HTML5, now supplanting older HTML and Flash, enables lightweight, cross‑platform web apps that integrate into native platforms like WeChat, offering low‑cost development, rapid distribution, and richer user experiences, while native apps retain advantages for complex, high‑performance software.
This article explains how different dd command variations affect disk write‑cache handling and why using the conv=fdatasync option yields the most reliable measurement of actual disk write performance.
Oracle has revealed the remaining four Java 9 JEPs—unified JVM logging, finer‑grained compiler controls, removal of obsolete garbage‑collector combos, and fixes to the Coin project—while also confirming modularization, DTLS support, HTML5 Javadoc output, and upcoming import‑warning clean‑up, signaling a clearer roadmap for the next Java release.
This article compiles a comprehensive list of DevOps tools—covering package management, logging and monitoring, process control, service discovery, and continuous integration/delivery—to help developers streamline operations and improve software delivery efficiency.
An analysis of software release delays reveals that uniform developer productivity, vague or changing requirements, and disruptive task handoffs—rather than programmer slowness—are the primary culprits, and offers practical steps for managers to improve workflow.
This tutorial walks through installing Xen virtualization on a CentOS 6.6 system, covering environment setup, required packages, kernel configuration, bridge networking, libvirt tools, and creating and cloning virtual machines using command‑line utilities.
The article argues that the perceived trade‑off between development speed and code quality is a misleading premise, explaining how short‑term shortcuts harm long‑term productivity while disciplined, high‑quality practices actually accelerate delivery and improve product outcomes.
From 2011 to 2014 Ctrip shifted from a 25% online, 75% offline model to a mobile‑centric approach, reorganizing its 16 business units, decoupling systems, and adopting new engineering practices to improve performance, scalability, and team autonomy.
The article explains how over‑complex mental models, poor translation of semantic ideas into code, inadequate naming, missing design chunks, unclear usage patterns, and lack of smooth model transitions cause code to decay, and offers practical principles such as DDD, SRP, good naming, testing, and reusing existing algorithms to maintain readability.
This article reveals ten little‑known quirks of the Java language—such as the illusion of checked exceptions, overloads with differing return types, bridge methods, confusing array syntax, type‑use annotations, compound assignment nuances, hidden goto‑like control flow, type aliases, undecidable generic relationships, and type intersections—illustrated with concrete code examples.
This article introduces ten notable open‑source projects in artificial intelligence and machine‑learning, summarizing each tool’s core capabilities, typical use cases, and where to find the source code, offering developers a quick guide to selecting the right platform for their needs.
In this interview, Liu Qiuqi shares his journey from a DBA at Sogou to Architecture Operations Director at BabyTree, revealing how MySQL powers massive e‑commerce and community sites, the high‑availability designs, storage strategies, and performance tuning techniques that keep services running smoothly.
The article explains Apache Spark’s memory‑based distributed computing model, its advantages over Hadoop’s MapReduce, key features, fault tolerance, deployment modes, ecosystem components, and the scenarios where Spark is most effective for large‑scale data analytics.
This article explains the principles of reverse proxy, introduces Nginx’s core features, and provides a step‑by‑step guide to set up a Windows‑based Nginx reverse‑proxy server that load‑balances two IIS‑hosted ASP.NET sites, including configuration, service registration, caching, and testing.
This article explains Guava's ListenableFuture abstraction for callback‑enabled futures, demonstrates how to create and compose them with listeners, callbacks, and transformation functions, and introduces the Guava Service framework for managing service lifecycles, including abstract service implementations and ServiceManager utilities.
At Baidu’s November 25 technical salon, senior leaders Robin Li, Wang Jin and Andrew Ng highlighted the company’s AI‑driven strategy—emphasizing sub‑second search, massive deep‑learning and data infrastructure, a 14% revenue R&D spend, breakthroughs in vision, speech, NLP and autonomous‑driving platforms, and a new AI talent program—positioning Baidu as a leading innovator in big‑data and intelligent connectivity.
This guide reviews eleven Linux tools and commands—including iptraf, sar, ntop, and tcpdump—for monitoring network traffic, explains installation steps for various distributions, and describes how to interpret their output, helping administrators keep web servers performant and secure.
This article explains how EventBus replaces explicit publisher‑subscriber registration for in‑process event dispatch in Java, provides a concise code example, a one‑minute migration guide, details on listeners and producers, a terminology table, and a comprehensive FAQ covering usage, design decisions, and testing considerations.
This guide explains why Linux systems report "no space left on device" or read‑only file systems, shows how to inspect disk usage, inodes, and hardware health with commands like df, du, mount, smartctl, hddtemp, and provides step‑by‑step remediation techniques such as cleaning files, compressing logs, remounting, and repairing filesystems.
This article explains Guava's Range class, covering its mathematical definition, how to construct open, closed, and bounded ranges, perform containment, connectivity, intersection, span, and query operations, and use DiscreteDomain for enumerating values, with extensive Java code examples throughout.
