All Articles

141230 articles · Page 7040 of 7062

Nov 21, 2014 · Backend Development

Using Guava to Avoid Null, Enforce Preconditions, and Simplify Optional, Ordering, and Throwables in Java

The article explains how Guava helps Java developers avoid null-related bugs, enforce method preconditions, replace cumbersome Object methods with utilities like Optional, Objects, and Ordering, and provides concise patterns for exception propagation using Throwables, all illustrated with clear code examples.

GuavaJavaOptional

0 likes · 18 min read

Using Guava to Avoid Null, Enforce Preconditions, and Simplify Optional, Ordering, and Throwables in Java

Baidu Tech Salon

Nov 21, 2014 · Fundamentals

Is Code an Art? Rethinking Software Craftsmanship and What Makes an Excellent Programmer

While elegant, well‑crafted code can be admired, the article argues that treating software as art often distracts from practicality, emphasizing that true programming excellence is measured by efficiency, reliability, and rapid problem‑solving rather than aesthetic bragging.

Dan NorthProgramming Philosophycode quality

0 likes · 6 min read

Is Code an Art? Rethinking Software Craftsmanship and What Makes an Excellent Programmer

MaGe Linux Operations

Nov 21, 2014 · Operations

Boost High‑Traffic Site Performance: Nginx & PHP‑FPM Tuning Tips

This guide shares practical, experience‑backed techniques for optimizing Nginx and PHP‑FPM on high‑traffic Linux servers, covering UNIX sockets, worker processes, upstream load balancing, logging, compression, caching, timeouts, buffer sizes, kernel tweaks, and monitoring.

NginxPerformanceoperations

0 likes · 9 min read

Boost High‑Traffic Site Performance: Nginx & PHP‑FPM Tuning Tips

Baidu Tech Salon

Nov 20, 2014 · Information Security

Smart Pet Collar Turns Cats into Wi‑Fi Hacking Tools at DEF CON

At DEF CON, security researcher Bransfield unveiled a Spark‑Core‑powered smart collar he fitted on his 80‑year‑old owner’s cat, which roamed neighborhoods, mapped 23 Wi‑Fi networks, exposed dozens of open or weakly encrypted routers, and highlighted how even a wandering cat can reveal pervasive wireless security flaws.

DEF CONDIY securityIoT hacking

0 likes · 7 min read

Smart Pet Collar Turns Cats into Wi‑Fi Hacking Tools at DEF CON

MaGe Linux Operations

Nov 20, 2014 · Operations

Mastering Linux Concurrency: From Processes to Epoll and Coroutines

This article explores Linux process and thread fundamentals, traditional network service models, the C10K challenge, and advanced techniques such as epoll, event‑driven designs, and coroutine‑based asynchronous programming to improve scalability and performance.

CoroutinesLinuxThreads

0 likes · 27 min read

Mastering Linux Concurrency: From Processes to Epoll and Coroutines

Ctrip Technology

Nov 20, 2014 · Cloud Computing

Interview with Eric Ye, Senior Vice President of Technology at Ctrip: CTO Challenges, Technology Transformation, and Private Cloud Platform

In this interview, Ctrip’s Senior Vice President of Technology Eric Ye discusses the challenges of being a CTO, outlines the six key qualities for success, describes Ctrip’s three‑year technology transformation—including the Open API Everywhere strategy and a private cloud built on OpenStack—and shares insights on fostering innovation and patent culture.

CTOOpenStackPrivate Cloud

0 likes · 15 min read

Interview with Eric Ye, Senior Vice President of Technology at Ctrip: CTO Challenges, Technology Transformation, and Private Cloud Platform

JD.com Experience Design Center

Nov 19, 2014 · Product Management

Designing JD Smart Cloud’s Unified App: UI/UX Choices and Project Lessons

This case study outlines JD Smart Cloud’s unified app project, covering its background, early interaction and visual mockups, design adjustments driven by stakeholder feedback, the final UI layout, and key takeaways on communication, prioritization, and iterative design in tight‑deadline product development.

App Developmentcase studyproduct design

0 likes · 5 min read

Designing JD Smart Cloud’s Unified App: UI/UX Choices and Project Lessons

Qunar Tech Salon

Nov 19, 2014 · Fundamentals

Characteristics of Good Interfaces and Core Design Principles

The article outlines the essential traits of high‑quality interfaces, describes a step‑by‑step process for designing and implementing them, and presents fundamental principles for interface, class, and method design to ensure usability, maintainability, and robustness in software development.

API designbest practicesinterface design

0 likes · 4 min read

Characteristics of Good Interfaces and Core Design Principles

Qunar Tech Salon

Nov 19, 2014 · Fundamentals

Analysis of October 2014 Programmer Auction Data from 100offer

The October 2014 100offer programmer auction data reveals which developer skills, locations, and experience levels attract the most interview invitations and highest salary offers, highlighting trends such as higher demand for mobile and web front‑end engineers, the impact of salary increase ranges, and common reasons candidates reject offers.

