Wallace Wang

University of California, San Diego

Author Statistics

Papers

Citation

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i-10 index

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Author Order

Document Type

Co-Authors

Molly Maskrey

Parker Hannifin (United States)

Tonnetta Walcott

Moshe Rubin

Sheba Medical Center

Andy Thanjan

Albany Medical Center Hospital

Seth Richter

Albany Medical Center Hospital

Raina Patel

Albany Stratton VA Medical Center Albany

Christopher Ashley

Albany Stratton VA Medical Center Albany

Sang Kim

Yale University

Vinay Yalamanchi

Ocean Medical Center

Christopher Ashley

Albany Stratton VA Medical Center Albany

Cooperative Institutions

Albany Medical Center Hospital

Harvard University

Cornell University

New York Hospital Queens

University of Cambridge

Broad Institute

Massachusetts General Hospital

University of Oxford

University of Michigan–Ann Arbor

Albany Stratton VA Medical Center Albany

Author Statistics

Papers

Citation

H-Index

i-10 index

Research Field

Multithreaded Programming Using Grand Central Dispatch

Apress eBooks (2018)

Molly Maskrey Wallace Wang

While the idea of programming multithreaded functions in any environment may seem daunting at first (see Figure 1-1), Apple came up with a new approach that makes multithreaded programming much easier. Grand Central Dispatch comprises language features, runtime libraries, and system enhancements that provide systemic, comprehensive improvements to the support for concurrent code execution on multicore hardware in iOS and macOS.

Multi-core processor

Code (set theory)

10.1007/978-1-4842-3381-8_1

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Prototyping

International series on computer entertainment and media technology (2023)

Wallace Wang

Sketch

10.1007/978-3-031-32202-0_17

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Working with Images

Apress eBooks (2023)

Wallace Wang

Most user interfaces consist of text, but text alone can appear plain. That's why the second most common type of information to display on the screen are images. Images can serve purely for decorative purposes, or they can help the user navigate through a user interface.

Interface (matter)

Plain text

10.1007/978-1-4842-9541-0_5

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Using GeometryReader

Apress eBooks (2023)

Wallace Wang

User interfaces for iOS devices must adapt to different screen sizes. Not only are there different-size screens for the iPhone and iPad, but there are also different screen sizes among different iPhone and iPad models on the market. To solve this problem, SwiftUI centers user interface items, but what if you need to precisely place user interface items in specific locations?

Interface (matter)

Display size

10.1007/978-1-4842-9541-0_21

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Limiting Choices with Pickers

Apress eBooks (2023)

Wallace Wang

Text Fields are great for letting the user enter any type of information such as names or short answers to questions. The problem is that if the user has the freedom to enter anything, they could accidentally (or on purpose) enter invalid data.

Limiting

Freedom of information

10.1007/978-1-4842-9541-0_8

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Multithreaded Programming Using Grand Central Dispatch

Apress eBooks (2023)

Wallace Wang

The next time you pay for groceries in a supermarket, look at the lines at the checkout stands. If there's only one open checkout stand, there's likely a long line of customers waiting to pay. That means everyone has to wait their turn before they can leave. However, if there are multiple checkout stands open, more customers can pay at the same time, and the wait time for everyone is much less. That's the basic idea behind multithreaded programming.

Line (geometry)

10.1007/978-1-4842-9544-1_4

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Debugging Your Program

Apress eBooks (2011)

Wallace Wang

Programs rarely work right the first time. In most cases, you'll need to fix problems as they occur until your program finally works. However, just because a program seems to work doesn't mean that it will work, so that involves more testing and fixing, known as debugging.KeywordsBreak StatementMethod CallProgram FigureSwitch StatementLogic ErrorThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Algorithmic program debugging

10.1007/978-1-4302-3337-4_24

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Understanding Computers

Apress eBooks (2016)

Wallace Wang

Most computers tend to work in similar ways. A monitor displays information, a processor calculates new results, and input devices such as a keyboard, mouse, or trackpad (sometimes called the touchpad) allow someone to control the computer.

Touchpad

Input device

10.1007/978-1-4842-2289-8_1

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Citations (2)

Organizing Code

Apress eBooks (2022)

Wallace Wang

Programs are rewritten and modified far more often than they are ever created. That means most of the time developers must change and modify existing code either written by someone else or written by you sometime in the past. Since you may be writing code that you or someone else will eventually modify in the future, you need to make sure you organize your code to make it easy to understand.

Code (set theory)

10.1007/978-1-4842-7827-7_1

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Handling Errors

Apress eBooks (2022)

Wallace Wang

In a perfect world, you would write code, run it, and it would work exactly as you expected. Unfortunately, we don't live in a perfect world and, in our world, writing software is never simple and easy. In most cases, you'll write code that almost works, but not quite. Then the majority of your time will be spent trying to tweak your code to make it finally work the way you want.

Code (set theory)

10.1007/978-1-4842-7827-7_18

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