Author

Chiau's Tech Insight Lab

@chiauli

articles: 32
total claps: 354
top claps: 59
avg read: 4.2 min
paywalled: 32
active: 2024-01-08 → 2026-01-02

Wiki topics

📱 · Mobile Development · 17 💻 · Programming · 7 GRW · Growth & Analytics · 5 🎬 · Film & Television · 5 🔧 · Data Engineering · 4 VIS · Visual & Graphic Design · 3 🏛️ · Politics · 3 ⏱️ · Productivity · 1

Top tags

#ios-app-development ·11 #google-certification ·9 #swift-programming ·7 #business-intelligence ·6 #segue ·5 #tableau ·5 #swift ·3 #performsegue ·3 #storyboard ·3 #ios-development ·3

TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

Use CGAffineTransform to achieve ImageView Scaling, Mirror-Flip, Rotation, and Repositioning

Learn iOS from scratch and challenge to create 100 apps — Image modification App

Feb 21, 2024 · 4 min read · 59 claps paywalled #ios-development #cgaffinetransform #rotation

Use CGAffineTransform to achieve ImageView Scaling, Mirror-Flip, Rotation, and Repositioning

AI MDA LIF

CH Chiau's Tech Insight Lab

Google Business Intelligence Certificate — Dashboard and Report

This article will focus on the last step of business intelligence. Before studying it, we need to know the foundational terms, data model…

Dec 03, 2025 · 4 min read · 35 claps paywalled #dashboard-design #business-intelligence #artificial-intelligence

Google Business Intelligence Certificate — Dashboard and Report

MDA TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

What is the Navigation Controller? How to generate the “back” button in the iOS app?

As the animation of Figure 1, it is frequently necessary to incorporate a “back” button within an iOS App, enabling users to navigate to…

Jan 08, 2024 · 2 min read · 30 claps paywalled #ios-app-development #navigation-controller #storyboard

What is the Navigation Controller? How to generate the “back” button in the iOS app?

MDA HUM

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to use Segmented Control, Swipe Gesture Recognizer, and Page Control to control image display?

Learn iOS from scratch and challenge to create 100 apps — Book Recommendation App

Feb 18, 2024 · 3 min read · 27 claps paywalled #page-control #segmentedcontrol #gesture-control

How to use Segmented Control, Swipe Gesture Recognizer, and Page Control to control image display?

DSN

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to use @IBOutlet and @IBAction to connect UI and code? How to make a Storybook App?

Learn iOS from scratch and challenge to create 100 apps — Storybook App

Feb 15, 2024 · 3 min read · 23 claps paywalled #ios-app-development #iboutlet #ibaction

How to use @IBOutlet and @IBAction to connect UI and code? How to make a Storybook App?

TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to achieve the Emoji Mix with UIPickerView?

Learn Swift from scratch and challenge to create 100 apps —Emoji Mix App

Mar 01, 2024 · 3 min read · 21 claps paywalled #emojimo #emoji #pickerview

How to achieve the Emoji Mix with UIPickerView?

TCH

CH Chiau's Tech Insight Lab

How to Control Page Transitions using shouldPerformSegue in Swift?

Learn iOS from scratch and challenge to create 100 apps —BMI Calculator Check App

Apr 10, 2024 · 5 min read · 20 claps paywalled #segue #pass-data #control-panel

How to Control Page Transitions using shouldPerformSegue in Swift?

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to use UISlider & Mask in iOS to change the color of specific parts of an image?

Learn iOS from scratch and challenge to create 100 apps — Micky Colorist App

Feb 17, 2024 · 3 min read · 19 claps paywalled #slider #masks #ios-app-development

How to use UISlider & Mask in iOS to change the color of specific parts of an image?

TCH

CH Chiau's Tech Insight Lab

How Do We Implement Photo Filter Functionality in Swift?

Learn Swift from scratch and challenge to create 100 apps — Photo Filter App

Feb 21, 2025 · 4 min read · 18 claps paywalled #photofiltre-studio #uigraphicsimagerenderer #graphics

How Do We Implement Photo Filter Functionality in Swift?

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

Use CAGradientLayer & Mask to create a gradient layer on the ImageView.

Learn iOS from scratch and challenge to create 100 apps — Gradient Color Pokéball App

Feb 23, 2024 · 4 min read · 17 claps paywalled #pokémon-go #pokeball #ios-app-development

Use CAGradientLayer & Mask to create a gradient layer on the ImageView.

CH Chiau's Tech Insight Lab

What Is the Difference Between Forced Casting (as!) and Optional Casting (as?)?

📕📗📙 100 Questions and Answers — Question 16

Mar 14, 2025 · 1 min read · 17 claps paywalled #optionals #optional-chaining #optional-binding

What Is the Difference Between Forced Casting (as!) and Optional Casting (as?)?

TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to use a Timer and CATransition to achieve the effect of a news ticker?

