Update Page Only If New Data?
Aug 7, 2009
I am using this to update the page with new content every 60 seconds
Code:
$(document).ready(function() {
var refreshId = setInterval(function() {
$('#contents').load('src.php');
[code]...
What I am trying to do is, I want to load the page only if src.php has new contents, I tried this, but now luck
Code:
$(document).ready(function() {
var refreshId = setInterval(function() {
var current_html = $('#contents').html();
var new_html = $.load('src.php').html();
[code]...
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May 21, 2009
I am currently programming Script Adds data to the database but if i want to Shown the data that have been added Requires refresh the page to show the Data that have been added . and I do not want this method.I want to when adding data to show updates as soon as the addition of data.This can be done by Ajax , and An example of this method used Google Gmail.
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Nov 29, 2011
In my jsp,Struts project i am using the javascript calendar control for selecting the date and by using function calcage() i am calculating the age of the user but problem occurs when the page refreshes OR when user updated the other values such as name ,contact no. Then the value of the age is set as 0 in the textfield as 0
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May 4, 2011
I have a problem, I am by no means new to PHP/Javascript but am finding an error that I cannot ridicule how to stop.Ok Ill try and explain it in simple terms:I have two divs, div1 and div2,In div1 there are links whitch are fetched from the databaseIn div2, content from links href ? in div1 is collected through AJAX.No I have a php preg_replace function that replaces it to look like <a href='#' onclick=\"showTopic(0,$char,'$1');\">$1</a> Now when you click this, it inserts into the "tpm" table in the database,(this table holds the links for div1) But it will not update the links unless i refresh the page? I would like to knoe how to update the links in div1 without refreshing, because refreshing = going back to the start of the code i am working on.
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May 23, 2010
I have a select that is populated from a mysql database, and I have a text input that if your option isn't listed, you can add it and it should add to the table that is populating the initial select. And I want to do it all without reloading the page, which is where jQuery comes in. Now, I've managed to have the text input add to the database without problems and echo back a "success" statement using ajax(). But I'm kind of lost on how to tell it to reload the data in the select.
[Code].....
I think I need to do something on success, but I'm kind of lost for what I should do. I thought about using load() and just having another php file that basically replaces the current select with the same thing; but it would show the newer data having just been called, but that seems like it's a crass way to handle it. I feel like there should be a way to say "run that mysql statement again" on success but my google foo is failing me.
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Jul 23, 2005
I am trying to create a web page in which the contents of one selection list
depends upon which element in another selection list is chosen, but where
the information to populate the first selection list comves from an SQL
database on the web server.
There are a couple of these situations in my application but, for example,
the first list might be a list of counties, and the second list a list of
states/provinces. Obviously the names of counties depend upon which
state/province is chosen, but there are too many possibilities to be able to
embed them within the web page itself. So when the user selects a
state/province I need to go to the server to ask for the list of counties.
I have seen a number of posts that sort of address this issue. For example
it is suggested to use <script src="a URL"/> to ask the server side code to
send up data of type "text/javascript". However the examples do not seem to
address how the server side code would know which state/province the user
had selected.
If there is a web site that addresses this sort of thing, I would appreciate
any pointers.
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Oct 29, 2011
the page url is
Code:
`http://example.com/index.php?main_page=index&Path=<?php echo $_GET['Path'];?>`
there are some contents on the page:
[code]...
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Dec 17, 2005
I have a script that parses window.location.hash to figure out which xml
file to load. The xml files populate a page on a framed site. The code works
correctly to a point.
If I have a seperate html page to support each xml it works. I would like to
eliminate the individual html pages becuase only one should be needed.
When I use one page the first link works, then the second one does nothing
(doesn't refresh the frame). If I click to a static image for the frame then
click the next xml link it works.
What can I do to force the frame to update? I am clicking on a HREF link
that should re-load the html page, but with the new xml data.
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Jul 28, 2009
I am working on a website which has a large image slideshow on top, with the logo. The content articles are in separate HTML files, and are embedded in the main document with a simple PHP include function.
The problem is that clicking on a link causes a refresh of the whole site, the gallery resets to the first image, and there's a momentary flashing of the screen.
I would like to explore the options of having only the main section update (somehow) when the user browses the site, leaving the rest intact, on screen.
I am worried about these potential issues:
- Will it be Search Engine friendly? (i.e. finding and indexing the separate articles)
- The vertical size of the site expands depending on the length of the content. Will this partial refresh be compatible with this?
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Dec 22, 2010
Here is the code i am trying to update the page and display the results in
div section of html using javascript but i am getting an error message.
Error Messge:
Line: 36
char: 1
Error: Object expected
[Code]....
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Oct 6, 2006
I followed the video tutorials on this site - pretty good. I'm now able to delete records and remove the tr on he fly. Im also able to insert a new record i my db, i the background. But how do i update my page so the post shows up? Code:
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Apr 7, 2010
I am trying to send a javascript request from page_1.html to page_2.html, and have page_2.html rewrite the content on page_1.html,
the code I am using to request page_2.html from page_1.html (so the following code is on page_1.html, just to be clear) , this code works fine on other projects.[code]...
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Dec 19, 2011
I am using the following code to show visitors when my page was updated last.
It seems really cumbersome for what it does, too.
