Mobile pages load about 40% slower than PC pages, users abandon sites after three seconds, and this article offers practical frontend techniques—reducing HTTP requests, compressing assets, leveraging caching, and adopting HTTP/2—to dramatically improve mobile web performance.
The author rewrote a Laravel‑based Boxzilla application in Go, detailing migration steps, code‑size reduction, benchmark results, and testing advantages, showing how Go delivers faster response times, lower latency, and a more maintainable backend.
This article explains why and how to expose a locally running server to the public internet using ngrok, demonstrates installation and usage steps including region configuration, compares it briefly with the open‑source localtunnel tool, and notes security considerations for development testing.
This article examines the hidden, often unglamorous world of web crawling and anti‑crawling, revealing why companies deploy aggressive scraping and defensive measures, the technical arms race between crawlers and defenders, the impact on engineers' careers, and future trends in this contested space.
The article compares Swift and Kotlin, highlighting their similarities and differences for developers familiar with either language, and argues that programming languages are merely tools that should be chosen based on platform needs rather than personal bias.
The article likens a product manager’s growth to mastering the board game Go, outlining three progressive stages—technique, method, and philosophy—to illustrate how basic skills, strategic analysis, and a big‑picture mindset together shape effective product development.
Didi’s Apollo platform combines A/B testing with gradual (gray) release, letting product teams safely roll out new features to targeted user segments, monitor key metrics, and apply best‑practice guidelines—such as isolating variables, pre‑defining metrics, controlling duration, random grouping, and confidence analysis—to achieve statistically significant, data‑driven improvements across thousands of weekly releases.
Before profiling performance you must locate slow queries, enable MySQL's slow query log, use EXPLAIN to analyze execution plans, and add appropriate indexes—such as on picture.album_id—to dramatically reduce scanned rows and boost query speed by hundreds of times, while balancing read/write trade‑offs.
The article compiles ten participants' reflections on the Tencent Social Ads university algorithm contest, detailing their data analysis, feature engineering, model selection, challenges faced, and practical advice, while encouraging readers to vote for the most helpful contributions.
This guide demonstrates how to configure a highly available Redis deployment using master‑slave replication, Redis Sentinel for automatic failover, and virtual IP (VIP) migration, covering environment setup, configuration files, firewall adjustments, testing procedures, and client connection strategies.
This article details the end‑to‑end process of creating a compelling opening video for a product launch, covering story planning, style exploration, storyboard creation, animation and sound production, and summarizing key lessons for designers and product managers.
The ACM TURC 2017 conference in Shanghai gathered Turing Award laureates, leading Chinese scholars, and Alibaba executives, highlighting breakthroughs in artificial intelligence, big data, streaming and graph computing, and showcasing AI-driven medical imaging diagnostics and collaborative research initiatives between industry and academia.
This article explains how a team transitions from waterfall to an Agile 101 approach by introducing time‑boxed iterations, applying the INVEST principle for user‑story splitting, using a ranking method for relative estimation, and outlining a practical planning process to improve project predictability.
This article compares the most popular open‑source deep‑learning frameworks—including TensorFlow, Caffe, Caffe2, CNTK, MXNet, Torch, PyTorch, Deeplearning4J and Theano—detailing their origins, key features, strengths, weaknesses, ecosystem support, and the trade‑offs between open‑source and proprietary AI solutions.
This article walks beginners through multiple practical approaches for setting up a home NAS server, covering hardware choices, single‑system and dual‑system configurations, virtualization options, recommended software, remote management tools, and even a media‑center upgrade plan.
This article explores why many find DevOps daunting, introduces the ‘Strangling’ model as a step‑by‑step approach to break down barriers, outlines a comprehensive DevOps capability framework, and shares practical case studies from LeTV’s hardware division to illustrate continuous delivery implementation.
The article summarizes Digoal's 2017 Gdevops talk, detailing PostgreSQL's advanced features such as block-level BRIN indexes, high‑efficiency range queries, asynchronous messaging, data pumps, real sharding, MADlib machine‑learning integration, FDW data federation, and large‑scale use cases in IoT, finance, and geospatial analytics.
This guide walks through creating an Oracle 12cR2 container database with CREATE DATABASE, explains OMF vs non‑OMF options, details the catcdb.sql/perl changes, resolves common Perl module errors, compares 10g/11g syntax differences, and provides practical fixes such as blocksize adjustments.
This article explains the JavaScript event loop in depth, covering execution contexts, call stacks, macro‑ and micro‑tasks, and how APIs like setTimeout, Promise, process.nextTick, and setImmediate interact, using clear diagrams and step‑by‑step examples for both browsers and Node.js.
This week’s tech roundup covers GitHub’s shift to Electron for cross‑platform desktop clients, Tencent’s AI‑powered location services, Facebook’s open‑source ParlAI dialogue framework, Microsoft’s AR glasses prototype, Google Lens advancements, FDA‑approved medical VR, Apache Beam’s first stable release, Amazon DAX preview, and MapD’s open‑source GPU database.
