Abreonia Ng, Author at iZZiSwift

Can Cython compile to an EXE?

January 15, 2021 Abreonia Ng

Question or problem about Python programming: I know what Cythons purpose is. It’s to write compilable C extensions in a Python-like language in order to produce speedups in your code. What I would like to know (and can’t seem to find using my google-fu) is if Cython can somehow compile into an executable format since […]

Django migration with uuid field generates duplicated values

January 15, 2021 Abreonia Ng

Question or problem about Python programming: I have a uuid field (not a primary key). The generated migration is:

numpy subtract every row of matrix by vector

January 14, 2021 Abreonia Ng

Question or problem about Python programming: So I have a n x d matrix and an n x 1 vector. I’m trying to write a code to subtract every row in the matrix by the vector.

How to set UIBarButtonItem alpha

January 14, 2021January 17, 2021 Abreonia Ng

Question or problem in the Swift programming language: let searchBtn = UIBarButtonItem(image: UIImage(named: “ic_search”), style: .plain, target: self, action: #selector(self.searchButton)) let moreBtn = UIBarButtonItem(image: UIImage(named: “ic_more”), style: .plain, target: self, action: #selector(self.moreButton)) self.navigationItem.rightBarButtonItems = [moreBtn, searchBtn] moreBtn.alpha = 0 //something like this not working class CodeToPass: QualityStandarts { let doesnt = “meanAnything” } I have […]

Functions Defined The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists.

Python: next() function

January 14, 2021January 17, 2021 Abreonia Ng

Question or problem about Python programming: I’m learning Python from a book, and I came across this example:

Django delete superuser

January 14, 2021 Abreonia Ng

Question or problem about Python programming: This may be a duplicate, but I couldn’t find the question anywhere, so I’ll go ahead and ask:

HowTo create predicate for object count several relationships deep? Core Data iOS Swift

January 14, 2021 Abreonia Ng

Question or problem in the Swift programming language: I have a rather vexing issue that I have not yet been able to find an answer to, and was hoping you could help! My situation is this: I have the following object model in Core Data

How to pass an array of Swift strings to a C function taking a char ** parameter

January 14, 2021 Abreonia Ng

Question or problem in the Swift programming language: I’m trying to interact with an old C terminal app from Swift. I’ve successfully integrated the source code and bridged the headers from C to Swift. The code compiles and runs from Xcode 6.3 beta. I’ve renamed the terminal app’s main entry point to:

‘No application found. Either work inside a view function or push an application context.’

January 14, 2021 Abreonia Ng

Question or problem about Python programming: I’m trying to separate my Flask-SQLAlchemy models into separate files. When I try to run db.create_all() I get No application found. Either work inside a view function or push an application context. shared/db.py: from flask_sqlalchemy import SQLAlchemy db = SQLAlchemy() app.py: from flask import Flask from flask_sqlalchemy import SQLAlchemy […]

Get HTTP Error code from requests.exceptions.HTTPError

January 14, 2021 Abreonia Ng

Question or problem about Python programming: I am catching exceptions like this,