https://icelemon.top/tech/Recent content in Teches on BlogHugozh-CNSat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-buildroot/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-buildroot/固定 Buildroot 配置构建 QEMU 系统，管理 rootfs 定制、自有包、许可证和镜像发布输入。https://icelemon.top/tech/foundations/c-cpp/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/c-cpp/为嵌入式与机器人建立对象生命周期和资源管理基础。https://icelemon.top/tech/frontend/css-layout/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/css-layout/用层叠规则、尺寸约束和 Grid/Flex 理解布局，排查溢出与移动端问题。https://icelemon.top/tech/embedded/esp32-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/esp32-route/以 ESP-IDF 建立采集与联网分工，学习多核同步、断网恢复、消息去重和固件更新。https://icelemon.top/tech/embedded/esp32-idf/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/esp32-idf/建立固定版本的 ESP-IDF 工程，理解组件与 sdkconfig，并用有界队列组织合成采集任务。https://icelemon.top/tech/frontend/flutter-state-layout/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/flutter-state-layout/从 Dart 类型与声明式 UI 出发，理解 Widget/Element、约束布局和生命周期。https://icelemon.top/tech/frontend/flutter-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/flutter-route/从 Dart 与约束布局走到可运行工程、组件测试和平台验证。https://icelemon.top/tech/frontend/flutter-study-board/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/flutter-study-board/建立无第三方依赖的 Flutter 工程，通过学习记录板验证状态、布局和交互。https://icelemon.top/tech/embedded/rtos-scheduling/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/rtos-scheduling/把采集、处理和通信拆成有期限的任务，用响应时间分析检查调度，并理解 tick 与周期漂移。https://icelemon.top/tech/backend/go-http-service/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/go-http-service/用标准库构建有请求边界的 JSON 服务，验证方法、体积、未知字段和尾随数据。https://icelemon.top/tech/backend/go-runtime/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/go-runtime/从共享底层数组、显式错误与 defer 出发，建立可维护 Go 服务的资源和并发习惯。https://icelemon.top/tech/backend/go-services-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/go-services-route/从 Go 的值与错误模型开始，使用标准库实现 HTTP、并发、幂等、任务状态和取消。https://icelemon.top/tech/backend/go-job-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/go-job-project/构建仅依赖标准库的异步任务服务，检查背压、状态查询、身份边界和关闭行为。https://icelemon.top/tech/backend/http-api-contract/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/http-api-contract/从资源和状态码出发，设计能校验、重试、分页并保持兼容的服务接口。https://icelemon.top/tech/backend/java-runtime/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/java-runtime/用金额对象和并发计数实验掌握 Java 21 的值建模、异常链、自动关闭和 JVM 诊断入口。https://icelemon.top/tech/backend/java-reservation-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/java-reservation-project/运行 Spring Boot 预约服务，通过并发与权限测试检查一次预约只扣一次库存并同时写入 Outbox。https://icelemon.top/tech/backend/java-spring-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/java-spring-route/以 Java 21 与 Spring Boot 预约工程贯穿语言、框架、SQL、权限、并发和交付。https://icelemon.top/tech/frontend/javascript-semantics/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/javascript-semantics/通过值传递、闭包、原型和模块理解 JavaScript，避免引用与调用方式造成的错误。https://icelemon.top/tech/embedded/linux-drivers-io/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-drivers-io/沿资源描述、驱动匹配和用户接口定位设备问题，理解 GPIO 字符设备、IIO 与阻塞 I/O 的边界。https://icelemon.top/tech/embedded/pcb-design/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/pcb-design/按电流回路、供电、封装和制造规则组织简单控制板设计，并建立可审查的上电与排障记录。https://icelemon.top/tech/frontend/async-event-loop/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/async-event-loop/区分同步调用、微任务与任务，用取消和顺序保护处理异步竞争。https://icelemon.top/tech/foundations/python/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/python/掌握算法和实验常用的 Python 语义，辨别引用、修改与复制。https://icelemon.top/tech/algorithms/python-algorithms-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/python-algorithms-route/从分析与数据结构走到算法设计、图字符串和可复现的工程练习。https://icelemon.top/tech/frontend/react-native-platform/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-native-platform/把 React 数据流带到原生界面，理解布局、长列表、生命周期和原生依赖。https://icelemon.top/tech/frontend/react-native-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-native-route/复用 React 与 TypeScript 基础，进入原生组件、Expo 工程和平台检查。