cadet | Keyboard controller written in Ivory | Keyboard library
kandi X-RAY | cadet Summary
kandi X-RAY | cadet Summary
Keyboard controller written in [Ivory] an eDSL for safe systems programming.
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QUESTION
I've gotten some code thrown together that will go through a folder, open all images with a certain ending, and create a histogram of them with ImageMagick. What I can't do (and maybe this is a conceptualization issue as I'm still fairly new to this), is figure out how to record that into a spreadsheet, ideally with the filename attached. PyXl seems to work with Pandas and Numpy, but I can't figure out the path to take this output and record it.
Is there a solution to take the histogram output and record it in a spreadsheet?
Edit: Adding my code thus far. Operating in Windows 10 Pro, using VSCode.
...ANSWER
Answered 2021-Apr-21 at 11:19On reflection, I think I would probably do it with PIL, wand or OpenCV rather than parse the output of ImageMagick which is a bit ugly and error-prone. I have not worked out a full answer but these ideas might get you started:
Rather than use a lossy JPEG for your palette of colours, I would suggest you use a loss-less PNG or GIF format. You can make the (tiny) palette file for remapping with a command like:
QUESTION
this is a code to create a login i am followinng tutorial but it gave me the error in the title
from tkinter import * import tkinter.messagebox from tkinter import ttk import random import time import datetime
...ANSWER
Answered 2020-Dec-21 at 14:39Because __main__
has to be imported. Anyway, i believe, what you actually need is:
QUESTION
I need to read the file src/rgb.txt
which contains names of colors and their numerical representations in RGB format (the file is presented below line-by-line). Each line contains four fields: red, green, blue, and color name, each of them is separated by some amount of whitespace (tab or space).
I should write a function using Python's regular expressions (this is mandatory) that reads the file and should return a list of strings, so that in the returned list they have four fields separated by a single tab character (\t
).
The first string in the returned list should be:
'255\t250\t250\tsnow'
.
Text file:
...ANSWER
Answered 2020-Nov-01 at 00:32How about this:
QUESTION
I am creating a function that replaces the string with a
~(number)~
.
Now let's say I have a string that says
This is the replacement of ~26~ and ~524~. We still have 2 cadets left. Have2go for the next mission.2
I want to replace all the 2 in a string with ~86~
but when I am doing so the 2 in ~26~
and ~524~
also getting replaced to ~~86~6~
and ```~5~86~4~.
ANSWER
Answered 2020-Nov-01 at 13:13So you need a different regex rule. You don't want to replace 2
. You want to replace 2 when it's not next to another number or ~
.
In order to do this, you can use lookaheads and lookbehinds (although lookbehinds are not yet supported by regexes in JS, I believe, but at least with lookaheads) :
QUESTION
CODE::
...ANSWER
Answered 2020-Nov-01 at 05:37Firstly, your indentation is wrong, you have to place the if
on the same indentation level as class
, like:
QUESTION
ANSWER
Answered 2020-Oct-26 at 13:13You can use attributeContainsWord ~ this will match any words which is delimited by whitespace or attributeContains * this will select any element if the selector's string appears anywhere within the element's attribute value.
Demo code :
QUESTION
if i run my code in the idle it works fine but when i try and execute it with CMD or pyinstaller it does not create the window. i am not sure if it is because i am missing something and i have looked into other questions but none seem to help
my custom modules only give data and generates the main window
It prints everything but does not generate the window. i cant figure out what is wrong any help would be appreciated.
...ANSWER
Answered 2020-Jul-13 at 18:06You are missing mainloop()
function. It should be placed at the end of a GUI creation.
QUESTION
So I'm trying to program an application that will help me log something and facilitate my actions in the future.
I wanted to make it as simple as possible, so I decided to use Win32API.
So I've made the necessary and created the windows/styles I needed, etcetera.
But there is something that triggers me a lot:
When I click on a button called "Add attendee," a window shall popup and asks me an attendee's name.
But when I click it a first time, nothing happens. But when I click it a second time, aforementioned window appears naturally.
So as to discover which problem it is, I decided to put the GetLastError()
function, but it unfortunately returned 0 whenever I click on the "Add attendee" button a first time(when the window doesn't popup).
To know whether CreateWindowW()
is the problem or not, I put std::clog << "Test" << std::endl;
at the beginning of the WM_CREATE
event. And as expected, the text doesn't show up a first time of clicking but it does a second time.
To know further, I decided to do the following:
- Put
std::clog << "Test1" << std::endl;
beforeCreateWindowW()
; - Put
std::clog << "Test2" << std::endl;
afterCreateWindowW()
; - Put
std::clog << "Test3" << std::endl;
at the beginning of theWM_CREATE
event; - Put
std::clog << GetLastError() << std::endl;
afterstd::clog << "Test2" << std::endl;
.
Gotten results:
A first time:
"Test1" is successfully written;
"Test2" is successfully written;
"Test3" fails and doesn't show up;
GetLastError()
returns 0.
A second time:
"Test1" is successfully written;
"Test2" is successfully written;
"Test3" is successfully written;
GetLastError()
returns 0.
After this, I then tried the following:
- Put
std::clog << "Terminate" << std::endl;
at the beginning of theWM_DESTROY
andWM_CLOSE
events.
And as expected, "Terminate" is not written when I click on the "Add attendee" button a first time, and it does show up a second time when I close the window.
So according to the obtained results, I then deduced that the problem comes from CreateWindowW()
. But the real question is why? GetLastError()
returns 0, so normally everything shall be fine.
Here are the parts of my code that imply aforesaid results(entire code), have fun:
...ANSWER
Answered 2020-May-04 at 19:50This answer is on behalf of @Igor Tandetnik:
All I have to do is to put return 0;
at the end of every switch-case statement and every message as follows:
QUESTION
I've tried many different approaches to make a table body scrolling, while having a fixed table header - none of them worked really satisfying, so finally I ended up using a table for the header, and a second table for the body, that is placed within a scrolling container. This works, as long as I give the scrollable container that contains the table body a fixed height.
Now I want a flexible height, so I'm trying with flex:
...ANSWER
Answered 2020-Mar-07 at 13:03You could maybe use less imbrication and start from a template and a few reusable class
(easier to add /remove for testing minimal rules) , then fill the template.
QUESTION
from tkinter import*
import tkinter.messagebox
from tkinter import ttk
import random
import time
import datetime
def main():
root = Tk()
app = Login(root)
class Login:
def __init__(self, master):
self.master = master
self.master.title("Billing Login System")
self.master.geometry("1350x750+0+0")
self.master.config(bg = 'cadet blue')
self.frame = Frame(self.master,bg='cadet blue')
self.frame.pack()
#Some code here
..(Login Conditions)
..
#
#After authentication this window should pop up
class customer:
def __init__(self, root):
self.root = root
self.root.title("eZ Billing System")
self.root.geometry("1350x750+0+0")
self.root.config(bg="cadet blue")
self.frame = Frame(self.root,bg='cadet blue')
self.frame.pack()
#some code here
if __name__ == '__main__':
main()
...ANSWER
Answered 2020-Feb-02 at 07:21I guess you aren't creating main window instance. That's why it is not showing error but not showing any output even. Try adding this :
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