| 2005/4/29-5/1 [Computer/SW/Languages/Perl] UID:37411 Activity:moderate | 4/29 I need help getting information off a web site. A page presents
information about an item in locations spread througout the page.
Each page presents information about one item. What is a quick and
easy way to go through several pages, capture all the information
related to each item, and put them into a spreadsheet with a unique
index? I think this might be possible by scraping the screen, but how
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| 2004/11/5-7 [Computer/SW/Languages/C_Cplusplus] UID:34697 Activity:high | 11/5 In C, why is the "offsetof" macro defined to be of type size_t but not
ptrdiff_t? Thx.
\_ Probably because ptrdiff_t is signed and size_t isn't.
\_ How does being signed make ptrdiff_t less portable?
\_ Imagine a 16-bit C implementation, where int is 16 bits, long
is 32 bits, and the maximum object size is 64k - 1. size_t
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| 2004/10/29-30 [Computer/SW/Languages/C_Cplusplus] UID:34449 Activity:very high | 10/29 C++ is so freaking BROKEN. Augh!
\_ Just use C.
\_ Would if I could.
\_ No, you are. C++ works just fine, and far better than C for many
purposes.
\_ C vs. C++. FIGHT!!!
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| 2004/8/30-31 [Computer/SW/Languages/C_Cplusplus] UID:33228 Activity:high | 8/30 Ok this is pretty basic but... is there a way to "escape" text to
avoid it being substituted by C preprocessor macro expansion?
\_ Wouldn't that functionality make C preprocessing as powerful as
lisp's quasiquote/escape? -- ilyas
\_ Squish! Isn't it illegal to talk about lisp on the motd?!
\_ In general no.
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| 2004/7/13-14 [Computer/SW/Languages/C_Cplusplus] UID:32265 Activity:high | 7/12 Someone please explain the following?
((size_t )& ((SomeVar *)0)->Field);
\_ It's a hideous abuse of C++ syntax and results in undefined
behavior. It appears to be an attempt to find out the offset of the
member "Field" in the class/struct type SomeVar. Ow, ow ow.
\_ This is actually not undefined, in C or C++. It is hideous,
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| 2004/7/5 [Computer/SW/Languages/Perl] UID:31164 Activity:high | 7/4 Is there something like a macro in Perl? Couldn't find any in
the Camel book.
\_ If you truly need macros in Perl, you probably want AUTOLOAD.
Of course, if you truly need macros, Perl is the wrong language for
what you are doing. -- ilyas
\_ I don't know perl, but don't almost all interpreted languages have
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| 2004/3/30-31 [Computer/SW/Languages/Perl] UID:12925 Activity:kinda low | 3/17 In Perl, how do I make variables have static types and type check
for valid parameter/actuals? I realize that variables are untyped
in Perl ($var can be 0.001 or "hello") but I'd like to have more
strict checking so that errors would be caught ahead of run-time,
Thanks, -java guy
\_ use java. Seriously. You don't use perl if you want strong
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| 2003/8/29-2004/2/14 [Computer/SW/Languages/C_Cplusplus] UID:12260 Activity:nil | 2/13 Where can I get c macro specifications? What keywords to look in
google?
\_ You might also want to find a good book on the specification of
English, so you don't have to look like an ignorant tool asking
a simple C question.
\_ what do you want to know? There's the C language spec that you
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| 2003/11/26-27 [Computer/SW/OS/FreeBSD] UID:29671 Activity:nil 88%like:11228 | 11/26 what preprocessor macro is defind on FreeBSD so that I can write
conditional code only for FreeBSD? i am using gcc...
What about solaris? Thanks.
\_ You can use __FreeBSD__ and __sun to tell the difference between
FreeBSD and Solaris; you can also use __i386 and __sparc if you
want to know the CPU type. (These all work with Sun's C compiler
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| 2003/8/9-11 [Computer/HW/CPU] UID:29294 Activity:moderate | 8/10 I just build a AMD2500+ computer and overall I'm pretty happy with
it. However it seems to output a lot more heat than my P4. Is this
normal?
\_ yes AMD cpus consume more power and run hotter
\_ I hope you're not settling for a stock fan, and you have at least
2-3 case fans.
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