Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
jonsen
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
17 ms
·
151.
▲
by
jonsen
5y ago
> ...effect on molecules that are dipolar? That's exactly what happens in a microwave oven. Water molecules are dipolar and vibrates with the microwaves.
152.
▲
by
jonsen
5y ago
I think this WP article is rather illuminating: https://en.m.wikipedia.org/wiki/IC_power-supply_pin
153.
▲
by
jonsen
5y ago
I guess you could benefit from consulting a dictionary on 'to face'.
154.
▲
by
jonsen
5y ago
An integer doesn't need a point.
155.
▲
by
jonsen
5y ago
Self driving trailer shouldn't be difficult.
156.
▲
by
jonsen
5y ago
The batteri should go in a trailer. Swap the trailer. The car itself could be smaller. Luggage could go on the trailer.
157.
▲
by
jonsen
5y ago
They are buried.
158.
▲
by
jonsen
5y ago
"Applied metaphysics Although metaphysics as a philosophical enterprise is highly hypothetical, it also has practical application in most other branches of philosophy, science, and now also information technology. Such areas generally
159.
▲
by
jonsen
5y ago
> I've never understood the obsession with Spivak Maybe one can be so happy about having made it through such a tough subject that it has to be a good book? I mean, do people normaly study from more than one text?! > ...to give
160.
▲
by
jonsen
5y ago
> Then a case with two elements, Then a case with three elements, Then a case with four elements, ... Ah yes, I see why you end up with a formidable collection of test cases.
161.
▲
by
jonsen
5y ago
If interested in a comprehensive treatment of this kind of imperative program design: The Science of Programming by David Gries.
162.
▲
by
jonsen
5y ago
Subtractive sculpture: https://artistryfound.com/what-is-subtractive-sculpture/
163.
▲
by
jonsen
5y ago
> Mass gets cancelled out there, ... Two equal airplanes but with different weight can glide the same distance, same glide angle, but the heavier plane will have higher airspeed to give the extra lift needed for the extra weight.
164.
▲
by
jonsen
5y ago
Oh, I didn't need to. No problem reading the full article.
165.
▲
New approach could treat dozens of diseases
(nationalgeographic.com)
2 points
by
jonsen
5y ago
|
2 comments
166.
▲
by
jonsen
5y ago
This is the first time I see a new monospaced typeface and it does not immediately invoke some skepticism.
167.
▲
by
jonsen
5y ago
May I suggest you consult a dictionary for 'make sense of'.
168.
▲
by
jonsen
5y ago
( Reverse Polish Notation; RPN)
169.
▲
by
jonsen
5y ago
In fact the pulse travelled slower than the speed of sound. Thereby fitting more bits on the same length of wire. The transducer twisted the wire, so a rotational pulse spiraled down the wire. This takes longer time than a purely axial soun
170.
▲
by
jonsen
5y ago
> So 34 times 15 is ... We who knows our powers of two do 34 ~= 2^5 15 ~= 2^4 2^5 * 2^4 = 2^9 = 512
171.
▲
by
jonsen
5y ago
Just solve this one, and you will love percentages forever: Is x% of y the same as y% of x?
172.
▲
by
jonsen
5y ago
There are better explanations out there, but don't judge it on page count alone. It's a compact, to the point, and no-fluff exposition. That's definitely a quality by itself. I've used it with success to teach a young ma
173.
▲
by
jonsen
5y ago
WP is rather informative about the approach: https://en.m.wikipedia.org/wiki/Programmed_learning
174.
▲
by
jonsen
5y ago
Programming Languages: Design and Implementation by Terrence W. Pratt Coming from electronics and computer hardware this made me see that those "mysterious" high level languages where all just loops and if-then-else statements.
175.
▲
by
jonsen
5y ago
The wiki page is rather informative in the sense of choosing which historical languages may be worth a closer look: https://en.m.wikipedia.org/wiki/History_of_programming_langu...
176.
▲
by
jonsen
5y ago
Next paradigm, Fungional Programming.
177.
▲
by
jonsen
5y ago
I was there. I've done my share of programming in assembler and building hardware for embedded systems. I certainly needed to know the hardware details, but I never saw a need to rewrite the opcodes in another notation. I definitely ap
178.
▲
by
jonsen
5y ago
Exactly. Then there's no need to scream an odd headline. I wouldn't say there's any "conflict". Who needs to know the detailed hardware structure? Compiler writers maybe, but they experience and order of magnitude m
179.
▲
by
jonsen
5y ago
> ALL 80x86 OPCODES ARE CODED IN OCTAL That's a backwards way of saying it. I'd rather say, given the hardware structure of the bit fields of the opcode register, the binary opcodes are perhaps better described by octal notatio
180.
▲
by
jonsen
5y ago
Just a thought, maybe this is a general phenomenon: "I knew myself well enough to realize that working in industry as a ______ would have brought only endless frustration and ultimately kill my love for a subject that I could not bear
More ›