Photo album tutorial. Today I will tell you how to create photo album using one old library (Image flow). Hope that you will love this too.
What is most important – that it allow to load xml set of images which you can provide via PHP file. So just imagine, that in your script (or even possible – CMS), you will able to generate different galleries based on different params. As example photo galleries of different members.
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Stumbleupon tutorial. Today I will tell you about another similar tutorial, but about Stumbleupon. We will create application which will show our (or any wished profile) Stumbleupon posts. And we will use XSLT transformation to parse XML (RSS) provided by Stumbleupon. I will using my profile for our sample. After some investigation I find that SU provide our list of favs in rss format here: http://www.stumbleupon.com/syndicate.php?stumbler=aramisgc – where ‘aramisgc’ is my account name. Also, we can obtain our comments too: http://www.stumbleupon.com/syndicate.php?stumbler=aramisgc&comments=1. So, we have all to start. Today I`ll show you how to display this information in any view.
Twitter tutorial. Today I will tell you how to create application which will display your Tweets (or someone else) at your website. And we will use XSLT transformation to parse XML (RSS) provided by Twitter. As example I take my Twitter account. At this page you can see that I have RSS channel: http://twitter.com/statuses/user_timeline/83882961.rss. Today I`ll show you how to display this information in any view.
Today we will talk about cryptography. As we know, cryptography – the set of methods to ensure confidentiality and authenticity of information. Cryptography is even science. Encryption can be reversible (when we can get the source text) and irreversible (when we can can`t get the source text). Today we will talk about using an irreversible encryption methods (like md5, sha, haval, ripemd and others) in web development.
Irreversible encryption is most often used to encrypt passwords. All in order not to store passwords as open text. Thus even if your database is hacked – you can be sure that the attacker does not receive a single password. How are we going to check – whether the user enters a password – simply, we will encrypt the entered data too. Of corse, passwords are not the only where encryption is used. We also can encrypt text, files, and after transferring – check for hash sum of sent data. This is just examples of using.
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PHP Guestbook with using math captcha
Today I will tell you how to create your own guestbook with spam protection system – math captcha. This will and easy for your members and also good new protection from bots. In our guestbook we will use mySQL to store records.
Ajax with jQuery – several interactive samples
Ajax – this is group of technologies using in web development to create interactive applications. Ajax is client-server technology which allow to web page to retrieve data asynchronously from server without reloading page. All this allow to achieve really nice and good results. jQuery library will help us greatly with it. All just because it have all methods to work with Ajax.
Twitter crossposter with OAuth
Recently (seems in august of 2010) Twitter was changed, and now it doesn’t support basic authentication (as usual via CURL), all authentication is done via OAuth.В In this article I made tutorial how to create crossposter to Twitter (using Twitter OAuth).
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I got one interesting theme. How to upload files without refreshing whole page during submitting. Hope this will interesting to you. Lets check 2 methods – using ordinary iframes and external library. Also I will using jQuery in work too (I like it).
How to create captcha in PHP using GD library
Today I will tell you about very important thing – captcha protection. Usually this is very important to prevent automated sign-ups in your registration forms, comment spam in blogs and guestbooks, or another brute force attacks. I will give sample how to draw protection image using our hands.
Today we use jcrop api. During browsing the Internet I noticed one new good plugin which we can use to work with images. This is JCrop plugin, it can help us to perform different effect with images (as example highlight some objects using animation or zooming images. But main purpose is cropping.