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Tongcheng Travel Technology Center

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Latest from Tongcheng Travel Technology Center

99 recent articles

Tongcheng Travel Technology Center

Jul 25, 2018 · Product Management

The Evolution and Role of User Research in Internet Companies

This article traces the historical emergence of the user research role in internet companies, outlines four development stages from early software to user‑centered design, and explains how its methods and theory stem from traditional market research, highlighting the evolving responsibilities and significance of user research today.

Product DesignUXUser Research

0 likes · 9 min read

The Evolution and Role of User Research in Internet Companies

Tongcheng Travel Technology Center

Jul 12, 2018 · Fundamentals

Applying White-Box Testing in Agile Hotel Projects: Process, Cases, and Results

This article describes how a hotel testing team integrated white‑box testing—code review and static analysis—into fast‑paced agile workflows, detailing the exploration timeline, typical functional testing challenges, three concrete bug‑finding case studies, measurable quality improvements, and practical promotion guidelines.

Test Automationagile testingcode review

0 likes · 6 min read

Applying White-Box Testing in Agile Hotel Projects: Process, Cases, and Results

Tongcheng Travel Technology Center

Jul 4, 2018 · Backend Development

Decoupling Complex Business Logic with a Custom Rule Engine

This article explains how a lightweight, Groovy‑based rule engine can decouple complex ticketing business logic from core systems, outlines its architecture, implementation details, performance optimizations, and provides code examples and benchmark results.

BackendGroovyRule Engine

0 likes · 9 min read

Decoupling Complex Business Logic with a Custom Rule Engine

Tongcheng Travel Technology Center

Apr 11, 2018 · Databases

Case Study: Scaling Ticketing and Flight Booking Systems with TiDB at Tongcheng Network

This article details how Tongcheng Network migrated massive ticketing and flight‑booking workloads to TiDB, combining sharding and a distributed SQL database to handle terabytes of data, real‑time monitoring, and high QPS traffic while simplifying operations and reducing costs.

MonitoringMySQL compatibilityTiDB

0 likes · 8 min read

Case Study: Scaling Ticketing and Flight Booking Systems with TiDB at Tongcheng Network

Tongcheng Travel Technology Center

Mar 20, 2018 · Mobile Development

Implementing an AR Hotel Finder with ARKit: Coordinate Systems, Transformations, and Navigation

This article details the design and implementation of an ARKit‑based hotel‑finding application for iOS, covering coordinate system concepts, conversion pipelines, elevation handling, directional hints, radar visualization, navigation routing, map/AR switching, and real‑time navigation alerts, accompanied by sample Objective‑C code.

ARARKitCoordinate Systems

0 likes · 14 min read

Implementing an AR Hotel Finder with ARKit: Coordinate Systems, Transformations, and Navigation

Tongcheng Travel Technology Center

Jan 25, 2018 · Product Management

A Comprehensive Guide to Product Management Knowledge Systems and Practices

This extensive article outlines the essential knowledge system for product managers, covering professional concepts, work philosophy, methods and tools, analysis techniques, documentation standards, project management, data analysis, and product operations, emphasizing continuous learning and systematic thinking to ensure reliable, high‑quality product delivery.

Product Managementanalysis methodsknowledge system

0 likes · 22 min read

A Comprehensive Guide to Product Management Knowledge Systems and Practices

Tongcheng Travel Technology Center

Jan 18, 2018 · Artificial Intelligence

Tourism Spot Recommendation System: Framework, Model Construction, Feature Engineering, and Performance Evaluation

This article describes a tourism recommendation system that addresses data sparsity, seasonality, and geographic variations by using an offline‑online architecture, GBDT+LR CTR prediction, exponential decay scoring, and extensive feature engineering, achieving a 1.6% conversion‑rate increase and high accuracy and recall.

CTR predictionGBDTTourism

0 likes · 14 min read

Tourism Spot Recommendation System: Framework, Model Construction, Feature Engineering, and Performance Evaluation

Tongcheng Travel Technology Center

Dec 29, 2017 · Information Security

Implementing a Simplified vmmap Tool on iOS for Memory Analysis

This article introduces the macOS vmmap utility, explains why a lightweight version was re‑implemented for iOS, and details the step‑by‑step code that obtains task handles, region data, dyld image information, formats and prints memory maps to aid reverse‑engineering on iOS devices.

MachMemory analysisReverse engineering

0 likes · 5 min read

Implementing a Simplified vmmap Tool on iOS for Memory Analysis

Tongcheng Travel Technology Center

Dec 1, 2017 · Mobile Development

Optimizing UITableView Scrolling Performance: Cell Height Caching and Asynchronous Text Rendering

This article explains how to achieve smooth iOS list scrolling by avoiding repeated cell height calculations and using asynchronous text rendering with YYText, providing code examples, performance trade‑offs, and profiling tips for mobile developers.

Async RenderingAuto LayoutCell Height Caching

0 likes · 9 min read

Optimizing UITableView Scrolling Performance: Cell Height Caching and Asynchronous Text Rendering

Tongcheng Travel Technology Center

Nov 29, 2017 · Operations

Building a Scalable Network Traffic Capture System with Moloch (Arkime)

This guide walks through the design, installation, configuration, performance tuning, and daily operation of a large‑scale network packet capture and analysis platform using Moloch, Elasticsearch, and pfring on a high‑performance Linux server.

ElasticsearchLinuxMoloch

0 likes · 11 min read

Building a Scalable Network Traffic Capture System with Moloch (Arkime)