This version of my concentration/memory game script works with images (unlike the prior version that simply generated the effects using CSS). The script can be used in two ways. If you supply one set of images then the game will use two copies of each that need to be matched – as expected. If you use two sets of related images then each image will be used only once and the images will be considered to match when the corresponding images defined in each set are selected.
Most people approach PHP security from entirely the wrong direction. The most common aspect of security that I see people asking about is injection. If they tackled security from the right direction then injection wouldn’t even be a remote possibility that they would even need to consider. The place to start is to ensure that all data being processed is valid and hopefully meaningful. Valid data can never be used for injection.
Handcrafted CSS: More Bulletproof Web Design
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Handcrafted CSS: More Bulletproof Web Design : Dan Cederholm,Ethan Marcotte: Book
I have seen web pages that suggest a for.in loop can be used as a shortcut way of processing an array instead of using a for loop. In fact as I am about to illustrate, in order to process an array a for..in loop ends up needing the largest amount of code in order to correctly process an array.
My PAYPAL IPN script allows for automated processing when Paypal actually accepts the payment (even when it is days later after clearing an echeck. It can either email a purchase as an attachment or can update information on a membership site when the payment is approved.
The latest versions of both the free and advanced versions of my script have the validation rewritten to use more modern code constructs than the earlier versions of the code did.
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If the radio buttons in your form are coded correctly then your visitors can select the button they want by clicking on the associated text just as they can in any other program.
One thing that can slow the loading of web pages is all the images that you want it to display. Where you don’t get the page delayed to download the images is where your visitor has already downloaded them. Where you have a series of web pages you expect your visitors to view in order and some are more image intensive than others you can use CSS to preload images for later pages on the less image intensive pages and average out the speed at which the pages load.
CSS Animations and Transitions for the Modern Web
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CSS Animations and Transitions for the Modern Web : Steven Bradley: Book
There are several reasons for labelling your form fields. Not everyone will be able to tell what text labels what field just from the appearance of the page and so using the label tag to connect them is essential even where it appears to make no difference to how the field works.
If you are just starting to think about getting your first web hosting then you may not understand the difference between the various plans on offer. Here we define some of the terms used with web hosting so that you can better choose hosting that meets your needs.