$characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
$randstring = '';
for ($i = 0; $i < 10; $i++) {
$randstring .= $characters[rand(0, strlen($characters))];
}
echo $randstring;
Tuesday 31 March 2015
Generating a Log File In PHP
$log = "-----------Chinnayya Naidu Nalla's Application Accesed on".date("Y-m-d H:i:s"). "--------------".PHP_EOL.
"User: ".$_SERVER['REMOTE_ADDR'].' - '.date("F j, Y, g:i a").PHP_EOL.
"-------------------------".PHP_EOL;
file_put_contents('./log_'.date("j.n.Y").'.txt', $log, FILE_APPEND);
Place this code in your Php code it will generate a log file in your application. to achieve polymorphic nature place this in a function in a separate php file and include it. remember to create a function with a parameter to pass the log message to it Logging Code in a function with a parameter
function WriteLog($logmessage){
file_put_contents('./log_'.date("j.n.Y").'.txt', $logmessage, FILE_APPEND); }
"User: ".$_SERVER['REMOTE_ADDR'].' - '.date("F j, Y, g:i a").PHP_EOL.
"-------------------------".PHP_EOL;
file_put_contents('./log_'.date("j.n.Y").'.txt', $log, FILE_APPEND);
Place this code in your Php code it will generate a log file in your application. to achieve polymorphic nature place this in a function in a separate php file and include it. remember to create a function with a parameter to pass the log message to it Logging Code in a function with a parameter
function WriteLog($logmessage){
file_put_contents('./log_'.date("j.n.Y").'.txt', $logmessage, FILE_APPEND); }
Saturday 14 March 2015
Thursday 22 January 2015
Get the Parameters From the Form URL in JavaScript
function getSearchParameters() {
var parameterstring = window.location.search.substr(1);
return parameterstring != null && parameterstring != "" ? transformToAssocArray(parameterstring) : {};
}
function transformToAssocArray( parameterstring ) {
var params = {};
var prmarr = parameterstring.split("&");
for ( var i = 0; i < prmarr.length; i++) {
var tmparr = prmarr[i].split("=");
params[tmparr[0]] = tmparr[1];
}
return params;
}
var params = getSearchParameters();
alert(params.code);
Test with any url having the Parameter
abc.html?code=adslkfjlaksjflsadfsadfsadfsaddfsafsdfasdf&abc=akjdha
var parameterstring = window.location.search.substr(1);
return parameterstring != null && parameterstring != "" ? transformToAssocArray(parameterstring) : {};
}
function transformToAssocArray( parameterstring ) {
var params = {};
var prmarr = parameterstring.split("&");
for ( var i = 0; i < prmarr.length; i++) {
var tmparr = prmarr[i].split("=");
params[tmparr[0]] = tmparr[1];
}
return params;
}
var params = getSearchParameters();
alert(params.code);
Test with any url having the Parameter
abc.html?code=adslkfjlaksjflsadfsadfsadfsaddfsafsdfasdf&abc=akjdha
Tuesday 13 January 2015
Blinking Your HTML Title
<script>
function titlebar(val)
{
var speed = 1000;
var position = val;
var message1 = "Chinnayya Naidu Nalla - Software Developer ";
var message2 = "Software Developer - Chinnayya Naidu Nalla";
if(position == 0) {
message = message1;
position = 1;
} else if(pos == 1) {
message = message2;
position = 0;
}
document.title = message;
timer = window.setTimeout("titlebar("+position +")",speed); }
titlebar(0);
</script>
function titlebar(val)
{
var speed = 1000;
var position = val;
var message1 = "Chinnayya Naidu Nalla - Software Developer ";
var message2 = "Software Developer - Chinnayya Naidu Nalla";
if(position == 0) {
message = message1;
position = 1;
} else if(pos == 1) {
message = message2;
position = 0;
}
document.title = message;
timer = window.setTimeout("titlebar("+position +")",speed); }
titlebar(0);
</script>
Sunday 11 January 2015
Animating Typography In HTML Pages
Css Code:
body{
background: #000;
padding-top: 10px;
}
p{
color: lime;
font-family: "Courier";
font-size: 20px;
margin: 10px 0 0 10px;
white-space: nowrap;
overflow: hidden;
width: 30em;
animation: type 4s steps(60, end);
}
p:nth-child(2){
animation: type2 8s steps(60, end);
}
p a{
color: lime;
text-decoration: none;
}
span{
animation: blink 1s infinite;
}
@keyframes type{
from { width: 0; }
}
@keyframes type2{
0%{width: 0;}
50%{width: 0;}
100%{ width: 100; }
}
@keyframes blink{
to{opacity: .0;}
}
::selection{
background: black;
}
HTML:
Develop a simple html page with content in a <p></p> Paragraph tag
body{
background: #000;
padding-top: 10px;
}
p{
color: lime;
font-family: "Courier";
font-size: 20px;
margin: 10px 0 0 10px;
white-space: nowrap;
overflow: hidden;
width: 30em;
animation: type 4s steps(60, end);
}
p:nth-child(2){
animation: type2 8s steps(60, end);
}
p a{
color: lime;
text-decoration: none;
}
span{
animation: blink 1s infinite;
}
@keyframes type{
from { width: 0; }
}
@keyframes type2{
0%{width: 0;}
50%{width: 0;}
100%{ width: 100; }
}
@keyframes blink{
to{opacity: .0;}
}
::selection{
background: black;
}
HTML:
Develop a simple html page with content in a <p></p> Paragraph tag
Monday 5 January 2015
Saturday 3 January 2015
Calling Servlet Using a JQuery Ajax
First You need a JQuery Plugin i.e., jquery-1.8.2.js and add the jquery file to your project and your page
=================================================================
=================================================================
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<servlet>
<display-name>JqueryServlet</display-name>
<servlet-name>JqueryServlet</servlet-name>
<servlet-class>com.JqueryServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>JqueryServlet</servlet-name>
<url-pattern>/JqueryServlet</url-pattern>
</servlet-mapping>
<welcome-file>index.jsp</welcome-file>
</web-app>
index.jsp
<html>
<head>
<title>AJAX JQuery in Java Web Application</title>
<script src="jquery-1.8.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('#submitData').click(function(){
sendData();
});
});
function sendData(){
var name = $('#username').val();
var pwd = $('#password').val();
$.ajax({
type: "POST",
url: "AjaxjqueryServlet",
data: { userName : name , password : pwd }
});
}
</script>
<style type="text/css">
.centered{
width:100%;
margin-left:auto;
margin-right:auto;
text-align:center;
}
</style>
</head>
<body>
<form method="post" >
<div class="centered">
<h2 style="text-align:center;">AJAX jquery Servlet in Java Web Application</h2>
Name : <input type="text" id="username"/><br/>
Password :<input type="password" id="password" /><br/>
<input type="submit" value="Submit" id="submitData"/><br/>
</div>
</form>
</body>
</html>
Servlet: AjaxJqueryRequest
package com;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class JqueryServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throwsServletException, IOException {
String userName = request.getParameter("userName");
System.out.println("userName:"+userName);
String password = request.getParameter("password");
System.out.println("password:"+password );
}
}
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