cygx

139 ms·

1291.
by cygx 14y ago
> Maybe I'm just so used to the quirks that I don't see them as a problem any more. To jog your memory, here's a list of questionable design decisions I can think of off the top of my head: Automatic semicolon insertion and a broken ==
1292.
by cygx 14y ago
I am actually a little leery of the thread additions and the atomic additions. I feel that shouldn't be a part of the language specification and I would much rather see that incorporated at a higher level. What higher level? POSIX? Person
1293.
by cygx 14y ago
There's more than one way to violate intellectual 'property' rights, and they need (or at least should) not be treated identically. A (probably) incomplete list I just pulled out of my a^w head: 1. plagiarism 2. espionage 3. for-pro
1294.
by cygx 14y ago
You have to get into the GNU mindset here: If you consider non-free software immoral and your ultimate goal is to outlaw it, providing libraries which can be used by proprietary software makes you guilty of aiding and abetting.
1295.
by cygx 14y ago
Don't know, but possibly because you're derailing the discussion. The outrage is not about constructive (or even unconstructive) criticism of the code itself (which appears to be fine): At least one of the guys ridiculed the author and ques
1296.
by cygx 14y ago
It's GNU policy - see http://www.gnu.org/licenses/why-not-lgpl.en.html
1297.
by cygx 14y ago
I object because I come from an environment [...] where I have spent hundreds of hours undoing people's poor jobs where they wasted time and money reimplementing [...] system commands What you fail to take into account is that there's def
1298.
by cygx 14y ago
See http://stackoverflow.com/a/12412774/48015 for the rationale behind the introduction of VLAs.
1299.
Yet another explanation of negative temperatures
1 points by cygx 14y ago|0 comments
1300.
by cygx 14y ago
Keep in mind that the relations T = ∂E/∂S and 1/T = ∂S/∂E are normally associated with different levels of abstraction: T = ∂E/∂S is implied by the fundamental relation of (phenomenological) thermodynamics, whereas 1/T = ∂S/∂E gets derived
1301.
by cygx 14y ago
But 0K (notice there's no °) is the lowest temperature - it's just that it's also the hottest temperature, depending on which direction you're coming from. Temperature has a nice interpretation as average energy for classical systems, but
1302.
by cygx 14y ago
Not really - this has been done before and the textbook example are spin systems. The newsworthy part is that the negative temperature is realized via motional degrees of freedom.
1303.
by cygx 14y ago
Temperature is conventionally defined as the average kinetic energy of a collection of particles. More precisely, temperature is related to average energy per degree of freedom via the equipartition theorem. This doesn't only break down i
1304.
by cygx 14y ago
Correct. Equation (8) can be used as definition for thermodynamical Temperature whereas equation (7) tells us about the direction of heat flow.
1305.
by cygx 14y ago
Negative temperature is a quantum effect than can be tricky to produce experimentally. There's nothing mysterious about negative temperature from the thermodynamical point of view, but there are no classical systems that exhibit this proper
1306.
by cygx 14y ago
I did not read the article (shame on me), but the story goes like this: Normally, energy of a system is bounded from below (there's a lowest energy). Adding energy to the system increases the number of accessible microstates (individual par
1307.
by cygx 14y ago
Does anyone actually use the Rankine scale?
1308.
by cygx 14y ago
And the kilometer is an average centigrad.
1309.
by cygx 14y ago
On earth, the meridian has an approximate length of 20,003.93m. 20,003.93km / 180 / 60 ≈ 1,852.22m ≈ 1,852m = 1NM Note, however, that 20,003.93km / 200 / 100 ≈ 1,000.20m ≈ 1,000m = 1km so if we used gradians/gon where the
1310.
by cygx 14y ago
> Sure, but that's 3 digits versus 1 It isn't, really. If asked about my approximate height, I'd say 'eins-achtzig' ie 1.8m (notice me omitting the unit), which in practice also has only a single significant digit (or 2 if you account f
1311.
by cygx 14y ago
Not that I'm aware of. Rule of thumb from my totally unscientific personal observations would be that the Rakudo of today is at least one, perhaps even two orders of magnitude slower than the others...
1312.
by cygx 14y ago
Is there a production-grade implementation available yet? Depends on your use case: There are two reasonably complete and stable Perl6 implementations - Rakudo on Parrot and Niecza on .NET/Mono. What needs to be addressed before Perl6 can
1313.
by cygx 14y ago
Perhaps not on a large scale, but things like Agenda 2010 and Riester-Rente in Germany are just that written small.
1314.
by cygx 14y ago
There won't be brain chips Sure about that? http://www.extremetech.com/extreme/142797-brain-pacemaker-he...
1315.
Project Euler at Perl6 Advent Calendar: Slow but Fun(perl6advent.wordpress.com)
3 points by cygx 14y ago|0 comments
1316.
by cygx 14y ago
Using Perl will not rot your brain any more than any other programming language - balance is key: Look at other languages and don't become a one-trick pony. If you look at the popular scripting languages (Perl, Python, PHP, Ruby, Javascript
1317.
by cygx 14y ago
map, grep and join are subs as well as methods. Perl6 is a multi-paradigm language and of course there's more than one way to do it - even when using the same operations. Instead of chaining methods, one could also use # p5 style
1318.
by cygx 14y ago
I'll see your Perl5 and raise you some Perl6: @list.map(*.description).grep(?*).join("\n")
1319.
by cygx 14y ago
These just allocate a fixed-sized stack buffer and overflow to the heap - no variable-length stack allocation happens.
1320.
by cygx 14y ago
> There is no real need for runtime sized arrays, as one could already use vectors [...] and allocate them on the stack And how exactly would you do that? alloca() aside, there is no such thing as a stack allocator.

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