(pt|ta)|hp( i|ip)|hs-c|ht(c(-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i-(20|go|ma)|i230|iac( |-|/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |/)|klon|kpt |kwc-|kyo(c|k)|le(no|xi)|lg( g|/(k|l|u)|50|54|-[a-w])|libw|lynx|m1-w|m3ga|m50/|ma(te|ui|xo)|mc(01|21|ca)|m-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|-([1-8]|c))|phil|pire|pl(ay|uc)|pn-2|po(ck|rt|se)|prox|psio|pt-g|qa-a|qc(07|12|21|32|60|-[2-7]|i-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55/|sa(ge|ma|mm|ms|ny|va)|sc(01|h-|oo|p-)|sdk/|se(c(-|0|1)|47|mc|nd|ri)|sgh-|shar|sie(-|m)|sk-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h-|v-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl-|tdg-|tel(i|m)|tim-|t-mo|to(pl|sh)|ts(70|m-|m3|m5)|tx-9|up(.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas-|your|zeto|zte-/i’,substr($useragent,0,4))) { echo “mobile”; } else { echo “web”; } Share your Love
Open editor and create a file called helloworld.js. We want to write “Hello World” to Consol console.log(“Hello World”); Save the file, and execute it through Node.js node helloworld.js Share your Love
1.Go to Settings>>Data usage>>Check Mobile data should be ON. 2.Now comes back one level then click more (Settings>>more) then click Mobile Networks and select “Data enabled” & “Data roaming”. 3.Now, In same window click “Access point names”. 4.In next window select TATA DOCOMO INTERNET 5. Now click TATA DOCOMO INTERNET and then enter into settings […]
