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Charlie Arehart
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A veteran ColdFusion developer since 1997, Charlie Arehart is a long-time contributor to the community and a recognized Adobe Community Expert. He's a certified Advanced CF Developer and Instructor for CF 4/5/6/7 and served as tech editor of CFDJ until 2003. Now an independent contractor (carehart.org) living in Alpharetta, GA, Charlie provides high-level troubleshooting/tuning assistance and training/mentoring for CF teams. He helps run the Online ColdFusion Meetup (coldfusionmeetup.com, an online CF user group), is a contributor to the CF8 WACK books by Ben Forta, and is frequently invited to speak at developer conferences and user groups worldwide. |
Monitoring Your
ColdFusion Environment
With the Free Log Parser
Toolkit By Charlie Arehart  There are many resources
we should analyze to
ensure optimal ColdFusion
operation or to help
diagnose problems.
Fortunately, there's an
awesome free tool that
comes to our aid to turn
voluminous data into
useful information. Nov. 14, 2006 02:30 PM Reads: 19,734 Replies: 4 | FusionDebug Tips, Tricks,
and Traps By Charlie Arehart  FusionDebug is an easy
straightforward tool, but
if you leverage the
experience of others, you
can be even more
productive. Oct. 28, 2006 05:00 PM Reads: 14,729 | Errors in Your Code By Charlie Arehart  Errors and bugs: they
happen in all code,
mostly in development but
in production too and
perhaps more easily in
CFML than in compiled
languages. There are
several features to help
better handle, debug, and
test for them, and this
article will focus on
those. Oct. 8, 2006 12:00 PM Reads: 14,041 | Profiling CFML at the Tag
Level, Finally! By Charlie Arehart  The ability to view
tag-level execution
profiling (the amount of
time spent on each tag in
a request) is no longer a
dream, and it opens up
powerful new forms of
debugging and performance
tuning. Sep. 24, 2005 03:00 PM Reads: 13,850 | Getting Started
Integrating CFML with
Java & .NET By Charlie Arehart It's great to have a
whole issue of CFDJ
focused on integrating
CFML with Java. The
process is a lot easier
than many might think, as
the articles in this
issue will show. May. 18, 2005 01:00 PM Reads: 12,412 | CFML on J2EE: Easy as
1-2-3 By Charlie Arehart Why reinvent the wheel
when you can easily run
your CFML applications on
any J2EE server? If your
team is considering or
being forced to move to
J2EE (WebLogic,
WebSphere, JBoss, Tomcat,
etc.), it may be helpful
to know that you don't
have to throw away or
even re... Jun. 22, 2004 12:00 AM Reads: 17,434 | CFUN-04: Who, What, When,
Why? By Charlie Arehart There are many excellent
conferences and user
groups for CFML
developers, and one that
consistently gets great
reviews is Michael
Smith's CFUN event, which
will be held in the
Washington, DC, area June
26-27. This preview gives
you the 4-1-1 on the
event. Apr. 13, 2004 12:00 AM Reads: 12,490 | Making the Case for CFML
on J2EE By Charlie Arehart Do you really know what
it means to run CFML
applications on a J2EE
server? How does it work,
and why would you bother?