https://icelemon.top/tech/frontend/react-native-study-board/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-native-study-board/用 Expo TypeScript 工程完成跨端记录板，并明确 Web、模拟器与真机验证的区别。https://icelemon.top/tech/frontend/react-state/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-state/从一次渲染的快照理解状态更新、组件身份、表单与 Effect 清理。https://icelemon.top/tech/frontend/react-study-board/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-study-board/搭建 TypeScript 起步工程，通过新增、完成和筛选理解 React 数据流。https://icelemon.top/tech/frontend/react-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/react-route/从 Web 和状态模型走到 React 数据流、可运行项目、工程检查与排障。https://icelemon.top/tech/robotics/ros2-runtime/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/ros2-runtime/按数据和任务选择topic、service或action，排查QoS、时间戳、回调阻塞和节点启动顺序。https://icelemon.top/tech/embedded/rtos-synchronization/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/rtos-synchronization/按事件、资源和数据流选择同步原语，观察优先级反转，并为队列容量与内存分配建立边界。https://icelemon.top/tech/robotics/slam-factor-graphs/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/slam-factor-graphs/理解边定位边建图的耦合，用一维位姿图检查回环、权重和坐标自由度。https://icelemon.top/tech/backend/spring-boot-service/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/spring-boot-service/理解自动配置、依赖注入、Controller、Service、事务代理与配置测试。https://icelemon.top/tech/embedded/stm32-platform/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/stm32-platform/以 F401RE 为示例理解 STM32Cube 工程组成、HAL/LL 边界、定时器分频与真实测量。https://icelemon.top/tech/embedded/stm32-rtos-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/stm32-rtos-route/从 C 内存与芯片启动进入外设、定时采集和 FreeRTOS，用可观察的节点项目检验实时与可靠性。https://icelemon.top/tech/frontend/typescript-contracts/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/typescript-contracts/用联合类型、收窄和泛型表达约束，并在网络边界验证真实数据。https://icelemon.top/tech/robotics/robot-model-control/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/robot-model-control/用单关节模型区分外观、碰撞、惯量、状态与控制命令，理解mock接口能验证什么。https://icelemon.top/tech/frontend/vue-reactivity/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/vue-reactivity/理解 ref、reactive、computed 和 watch 的职责，建立清晰的组件数据流。https://icelemon.top/tech/frontend/vue-study-board/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/vue-study-board/用 Composition API 和 TypeScript 实现表单、计算列表和完成状态。https://icelemon.top/tech/frontend/vue-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/vue-route/从语言基础进入响应式、组件和计算状态，完成可运行工程与质量检查。https://icelemon.top/tech/frontend/web-foundations-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/web-foundations-route/从语义页面走到浏览器机制、应用状态与性能安全，完成可解释、可调试的 Web 基础。https://icelemon.top/tech/algorithms/connectivity-mst/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/connectivity-mst/用集合合并维护连通关系，依据割性质理解 Kruskal 的安全选择。https://icelemon.top/tech/backend/concurrency-control/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/concurrency-control/用线程、协程、互斥和有界队列理解共享状态，避免无上限并发与资源耗尽。https://icelemon.top/tech/foundations/testing-debugging/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/testing-debugging/从可检查行为出发设计测试，并用证据定位故障。https://icelemon.top/tech/foundations/programming-models/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/programming-models/从输入、状态变化和输出理解程序，用不变量检查实现。https://icelemon.top/tech/robotics/sensors-calibration/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/sensors-calibration/区分内参、外参、偏置和时间误差，理解相机、深度、激光、编码器与IMU的测量边界。https://icelemon.top/tech/foundations/memory-execution/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/memory-execution/串联编译、链接、指令、缓存和虚拟内存。https://icelemon.top/tech/frontend/performance-diagnostics/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/performance-diagnostics/区分实验室与真实用户指标，用可重复的场景定位加载、交互和布局问题。https://icelemon.top/tech/algorithms/weighted-graphs/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/weighted-graphs/理解 Dijkstra 的非负权要求、过期堆条目及 Bellman–Ford 的负环判定。https://icelemon.top/tech/algorithms/recursion-backtracking/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/recursion-backtracking/把递归看成明确的子问题，用选择、递进、撤销生成不重复组合。