Oceane Wilson, Author at iZZiSwift

Reading Unicode file data with BOM chars in Python

January 17, 2021 Oceane Wilson

Question or problem about Python programming: I’m reading a series of source code files using Python and running into a unicode BOM error. Here’s my code:

Swift: Subclassing UITextView or UICollectionView and proper initialization

January 17, 2021 Oceane Wilson

Question or problem in the Swift programming language: The problem with subclassing UITextView (and UICollectionView) is that designated constructor is “initWithFrame”. But in real life, when it loads from storyboard, initWithCoder will be called.

Variadic Parameters v Array Parameter

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am struggling to see if there is an obvious advantage over which method to use when passing values into a function. My code below may not be the best example to explain the decision I’m trying to make, but it is, in my opinion, the easiest […]

Python datetime strptime() and strftime(): how to preserve the timezone information

January 15, 2021 Oceane Wilson

Question or problem about Python programming: See the following code:

I have found four different way to change the iOS status bar in Xcode. Why are there so many and what are the differences?

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I’ve been trying to change the color of the status bar in my Swift app, and I’ve identified four ways to do this in XCode. Yet, I have only been able to successfully use method 3:

“contextual closure type expects 2 arguments” error when using reduce in Swift 4

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: The following code compiles in Swift 3

Swift flatMap gives unexpected result while using with optional array

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: We have an array of the Person objects and each object has another array of String, which is optional. We want the consolidated list of car names in our society.

How to check if a string is a valid regex in Python?

January 15, 2021 Oceane Wilson

Question or problem about Python programming: In Java, I could use the following function to check if a string is a valid regex (source):

The Swift Programming Language Book Chapter Section on Control Flow Experiment 3

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am working through the first chapter of the book and can’t figure out the experiment:

Django REST Framework upload image: “The submitted data was not a file”

January 15, 2021 Oceane Wilson

Question or problem about Python programming: I am leaning how to upload file in Django, and here I encounter a should-be-trivial problem, with the error: