How to generate a VPI warpmap for polynomial distortion correction?
I am able to follow the sample algorithm here: https://docs.nvidia.com/vpi/sample_fisheye.html#sample_fisheye_code for the fisheye lens correction algorithm but I want to use polynomial correction. I...
View ArticleHow to efficiently test some HTTP proxies for accessing a specific domain?
I need an efficient way to test some free online HTTP proxies and determine which ones can access a specific website;And since that proxy testing involves significant waiting time, I opted to redesign...
View ArticlePython standard IO under Windows PowerShell and CMD
I have the following two-line Python (v. 3.10.7) program "stdin.py": import sys print(sys.stdin.read())and the following one-line text file "ansi.txt" (CP1252 encoding) containing:‘I am well’ he said....
View ArticleIs there any way to set a printer as default according with Active Directory...
I'm having an issue at the company where I work. In our print server, there are several printers that we've separated by Cost Center. There are multiple printers linked to the same IP address, where a...
View ArticleWhy a function in a dictionary that passes arguments is executed immediately?...
I'm fairly new to Python.I was creating a script that performed a series of functions.I don't know how many functions I would have done, so I opted for a menu on which the choices were based on a...
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How can I emulate Microsoft Excel's Solver functionality (GRG Nonlinear) in...
Screenshot demonstrating the use of Excel's Solver:I have a task to automate a certain excel worksheet. The worksheet happens to implement a logic with an excel plugin called Solver. It uses a single...
View ArticleHow can py tuple implicit cast to int? [closed]
This code compiles and runs and works fine as a hash for an array of ints : def hashValue(a: List[int]) -> int: return tuple(a)But I don't understand what's going on under the hood.Does py maintain...
View ArticleIt works fine locally, but why does a Flask error appear when I upload it to...
this is error message:First:Traceback (most recent call last):File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1463, in wsgi_appresponse =...
View ArticleHow to reduce noise in recordings with a known audio file
I have a microphone and speaker connect to a RPI inside an art sculpture, my objective is to record new audio clips of people talking into the mic while playing back 3 random recorded audio clips. It...
View ArticleOptimizing Selenium script for faster execution
I've developed a Python script using Selenium for automating tasks on Twitter, including logging in, posting tweets with images, liking own tweets, retweeting, and logging out. While the script works...
View ArticleExport pandas to csv data but before doing so sort date by least to greatest
Upon looking and researching online it does seem that there a numerous way of doing this but not sure if it fits the way that I want it for. Personally I would still like my dates as this format...
View ArticleHow to compute a gradient and a Hessian of a Sympy expression
Let's say we have a Sympy expression:import sympy as sp a = sp.Symbol('a', real=True)b = sp.Symbol('b', real=True)c = sp.Symbol('c', real=True)f = 0.2*a**3 - 0.1*a**2*b - 0.9*a**2*c + 0.5*a**2 -...
View Articlepsutil.sensors.temperatures() only delivers {}
I'm trying to set up a little python script showing me e.g. my current CPU temperature. I imported psutil to do so. As mentioned in the psutil documentation, I tried the command...
View ArticleHow do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:string1 = gostring2 = nowstring3 = great"""I will $string1 thereI will go...
View ArticlePython attribute error when I clearly defined the attribute in the class...
I have a pyqt program and I'll only show a part of it as everything else works fine until I click on something that activates this bit of code:class chTab(QDialog): def __init__(self, chname):...
View ArticleHow would I assign pairs from two groups of people so that each person meets...
I would like to create a schedule for speed meetings between companies in two lists: 10 "A" companies on one side, 20 "B" companies on the other.Here are the rules:each of the 10 "A" companies must...
View ArticleDjango model "doesn't declare an explicit app_label"
After a dozen hours of troubleshooting, I thought I was finally in business, but then I got:Model class django.contrib.contenttypes.models.ContentType doesn't declare an explicit app_label There is so...
View Article"Number of passed names did not match number of header fields in the file"...
Getting this exception while using read_excel function in pandas.I am trying to fetch columns based on the column labels in the header. And getting this error. Can anyone tell me where I am going...
View ArticleConvert lat,lon,data points to matrix (2D grid) at 0.5 degree resolution in...
I have a geodataframe which I load in as follows:gdf = gpd.GeoDataFrame( ds.to_pandas(), geometry=gpd.points_from_xy(ds["CENLON"], ds["CENLAT"]), crs="EPSG:4326",)It looks as:print(gdf) CENLON CENLAT...
View ArticleHow should I troubleshoot "RuntimeWarning: invalid value encountered in...
I am plotting histograms showing distributions of an angle tau. I used a random normal distribution as shown:N= 100000tau = np.arccos(np.random.normal(-1, 1, N))I got the error "RuntimeWarning: invalid...
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