Wayne's Talk - Page 2 of 13

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1.5K views
4 minute read

Building Swift Package as XCFramework

ByWayne
04/02/2024

Compared with Xcode project’s Build Settings, Package.swift is much simpler to use. However, when we convert a Xcode framework project into a Swift package, the XCFramework cannot be built successfully.

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4 minute read

Integrating Apple Pay to iOS App

ByWayne
18/01/2024

Apple Pay is Apple’s mobile payment service. We can use Apple Pay to make a tap-to-pay in physical stores or purchase goods in apps. In addition, the Wallet app in iPhone can manage credit cards, so we don’t need to carry several credit cards.

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4 minute read

Android

Integrating Google Pay to Android App

ByWayne
17/01/2024

Google Pay is Google’s mobile payment service. We can use Google Pay make a tap-to-pay in physical stores, and we can also purchase goods in apps. In addition, Google Wallet can manage credit cards, so we don’t need to carry several credit cards.

1.6K views
3 minute read

ECDSA Signing and Verifying Examples

ByWayne
12/12/2023

Elliptic Curve Digital Signature Algorithm (ECDSA) is a digital signature algorithm (DSA) commonly used for digital signatures. This article will introduce how to use ECDSA to sign and verify in Android and iOS.

493 views
5 minute read

Operating System

GCC Inline Assembly

ByWayne
30/09/2023

GCC’s inline assembly allows us to embed assembly code in C code. C code is much more readable than writing assembly code directly.

812 views
5 minute read

Operating System

x86-64 Calling Conventions

ByWayne
27/09/2023

Calling conventions refers to the specifications that the two functions should follow when one function calls another function. For example, how to pass parameters and a return value between them. Calling conventions are part of the application binary interface (ABI).

760 views
8 minute read

Operating System

Linker Script

ByWayne
25/09/2023

When compiling source files into executable files, GCC compiles source files into object files. Then, the linker links the object files into a executable file with a linker script.

1.2K views
5 minute read

Operating System

x86 Memory Map

ByWayne
20/09/2023

After the x86 PC boots, it will be in real mode. At this time, we can access memory below 1 MB. However, the BIOS also uses some memory. Therefore, we must know which areas the BIOS occupies in order to avoid them.

478 views
16 minute read

Operating System

ELF

ByWayne
17/09/2023

ELF file is the file format used by Linux. Whether you want to learn linkers or disassemble, you need to understand ELF files.

349 views
7 minute read

Operating System

Makefile

ByWayne
13/09/2023

Makefile is the most commonly used compilation tool in Linux. Stuart Feldman created it at Bell Labs in 1967. Although it may be older than you and me, it is still active nowadays.

Get source code of posts.

Building Swift Package as XCFramework

Integrating Apple Pay to iOS App

Integrating Google Pay to Android App

ECDSA Signing and Verifying Examples

GCC Inline Assembly

x86-64 Calling Conventions

Linker Script

x86 Memory Map

ELF

Makefile

Linear Regression

Regularization

Overfitting and Underfitting

Logistic Regression

Feature Scaling

Spring Security JWT Authentication with Google Sign-In Explained

How to Backup and Restore MySQL Databases in Spring Boot

Sending Push Notifications Using FCM in Spring Boot

Python Pie/Donut/Sunburst Charts

Kotlin Coroutine Flow Tutorial

Spring Security JWT Authentication with Google Sign-In Explained

How to Backup and Restore MySQL Databases in Spring Boot

Sending Push Notifications Using FCM in Spring Boot

Python Pie/Donut/Sunburst Charts