https://icelemon.top/tech/embedded/circuit-analysis/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/circuit-analysis/用节点电流和等效电路分析分压、负载效应与 RC 充放电，并检查单位和容差。https://icelemon.top/tech/embedded/electronics-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/electronics-route/从电路方程与数字逻辑出发，完成模拟采集分析和低压接口板的设计审查。https://icelemon.top/tech/robotics/dynamics-feedback/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/dynamics-feedback/从一维质量块理解模型、反馈、扰动和执行器饱和，比较控制器时保留相同条件。https://icelemon.top/tech/algorithms/dynamic-programming/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/dynamic-programming/从 0/1 背包推导状态和遍历顺序，理解伪多项式成本及方案恢复。https://icelemon.top/tech/algorithms/binary-search/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/binary-search/用半开区间推导 lower_bound，并把二分推广到答案空间。https://icelemon.top/tech/algorithms/range-patterns/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/range-patterns/依据查询和更新方式选模型，推导滑动最大值与动态前缀和的不变量。https://icelemon.top/tech/backend/distributed-reliability/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/distributed-reliability/理解超时、重试预算、一致性、复制、分片、租约，以及什么时候值得拆服务。https://icelemon.top/tech/backend/testing-debugging/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/testing-debugging/建立单元、集成、契约与并发测试，使用可控制的故障代替随机等待。https://icelemon.top/tech/foundations/probability-optimization/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/probability-optimization/用条件概率和统计量描述不确定性，理解简单梯度更新。https://icelemon.top/tech/embedded/firmware-startup/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/firmware-startup/读懂 Cortex-M 启动流程、链接地址、data 与 bss 初始化，以及内存映射寄存器的访问边界。https://icelemon.top/tech/foundations/relational-data/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/relational-data/用数据库约束和事务表达数据规则，理解隔离与并发更新。https://icelemon.top/tech/robotics/trajectories-time-scaling/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/trajectories-time-scaling/把几何路径变成带速度与加速度的运动，计算五次多项式的时间下界并检查控制器接口。https://icelemon.top/tech/algorithms/hash-tables/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/hash-tables/区分哈希与相等性，理解碰撞、装载因子及哈希表的平均成本。https://icelemon.top/tech/backend/service-core-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/service-core-route/先建立协议、数据与并发模型，再通过权限、测试、交付把服务做完整。https://icelemon.top/tech/backend/cache-consistency/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/cache-consistency/理解 Cache Aside、失效竞争、TTL、热点合并与 Redis 资源边界。https://icelemon.top/tech/robotics/simulation-evaluation/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/simulation-evaluation/按需要选择数值模型、Gazebo或MuJoCo，固定数据与版本，并区分仿真通过和真实系统验证。https://icelemon.top/tech/robotics/embodied-learning-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/embodied-learning-route/先建立机器人与学习基础，再完成BC、策略梯度和闭环评测，理解视觉动作模型的接口与研究边界。https://icelemon.top/tech/robotics/robot-vision/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/robot-vision/区分检测、分割、三维位姿与配准，理解ICP的适用条件，并把视觉输出接入机器人坐标链。https://icelemon.top/tech/foundations/machine-learning/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/machine-learning/建立训练、验证、测试和基线意识，为具身学习做准备。https://icelemon.top/tech/robotics/manipulation-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/manipulation-project/运行两连杆抓放状态机和跟踪实验，再把视觉、规划场景、夹爪与轨迹执行接入MoveIt 2。https://icelemon.top/tech/robotics/manipulation-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/manipulation-route/从运动学和力学到视觉、抓取、轨迹与MoveIt 2，区分到位、夹持和真实任务成功。https://icelemon.top/tech/foundations/math-discrete/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/math-discrete/建立算法证明和系统建模共用的离散数学语言。https://icelemon.top/tech/foundations/systems-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/systems-route/沿程序执行、并发、网络和数据理解应用如何运行。https://icelemon.top/tech/frontend/accessibility/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/accessibility/用原生语义、可访问名称、焦点管理和状态提示让界面支持不同输入方式。https://icelemon.top/tech/backend/delivery-observability/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/delivery-observability/把构建、迁移、健康检查、日志指标追踪、压测和备份恢复连成一次可复核交付。https://icelemon.top/tech/foundations/processes-concurrency/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/processes-concurrency/区分并发、并行和异步，理解共享状态及原子性。