There are many benefits
you may never have
considered. In this
article, the first of a
series, I'll answer these
questions. Apr. 13, 2004 12:00 AM Reads: 19,397 | CFDEBUGGER By Charlie Arehart Have you ever wanted to
see what lines of code
are being executed in
your template? If you
looked for CFTRACE to do
that, you were likely
disappointed. Nov. 11, 2003 11:13 AM Reads: 11,935 | Ready for the Leap Year? By Charlie Arehart While we all made it
through the new year,
there is still at least
one more date issue to
contend with. Many
systems may not properly
recognize that this year,
2000, is a leap year. Sep. 23, 2003 12:00 AM Reads: 7,287 | Considering Advanced
Security By Charlie Arehart Advanced Security is a
set of features that came
out in 4.0 of ColdFusion
Server, and it offers
several very interesting
improvements on security,
both in terms of how
authentication is done,
and what can be secured. Sep. 18, 2003 12:00 AM Reads: 6,348 | CF Advisor Interviews
Allaire's Adam Berrey By Charlie Arehart; Phillip D. Chonigman CF Advisor learns more
about ColdFusion 4.5, in
the first installment of
a two-part interview with
Allaire Corp.'s Product
Marketing Director. Sep. 18, 2003 12:00 AM Reads: 7,865 | CF Advisor Interviews
Allaire Corp.'s Jeremy
Allaire and Adam Berrey By Charlie Arehart; Phillip D. Chonigman In the second installment
of an exclusive two-part
CF Advisor interview,
Allaire's Vice President
of Technology Strategy,
Jeremy Allaire, joined
Product Marketing
Director Adam Berrey in
mapping out Allaire's
multiple programming
language strategies for
ColdFusion... Sep. 18, 2003 12:00 AM Reads: 7,139 | DC ColdFusion Conference,
1999 By Charlie Arehart On Saturday, June 26 in
Bethesda, Maryland,
several hundred CF
developers gathered for
the first annual DC
ColdFusion User
Conference. Created and
organized by TeraTech,
which sponsors the
Maryland CFUG, and
co-sponsored by several
other notable CF firms
includi... Sep. 18, 2003 12:00 AM Reads: 7,238 | Allaire Developer's
Conference By Charlie Arehart For a first-time event,
the 1999 Allaire
Developer's Conference
provided a jam-packed two
days of information and
socializing for the more
than 1,000 developers in
attendance. Sep. 18, 2003 12:00 AM Reads: 6,172 | New CFERROR Feature
Allows Greater Control By Charlie Arehart One of the great new
features in 4.5 is a new
form of global exception
handling. Whereas 4.0
introduced CFTRY/CFCATCH
to wrap around a segment
of code to be tested and
acted upon in case of
error, we were still
limited to the aged
CFERROR tag to trap
general errors. Sep. 18, 2003 12:00 AM Reads: 6,991 | Free, Limited
Functionality Version of
ColdFusion By Charlie Arehart It seems that many,
especially newcomers, are
not aware that Allaire
created a free, limited
functionality version of
ColdFusion. Sep. 18, 2003 12:00 AM Reads: 6,486 | Tips By Charlie Arehart We've all been taught
that, when we have a
choice to take all we can
of something, we should
instead take only what we
need. Sep. 17, 2003 12:00 AM Reads: 7,231 | Handling Errors in Studio
Query Building or
Debugging Tools By Charlie Arehart The query building and
interactive debugging
tools in Studio each work
in conjunction with the
RDS (remote development
services) feature,
whether you're working
with databases or
templates that are stored
locally or against a
remote server. Sep. 17, 2003 12:00 AM Reads: 6,047 | Easier Insertion of Dates
with CFINSERT/CFUPDATE By Charlie Arehart When you're inserting
date/time values into a
database, you want to be
careful about deciding
whether the date should
be hardcoded into the
form (perhaps as a hidden
field) or whether it
should be computed at the
time of the data entry. Sep. 17, 2003 12:00 AM Reads: 7,654 Replies: 1 | Be Careful in
Multi-conditioned CFIF's By Charlie Arehart When performing a CFIF
testing multiple
conditions, be careful
when testing against a
value that could equate
to a Boolean true or
false (0 or 1, yes or no,
etc.). Sep. 17, 2003 12:00 AM Reads: 6,741 | Testing Against Many
Values in a CFIF By Charlie Arehart If you have to test a
condition against many
values in a CFIF, you
may be tempted to write
out a very long
condition, such as: Sep. 17, 2003 12:00 AM Reads: 7,187 | Saving Files Where
Expected in Studio By Charlie Arehart Studio has an interesting
(and to some, annoying)
mechanism for
determining where to save
newly created files. If
you're not aware of
this approach, you can be
left feeling that Studio
has made a mistake in
deciding where to save a
fileĀif you even notice
... Sep. 17, 2003 12:00 AM Reads: 6,337 | Whither The Studio Query
Builder By Charlie Arehart Did you know that Studio
has a built-in SQL query
builder? It provides a
drag-and-drop SQL query
building interface (much
like that used in MS
Access) that can be
performed against any of