Right now, it reads:
Last updated on Monday, December 19, 2011
I wanted to add code to it so that it reads the hours and is in this format:
Last updated on Monday, December 19, 2011 at 8:44am
How can I add the "at hh:mm am/pm" part? Or is there easier code that will do this?
function getLongDateString()
{month = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
[Code].....
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Jul 22, 2011
I am writing a small data entry screen that will post the form data to a page and return a message. But i cannot get the Success or Error functions working properly.
Here's the code where strData is the posted querystring of:
I'm not sure whether it should be in a form and using the onsubmit or click of a button.
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Jun 2, 2011
I came across this product page at nordstrom that allows users to filter products by certain criteria (size, fit, price, etc). [URL]..
They use ajax to update the page with any new criteria that users select, but with each page update the page url also changes and the browser history shows the new page. This is done without refreshing the page.
how this is done: creating a new page in browser history but without refreshing the page?
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Nov 11, 2010
I'm trying to update a textarea's value with Javascript. The code is similar to:
console.warn("Before set, value is " + document.getElementById('myTextArea').value);
document.getElementById('myTextArea').value = 'OMGWTFBBQ';
console.warn("After set, value is " + document.getElementById('myTextArea').value);
Although the Firefox and Chrome consoles show that the value property is updated, this is not reflected in the page itself.The specific function is invoked from an onfocus handler of another element. The textarea itself is lazily initialised from the same method, by using:
var messageText = document.createElement('textarea');
messageText.id = 'myTextArea';
someParent.appendChild(messageText);
Obviously if I use the console rather than let the script run it does work.
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Feb 15, 2012
what I have is a code containing 2 iframes inside a div.what I'd like to do is refresh one of the iframes when it's page recieves an update from another user.
perhapse I could load the page on the document load, and store those contents in a var.then have a code that will compair the remote page to the var every second or so.if the page compairs differently, update the var info and refresh the iframe.
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Jan 29, 2011
How do over a game to identify with this link click counter and how do I update the page when the number does not disappear?
<script type=text/javascript>
clickcounts var = '0 ';
function count () {
clickcounts + +;
[Code]....
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Jun 13, 2006
i am trying to put some code within my js such that, when the server
"sends it a message" it refreshes the page. now i have the refresh part
of things. the place where i am stuck is, how can my server (tomcat, am
using a java web app) send a very small piece of info to the js which
when it receives it, refreshes the page.
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Jan 25, 2007
I am trying to update all Select boxes on a page dynamically using
javascript, I simple want to change the selected item in each select
box when a tick box is pressed on the page. Each Select box is named
in the same convention ie. ddl_DeliveryStatus_ and then the recordID
and contains the same options in the same order. The number of select
boxes changes every time the page is loaded as this is all built using
ASP linked to a database.
I am hoping there is an array or collection or something similar I can
simply reference to do this, but an struggling to find the answer.
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Nov 4, 2009
I am using the taconite plugin and am running into a strange issue. I use taconite to call several processes after each other (php) and update messages in the page, as such it is running fine. I have one big issue, if I open one database table too many in one of the calls, taconite receives the xml but does not update the page. With taconite debugging turned on I can see the following: WITHOUT the database I get to my last step in the database: [taconite] time to process response: 28ms [taconite] [AJAX response] content-type: text/xml; status: 200 OK; has
[Code]....
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Mar 18, 2009
I have a page [parent], on it is a link to a popup [child] that opens up a form. On the [parent] page is a list of entries from the table in the DB.
So basically once a form is submitted on the [child] page, I want the list of entries on the [parent] page to be refreshed
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Jul 20, 2011
I have a query and a php loop that outputs all the rows from a database.
If there is a new entry in the database, how can I use jQuery to update the output without refreshing the page?
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Sep 16, 2010
i want to know if its possible to update a page based on some information we recieve from a device which a client will have.the simple issue is that a client device will be sending me some values by making a request along with some parameter values. i have to recieve the request, get the values and update the information on the web page.i don't know if the get() and post() function can be used in any way.. they are supposed to send request.if I don't find a solution using jquery, i will be forced to use a servlet, but then again, i have to somehow update the page directly, i can't save the data anywhere and read it. because, one thing is the data is critical and other thing is that i will get data every 5 seconds.
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Jul 28, 2010
I can't get this to work, but I'm trying to update the text into an iframe on the same page with a button, for a game I'm making, the battle messages when you attack.
Here is the html file with the button and onClick
And here is the iframe page code]
This is my iframe:
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Mar 23, 2010
I am wanting to obtain the computed width value of an element (not window). This is of course easy enough using .width(), but the value needs to reflect the change in this element's width as a result of window resize (the element in question is being used as a page wrapper that utilizes the expand-to-fit of a block-level element).
I've read in various places that .resize() only works on window, but have managed to stumble across an article (benalman(dot)com/code/projects/jquery-resize/examples/resize/) in which .resize() works on an element other than window.
I've managed to craft together a very simple few lines based on the logic in the article. However, although the computed width of the element is returned, it requires a page reload in order for the value to be updated. What I require is the value to be update incrementally (like in article) without requiring a page reload.
Code:
function foo() {
$("#page-inner").resize(function(){
$("#header").append($(this).width());
[Code].....
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