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  • Use async let to run background tasks in parallel in Swift

    calendar Jan 15, 2023 · 9 min read · async let async await task swiftui  ·
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    Use async let to run background tasks in parallel in Swift
    The async/await syntax was introduced in Swift 5.5 with Meet async/await in Swift in WWDC 2021. It is a more readable way to write asynchronous code and is easier to understand than dispatch queues and callback functions. The async/await syntax is similar to those used in other programming languages like C# or …
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  • Add horizontal scroll to charts with SwiftUI Charts in iOS 16

    calendar Dec 4, 2022 · 11 min read · line chart bar chart scroll swiftui  ·
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    Add horizontal scroll to charts with SwiftUI Charts in iOS 16
    Apple introduced SwiftUI Charts at WWWDC 2022, which makes it incredibly easy to create charts within SwiftUI views. The default chart presents the entire data in the chart plot regardless of how much data is available. It can be beneficial to show more details on a chart and add the ability to scroll through the …
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  • NavigationSplitView with Employee and Department models

    calendar Nov 20, 2022 · 9 min read · navigation navigationsplitview swiftui  ·
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    NavigationSplitView with Employee and Department models
    Apple introduced NavigationStack and NavigationSplitView at WWWDC 2022 to replace NavigationView, which has been deprecated. The documentation for NavigationSplitView includes sample code, but the code does not work as it is missing model data. Here is some model data to allow the sample code in the documentation to …
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  • Display top section of Bar Charts with Swift Charts

    calendar Oct 23, 2022 · 12 min read · bar chart chart swiftui  ·
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    Display top section of Bar Charts with Swift Charts
    There are times when data in a bar chart has similar values for a number of the bars and it can be difficult to see the differences. One option is to zoom in on the top section of the bar chart. This article investigates a number of options and identifies the best approach for this in Swift Charts.
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  • Visualise the Matthew Effect with Swift Charts

    calendar Oct 16, 2022 · 16 min read · bar chart chart matthew swiftui  ·
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    Visualise the Matthew Effect with Swift Charts
    I came across the Matthew effect recently, which struck me as very unfair so I wondered if I could reproduce the results demonstrated. This article outlines the Swift code for an app to test the redistribution of coins in a closed population based on random coin tosses between agents in the population.
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  • Create a circular slider in SwiftUI

    calendar Sep 25, 2022 · 10 min read · slider circle swiftui  ·
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    Create a circular slider in SwiftUI
    A Slider control is a UI control that allows the user to select a value from within a range of values. In SwiftUI, it is usually presented as a thumb selector on a linear line. There are times when it might be better to present this type of selector as a circle with the thumb moving around the circumference. This …
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  • Create a bar chart with SwiftUI Charts in iOS 16

    calendar Sep 11, 2022 · 8 min read · bar chart chart swiftui  ·
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    Create a bar chart with SwiftUI Charts in iOS 16
    At WWWDC 2022, Apple introduced SwiftUI Charts, which makes it easy to create various charts within SwiftUI views. This article demonstrates how to quickly create a bar chart and customise the chart containing multiple sets of data.
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  • Customise a line chart with SwiftUI Charts in iOS 16

    calendar Aug 14, 2022 · 11 min read · line chart Area chart chart swiftui  ·
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    Customise a line chart with SwiftUI Charts in iOS 16
    SwiftUI Charts introduced in iOS 16, can present data in an intuitive visual format and can be created quickly using SwiftUI Charts. This article demonstrates a couple of ways to customise a line chart and combine with an area chart to present data.
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  • Create a line chart with SwiftUI Charts in iOS 16

    calendar Aug 7, 2022 · 8 min read · line chart chart swiftui  ·
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    Create a line chart with SwiftUI Charts in iOS 16
    Apple introduced SwiftUI Charts at WWWDC 2022, which makes it incredibly easy to create charts within SwiftUI views. Charts are a great way of presenting visual data in a rich format that is easy to understand. This article shows how to easily create a line chart with so much less code than was previously used to …
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  • Save an image to MacOS file system with SwiftUI

    calendar May 22, 2022 · 7 min read · NSSavePanel image file macos swiftui  ·
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    Save an image to MacOS file system with SwiftUI
    SwiftUI does not have a control to present an open/save dialog to the user to allow saving files to the macOS filesystem. One could build such a view from scratch, but it is easier to use NSSavePanel from AppKit. This article demonstrates how to use NSSavePanel to get the URL for the file to be saved and use …
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Eric Callanan

Lifelong learner, Software Engineering Manager, Passionate, Curious
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SWIFTUI 77 PYTHON 28 PATH 13 SWIFT 13 PANDAS 12 BAR-CHART 10 MVVM 8 ANIMATION 7 COLOR 7 MATPLOTLIB 7 PLOTLY 7 CANVAS 6 CHART 6 COVID-19 5
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2D2 3D2 ACTIVITY-RING1 ADDCURVE1 AI3 ALGORITHM1 ANGULAR1 ANGULARGRADIENT1 ANIMATABLEDATA4 ANIMATION7 AREA-CHART1 ARRAY1 ARRAYSLICE1 ASYNC3 ASYNC-LET1 AWAIT3 AXIS2 BAR-CHART10 BUTTON1 BUTTONSTYLE1 CANCEL1 CANVAS6 CARD1 CHART6 CHATGPT3 CIRCLE2 COLOR7 COMPACTMAP1 CONCAT1 COVID2 COVID-195 CROSS-PRODUCT1 DATAFRAME3 DEPENDENCY-INJECTION1 DI1 DICTIONARY1 DIVISION1 DOT-PRODUCT1 ENUMERATE1 FIBONACCI1 FILE1 FILTER1 FLATMAP1 FLIP1 FLOOR1 FOREACH1 FORM1 GEOMETRYREADER1 GEOPANDAS1 GEOPLOT1 GRADIENT3 HSB2 HSTACK1 ILOC1 IMAGE2 INDEX1 IPYWIDGETS1 ITERATE1 JSON2 JSONDECODER1 LINE-CHART4 LINEARGRADIENT1 LIST1 LOC1 LOOP1 MACOS1 MAP1 MAPVALUES1 MATHPLOTLIB4 MATPLOTLIB7 MATTHEW1 MINIMAX3 MODAL1 MONTY-HALL3 MVVM8 NAVIGATION2 NAVIGATIONSPLITVIEW1 NSSAVEPANEL1 PALETTE1 PANDAS12 PATH13 PERFORMANCE2 PHOTO1 PIE-CHART1 PLOTLY7 POLYGON1 PREFIX1 PROBABILITY3 PROGRESS1 PROGRESSVIEW1 PUZZLE1 PYTHON28 QR-CODE1 RADIAL1 RECURSION1 REDUCE1 RGB1 ROMAN-NUMERALS1 SCROLL1 SHADING1 SHAPE5 SLIDER3 SPEED1 STAR3 STYLE1 SWIFT13 SWIFTLINT1 SWIFTUI77 TABULAR-DATA1 TABVIEW1 TASK4 TDD4 TEXT2 TIC-TAC-TOE5 TIMELINEVIEW4 TIMING1 UI-TESTING1 UNIT-TEST1 UNIT-TESTING1 USERDEFAULTS1 VECTOR4 VECTORARITHMETIC4 VSTACK1 WHEEL1 WHERE1 ZIP1 ZSTACK1
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