... Costello Wachs
designing with
progressive
enhancement
building the web that
works for everyone
From the Library of Wow! eBook
ptg
section one
the test-driven
progressive
enhancement
approach
... experience for each browser.
Progressive enhancement and graceful degradation: same difference?
Progressive enhancement is frequently compared to, and sometimes confused with,...
... experiment with CSS3 features without worrying about
breaking Internet Explorer 6.
Understanding fault tolerance is the key to understanding
progressive enhancement. Fault tolerance is the reason
progressive ...
12
Progressive enhancement isn’t about browsers. It’s about
craing experiences that serve your users by giving them
access to content without technological restriction...
... how do we do that?
Three Steps to Progressive Enhancement
The steps to making an application that runs with or without
JavaScript are based on layering enhancements onto the basic func-
tionality ... Web (New
Riders, 2007), covers PHP and SQL.
ptg
SCRIPTIN’ WITH JAVASCRIPT AND AJAX - CHAPTER 112
PHP is a server-side language for generating HTML pages. PHP is
written in...
... that was it. The
printer and my computer got along just ne. Setting up a new printer
seemed as simple as plugging in a new radio.
It left me thinking: why can’t it always be like this?
It’s not ... features you add, the less chance you have of coming across
a new feature that is of real value to someone. Sooner or later, your
new features are going to fall at. Adding complexity a...
... Future
The final chapter discusses new types of programmable devices, new uses for
programmable devices, and hybrid devices that combine aspects of programma-
bility with aspects of ASICs. Technical ... unique
semiconductor mask set for each
customer. Changes to the code were
impossible without creating a new
mask set and fabricating a new
chip. The lead time for making
changes to th...
... also allow in-system programmability of the device.
For CPLDs with this capability, a serial interface on the chip is used to send new
programming data into the chip after it is soldered into ... combinatorial logic, you will
prefer function blocks with large numbers of inputs. If the design performs a
lot of parity checking, you will prefer function blocks with built-in XOR
gates. If...
... based on my years of experience designing many types of
programmable devices for small and large companies in different industries, lays
out the entire process for designing a programmable device. ... consultant going from company to company, I decided I
needed a methodology that I could take with me for each new design. It would
have to be one that applied universally to large and sm...
... design and
replace them with higher-performance or optimized designs without affecting
other sections of the design. Adding new or improved functionality involves sim-
ply redesigning one section ... ensuring that your design will
work correctly and within your speed requirements as long as the timing num-
bers remain within certain ranges and with delays that remain relatively con-
tro...
... increases with higher
clock frequencies.
(d) TRUE or FALSE: The chances of a device going metastable decreases with
higher input voltage thresholds.
(e) TRUE or FALSE: Schmidt trigger inputs with ... problem with using this kind of technique for functional testing is
that the scanning requires a lot of software development. Each flip-flop bit must
be stored, and the software must know w...
... Well, they worked hard and came out
with a new place and route tool. Several months later, Xilinx purchased NeoCAD and had a new team
of software engineers and a new place and route tool.
Please ... control measure
to ensure that the newly-modified code still complies with its specified require-
ments and that unmodified code has not been affected by the new code. With
regard to th...