IT Web Feeds » Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com » April 2008

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• April 30, 2008
• 8:58

  New ColdFusion CFMailParam "Remove" Attribute Makes Deleting Attachments Simple

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  For anyone who has built a web page that has uploaded and sent files (such as sending resumes to the Human Resources department of a law firm), you probably know that one of the most frustrating things about sending mail from ColdFusion is that the mail doesn't get sent out immediately; it gets spooled. This means that your mail file sits in a directory until the mail service finds it and sends it out. Since sending mail is very much a "set it and forget it" function, the point of friction h ... Read More »
• April 29, 2008
• 9:59

  Creating A "Remember Me" Login System In ColdFusion

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  The other day, I was working on a login system that had a "Remember Me" checkbox where, when checked, the user would be automatically logged back into the system upon subsequent visits to the site. I have built systems like this many times before, but for some reasons, I was hitting a mental road block; I was having trouble wrapping my head around certain parts of it, I think because the login system I was working on at the time was a little unique. I tried searching Google, but didn't reall ... Read More »
• April 28, 2008
• 8:08

  Image Manipulation ColdFusion Wrapper Component

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Back when Pete Freitag came to talk at the New York ColdFusion User Group , Peter Bell asked if there was a way to treat the ColdFusion image object as a more traditional object and call methods on it like Image.GetWidth() and Image.GetHeight(). Technically, you c ... Read More »
• April 25, 2008
• 16:00

  ClearCode Standards Project

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  The ClearCode Standards Project is the development standard that outlines the way in which I code all of my applications. I have talked about my methodology before and since then, it has continued to evolve and become more refined. In this blog post, I intend to keep the most up-to-date outline of the rules and the styles involved. I have chosen to do this as a blog post rather than putting it in my ColdFusion ... Read More »
• April 24, 2008
• 15:07

  Dynamically Evaluating Image Functions In ColdFusion 8

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  I was playing around with some ideas when I came across an odd behavior with ColdFusion's Evaluate() method. Now, let me start by saying that I hate the Evaluate() method with a passion and I cringe at the idea of using it; however, I was doing something that involved dynamic execution of built-in ColdFusion methods and Evaluate() is the only way I know of as to how to make that happen (without manually writing out all the use-cases). So anyway, I went to try to use a ColdFusion 8 ima ... Read More »
• 14:31

  Turning On Multiple Statements In ColdFusion 8 MySQL 4/5 Datasource

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Lately, I have been doing a lot of work in ColdFusion 8 and MySQL 5. One of the things that I noticed immediately was that MySQL didn't seem to allow multiple statements within one CFQuery tag. I read that this is apparently done to prevent SQL injection attacks, which as a ColdFusion developer seems kind of silly. Anyway, it took just a little bit of digging to figure out how to turn this feature on. Based on a ... Read More »
• 9:18

  ColdFusion Image Manipulation Functions Return Nothing

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  I have been fooling around with some dynamic image method execution when something I already knew suddenly occurred to me in a different way - ColdFusion image manipulation functions return "Nothing". And, I don't mean that they simply don't return the resultant image object - I mean, just as the documentation states, they return "Nothing" - void. When I realized this, I started to look at all the other ColdFusion methods that don't echo back their primary argument and I realized that it is ... Read More »
• April 22, 2008
• 15:07

  Getting Excited For cf.Objective() 2008

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  cf.Objective() 2008 is almost upon us and I've been so busy with work and with the NYCFUG that I've hardly had time to express my excitement. This is my second ever ColdFusion technology conference, so naturally there is a lot of anticipation; but even more than that, I am really looking forward to the smaller venue. As much as I loved my time at CFUNITED and all it had to offer, I'v ... Read More »
• 8:35

  Content Is Not Allowed In Prolog - ColdFusion XML And The Byte-Order-Mark (BOM)

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  The other day, Dustin Chesterman asked me about an XML parsing error he was seeing. He was getting the "Content is not allowed in Prolog" XmlParse() error. I have blogged about this error before - it is an exception that is thrown when you try to parse XML that has data or white space prior to the encoding declaration or root node. This is often caused when ... Read More »
• April 21, 2008
• 8:48

  No More New Fonts May Be Applied In This Workbook

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Matthew Abbott raised this issue to me a while back and I just haven't had enough time to look into it. Apparently, with my POI ColdFusion Custom Tags , when you have a Microsoft Excel workbook of any legitimate size, Microsoft Excel throws this error when you open the resultant file: No More New Fonts May Be Applied In This Workbook This goes to show you that when you are building fu ... Read More »
• April 18, 2008
• 8:39

  You Cannot Submit Non-Rendered Forms

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  The other night, at Rob Gonda's NYCFUG presentation , we were talking about jQuery and AJAX and I wondered if a non-rendered Form element could be submitted. By that, I mean a Form node that existed in memory but was not actually part of the rendered page's document object model (DOM). See this demo if you are not sure what I mean: <! ... Read More »
• April 17, 2008
• 14:35

  Writing AJAX Return Value Logic On The Server

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Traditionally, when dealing with AJAX, I have only ever had the server return JSON data or formatted HTML data. Then, in the client, I would take that return value and update the DOM using explicit manipulation. However, last night at the New York ColdFusion User Group , Rob Gonda demonstrated a very interesting idea. I am sure many out there have seen this, but this was new to me (and I ... Read More »
• 9:15

