Posts by qmchenry
    Posted July 8, 2008 by

    Defend Your Web Server Against Distributed Denial of Services (DDos) Attacks

    In computer security, it quickly becomes apparent that preventing computer attacks is much more challenging than attacking computers. A good example of an easy technique to prevent a website from functioning is a distributed denial of service, or DDoS, attack in which a number of compromised computers around the internet make web (or other protocol) […]

    Category Linux security

    Posted June 8, 2008 by

    Mac OS X: Use the Keyboard Viewer to Identify Special Character Keystrokes

    If your computer work entails frequent use of special characters, the OS X built-in Keyboard Viewer can make your life easier. This small window shows a live view of the characters available on the keyboard given the currently selected language and any modifier keys pressed (shift, option, etc.). An optional pulldown menu provides viewing the […]

    Category Apple Mac

    Posted June 7, 2008 by

    Growl: Close Multiple Notifications with One Click

    In an earlier Tech-Recipe I described how to configure Growl to keep notifications on your screen when you are away from your computer. If you are an internet socialite, follow a number of chatty Twitter-ers, or somehow manage to get a slew of notifications, closing them one at a time may make you think lowly […]

    Category Apple Mac

    Posted May 12, 2008 by

    Growl: Make notifications persist when away from your computer

    Growl notifications are a clever, highly customizable, and fun way to receive messages from various Mac applications. Sorry Windows users, Growl is Mac-only. These notification messages persist for a few seconds by default, long enough to read their content but not so long that they are in your way. When you are away from your […]

    Category Apple Mac

    Posted April 6, 2008 by

    Symfony: Delete an Application

    The command line provisioning utility in symfony provides mechanisms to create an application, but doesn’t have the means to delete one. If you’ve unintentionally created an application or no longer need an app and want to do housecleaning, this Tech-Recipe describes how to get it gone.

    Category Symfony

    Posted April 4, 2008 by

    Symfony: Fix propel-insert-sql error: Can’t connect to local MySQL server

    After building your model and the SQL code to represent it, symfony offers a mechanism to insert the SQL code directly into your configured database. If you are running MySQL locally, this should work for you with no additional configuration. If you are running MySQL on another server, as is common in shared web hosting […]

    Category Symfony

    Posted March 23, 2008 by

    Google Maps: Exclude Certain Search Results

    This is a simple but handy tip while using Google Maps in a browser or on an iPhone. Here’s the scenario: I’m in NYC attending a conference near Grand Central Terminal. Needing a coffee fix, I whip out my iPhone, use the locator button to find my rough location, and type ‘coffee’ into the search […]

    Category Google

    Posted March 8, 2008 by

    PHP: Print the current year for copyright notices

    Hardcoding the year in a copyright notice is an easy way to get a blog or other website started, just placing the starting and ending years next to the copyright symbol. We have the very best of intentions to change this number right after the big ball drops in Times Square each year. We’re also […]

    Category PHP programming

    Posted March 6, 2008 by

    Mac OS X: Use the DigitalColor Meter to Evaluate Lab Colors

    The DigitalColor Meter utility is built into OS X and provides a powerful color inspector. With it, you can determine the color under the mouse pointer wherever it aims. While this handy tool works in RGB by default, those who love Lab color (or those learning to love it) can easily adjust this tool to […]

    Category Apple Mac

    Posted February 27, 2008 by

    Photoshop: Change eyedropper sample size

    One simple setting in Photoshop can make your life a little easier and your work a little smarter. That may be a bit of a hyperbole, but altering the sample size of the eyedropper tool in Photoshop from the default setting makes sense most if not all of the time. The how and why of […]

    Category Graphics

    Posted February 23, 2008 by

    Photoshop: Enlarge Layer Palette Thumbnail Size

    If you work extensively with layers in Photoshop, you may be suffering from layer-palette-thumnail-squintitis, a condition resulting from squinting at the tiny little thumbnails in the layer palette. Until medical treatments are available, you can just make them bigger using the steps in this short but sweet recipe.

    Category Graphics

    Posted January 7, 2008 by

    Aperture: Create landscape or portrait only orientation smart albums

    Smart albums in Aperture allow gathering photos based on specific metadata keywords, camera type, date and so on, basically anything you can see in the Metadata view. One useful smart album trick is filtering based on orientation, portrait or landscape. This recipe will walk you through setting up this type of smart album.

    Category Graphics