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Thread: Convert hex value into string
Post: RE: Convert hex value into string
Resolved:
'hex value is: ' + '{:04X}'.format(hex_value) |
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Sancho_Pansa |
General Coding Help |
8 |
5,386 |
Dec-23-2020, 08:54 AM |
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Thread: Convert hex value into string
Post: RE: Convert hex value into string
I rushed a little bit saying it's Ok.
Actually, the problem is not completely resolved: format suppress leading zeros
For example 0x00FF is foramtted as FF, but it should be 00FF.
Any suggestions ? |
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Sancho_Pansa |
General Coding Help |
8 |
5,386 |
Dec-23-2020, 08:32 AM |
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Thread: Convert hex value into string
Post: RE: Convert hex value into string
(Dec-22-2020, 05:31 PM)bowlofred Wrote: Some options:
>>> format(255, "x")
'ff'
>>> format(255, "X")
'FF'
>>> f"{255:x}"
'ff'
>>> f"{255:X}"
'FF'
>>> f"{... |
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Sancho_Pansa |
General Coding Help |
8 |
5,386 |
Dec-23-2020, 08:10 AM |
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Thread: Convert hex value into string
Post: RE: Convert hex value into string
Well ... probably I have to clarify the problem
The hexadecimal value is fixed in the form 0xSS (e.g. 0xFF, 0x42, 0xBA, etc.) It cannot be entered in decimal form, it's part of design feautres
This h... |
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Sancho_Pansa |
General Coding Help |
8 |
5,386 |
Dec-23-2020, 07:51 AM |
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Thread: Convert hex value into string
Post: Convert hex value into string
Hello,
>>> hex_value = 0xFF
>>> string_value = 'hex value is: ' + str(hex_value)
>>> string_value
'hex value is: 255'How to get hex value is: FF ?
Thanks
Sancho |
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Sancho_Pansa |
General Coding Help |
8 |
5,386 |
Dec-22-2020, 04:03 PM |
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Thread: Change property of custom Object
Post: Change property of custom Object
Hello,
In my application I use a customized Widget, developed previously by someone.
Here is the code of this customized widget:
from tkinter import *
from tkinter.font import Font
from datetime imp... |
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Sancho_Pansa |
GUI |
0 |
1,443 |
Dec-17-2020, 10:53 AM |
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Thread: Find two extremum in data series
Post: Find two extremum in data series
Hello,
Does exist a method that allows to find two x-coordiantes of two extremums in data series like this:
[Image: https://i.postimg.cc/j2vNMsCC/absorbation-spectre.jpg]
Thanks,
Sancho |
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Sancho_Pansa |
Data Science |
0 |
1,701 |
Dec-04-2020, 02:06 PM |
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Thread: How to disable custom button
Post: RE: How to disable custom button
Thanks. I didn't notice this disable() |
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Sancho_Pansa |
GUI |
7 |
3,524 |
Dec-04-2020, 01:45 PM |
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Thread: How to disable custom button
Post: RE: How to disable custom button
(Dec-04-2020, 09:33 AM)buran Wrote: can you post minimal reproducible example and the full traceback you get?Here is custom Button:
from tkinter import *
from tkinter.font import Font
import Utils.C... |
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Sancho_Pansa |
GUI |
7 |
3,524 |
Dec-04-2020, 09:48 AM |
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Thread: How to disable custom button
Post: RE: How to disable custom button
(Dec-04-2020, 09:15 AM)buran Wrote: what GUI framework?tkinter |
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Sancho_Pansa |
GUI |
7 |
3,524 |
Dec-04-2020, 09:22 AM |
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Thread: How to disable custom button
Post: How to disable custom button
Hello,
In my project I use custom widgets.
When I try to disable a button
self.myCustomButton.config(state='disabled')error occurs:
Error:unknown option "-state"Any ideas ?
Thanks |
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Sancho_Pansa |
GUI |
7 |
3,524 |
Dec-04-2020, 08:57 AM |
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Thread: Tuning PID controller
Post: RE: Tuning PID controller
(Nov-06-2020, 06:56 PM)Larz60+ Wrote: There are several PID controller tuning packages in this group.
Since I haven't used any of them, I cannot reccommend one over another.
https://pypi.org/search/... |
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Sancho_Pansa |
General Coding Help |
4 |
4,404 |
Nov-09-2020, 07:51 AM |
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Thread: Tuning PID controller
Post: RE: Tuning PID controller
(Nov-06-2020, 04:35 PM)deanhystad Wrote: In Python or are you open to using Matlab/Simulink or C/C++?Matlab/Simulink probably not.
Python or C/C++. |
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Sancho_Pansa |
General Coding Help |
4 |
4,404 |
Nov-09-2020, 07:50 AM |
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Thread: Tuning PID controller
Post: Tuning PID controller
Hello,
Does exist a particular PID library that facilitate PID controller tuning.
Let's say realize following scenario:
specify some guess values for Kp, Ki, Kd
apply some kind of perturbation (e.g... |
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Sancho_Pansa |
General Coding Help |
4 |
4,404 |
Nov-06-2020, 04:00 PM |
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Thread: Solve system of equations
Post: RE: Solve system of equations
(Oct-26-2020, 05:28 PM)Askic Wrote: Hello Sancho,
please double check your equations. I'm looking your last code. Is it Ar = 1 - omega**2*Cs*Cl or
Ar = 1 - omega**2*Cl*L???
Hello Askic.
Here is th... |
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Sancho_Pansa |
General Coding Help |
19 |
8,967 |
Oct-27-2020, 08:15 AM |
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Thread: Parameters aren't seen inside function
Post: RE: Parameters aren't seen inside function
Finally here is the solution: use subs function, that creates new circuit and substitute the parameters:
from lcapy import network, Circuit, j, omega, symbol
import numpy as np
from math import pi
c... |
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Sancho_Pansa |
General Coding Help |
8 |
2,955 |
Oct-27-2020, 07:52 AM |
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Thread: Parameters aren't seen inside function
Post: RE: Parameters aren't seen inside function
Vin is no longer relevant.
What is interests me: how to pass Rin, Cs, L, Rs, Rl as values, defined outside of Circuit, into Circuit. |
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Sancho_Pansa |
General Coding Help |
8 |
2,955 |
Oct-26-2020, 03:48 PM |
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Thread: Parameters aren't seen inside function
Post: RE: Parameters aren't seen inside function
From the link it isn't clear how to use symbols.
For example, if I create symbol for Rin:
Rin = symbol('Rin')
Then, how to associate this symbol with a real value (eg 50.0) so that Rin is perceived as... |
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Sancho_Pansa |
General Coding Help |
8 |
2,955 |
Oct-26-2020, 03:34 PM |
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Thread: Parameters aren't seen inside function
Post: RE: Parameters aren't seen inside function
Hello,
If I properly understood your suggestion, I have to define parameters as expression.
Doesn't work. In the example below when I build a ircuit, using numeric values, it works.
Once I try to use... |
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Sancho_Pansa |
General Coding Help |
8 |
2,955 |
Oct-26-2020, 02:47 PM |
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Thread: Solve system of equations
Post: RE: Solve system of equations
Thanks.
1st value (i.e. L) is Ok.
2nd value (i.e. C) is lower than expected of 30%
The last one (i.e. R) is 40% of expected.
Here is code, that generates expected values:
import math
Pi = math.pi
fo... |
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Sancho_Pansa |
General Coding Help |
19 |
8,967 |
Oct-26-2020, 10:55 AM |