Ollie MC, Author at iZZiSwift

Smoothen Edges of Chroma Key -CoreImage

January 17, 2021 Ollie MC

Question or problem in the Swift programming language: I’m using the following code to remove green background from an image.But the edges of the image has green tint to it and some pixels are damaged.How can i smoothen this and make the cut out perfect.

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

Printing to screen and writing to a file at the same time

January 17, 2021 Ollie MC

Question or problem about Python programming: I found some code online that generally works, but I want to use it multiple times in the same program (write different things to different files, while still printing to the screen the whole time).

Alternative implementations of python/setuptools entry points (extensions) in other languages/applications

January 15, 2021 Ollie MC

Question or problem about Python programming: While this question has a python backend, the question is not tied to python itself, but rather about extension mechanisms and how to register/lookup for plugins.

Python is a powerful general-purpose programming language.

Pandas: Knowing when an operation affects the original dataframe

January 15, 2021 Ollie MC

Question or problem about Python programming: I love pandas and have been using it for years and feel pretty confident I have a good handle on how to subset dataframes and deal with views vs copies appropriately (though I use a lot of assertions to be sure). I also know that there have been tons […]

iOS 9 – Xcode: “Follows Readable Width” programmatically

January 15, 2021 Ollie MC

Question or problem in the Swift programming language: In iOS 9, there is an option in the Xcode SIZE inspector called “Follows Readable Width” which will place padding on the left/right sides of a view so that it won’t stretch out so far (especially on iPads) in order to make the content easier to read.

Celery task that runs more tasks

January 15, 2021 Ollie MC

Question or problem about Python programming: I am using celerybeat to kick off a primary task that kicks of a number of secondary tasks. I have both tasks written already.

How to write custom python logging handler?

January 15, 2021 Ollie MC

Question or problem about Python programming: How to write custom console log function to output only on the console window log messages on a single line (not append) until the first regular log record.

Inheritance best practice : *args, **kwargs or explicitly specifying parameters

January 15, 2021 Ollie MC

Question or problem about Python programming: I often find myself overwriting methods of a parent class, and can never decide if I should explicitly list given parameters or just use a blanket *args, **kwargs construct. Is one version better than the other? Is there a best practice? What (dis-)advantages am I missing?

Why doesn’t my iOS app disable dark mode?

January 15, 2021 Ollie MC

Question or problem in the Swift programming language: So … I’ve tried to set my app to disable iOS 13 dark mode by forcing light mode according apple documentation, in the emulator all attempts work fine, but when I try on the real device, nothing happens, it’s like I’ve never changed my code

Convert CGFloat to CFloat in Swift

January 15, 2021 Ollie MC

Question or problem in the Swift programming language: I’m simply trying to round the CGFloat return value of CGRectGetWidth.