From family photos to business documents, file uploads power many of the major web applications. A typical HTML form that allows the user to upload a file may look like this: <html> <body> <form action="upload_file.php" method="post" enctype="multipart/form-data"> File Name: <input type="file" name="file" id="file" /> <br /> <input type="submit" name="submit" value="Submit" /> </form> </body> </html> In this case, the...
We'll finish our Learning LESS series today as we talk about putting your LESS into action on your web projects. Today's post will be slightly different than previous posts, as we won't really showcase new techniques and code examples as much as we'll talk about how to use LESS, projects you can work on to jump start your LESS development and more. Blog Series Roadmap ... An Introduction Using Variables Using Mixins Using Nested Rules Using Functions Divide and Conquer Put It Into Action Coding With...
In the first part of this tutorial, detailed information was provided on utilizing RSS (Really Simple Syndication) coding to incorporate free news content and links into any web page. It is recommended that you review Pt. 1, because it explains more about RSS and reveals how to integrate a basic newsfeed module using Google Feed API. The goal of this tutorial is to furnish instructions on adding a larger news content module, a horizontal newsfeed, and a list-format style feed. Let’s get started....
We continue on our journey of Learning LESS today as we dig into an extremely powerful component of LESS: Mixins. If you haven't read our first two posts on the topic, check out Learning LESS: An Introduction and Learning LESS: Variables. Blog Series Roadmap ... An Introduction Using Variables Using Mixins Using Nested Rules Using Functions Divide and Conquer Put It Into Action So let's introduce LESS Mixins, and showcase some of what you can do with them. What is a Mixin? ... A Mixin in LESS is basically...
Geolocation is one of the most exciting features offered by HTML5. Using some relatively simple JavaScript code, you can create Web applications that determine various aspects of the user location, including longitude, latitude and altitude plus more. Some Web applications can even provide navigation functionality by monitoring the user position over time, integrating with map systems such as Google Maps API. As with all HTML5 functions, you cannot yet rely on browser support. Where browser...
In our last lesson, we saw many of the most basic build-time errors in C#. In this session, we will look at some of the errors related to: classes subclasses inheritance Once we address some of the more common errors we will take a look at how you can fix them. #1 Hidden Method Name Creates Overload ... This conflict arises when a base class and its subclass have a function of the same name public class MyBaseClass { public void Function() { // function code goes here } { public class MySubClass : MyBaseClass...
The XREF, or cross reference table, is a database table that links records together. These tables are very good for normalization in your database. I almost always use an xref when I need an many to many relationship. Usually XREF tables have only two columns with no Primary Key. That's right, the two columns together make them unique. They are both Foreign Keys to other tables. A real life example of this would be in any standard CRM. Let's go over this example right now. Many CRM's could have a table to store...
Last week we discussed how important navigation is to a website and how developing an interactive navigation system will help give a clean, minimalist website a bit of character and make it feel modern and current. It’s too easy to make a clean website look dated and as though it were developed in the 90’s, so by injecting modern user interfacing techniques that are popular today you’re able to put the viewer at ease and reassure them that the content is fresh and up to date. We’ll pick up where...