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  • Create a star rating SwiftUI component

    calendar Jan 2, 2022 · 9 min read · star shape path swiftui  ·
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    Create a star rating SwiftUI component
    Create an interactive star rating SwiftUI component. This article will use the star cutout shape with rounded corners as well as elements of the custom slider to create a star rating component in SwiftUI.
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  • How to customise the Slider in SwiftUI

    calendar Dec 26, 2021 · 10 min read · Slider swiftui  ·
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    How to customise the Slider in SwiftUI
    There is limited ability to customise the Slider in SwiftUI as of Xcode 13. These are three options of presenting a custom view of the Slider in a SwiftUI App. Set the tint color and background color of the slider; fall back to using the UISliderView from UIKit or create a custom SliderView from scratch in SwiftUI.
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  • Countries with highest deaths from covid

    calendar Dec 18, 2021 · 14 min read · python plotly covid-19  ·
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    Countries with highest deaths from covid
    A lot of time was spent in 2020 looking at daily covid numbers, which was getting overwhelming. Having taken a break for a while, this article combines covid data and vaccination data with population data to present a view of the countries with the highest deaths from Covid-19 and the vaccination status in the country.
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  • Star with rounded corners in SwiftUI

    calendar Dec 12, 2021 · 16 min read · star shape path swiftui  ·
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    Star with rounded corners in SwiftUI
    The Star shape used in the Star cutout has sharp corners. This article shows how to modify the shape to create stars with rounded corners. The radius of the corner can be set as a parameter to specify the rounding of the outer and inner corners of the star.
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  • Create a Star cutout shape in SwiftUI

    calendar Dec 5, 2021 · 14 min read · shape star path swiftui  ·
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    Create a Star cutout shape in SwiftUI
    Path can be used in SwiftUI to create practically any shape. I found creating a cutout shape difficult until I found that FillStyle can be used with the even-odd rule. This article shows how to create a shape outline where the outside can be colored and the center kept transparent to allow other content to show …
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  • Animate Text size change in SwiftUI

    calendar Nov 28, 2021 · 3 min read · animation text swiftui  ·
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    Animate Text size change in SwiftUI
    One way to animation the change in text size is to use scale effect, however the text will appear blurred when scaled up. A custom AnimatableModifier can be used to smoothly animate the resizing of text in SwiftUI, which results in displaying clear text at all sizes through the animation.
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  • Convert numbers to Roman Numerials in Swift

    calendar Nov 21, 2021 · 5 min read · roman numerals zip swiftui  ·
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    Convert numbers to Roman Numerials in Swift
    Roman numerals, from ancient Rome are a way of writing numbers using these letters from the latin alphabet [I, V, X, L, C, D and M]. Each letter has a fixed integer value and can be combined to represent any number from 1 to 3999. This article demonstrates how to convert a integer to the Roman Numeral representation.
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  • Create a line chart in SwiftUI

    calendar Nov 14, 2021 · 13 min read · line chart chart path swiftui  ·
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    Create a line chart in SwiftUI
    A line chart is a graphical representation of changes in some data over time or between categories. The chart consists of two axes; x-axis is the horizontal axis representing the time change; and y-axis is the vertical axis representing the magnitude of the data. This article demonstrates how to create simple line …
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  • How to filter a Pandas DataFrame

    calendar Nov 7, 2021 · 11 min read · pandas dataframe filter python  ·
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    How to filter a Pandas DataFrame
    There is a filter method on Pandas DataFrame, but it is limited to only filtering on the labels on the index columns. There are multiple ways to filter a DataFrame to focus on the information required. This article demonstrates a number of ways to filter data in a DataFrame.
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  • Test Driven Development in SwiftUI - Part 3

    calendar Oct 31, 2021 · 23 min read · MVVM TDD minimax tic tac toe swiftui  ·
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    Test Driven Development in SwiftUI - Part 3
    This is the fourth part in this trilogy! - with a brief interlude last week for an introduction to the Minimax algorithm. This article builds on the App from part 1 and 2, which allows two players to play Tic Tac Toe. In this article we will implement the minimax algorithm to determin the best move for the computer to …
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Eric Callanan

Lifelong learner, Software Engineering Manager, Passionate, Curious
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