Job marketdata analysisinterview offers

0 likes · 8 min read

Analysis of October 2014 Programmer Auction Data from 100offer

MaGe Linux Operations

Nov 19, 2014 · Operations

Fix “Too Many Open Files” on Linux: Raise File Descriptor Limits

When a performance test that simulates 100 concurrent HTTP GET requests triggers a “Too many open files” error, the article explains why the default 1024 file‑descriptor limit causes the failure and provides step‑by‑step commands to permanently increase the limit on Linux systems.

file-descriptorslimits.confperformance-testing

0 likes · 2 min read

Fix “Too Many Open Files” on Linux: Raise File Descriptor Limits

Baidu Tech Salon

Nov 19, 2014 · R&D Management

The Legacy of Hewlett‑Packard: From a Garage Call to Enduring Management Principles

From a 1967 phone call that connected a young Steve Jobs with Bill Hewlett, HP’s garage‑born culture, flat management, and mentorship principles forged a lasting blueprint that shaped Silicon Valley’s giants, proving that the company’s enduring “HP Way” remains the silent engine of modern tech innovation.

Corporate HistoryGarage InnovationHP

0 likes · 13 min read

The Legacy of Hewlett‑Packard: From a Garage Call to Enduring Management Principles

Tencent TDS Service

Nov 19, 2014 · Mobile Development

Why UnsatisfiedLinkError Happens on Android and How to Fix It

This article explains the common causes of java.lang.UnsatisfiedLinkError in Android apps, illustrates three typical scenarios with code examples, and provides practical steps to resolve missing or mismatched native libraries, helping developers prevent crashes caused by improper SO loading.

AndroidBuglyCrash

0 likes · 7 min read

Why UnsatisfiedLinkError Happens on Android and How to Fix It

Qunar Tech Salon

Nov 18, 2014 · Fundamentals

Understanding the 0/1 Knapsack Problem and Its Dynamic Programming Solution

This article explains the classic 0/1 knapsack problem, presents a detailed dynamic programming approach with step‑by‑step table construction, demonstrates the method using a concrete example, and discusses its computational complexity.

Algorithmcomplexitydynamic programming

0 likes · 7 min read

Understanding the 0/1 Knapsack Problem and Its Dynamic Programming Solution

MaGe Linux Operations

Nov 18, 2014 · Databases

Boost Zabbix Performance: MySQL SSD Tuning and Configuration Tips

This article explains how to optimize MySQL for large‑scale Zabbix deployments by leveraging SSD storage, adjusting key InnoDB settings, using appropriate partitioning strategies, and considering high‑availability options to dramatically improve disk I/O and overall monitoring throughput.

MySQLSSDZabbix

0 likes · 10 min read

Boost Zabbix Performance: MySQL SSD Tuning and Configuration Tips

Qunar Tech Salon

Nov 17, 2014 · Cloud Native

Service Scalability Challenges and Architectural Solutions in the Cloud Era

In the cloud and mobile era, while many scalability issues can be addressed by cloud platforms, services still face challenges such as remote RPC calls, distributed tracing, configuration management including service discovery and load balancing, and scheduling with lifecycle management, prompting architects to design transparent, pluggable solutions.

RPCService Discoverydistributed tracing

0 likes · 7 min read

Service Scalability Challenges and Architectural Solutions in the Cloud Era

MaGe Linux Operations

Nov 17, 2014 · Fundamentals

How to Master Self‑Study Programming: Proven Strategies and Pitfalls

This article offers a comprehensive guide to self‑learning programming, outlining the drawbacks and benefits of independent study, practical advice on choosing a direction, selecting books, using example code, debugging, and avoiding shortcuts, while emphasizing persistence, critical thinking, and continuous practice.

Programmingbook selectionpractice

0 likes · 17 min read

How to Master Self‑Study Programming: Proven Strategies and Pitfalls

Qunar Tech Salon

Nov 16, 2014 · Mobile Development

The Emerging Impact of HTML5 on the Mobile Internet Ecosystem

The article analyzes how the rise of HTML5 and improved mobile WebViews will reshape app distribution, advertising, open‑source adoption, development tools, performance optimization, obfuscation, and security, creating new opportunities and challenges for the mobile Internet landscape.

App DistributionHTML5Performance Optimization

0 likes · 6 min read

The Emerging Impact of HTML5 on the Mobile Internet Ecosystem

Qunar Tech Salon

Nov 15, 2014 · Backend Development

Understanding the Actor Model with Akka: Concepts, Messaging, and Fault Tolerance

This article summarizes Arun Manivannan's six‑post series that uses clear analogies and simple Akka examples to explain the Actor model, its message‑passing semantics, lifecycle, hierarchical structure, fault‑tolerance mechanisms, and cross‑platform implementations for building concurrent backend systems.

AkkaBackend Developmentactor-model

0 likes · 5 min read

Understanding the Actor Model with Akka: Concepts, Messaging, and Fault Tolerance

Baidu Tech Salon

Nov 14, 2014 · Industry Insights

What Small Open‑Source Projects Under 5,000 Lines Are Perfect for Beginners?

This article compiles a selection of concise open‑source projects—each typically under 5,000 lines of code—spanning JavaScript modules, Node.js frameworks, Python tools, Emacs utilities, C libraries, databases, web servers, and more, offering beginners practical codebases to study and learn from.

Learning ResourcesOpen sourceSoftware Development

0 likes · 5 min read

What Small Open‑Source Projects Under 5,000 Lines Are Perfect for Beginners?

MaGe Linux Operations

Nov 14, 2014 · Operations

Master Linux CPU Scheduling: Using nice, cpulimit, and cgroups

This guide explains how Linux manages CPU scheduling fairness and demonstrates three practical methods—nice, cpulimit, and control groups—to prioritize, limit, or allocate CPU resources for processes, complete with compilation steps, command examples, and performance observations using top.

CPU schedulingLinuxcgroups

0 likes · 10 min read

Master Linux CPU Scheduling: Using nice, cpulimit, and cgroups