<b>(a)</b>
(define-get/set-var clock get-time set-time!)
(define-get/set-var pwd getcwd setcwd)
(define-get/set-var user getuid setuid)
...
<b>(b)</b>
(define-syntax define-get/set-var
(syntax-rules ()
((define-get/set-var id get set)
(define-syntax id
(syntax-id-rules (set!)
((set! id e) (set e))
((id a (... ...)) ((get) a (... ...)))
(id (get))))])))
 |
To upload an avatar photo, first complete your Disqus profile. | View the list of supported HTML tags you can use to style comments. | Please read our commenting policy. |
The earliest known C compiler by the legendary Dennis Ritchie has been published on the repository.
HTML5 Mobile Development: Seven Good Ideas (and Three Bad Ones)
All you need to know to get up and running... and programming on ARM
Amazon Web Services CTO says promised land of cloud computing requires a new generation of applications that follow different principles.
Eventually, the vast majority of Web applications will run on a platform-as-a-service, or PaaS, vendor's infrastructure. To help sort out the options, we sent out a matrix with more than 70 decision points to a variety of PaaS providers.
This month, we focus on database development by exploring detailed SQL profiling capabilities in MySQL 5.6, data loading with Apache Flume, extensible database architecture, and much more!
Download the latest issue today. >>
