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i have a customer that want to build site of unique bid like :
http://us.dubli.com/Unique-Bid__unique-bid_show.html
i want to build it in LAMP environment.
i do not have an experience in bid sites
my question is :
what important issues do i need to take in advance while building site like this.
is there any open source existing system , that i can use ?
thanks
Important factors are causality between bids, bid closing and time being accurate across all systems.
"is there any open source operating existing system , that i can use ?" leads me to believe you need to read up a bit on web development. The question doesn't make sense in the context that you use it ... because L in LAMP is Linux.
L - Linux operating system
A - Apache web server
M - MySQL Database
P - PHP/Perl/Python
There are many permutations of this setup such as WAMP, LAMM and others. I would also suggest you look at things like Google App Engine or some hosted rails solution to ease the amount of administration then migrate if it is a success.
Edit
If you want an existing system, things like Drupal Auction http://drupal.org/node/67918 exist. Might not be robust, but you can probably find others for other frameworks/CMS
You're trying to plan the whole thing from the OS upwards? If you are unsure what OS to use, I'd suggest you don't manage the hosting side of things until you are a bit more proficient in systems administration. There are crap loads of 'how tos' on building up a LAMP server though.
By 'bid site' do you mean like eBay? Just an auction site? How will members manage payments? How many auctions are you expecting (For selecting the right DBMS for the site)? What language will you use? There are a lot of things to think over before jumping into a potentially large project like this.
Hope that helps
is there any open source operating existing system , that i can use ?
Linux?
EDIT to reflect change in OP
perhaps you want something like this: http://www.invisionize.com/market/v-83/Auction-System-eBay-Clone--IBMafia-/ (note: not free)
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I just started a project in a company, they had it hosted on Google App Engine and the app was developed in Java. The thing is that this code was totally unreadable. So I've came to the conclusion that the best solution would be start it all over.
Because it is a Facebook App, one approach would be to stop using Java and start using their available PHP SDK. But, Google App Engine still doesn't work well with PHP, we can't install Frameworks like Yii without workarounds, etc.
So I think the best solution would be change the place that we are hosting the application. It needs to be a host for scalable PHP applications.
I've researched a little bit and found people talking about Pagoda and appfog.
Do you have any suggestions? What is the best solution considering: price, efficiency and also it needs to be easy to use. I don't have a lot of experiences managing servers, I usually have someone on the company that takes care of all of that for me.
My best advice would be to choose a standard Cloud provider like DigitalOcean, VPS.net or AWS. You get full access to the server to configure and install anything you like, and they often come with pre-built server images with PHP/MySQL/Apache already configured and ready to use.
Heroku has PHP support to https://devcenter.heroku.com/articles/getting-started-with-php and it's ideal for FB apps https://devcenter.heroku.com/articles/facebook
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I'm in need of some sort of software based way to reserve the use of a couple machines. There about 5 different machines used in a lab that are shared among everybody but people need to schedule the days/times they want to use these machines. This is currently handled with pen/paper and you need to physically walk place to place to see when they're free and available for sign-up. I've been tasked with moving this system to a private webserver that currently runs an installation of mediawiki.
I've looked for extensions for mediawiki itself, but I couldn't find any kind of scheduler/planner/queue system that is premade that allows users to reserve a time frame/day to use machine. Additionally it would be nice if anyone could sign up but users were restricted from removing others from the queue(which is why a traditional calendar software with the honor system wouldn't exactly work). The solution doesn't need to be embedded within medawiki itself but must be able to be hosted off of a webserver, do you guys have any suggestions on how I can approach this? The best I can come up with is to buckle down and write my own php/django based site to handle this(I'm not very experienced with either). While I do have time I want to make sure there isn't something available I missed before dedicating my time to writing a custom application, and would appreciate anyone who could help.
While I've not used this:
phpscheduleit
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I'm interested in this field,but I'm only familiar with PHP so far.
If not,can you recommend a tiny but not so bad project that's easy enough to learn?
Take a look at Program O: https://program-o.com/
This is the description of the project:
Program O is an AIML engine written in PHP with MySQL. Here you can
find support, help, bot add-ons, a brilliant and friendly community, and of course the Program O download files.
