php-general Digest 5 Oct 2008 18:52:58 -0000 Issue 5719
php-general Digest 5 Oct 2008 18:52:58 - Issue 5719 Topics (messages 281449 through 281450): Re: AJAX and PHP 281449 by: Micah Gersten First 30 characters of a strong 281450 by: Ron Piggott Administrivia: To subscribe to the digest, e-mail: [EMAIL PROTECTED] To unsubscribe from the digest, e-mail: [EMAIL PROTECTED] To post to the list, e-mail: [EMAIL PROTECTED] -- ---BeginMessage--- Per Jessen wrote: Alain Roger wrote: So in this case what is the plus for companies like MS, Google (with Gmail), flicker and so on to use AJAX ? For them (and others), it's about the user experience, and ajax is good at enhancing the user experience. it is on internet, so i guess they have a purpose to do that. mine is to have a responsive and intuitive interface application whatever it is on internet or intranet. Now you are changing the rules - they are very different on the internet. My advice - don't use ajax in an attempt to reduce network traffic. Use it to enhance the user experience. Caching is much better at reducing network atraffic anyway. /Per Jessen, Zürich If it's the size of the page itself that is large, caching does not help as the HTML is pulled everytime if something is different. As for AJAX, check out http://xajaxproject.org It makes AJAX really easy to code. Thank you, Micah Gersten onShore Networks Internal Developer http://www.onshore.com ---End Message--- ---BeginMessage--- How do I display the first 5 characters of a string? $string=abcdefghijklmnopqrstuvwxyz; my desired output is abcde ---End Message---
[PHP] First 30 characters of a strong
How do I display the first 5 characters of a string? $string=abcdefghijklmnopqrstuvwxyz; my desired output is abcde -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] First 30 characters of a strong
On Sun, 2008-10-05 at 14:52 -0400, Ron Piggott wrote: How do I display the first 5 characters of a string? $string=abcdefghijklmnopqrstuvwxyz; my desired output is abcde substr($string, 0, 5); Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] mt_rand() - the same forever?
I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] mt_rand() - the same forever?
I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek Keep in mind (if you're not already) that mt_rand() doesn't technically need to be seeded. -- Richard Heyes HTML5 Graphing for FF, Chrome, Opera and Safari: http://www.phpguru.org/RGraph -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] mt_rand() - the same forever?
I know, but I *want* to seed it. My goal is to have a fixed pseudorandom sequence for each integer (seed) and I don't want those sequences to change regarding PHP version. Janek On Sun, Oct 5, 2008 at 9:52 PM, Richard Heyes [EMAIL PROTECTED] wrote: I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek Keep in mind (if you're not already) that mt_rand() doesn't technically need to be seeded. -- Richard Heyes HTML5 Graphing for FF, Chrome, Opera and Safari: http://www.phpguru.org/RGraph -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] mt_rand() - the same forever?
On Sun, 2008-10-05 at 21:57 +0200, Janek wrote: I know, but I *want* to seed it. My goal is to have a fixed pseudorandom sequence for each integer (seed) and I don't want those sequences to change regarding PHP version. Janek On Sun, Oct 5, 2008 at 9:52 PM, Richard Heyes [EMAIL PROTECTED] wrote: I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek Keep in mind (if you're not already) that mt_rand() doesn't technically need to be seeded. -- Richard Heyes HTML5 Graphing for FF, Chrome, Opera and Safari: http://www.phpguru.org/RGraph Doesn't it also rely on the system clock as well? Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] mt_rand() - the same forever?
On Sun, Oct 5, 2008 at 10:05 PM, Ashley Sheridan [EMAIL PROTECTED] wrote: On Sun, 2008-10-05 at 21:57 +0200, Janek wrote: I know, but I *want* to seed it. My goal is to have a fixed pseudorandom sequence for each integer (seed) and I don't want those sequences to change regarding PHP version. Janek On Sun, Oct 5, 2008 at 9:52 PM, Richard Heyes [EMAIL PROTECTED] wrote: I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek Keep in mind (if you're not already) that mt_rand() doesn't technically need to be seeded. -- Richard Heyes HTML5 Graphing for FF, Chrome, Opera and Safari: http://www.phpguru.org/RGraph Doesn't it also rely on the system clock as well? Ash www.ashleysheridan.co.uk No. When I give a fixed seed to mt_srand(), each time I get the same sequence of mt_rand()s. My question is wheather the actual algorithm behind these functions is likely to change in the next version of PHP or not. Janek -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] mt_rand() - the same forever?
Janek schreef: On Sun, Oct 5, 2008 at 10:05 PM, Ashley Sheridan [EMAIL PROTECTED] wrote: On Sun, 2008-10-05 at 21:57 +0200, Janek wrote: I know, but I *want* to seed it. My goal is to have a fixed pseudorandom sequence for each integer (seed) and I don't want those sequences to change regarding PHP version. Janek On Sun, Oct 5, 2008 at 9:52 PM, Richard Heyes [EMAIL PROTECTED] wrote: I wonder whether I can rely on the stability of mt_srand() and mt_rand(). I want them to generate the same sequence for a fixed seed, regardless of PHP version. Do you think I can trust it? Janek Keep in mind (if you're not already) that mt_rand() doesn't technically need to be seeded. -- Richard Heyes HTML5 Graphing for FF, Chrome, Opera and Safari: http://www.phpguru.org/RGraph Doesn't it also rely on the system clock as well? Ash www.ashleysheridan.co.uk No. When I give a fixed seed to mt_srand(), each time I get the same sequence of mt_rand()s. My question is wheather the actual algorithm behind these functions is likely to change in the next version of PHP or not. not likely to change in the next version at all. but there is no guarantee that somewhere down the road a new 'rand' algorythm won't be used either, 3 things to consider doing: 1. write your own php extension that copies the mt_srand() function as it is now and use your extension's version of the function ... then you can be sure it won't change. 2. ask the devs on [EMAIL PROTECTED] what they think the likelyhood is that the output may change in the future. 3. pre-generate the sequences and store them, then use those pre-generated sequences instead of using mt_srand() (obviously this may not be viable at all) Janek -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Politics
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[PHP] Re:
On Sun, Oct 5, 2008 at 1:00 PM, huaizong wang [EMAIL PROTECTED] wrote: -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
