psi | Ψ A minimal , sensible , scripting language
kandi X-RAY | psi Summary
kandi X-RAY | psi Summary
PSI is a scripting language with the following aims:.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of psi
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Community Discussions
Trending Discussions on psi
QUESTION
My problem is how to combine the recursive, F-algebra-style recursive type definitions, with monadic/applicative-style parsers, in way that would scale to a realistic programming language.
I have just started with the Expr
definition below:
ANSWER
Answered 2021-Jun-10 at 17:15If you need a monadic parser, you need a monad in your unfold:
QUESTION
Can anyone tell me what is wrong with this code? It is from https://jakevdp.github.io/blog/2012/09/05/quantum-python/ . Everything in it worked out except the title of the plot.I can't figure it out.
but when the code is run, it polts this
Here is the code given:-
...ANSWER
Answered 2021-Jun-04 at 18:23The problem is resolved when blit=False, though it may slow down your animation.
Just quoting from a previous answer:
"Possible solutions are:
Put the title inside the axes.
Don't use blitting"
See: How to update plot title with matplotlib using animation?
You also need ffmpeg installed. There are other answers on stackoverflow that help you through that installation. But for this script, here are my recommended new lines you need to add, assuming you're using Windows:
QUESTION
def my_func(input_pressure): input_pressure = float(input("Enter pressure in psi: ")) return input_pressure/14.6 my_func(50) print("Value outside function: %s",input_pressure)
...ANSWER
Answered 2021-Jun-04 at 07:46First of all, to fix your indentation error, your code should look something like this:
QUESTION
Start with an enum in Swift:
...ANSWER
Answered 2021-Jun-02 at 22:37This works for me, hope this is what you have expected.
QUESTION
Edit: Forgot to run numba more than once (oops!)
Ive looked at the numba versions of namedtuple and Dict as potential solutions but they seem much slower (about 10000x slower) in comparison to their python counterparts.
...ANSWER
Answered 2021-May-31 at 03:48The biggest issue is the fact that you are measuring the first execution of build_params_numba
, which includes the compilation (it is compiled Just-In-Time, just as you requested). This is like measuring the time-to-dinner between a classic meal and a microwave meal, but you're including the time to buy and install a microwave oven as part of the latter. Measure the second invocation of build_params_numba
, when the compilation has been already completed, to see how the compiled function performs.
The second issue is that numba
might not be of much help with your code. AFAIK it is designed to speed up numerical algorithms and numpy code. By necessity, namedtuple
and dict
are Python data structures and numba
has to treat them as such; so even though you requested nopython mode, Numba cannot oblige, as it only works when a native data type can be detected for all values in your code (I think — not 100% sure on this point though).
QUESTION
I have a grid array full of True and False values, and I want to iterate only over the True values.
...ANSWER
Answered 2021-May-27 at 13:37As pointed out in the comments, np.select
is your best choice here.
The following snippet runs in a few seconds on my laptop.
QUESTION
I am not sure if I am making this question correctly but here's my issue:
I have a .csv file (InjectionWells.csv) that I need to split into columns based on commas. When I do it, it just doesn't work and I can only think might be an encoding but I don't know how to fix it. Can someone shed a light?
Here are few lines of the actual file:
API#,Operator,Operator ID,WellType,WellName,WellNumber,OrderNumbers,Approval Date,County,Sec,Twp,Rng,QQQQ,LAT,LONG,PSI,BBLS,ZONE,,,
3500300026,PHOENIX PETROCORP INC,19499,2R,SE EUREKA UNIT-TUCKER #1,21,133856,9/6/1977,ALFALFA,13,28N,10W,C-SE SE,36.9003240,-98.2182600,"2,500",300,CHEROKEE,,,
3500300163,CHAMPLIN EXPLORATION INC,4030,2R,CHRISTENSEN,1,470258,11/27/2002,ALFALFA,21,28N,09W,C-NW NW,36.8966360,-98.1777200,"2,400","1,000",RED FORK,,,
3500320786,LINN OPERATING INC,22182,2R,NE CHEROKEE UNIT,85,329426,8/19/1988,ALFALFA,24,27N,11W,SE NE,36.8061130,-98.3258400,"1,050","1,000",RED FORK,,,
3500321074,SANDRIDGE EXPLORATION & PRODUCTION LLC,22281,2R,VELMA,2-19,281652,7/11/1985,ALFALFA,19,28N,10W,SW NE NE SW,36.8885890,-98.3185300,"3,152","1,000",RED FORK,,,
I have tried both of these and non of them work:
1.
...ANSWER
Answered 2021-May-21 at 15:28As your csv files contain some non-ascii characters also, you need to pass a different encoding. utf-8 can't handle that.
I tried thisand it's working :-
QUESTION
I'm currently using sympy to check my algebra on some nasty equations involving second order derivatives and complex numbers.
...ANSWER
Answered 2021-May-19 at 05:49You need to use the SymPy built-ins, rather than treating those symbols as free variables. In particular:
QUESTION
I have the following data:
...ANSWER
Answered 2021-May-15 at 13:02Maybe something like this:
QUESTION
I am a new guy in C# development and I am looking for a App to define a firewall rule...
I searched nearly everywhere and found some code using NetFwMgr
but it didn't work and I don't know why!?
but I knew the cmd
code for it, so I started to use the Process
way in visual studio 2019
.
the code line in cmd
works fine and returns the word "OK." but I cant do it in C#
if anyone can help me understand the concept of it, I would be appreciate it.
here is the code snippet of what I have done:
...ANSWER
Answered 2021-May-15 at 08:23You are calling cmd.exe
and not netsh
. The string you are passing as argument is not extecuted in the newly created console, you'd need to run cmd /c ...
for that.
Just use netsh
as your psi.Filename
and advfirewall ...
as your argument
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