A few days ago, I prepared a Powerpoint presentation and a demo script for a Webinar. The topic under consideration was Implementing Effective Access Control.
The first thing I did was to look for a good definition of “Access Control.” As usual, Wikipedia did the trick, “Access control is the ability to permit or deny the use of a particular resource by a particular entity.” Pretty straightforward.
After defining the term, I demonstrated several different ways that our product (Likewise) provides to implement access controls. I came up with 4 different mechanisms and I know I skipped at least a couple of variations! Likewise lets you implement access controls by placing restrictions on a user account, by manipulating Cells (groups of computers), through access control lists on resources and by using group policy. There are other ways, too, based on setting ACLs on computers and by directly editing configuration files.
On one hand, we can brag about the power of our software. We’ve got enough mechanisms that we can satisfy anyone. Some customers don’t want to use group policy for non-Windows computers; fine, they can use Cell-based mechanisms. Others want a simple Cell architecture and no GP; fine, they use account restrictions or they can set configuration files manually.
On the other hand, when you step back and note the plethora of access control mechanisms, it’s hard not to think that all this should be easier to accomplish.
The real art in software development is providing power while maintaining usability. “Powerful, yet easy to use” has become such an oft-repeated mantra that it has lost all marketing value. Too many programs have promised such but failed to achieve one of the goals (or both!).
Although Apple has a well-earned reputation for delivering capable-yet-usable products, let me mention a couple of others: cars and cameras.
When I look at the dashboard of my car (one with, admittedly, more doodads than most) I note over 100 different buttons that I can press. Controls for windows, wipers, lights, radio, climate, GPS, traction control, locks, cruise control, turn indicators, telephone, parking radar, heat seaters, rear shade, etc. My car has a button that controls whether my door mirrors stick out, pull in or move in and out automatically. If I include “soft” buttons on the touchscreen GPS device, there’s probably more like 200-300 buttons.
In spite of the complexity, it took me less than one hour to learn 95% of the car’s functionality (I still don’t know how to set Address book entries without a Bluetooth phone).
I had a similar experience when I checked out the Canon 40D and Rebel XSi, recently. I was able to flip through the various exposure modes, figure out how to squeeze off multiple shots, and how to perform several other basic camera features. I dutifully noted the “CF” button on the back, but didn’t press it.
Why is that cameras and cars are easier to manipulate than spreadsheets and word processors? You can argue that the latter offer more features, but I think that 200-300 car features is probably comparable to the number of features I use in office products.
I think the key difference is whether or not people have a good existing mental model of how something is supposed to operate. I know, for example, that pretty much any non-American car is going to turn headlights on and off with some stick on the left side of the steering wheel. I’m probably going to pull it back and forth to activate the high beams. I know that there’s going to be an AM/FM band selector for the radio and that there’s going to be a button (probably, with a red triangle on it) that controls the emergency flashers. Every once in a while, I’ll rent an American car and I’ll have to hunt for a headlight know on the dashboard, to the left of the wheel. Every once in a while, too, I talk to someone old enough to remember the metal “pushbutton” on the floor that controlled the high beams on American cars until about 1970.
I knew how to operate the Canon cameras because I already own a Canon camera. Canon is smart enough to minimize UI differences between cameras. They’re also smart enough to exploit common standards or practices. The exposure mode knob is pretty standard on most cameras (with settings for “P”, “M”, “Av” and “Tv” and a bunch of icons). The “CF” button though is not. “CF” stands for “Custom Function”. This is where Canon “hides” about 25 functions that only advanced (or anally retentive) users need to access.
Cameras are a great example of the need to balance power and complexity. The Canon 40D is a formidable instrument. It provides tremendous flexibility over shutter speed, aperture control, flash synchronization, mirror lockup, picture resolution, etc. Either that or you can just put it on “P” and press the shutter.
“Software”, broadly, has no such well-defined model for how it should operate. There are some standard paradigms (for example: establish a selection and then perform an operation on it), but beyond the basics, there is too much variation between applications. For a while, we could count on “File”, “Edit”, “View” and “Help” menus but now Microsoft has gone and messed that up, too. After months of using the new version of Office, I’m still playing “find where they’ve gone and hidden my favorite operation.”
My only excuse when preparing my talk was that, at least, we only make matters a little more complicated. For the most part, the access control mechanisms that we provide are ones with which our customers should already be familiar (on Windows computers). We extend these mechanisms to work with UNIX, Linux and Mac OS X computers adding “only one” new one: the Cell concept. Here, too, we associate Cells with AD organizational units rather than inventing a parallel administration entity.
By the way, if you want to watch the recorded Webinar, you can see it here.
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The goal of any powerlifter is to raise as a lot weight as attainable
in every of those three workouts. Afterward, these three lifts are added together to represent the
“total” quantity of weight lifted that represents this athlete’s effort.
The goal is to focus on one primary lift each day whereas incorporating variations,
tempos, and equipment to address weaknesses and enhance total performance.
That Is one thing you’ll find in all one of the best powerlifting applications.
How you carry out the squat, bench press, and deadlift as a powerlifter might be
much totally different than if you’re a bodybuilder.
A powerlifting training program consists of lifting maximal weight throughout 3
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the truth that the app could be so intuitive that it’s its
own downfall. He won the Mr. Olympia title seven instances
in his profession, an enormous accomplishment.
After Arnold, the bodybuilding world took on another iconic determine who would win much more titles
— Ronnie Coleman. The International Powerlifting Federation was based in 1972 and has been a
leading pressure on the earth of strength sports ever since.
Most federations are represented, together with USAPL, USPA, APF, PA, SPF, OPW, and RPS.
Again, it could be best to use resistance bands to account for 20-40% of
the whole load. You solely have the yellow bands which add up to 70lbs so you’ll just use that.
Subsequently, you would use 50lbs of resistance from bars and plates and 70lbs of resistance from the bands.
Many powerlifting applications implement periodization methods that systematically range training quantity, depth, and train selection throughout
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Heavy lifts, hypertrophy-focused lifts, and primary
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The main objective is to stimulate muscle growth
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These workout routines form the core of a complete exercise routine, concentrating
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The major actions in any powerlifting program, although, are
going to be the squat, bench press, and deadlift.
Even intermediate and superior lifters can add a really small amount to the bar every week for
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training with a low-rep, high-intensity movement.
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entire coaching quantity you are in a position to do.
This workout will both give you specific apply on the 2 power lifts, in addition to provide some
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Similar to the pause squat, the paused deadlift is
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Commonly, the pause is added just an inch or two off the bottom, which is the
biomechanically weakest part of the carry for many lifters.
Search the Carry Vault Program Library to search
out the precise program you’re on the lookout for based on many standards (e.g.
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For these people, powerlifting is a good pursuit as a end result
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In brief, there are two main aspects of the movements that powerlifters
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We use the first competition to learn as a lot as we are ready to about
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Because of this, Bryant’s merits stand alone
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