And this mini tutorial for creating Neural Networks in PHP:
http://www.developer.com/lang/php/creating-neural-networks-in-php.html
This site could be interesting for you as well:
http://ai-php.com/
I notice many people dislike the idea of working with AI with PHP, but since most of the websites are in PHP, it will be a very interesting start to bring AI to them.
PHP Artificial intelligence links.
This is a github project and the project is beautifully active. download and use. But documentation is not complete
php-ai/php-ml
PHP-ML - Machine Learning library for PHP
There are two projects based on the ALICE project. They are Program E which isn't really developed any longer, and Program O which is. You can find them both on SourceForge
Program O https://github.com/Program-O/Program-O
Program E https://sourceforge.net/projects/programe/
Update: Program O is now on GitHub and is still developed. Program E is still orphaned and still located at sourceforge.
PHP is mostly a web-based technology as far as I know.
AI work is typically done in other languages (e.g., Lisp). But that doesn't mean you can't port the ideas to something else like PHP.
But Google found this - first hit on "PHP artificial intelligence".
There are some other samples like spam detection (bayesian networks) or OCR (using newral networks). And i'm sorry guys, php is used also in a server side scripting language and also can be converted into desktop GUI applications with PHP-GTK.
Check this php samples: http://www.phpclasses.org/browse/class/103.html
I'm also searching in this topic, but I'm looking for some kind of simple implementation of rule=based programming in PHP and I just found this http://www.swindle.net/php-rules/ in Google.
Php probably won't be the best technology for AI but there's a library for neural networks which I used to implement on a website. http://ann.thwien.de/index.php/Main_Page It's quite simple but maybe it will help you.
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I'm looking for a PHP script that can:
Be downloaded and installed on my website
Give my site or any other entered url a SEO score
Suggest improvements for the entered site
Is there somethiing open-source available that does this? Maybe even a paid service that allows me to call a web service from my site?
Hardly as a script. Doing the kind of checks you talk about requires constant development and updating. I doubt anybody is going to hand out this kind of script for free. As for web services, you could ask the big "SEO checkers" whether they offer any licensing options.
Speaking of open source, there is a seo plugin for Wordpress "WordPress SEO by Yoast"
http://wordpress.org/extend/plugins/wordpress-seo/
there are two files class-metabox.php and TextStatistics.php which together score text, check for h2 tags, count keyword frequency and density, and a few other simple things. Best way to see it to install the plugin and play with it a little.
However you need to carve out the code yourself to make it work for you.
Sorry, there's no such script out there or open source. One of the reasons you won't find such script is that there's no money to be made from it. That said, some SEO companies have in-house tools built by their developers or custom built based on their specific requirements.
So, think about getting a developer to build one for you - it shouldn't take much to get one running.
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I have a LAMP (PHP) web app which need to interface with programs on an IBM 3270 mainframe (via Microsoft SNA Server). One solution I'm looking at is screen-scraping via 3270. (I'm integrating the present with the past!)
Many years ago, I wrote C code which used HLLAPI as the basis for such a task.
Is HLLAPI still the best way to approach this task?
If so, would I be best off just writing a C app to undertake the work necessary and exec() this C app from php?
Are there any open source HLLAPI providers for Linux? (In the past I used commercial solutions such as Cleo.)
I haven't used it but maybe look at http://x3270.bgp.nu/ which says has a version:
s3270 is a displayless version for
writing screen-scraping scripts
I'm currently trying to do a similar thing but with a command line Python script.
I open a pipe to the s3270 (on Windows the exe name is ws3270) to connect to the server and send all commands.
Read carefully those part of the documentation for scripting:
http://x3270.bgp.nu/wc3270-man.html#Actions
http://x3270.bgp.nu/x3270-script.html#Script-Specific-Actions
While I have no experience with 3270, I would expect that finding and calling on an outside application or library is your best bet. PHP is not an all-purpose tool, hacking into a non-web communications protocols is best left to languages like C or Java that can handle that well.
Screen scraping 3270 applications is a perfectly valid way of getting at data. Many of these applications haven't changed for years, or decades in some cases. Sometimes there is simply no API or other programmatic way of getting at the necessary data.
Nighthawk: You could always learn CORBA, that monstrosity of a system was designed to let C programs talk to remote COBOL systems or random stuff written in PL/I or something.
But seriously, if the old app has no API, 3270 screen scraping is fine. There's a lot of similarities between 3270 screens and HTML forms (unlike character mode terminals).