new riders designing with progressive enhancement feb 2010

... 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,...

Ngày tải lên: 31/03/2014, 16:49

... 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 craing experiences that serve your users by giving them access to content without technological restriction...

Ngày tải lên: 22/03/2014, 09:20

... 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...

Ngày tải lên: 27/03/2014, 13:36

... 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...

Ngày tải lên: 31/03/2014, 16:49

... 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...

Ngày tải lên: 22/01/2014, 00:20

... 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...

Ngày tải lên: 22/01/2014, 00:20

... 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...

Ngày tải lên: 26/01/2014, 19:20

... 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...

Ngày tải lên: 26/01/2014, 19:20

... 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...

Ngày tải lên: 26/01/2014, 19:20

... 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...

Ngày tải lên: 26/01/2014, 19:20