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i wouldn't use javascript for this but php or asp.
-Store the GET url variables
-then a simple if else
-use headers (especially "content-type") to allow you to send the correct picture (this makes your asp file send itself as a jpeg or whatever
Google these if you are unsure.
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Thanks again Neonlight
After a little searching and reading your advice paid off, and not only have I sorted that problem I had but also what would have been my next question 
Thank you for your time much appreciated
Regards
Ray
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Dammit, I think I might have put that code in the wrong type of block or whatever its called cos it seems to have disappeared off the screen...Sorry
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May i know how to write javascript to ping to server and show how many users online on browser? This concept same like facebook online friends. I heard my senior said that if using javascript, it will cause heavy load since it will take a lot of resources while using actionscript wont have such issue since the server can respond to the browser.
I really dont have any idea how to write the javascript to check. Hopefully somebody here can give a helping hand. Thanks.
CodeBasic
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I don't think you can do this with javascript seeing as javascript is client-side. You need to use server side code like php/asp
I would do the following.
A script that adds a users ip and time now to a csv file stored on the server in the format:
ip adresss, time,
ip adresss, time,
ip adresss, time,
If the user's ip is already in the file, update it with the new time.
And a second script that runs through the csv file and sees if any lines have a time greater than five minutes ago. If any are found, delete those lines.
Then you can just count the number of lines to get the number of users online.
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neonlight27 wrote: A script that adds a users ip and time now to a csv file stored on the server in the format:
DO you have any reason why this can not be done in database? Why reinvent the wheel?
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Yes it can be also be done in the database. I suggested CSV for reasons of simplicity & because I didnt know if he/she had a database to use. Where as CSV file handling will run on any system that php runs on.
Using a database is a perfectly valid option. However, using CSV isnt reinventing the wheel. There are plenty of free csv scripts available and for new coders they tend to be easier to work with (because you can see exactly what they do in simple text form - No SQL, or PHPMyAdmin or equivalents to deal with).
For larger sites (5,000+ concurrent users) a suggestion would be to use a script that only updates every 5 minutes or so to reduce the load on the server and use a database (Preferably an SQL Variant or at least one you can run SQL commands on) - CSV files do get a bit buggy as they get larger.
CSV is a poor mans database (often reffered to as a "flat file")
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Dear Masters
Please help me to make a site / get codes of Google Map like this
site.
http://www.qiblalocator.com/
in this site;
There is a Direction Line spotted on the center of Qibla - Macca -
Saudi Arabia (A Holy Place for Muslims, where they have to make a
right direction to offer their Prayers) from one side and the other
side of line is always remain in the center of the Map window to find
the right direction from anywhere in the world to Macca.
I am not a programmer, so please help me to get codes like (or similar
to) above mentioned web site.
Hopefully waiting your early and positive response!
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I don't just need my API Key/Code or not to add simple Map at my site, but I need how to customize Directional cosmetics at MAP.
Thanks
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There is a lot more on that site than just basic code and API key. Read through the documentation. Look through the blogs, examples, etc. Try searching Google. What you are asking is quite specific - so you'll be very lucky if someone codes it for you. My suggestion, do a bit of research. I'm pretty sure you find what you need within the Google blogs.
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Thanks for prompt response!
alternatively I have been searching for long time, as well as asking at forums, so Please remember if you find something like i need, then please share with me.
Because I don't know programming well, therefore I need a basic /initial tips related to my specific topic.
Thanks again!
Qayyom Ashraf
Karachi-PK
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I have a PDF file in which when I click on a email link (mailto) the result opens up 2 Outlook email messages and it also opens up a new IE browser window with the mailto link in the address. How do I get this to open up only 1 new email message and stop opening up a browser window? I've tried a number of different ways to display the mailto link in the PDF and nothing works successfully.
mailto link example: myemailaddress@mycompany.com?subject=test
I've tried with and without the "?subject=test" portion and get the same result.
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Have you tried making it a link without showing the address? Make sure you prepend "mailto:" to the link.
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Hello,
Yes, i have tried both suggestions and neither has worked.
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Have you tried it on other computers/readers?
If you put a sample online - i'll check it isn't just your reader - if you want.
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Hi
I have an activexcontrol which runs at client side and a function lets say
myactivex.function(x)
I am sending this x parameter in a html file.
<html>
<head>
<script language="JavaScript">
function test()
{
myactivex.function("123456");
}
</script>
</head>
<body>
<input type="button" name="button" value="button" onclick="test()">
</input></body>
</html>
i am sending this function return value to asp page with post method in a form. everything works fine.
my question is, i dont want users to see when they looked to html source file, the parameter that i sent to function.
How can i solve this problem. Can I use this activex object directly in asp page but it will run on client side not server.
Or how can i send this parameter to function ? using a variable, or another solution ?
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look up "code obfuscators"
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yeah ok we solved this.
we used javascript, it uses ajax post & get methods, then gets parameter from an asp file.
thank you all.
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hi to every one to in this forum...i have one problem to create a folder in drop down list box in ASP page..
Example : as we know when we can create a new folder in our normal yahoo or gmail id..where we just click on the option to create a new folder/label and after that they ask the folder name and after that its added to the drop down list as well to the left panel...so i need the same code....
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masif05 wrote: so i need the same code
Either contact google/yahoo and ask if they will send you it, or write it yourself, or get your money out and pay someone to do it.
This isn't a free coding site.
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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I can see they use a flash player to stream the video feeds from the server and to send the web cam stream to server. What flash library I have to use to accomplish that? And what about the back-end?
How do I receive and broadcast the various video feeds? I am not asking for you to give me the complete code, just point to the right technologies and I will do my research.
Thanks
Ian
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"Flash Media Server" is worth googling. It's fairly new.
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I wasn't sure if this should go in Web Dev or ASP.
I'm using a DataList that contains JavaScript in order to fill some textboxes. The DataList pops up in a modal div dialog, and the user clicks an item, filling in two fields on the page. This works fine. The problem occurs when I try to get the values in the code-behind. The values are empty, even though they do in fact contain text on the page. If the user types in their own values, it works like it should. Here's the code.
JavaScript:
function fillLookupField(control, value) {
document.getElementById(getClientId(control)).value = value;
}
getClientId() just returns the ClientId so that the control can be accessed from the JavaScript. Here is part of it:
function getClientId(control) {
switch (control) {
case 'BonusCost':
return '<%= txtBonusCost.ClientId %>';
case 'BonusDesc':
return '<%= txtBonusDesc.ClientId %>';
This is the code-behind for the submit button click:
Dim amount As Integer = Val(txtBonusCost.Text)
Dim desc As String = txtBonusDesc.Text
MsgBox(amount & vbTab & desc)
The message box just displays a zero, so the value of an empty String concatenated with another empty String. I've tried making a hidden field and setting its input the same way, and I have the same issue. Any ideas?
Evan Stoner
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Evan Stoner wrote: Any ideas?
Have you looked at the Page Source from the Browser to see what your server generated javascript getClientId has in it?
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