  Rob Gonda Rocks AJAX At The New York City ColdFusion User Group

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Yesterday, Rob Gonda flew up from Florida to give a presentation on AJAX in ColdFusion applications to the New York City ColdFusion User Group . It was an excellent presentation and one that was particularly useful to me since I am about to start architecting a rather large, AJAX-intensive application. Whil ... Read More »
• 8:36

  Update To MSSQL To MySQL Translation (II)

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  I have updated my MS SQL to MySQL translation post to include the following functions: Update a table using JOINs - MSSQL Delete from a table using JOINs - MSSQL Creating and populating table variables - MSSQL ... Read More »
• April 16, 2008
• 9:33

  Update To MSSQL To MySQL Translation

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  I have started building out my MS SQL to MySQL translation post . I have decided that I am going to tell the whole "story" in MS SQL 2005 before I even try to attempt any of it in MySQL. I feel like this will help me get it done faster - not having to stop all the time to figure out how this is done in MySQL at ever step of the journey. Here is what I have added: Drop Table If It Exists - MSS ... Read More »
• April 15, 2008
• 14:43

  Translate Microsoft SQL (MSSQL) To MySQL

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  This is going to be a post that I update from time to time and I just wanted to kick if off right now. For years, I have been working on Microsoft SQL Server and I have reached what I think is a descent level of competence in it. As of late, however, I have been doing a lot of work in MySQL. While MySQL is a good database server (from what I have heard), I am having trouble translating all of my MSSQL Server knowledge into MySQL scripts (ex. Declaring temporary tables). Below, I will compile ... Read More »
• 8:29

  A Reminder About Interfaces And The User Experience

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Let's face it, we're programmers - we think about code - wonderful, beautiful, well-tabbed code. The biggest problem that we face is in our applications is that our target users are not programmers and they don't think about code at all. The only thing that they think about is what they can see and feel, which is of course, the user experience. Even when you are using something as powerful as Interface Driven Archi ... Read More »
• April 14, 2008
• 8:56

  Defaulting To The Numeric Keyboard On The iPhone

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  As I have been using my Dig Deep Fitness iPhone fitness application over the last few months, I have noticed a few things that need to be improved; one of the biggest points of friction is the fact that 98% of the text input in the application is numeric and yet, every time I click on an input field, I am presented with the iPhone's Alpha keyboard, which I then have switch over to the numeric keyboard. This adds like 50% more clicki ... Read More »
• April 11, 2008
• 17:25

  I'm Not Dead Yet - But Blogging Might Be Killing Me?

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  No worries, I'm not actually dying; but, I just read this funny / sad article over on the New York Times titled, " In Web World of 24/7 Stress, Writers Blog Till They Drop ." It talks about the tremendous pressure that professional bloggers feel to pump out blog posts even milliseconds ahead of the competition in order to get the bigger traffic share and therefore the bigger ad revenue share. Now, I believe ... Read More »
• 8:49

  Exception-Driven Multi-Step Dependent Algorithms In ColdFusion

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Yesterday, I was discussing multi-step algorithms in which each step depended on the successful completion of all of the steps before it. I had put some thoughts down about some sort of ColdFusion custom tag system that would allow you to chain these kinds of logical steps together. In the comments to my post, Bradley Moore suggested that I use ColdFusion exceptions to handle the flow of the algorithm. To be h ... Read More »
• April 10, 2008
• 9:09

  Thoughts On Chained And Dependent Algorithm Steps

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Not all the time, but enough that it has pained me, I have had an algorithm that has a number of steps in which each step depends on the successful completion of the previous step. Now, I know what you are saying - doesn't every algorithm work that way? I guess, to some degree, yes; but, sometimes, it just feels more obvious. For example, I was working on a data import process yesterday that has the following steps: Upload Excel file Make sure it is upload file in an Excel ... Read More »
• April 09, 2008
• 9:39

  Happy Medium Between Generic Getters / Setters And Property Methods

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  Yesterday, I was reading over on Joe Rinehart's blog about his objections to generic Getter and Setter methods. I don't personally use them since I have not yet gotten too much into Object Oriented Programming (OOP), but I thought I would play around this morning with something that would be a happy medium between the two ends of the spectrum. One of the biggest problems wit ... Read More »
• April 08, 2008
• 8:53

  Compiling Several Linked Files Into One File

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  When I create my Javascript files and Style sheets, I like to break them up into logically cohesive files so that I don't end up editing a CSS files that is four thousand lines long. I will do things like break my CSS up into Content, Meta Content, and Structural files; not only does this allow me to find things quicker, it allows me to easily reuse subsections of my style sheets, for example, including just the content.css file into my XStandard rich text editor. The problem with this techn ... Read More »
• April 07, 2008
• 14:43

  Been Busy, Ready To Be Back

   » ‎ Ben Nadel ColdFusion And Web Development Feed @ BenNadel.com
  For the last month or so, I have been just working like a three headed ox to get out from under a pile of deadlines (I've never seen a three headed ox, but I have to imagine it would be an insanely beasty animal). As a result, I've hardly blogged at all. I feel bad about it, but there was nothing I could do - I was literally drained of all my energy. Anyway, I reached some very important milestones last week and the workload might become a bit more sane. I'm ready to get back on the blogging ... Read More »