your available
datasources, including
Access, SQL Server, and
the rest. Sep. 17, 2003 12:00 AM Reads: 5,567 | Updated Studio
Documentation By Charlie Arehart If you've longed for more
documentation on how to
get the most from the
ColdFusion Studio editing
tool, Allaire has heard
you. There have been two
recent updates to the
documentation that you
may have missed. Sep. 17, 2003 12:00 AM Reads: 6,275 | Automatically Close
Quotes, Pounds, and
Comments in Studio By Charlie Arehart Did you know that you can
have Studio automatically
close quotes, pounds, and
comments when you enter
an opening one? Sep. 17, 2003 12:00 AM Reads: 5,604 | Doing IF Tests Within
CFMAIL By Charlie Arehart You've probably noticed
that CF leaves white
space in HTML pages where
CF tags existed before
the page was processed. Sep. 17, 2003 12:00 AM Reads: 5,872 | TIPS By Charlie Arehart Let's say you want to
create a dynamic SQL
query -- that is, a
CFQUERY that looks up
different fields
depending on
circumstances. Why would
this be useful? Let's
say you're creating an
employee roster
application. Sep. 17, 2003 12:00 AM Reads: 8,226 | Quick Access to Tag Help By Charlie Arehart Did you know that in
Studio you can place the
cursor on a tag and press
F1, to view the help file
for that tag? Sep. 17, 2003 12:00 AM Reads: 6,082 | Be Careful in Placement
of Database Files By Charlie Arehart If you're using Microsoft
Access as the datasource
for a CF application, you
should be very careful
about the placement of
that database file (the
.mdb file) on your web
server. Sep. 17, 2003 12:00 AM Reads: 5,294 | Datasource Name Case
Sensitivity By Charlie Arehart It may be hard to
believe, but there are
times when you should pay
careful attention to case
(use of upper and lower
case letters) when
spelling the datasource
name in a CFQUERY tag. Sep. 17, 2003 12:00 AM Reads: 5,566 | Using the SQL Built in
the Studio Query Builder By Charlie Arehart After you've built some
SQL in the tool, you have
the option of either
copying the SQL you build
to the clipboard-to paste
into your CFML
template-or 'saving' the
query for later use. Sep. 17, 2003 12:00 AM Reads: 4,985 | Using Saved Queries in
the Query Builder By Charlie Arehart If you 'save' the query
instead (either by using
the left-most icon at the
top of the query builder
or by simply closing the
query builder... Sep. 17, 2003 12:00 AM Reads: 4,391 | Using Extended Find and
Replace in Studio By Charlie Arehart Ever had to find all the
references to a given
string among all the
files in your
application? And how
about in all the files in
any of several
subdirectories, perhaps
in your web root? Sep. 16, 2003 12:00 AM Reads: 5,245 | The "Studio" Route to
CF's Many Powerful
Functions By Charlie Arehart ColdFusion provides us
with an incredible wealth
of functions for
performing everything
from string and date
manipulation to array and
list processing. Sep. 16, 2003 12:00 AM Reads: 4,761 | Setting Up Your
Development Server with
ColdFusion 5, MX, and
BlueDragon By Charlie Arehart; Jeffry Houser The world of ColdFusion
application servers is
quite interesting at the
moment. Macromedia's
recent update to CFMX 6.1
promises to add a lot of
stability and speed to
the product. BlueDragon,
New Atlanta's alternate
CFML runtime engine
continues to gain
moment... Sep. 11, 2003 12:00 AM Reads: 26,971 Replies: 3 | Browsing Within CF
Studio/HomeSite+ By Charlie Arehart Do you know how to use
the internal browse
capability in CF Studio/
HomeSite+? Did you know
that you don't need to
use the RDS feature to
be able to do so? And
that you can use it to
browse not only CFML
templates running on both
ColdFusion and
BlueDragon, but ... Aug. 12, 2003 12:00 AM Reads: 15,257 Replies: 2 | The Secret Powers of
Includes By Charlie Arehart You've probably been told
for years that CFINCLUDE
is like a compile-time
directive that 'pulls
code' from another file
into your template for
reuse. That's wrong. I'll
prove it to you. Indeed,
have you ever tried to
include something other
than a CF template? You
... Jul. 11, 2003 12:00 AM Reads: 13,699 Replies: 7 | Getting into HomeSite+ By Charlie Arehart Fans of ColdFusion Studio
may lament that
Macromedia no longer
sells the product, but
take heart. It really
does continue to exist in
the guise of HomeSite+,
which is basically the
same thing and then some.
What's more - if you own
Dreamweaver MX, you can
install ... Jun. 16, 2003 12:00 AM Reads: 16,797 | CFMX Updaters 1-2-3 By Charlie Arehart Is your CFMX server
running with the latest
set of fixes? Macromedia
now uses 'Updaters' as a
means to apply patches
and extensions. There
have been three so far.
Are you running the
latest, or any at all?
How would you know? And
why should you bother? May. 1, 2003 12:00 AM Reads: 13,706 Replies: 2 |
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