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  1. I'm trying to select data from a MySQL database that is hosted on a webserver. I want to be able to retrieve the data from a table within the database and then illustrate it within a HTML table. There's an example on W3Schools that I've been following, but I'm unable to retrieve the data successfully. http://www.w3schools.com/php/php_ajax_database.asp Below is the source code: (HTML) <html> <head> //Javascript code <script> function showUser(str) { if (str == "") { document.getElementById("txtHint").innerHTML = ""; return; } else { if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } else { // code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { document.getElementById("txtHint").innerHTML = this.responseText; } }; xmlhttp.open("GET","getuser.php?q="+str,true); xmlhttp.send(); } } </script> </head> <body> <form> <select name="users" onchange="showUser(this.value)"> <option value="">Select a person:</option> <option value="1">Peter Griffin</option> <option value="2">Lois Griffin</option> <option value="3">Joseph Swanson</option> <option value="4">Glenn Quagmire</option> </select> PHP File: (getuser.phd) <!DOCTYPE html> <html> <head> <style> table { width: 100%; border-collapse: collapse; } table, td, th { border: 1px solid black; padding: 5px; } th {text-align: left;} </style> </head> <body> <?php $q = intval($_GET['q']); $con = mysqli_connect('www.example.com','user_Admin','12345-678','my_DB'); if (!$con) { die('Could not connect: ' . mysqli_error($con)); } mysqli_select_db($con,"ajax_demo"); $sql="SELECT * FROM user WHERE id = '".$q."'"; $result = mysqli_query($con,$sql); echo "<table> <tr> <th>Firstname</th> <th>Lastname</th> <th>Age</th> <th>Hometown</th> <th>Job</th> </tr>"; while($row = mysqli_fetch_array($result)) { echo "<tr>"; echo "<td>" . $row['FirstName'] . "</td>"; echo "<td>" . $row['LastName'] . "</td>"; echo "<td>" . $row['Age'] . "</td>"; echo "<td>" . $row['Hometown'] . "</td>"; echo "<td>" . $row['Job'] . "</td>"; echo "</tr>"; } echo "</table>"; mysqli_close($con); ?> </body> </html> *MySQL table is attached I think the issue might exist from mysqli_select_db($con,"ajax_demo"); onwards inside the PHP file. Should I be referring to the table that contains the data inside the database? I have the PHP File hosted on my webserver, so I'm not sure why it won't retrieve that data when a person is selected from the list of options on the HTML page. Any help would be much appreciated.
  2. #include <SPI.h>#include <Ethernet.h>byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };byte ip[] = { 192, 168,1, 120 }; EthernetServer server(80);float latitude=13.08;float longitude=80.20;void setup(){ Serial.begin(9600); Ethernet.begin(mac, ip); server.begin();}void loop(){ Ethernet_Control();}void Ethernet_Control(){ EthernetClient client = server.available(); // detect if current is the first line boolean current_line_is_first = true; if (client) { // an http request ends with a blank line boolean current_line_is_blank = true; while (client.connected()) { if (client.available()) { char c = client.read(); if (c == 'n' && current_line_is_blank) { client.println(F("HTTP/1.1 200 OK")); client.println(F("Content-Type: text/html")); client.println(); client.println(F("<META HTTP-EQUIV=REFRESH CONTENT=5 URL=>")); client.println(F("<center><p><h5>Web application V1.0</h5></p><center><hr><br />")); client.print(F("<p><h5>DATE: = <font color=indigo>")); client.print(" <font> <color=blue> latitude: <input type=text name=01 value="); client.println(latitude); client.print(" <font> <color=black> Longitude: <input type=text name=01 value="); client.println(longitude); client.println("</form>"); client.println("</body>"); client.println("</html>"); client.println("<p>NOTE: This page will automatically refresh every 5 seconds.</p></center>"); break; } if (c == 'n') { // we're starting a new line current_line_is_first = false; current_line_is_blank = true; } else if (c != 'r') { // we've gotten a character on the current line current_line_is_blank = false; } } } // give the web browser time to receive the data delay(1); client.stop(); }} Dear all. Here is my code. I am using Arduino as platform. Here i am trying to read data from Web server and assign to variable. Since i am new bie in program i edit code got from youtube. Here i am trying to change latitude and longitude.
  3. hi, i'm looking XAMPP for android..... i want to install XAMPP in my samsung tab....any sugestion?? thx
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