Learn Swift from scratch and challenge to create 100 apps — Name Ticker App

Mar 03, 2024 · 3 min read · 14 claps paywalled #timer-app #news-ticker #ios-app-development

How to use a Timer and CATransition to achieve the effect of a news ticker?

TCH

CH Chiau's Tech Insight Lab

How to Use Multiple Segues to Connect to the Same Page?

📕📗📙 100 Questions and Answers — Question 10

Jan 15, 2025 · 2 min read · 13 claps paywalled #segue #pass-data #transfers

How to Use Multiple Segues to Connect to the Same Page?

TCH SPT

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to animate multiple images in the image view? How to make a Countdown Timer?

Learn iOS from scratch and challenge to create 100 apps — Soccer Scoreboard App

Feb 29, 2024 · 4 min read · 9 claps paywalled #animated-gifs #ios-development #countdown-timer

How to animate multiple images in the image view? How to make a Countdown Timer?

TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

What is a Struct in Swift? What is the difference between Structure and Class?

Learn Swift from scratch and challenge to create 100 apps —Asian Question Test App

Mar 27, 2024 · 4 min read · 8 claps paywalled #struct #structure #class

What is a Struct in Swift? What is the difference between Structure and Class?

TCH

CH Chiau's Tech Insight Lab · JC’s iOS Exploration

How to Convert a String to a Number? How to use nested If-Else statements?

Learn Swift from scratch and challenge to create 100 apps — BMI Calculation App

Mar 02, 2024 · 3 min read · 8 claps paywalled #swift #ios-app-development #string-to-integer

How to Convert a String to a Number? How to use nested If-Else statements?

MKT DSN

CH Chiau's Tech Insight Lab

Google DA Professional Certificate: Case Study 2 — Bellabeat Product Analysis

Google Data Analytics Professional Certificate

Dec 12, 2025 · 10 min read · 7 claps paywalled #data-analysis #case-study #google-certification

Google DA Professional Certificate: Case Study 2 — Bellabeat Product Analysis

TCH MKT DSN

CH Chiau's Tech Insight Lab

Google Data Analytics Professional Certificate — Analyze and Share Phase

As mentioned in the article above, the data analysis process is composed of six phases: ask, prepare, process, analyze, share, and act.

Nov 23, 2025 · 3 min read · 6 claps paywalled #google-certification #analyze #share

Google Data Analytics Professional Certificate — Analyze and Share Phase

MDA SOC

CH Chiau's Tech Insight Lab

Creating a Dashboard in Tableau — Beginner’s Guide

In this article, we explore how to fulfill a requirement from the Department of Transportation.

Dec 05, 2025 · 7 min read · 1 claps paywalled #dashboard-design #tableau #business-intelligence

Creating a Dashboard in Tableau — Beginner’s Guide

TCH

CH Chiau's Tech Insight Lab

How to adjust the page display height? What is sheetPresentationController?

Learn Swift from scratch and challenge to create 100 apps — Pirate King App

Apr 27, 2024 · 3 min read · 1 claps paywalled #ui-sheetpresentation #page-setup #heightandweight

How to adjust the page display height? What is sheetPresentationController?

TCH SOC

CH Chiau's Tech Insight Lab

How Do We Use a Delegate to Change the View Color in Swift?

Learn Swift from scratch and challenge to create 100 apps — Color Selection App

Jan 30, 2025 · 3 min read · 1 claps paywalled #uicolor #delegate #delegation

How Do We Use a Delegate to Change the View Color in Swift?

TCH MKT

CH Chiau's Tech Insight Lab

Google Data Analytics Case Study: How Casual Riders Can Be Converted into Cyclistic Members

Google DA Professional Certificate: Case Study 1— Cyclistic Analysis

Jan 02, 2026 · 12 min read · 0 claps paywalled #data-analytics #google-certification #tableau

Google Data Analytics Case Study: How Casual Riders Can Be Converted into Cyclistic Members

TCH

CH Chiau's Tech Insight Lab

Google Business Intelligence Certificate — Data Model and Pipeline

Before we introduce data models and pipelines in business intelligence, we will first introduce some relevant terms.

Nov 30, 2025 · 7 min read · 0 claps paywalled #data-modeling #data-pipeline #business-intelligence

Google Business Intelligence Certificate — Data Model and Pipeline

TCH

CH Chiau's Tech Insight Lab

How to Create a Login Page Using Segue? What is shouldPerformSegue and performSegue?

Learn Swift from scratch and challenge to create 100 apps — Lion King Login App

Apr 22, 2024 · 6 min read · 0 claps paywalled #performsegue #login-page #data-transfer

How to Create a Login Page Using Segue? What is shouldPerformSegue and performSegue?

TCH MDA

CH Chiau's Tech Insight Lab

From ETL to Insights: Analyzing Repeat Customer Support Calls at Google Fiber

Google Business Intelligence Certificate — Google Fiber (Part 2)

Dec 27, 2025 · 6 min read · 0 claps paywalled #dashboard #tableau #etl