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37 Interactive Technology Team
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37 Interactive Technology Team

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Latest from 37 Interactive Technology Team

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37 Interactive Technology Team
37 Interactive Technology Team
May 8, 2023 · Information Security

Android Reverse Engineering: Process, Tools, and Code Examples

Android reverse engineering involves extracting an APK, decompiling it with tools like apktool, dex2jar, or JADX, analyzing and modifying Smali or Java code, recompiling and signing the package with jarsigner, and testing the changes, while using adb commands to retrieve the original file and emphasizing deeper analysis for robust security.

APKAPKToolAndroid
0 likes · 10 min read
Android Reverse Engineering: Process, Tools, and Code Examples
37 Interactive Technology Team
37 Interactive Technology Team
Apr 24, 2023 · Backend Development

Implementing WeChat Work Schedule Synchronization in the Enterprise Messaging Center

The Enterprise Messaging Center now offers a reusable component that integrates WeChat Work’s schedule API, enabling add, update, and delete operations, exposing CRUD interfaces for external systems such as the meeting‑room platform, streamlining schedule synchronization and reducing duplicate data entry across services.

API developmentBackend IntegrationEnterprise Messaging
0 likes · 5 min read
Implementing WeChat Work Schedule Synchronization in the Enterprise Messaging Center
37 Interactive Technology Team
37 Interactive Technology Team
Feb 20, 2023 · Fundamentals

Fundamentals of the JVM: HotSpot, JIT, Memory Areas, Garbage Collection, and Class Loading

The article explains how the HotSpot JVM executes Java by interpreting bytecode, using client or server JIT compilers to translate hot methods into native code, describes the five runtime memory areas, outlines major garbage‑collection algorithms and tuning options, and details the class‑loading process and hierarchical classloader model.

JITJVMJava
0 likes · 24 min read
Fundamentals of the JVM: HotSpot, JIT, Memory Areas, Garbage Collection, and Class Loading
37 Interactive Technology Team
37 Interactive Technology Team
Feb 10, 2023 · Backend Development

Analysis of Golang SQL Connection Pool Mechanism and Usage

The article examines Go’s database/sql connection pool implementation, showing how reusing connections cuts latency, explains idle/in‑use/closed state transitions, details configuration parameters such as MaxIdleConns and MaxOpenConns, demonstrates metric collection via Gorm DBStats for monitoring, and provides a stress‑test illustrating the impact of proper tuning.

Connection PoolGORMGolang
0 likes · 10 min read
Analysis of Golang SQL Connection Pool Mechanism and Usage
37 Interactive Technology Team
37 Interactive Technology Team
Jan 9, 2023 · Databases

Performance Evaluation of Tencent Cloud KeeWiDB Using YCSB Workloads

The study benchmarks Tencent Cloud KeeWiDB with YCSB workloads, showing that its Redis‑compatible KV service delivers up to 149 k QPS reads and 127 k QPS writes for 128‑byte strings, out‑performing self‑built Pika and Redis clusters, though larger values suffer bandwidth throttling, confirming KeeWiDB as a low‑cost, high‑performance option for small‑value, read‑heavy use cases.

KV StoreKeeWiDBRedis compatible
0 likes · 9 min read
Performance Evaluation of Tencent Cloud KeeWiDB Using YCSB Workloads
37 Interactive Technology Team
37 Interactive Technology Team
Dec 26, 2022 · Frontend Development

How Does Webpack 4 Hot Module Replacement Work? A Deep Dive

This article explains Webpack 4’s hot module replacement feature, covering the compilation process, dev‑server setup, entry configuration, websocket communication, the role of HotModuleReplacementPlugin, and the detailed steps of detecting changes, downloading updates via JSONP, and applying updated modules in the browser.

Frontend BuildHot Module ReplacementJavaScript
0 likes · 14 min read
How Does Webpack 4 Hot Module Replacement Work? A Deep Dive
37 Interactive Technology Team
37 Interactive Technology Team
Dec 19, 2022 · Cloud Computing

FinOps: Definition, Team Responsibilities, Principles, and Practice

FinOps is a cloud‑focused operating model that unites technology, finance, and business teams to analyze spend, set usage standards, and continuously monitor and optimize resources through visualization tools, ticket‑based ownership, and metric‑driven processes, as demonstrated by 三七’s integrated cost‑optimization practice.

Cloud Cost ManagementFinOpscloud computing
0 likes · 6 min read
FinOps: Definition, Team Responsibilities, Principles, and Practice
37 Interactive Technology Team
37 Interactive Technology Team
Dec 12, 2022 · Frontend Development

Understanding the JavaScript "this" Keyword: From Basics to Deep Insights

This article demystifies JavaScript’s this keyword by covering its runtime binding rules in global, function, method, constructor, prototype, and arrow contexts, explaining strict‑mode differences, call/apply/bind usage, event‑handler behavior, and the underlying ECMAScript reference mechanics that determine its value.

Arrow FunctionsJavaScriptcall apply bind
0 likes · 16 min read
Understanding the JavaScript "this" Keyword: From Basics to Deep Insights
37 Interactive Technology Team
37 Interactive Technology Team
Dec 8, 2022 · Operations

Log Alarm Optimization and Grafana Chart Integration Guide

This guide details how to configure Alibaba Cloud Log Service alarms—setting one‑day tokens, handling 1024‑byte truncation, removing record limits with analysis statements, adding a 10‑second query offset for timeliness—and shows how to visualize the data in Grafana using SQL queries for multi‑line and pie charts with timestamp conversion and time‑series filling.

Cloud LoggingGrafanaSQL
0 likes · 6 min read
Log Alarm Optimization and Grafana Chart Integration Guide