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143483 articles · Page 6633 of 7175
Meituan Technology Team
Meituan Technology Team
Oct 30, 2017 · Mobile Development

Mobile Testing Salon Q&A: Robustness Testing, Online Recording, SDK Testing, and Server Automation

The Meituan‑Dianping Technology Salon’s mobile‑testing Q&A covered a robustness‑testing tool that mutates API responses, online recording for functional scripts, deep SDK testing with ADB automation, and server‑side automation frameworks, with detailed discussions on proxy setup, script maintenance, performance metrics, and Docker integration.

Meituan-DianpingMobile TestingQ&A session
0 likes · 12 min read
Mobile Testing Salon Q&A: Robustness Testing, Online Recording, SDK Testing, and Server Automation
JD Retail Technology
JD Retail Technology
Oct 30, 2017 · Operations

Ensuring High Availability and Scalability for Large‑Scale Promotions: Insights from a JD Senior Architect

The article explains how JD’s senior architect prepares for the 11.11 shopping festival by defining high‑availability goals, discussing scalability strategies, disaster‑recovery planning, performance optimization, and system resilience to ensure reliable service under massive traffic spikes.

OperationsScalabilitydisaster recovery
0 likes · 8 min read
Ensuring High Availability and Scalability for Large‑Scale Promotions: Insights from a JD Senior Architect
ITPUB
ITPUB
Oct 30, 2017 · Operations

12 Essential Linux Commands to Monitor Memory Usage

This guide lists twelve Linux tools and commands—including /proc/meminfo, atop, free, GNOME System Monitor, htop, KDE System Monitor, memstat, nmon, ps, smem, top, and vmstat—detailing how each provides real‑time or summarized insights into RAM consumption and overall system performance.

CommandsLinuxSystem Administration
0 likes · 6 min read
12 Essential Linux Commands to Monitor Memory Usage
ITPUB
ITPUB
Oct 30, 2017 · Databases

How to Speed Up MySQL Queries with Covering Indexes: A Step‑by‑Step Guide

This article walks through a real MySQL case where a simple SELECT query runs slowly despite an existing index, explains why the optimizer chooses a full‑table scan, and demonstrates how adding a covering composite index reduces execution time from 260 ms to 13 ms.

Covering IndexMySQLdatabase
0 likes · 6 min read
How to Speed Up MySQL Queries with Covering Indexes: A Step‑by‑Step Guide
网易UEDC
网易UEDC
Oct 30, 2017 · Fundamentals

Mastering Complete Interaction Design with the GUCDR Model Canvas

This article introduces the GUCDR interaction‑design model and canvas, explaining how a structured, logical derivation process—from purpose and user to conditions and design—helps designers create comprehensive, rational design solutions even when resources are limited.

GUCDR modelProduct Designdesign canvas
0 likes · 12 min read
Mastering Complete Interaction Design with the GUCDR Model Canvas
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Oct 30, 2017 · Databases

Inside Memcached vs Redis: Architecture, Memory, and Persistence

An in‑depth comparison of Memcached and Redis reveals how both key‑value cache servers operate, covering their service models, event loops, memory allocation strategies, database implementations, persistence mechanisms, transaction support, and publish/subscribe features, highlighting the trade‑offs between simplicity and rich functionality.

CacheEvent LoopPersistence
0 likes · 33 min read
Inside Memcached vs Redis: Architecture, Memory, and Persistence
Alibaba Cloud Developer
Alibaba Cloud Developer
Oct 30, 2017 · R&D Management

Data‑Driven R&D: Cutting Overtime and Boosting Quality with Agile Metrics

This article shares an Alibaba technical expert’s data‑driven case study on improving a software development team’s efficiency and quality through agile practices, detailed metric analysis, targeted solutions, and continuous data operations, demonstrating how systematic measurement can reduce overtime and create a virtuous development cycle.

Agile methodologyR&D Efficiencydata metrics
0 likes · 9 min read
Data‑Driven R&D: Cutting Overtime and Boosting Quality with Agile Metrics
MaGe Linux Operations
MaGe Linux Operations
Oct 30, 2017 · Fundamentals

Essential Do’s and Don’ts for Technical Interview Success

This guide presents a comprehensive checklist of actions to take and avoid before, during, and after a technical interview, covering preparation, self‑introduction, problem clarification, coding strategy, post‑coding review, and closing questions to help candidates perform confidently and efficiently.

Checklistalgorithm interviewcoding interview
0 likes · 6 min read
Essential Do’s and Don’ts for Technical Interview Success
Efficient Ops
Efficient Ops
Oct 29, 2017 · Operations

Mastering IaaS Monitoring: Strategies for Servers, Networks, and Traffic

This article, the second in a monitoring and alerting series, explains how to comprehensively monitor the IaaS layer—including server health, network device performance, and traffic analysis—by classifying resources and applying status, performance, capacity, and quality dimensions to achieve unified operational insight.

FlowIaaS
0 likes · 13 min read
Mastering IaaS Monitoring: Strategies for Servers, Networks, and Traffic
DevOps Engineer
DevOps Engineer
Oct 29, 2017 · R&D Management

What Is the Ideal Developer‑to‑Tester Ratio? Insights and Experiences

The article, translated from a StackOverflow discussion, examines whether a software project should have more testers than developers, presents multiple industry experiences, outlines factors influencing the optimal developer‑to‑tester ratio, and offers practical advice for improving testing effectiveness.

QASoftware Testingdeveloper tester ratio
0 likes · 6 min read
What Is the Ideal Developer‑to‑Tester Ratio? Insights and Experiences
21CTO
21CTO
Oct 29, 2017 · Fundamentals

Should You Sacrifice Clean C++ Code for Performance? Insights and Best Practices

This article argues that clean, readable C++ code should be the default, explaining the difference between performance and efficiency, why premature optimization can be harmful, and how thoughtful data structures and libraries can deliver both simplicity and speed when needed.

C++best-practicescode simplicity
0 likes · 7 min read
Should You Sacrifice Clean C++ Code for Performance? Insights and Best Practices