https://icelemon.top/tech/robotics/embodied-learning-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/embodied-learning-project/在可复现的一维闭环中完成合成演示、BC与RL训练、独立评估和梯度检查，并提供PyTorch对照。https://icelemon.top/tech/frontend/web-security/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/web-security/理解 XSS、CSRF、同源和凭据边界，把权限与数据处理放在正确的位置。https://icelemon.top/tech/frontend/browser-rendering/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/browser-rendering/沿解析、样式、布局、绘制和合成分析页面工作，定位布局抖动与主线程阻塞。https://icelemon.top/tech/foundations/git-shell/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/git-shell/理解工作目录、退出码、提交和差异，记录能够复现的操作。https://icelemon.top/tech/robotics/imitation-learning/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/imitation-learning/把演示转成观测—动作数据，理解行为克隆的损失、闭环分布偏移和按episode切分。https://icelemon.top/tech/embedded/analog-sensing/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/analog-sensing/把传感器量程、运放、抗混叠、ADC 建立时间和校准连接成一条可检查的采集链。https://icelemon.top/tech/algorithms/sorting-selection/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/sorting-selection/推导归并排序，比较常见排序的适用条件，并区分全排序和选择问题。https://icelemon.top/tech/frontend/frontend-engineering/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/frontend-engineering/理解依赖、开发构建和生产产物，用分层检查保护关键交互与发布过程。https://icelemon.top/tech/embedded/linux-boot/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-boot/沿启动链识别 Bootloader、内核、设备树、根文件系统和 init 的职责，并按最后一条日志定位故障。https://icelemon.top/tech/embedded/linux-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-route/从进程和交叉编译进入启动链、设备接口、Buildroot 与流式网关，形成可重建的系统实践。https://icelemon.top/tech/robotics/reinforcement-learning/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/reinforcement-learning/明确状态、动作、奖励和终止，用可运行REINFORCE实验理解回报、基线与闭环评估。https://icelemon.top/tech/robotics/task-execution-recovery/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/task-execution-recovery/把导航和抓取接成可取消、可重试的任务，处理过期结果、重试上限和执行状态。https://icelemon.top/tech/embedded/reliability-security/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/reliability-security/把故障检测、持久化、低功耗和 OTA 当作有失败路径的状态机，区分完整性校验与固件认证。https://icelemon.top/tech/embedded/device-connectivity/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/device-connectivity/把 Wi-Fi、IP 和应用连接分层管理，用退避与有界队列应对断网，区分发送成功、确认和去重。https://icelemon.top/tech/foundations/security-auth/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/security-auth/区分登录和授权，理解用户数据、会话与浏览器安全边界。https://icelemon.top/tech/backend/auth-authorization/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/auth-authorization/区分身份验证、会话、令牌与对象级授权，防止越权并正确处理浏览器安全边界。https://icelemon.top/tech/backend/transactions-isolation/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/transactions-isolation/用库存扣减和双会话实验理解原子性、MVCC、锁、死锁以及事务重试边界。https://icelemon.top/tech/robotics/visuomotor-policies/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/visuomotor-policies/理解动作分布、动作序列和语言条件，检查策略输出的坐标、单位、归一化与执行频率。https://icelemon.top/tech/algorithms/trees-heaps/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/trees-heaps/区分搜索树和堆的不变量，用固定大小堆实现流式 Top-K。https://icelemon.top/tech/backend/data-model-sql/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/data-model-sql/以预约数据为例，学习主键、外键、唯一性、金额、时间、迁移和参数化 SQL。https://icelemon.top/tech/foundations/math-ai-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/math-ai-route/为算法证明、机器人建模和学习实验建立共同语言。https://icelemon.top/tech/embedded/digital-logic/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/digital-logic/用全加器和按键消抖状态机区分逻辑计算、状态更新与真实硬件的时序约束。https://icelemon.top/tech/algorithms/analysis-correctness/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/analysis-correctness/用循环不变量解释程序为什么正确，再区分增长率、最坏情况、期望和摊还成本。https://icelemon.top/tech/algorithms/algorithm-engineering/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/algorithm-engineering/用可复现的查询测量、蓄水池抽样和顶点覆盖近似，理解性能与保证的差别。https://icelemon.top/tech/algorithms/engineering-practice-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/engineering-practice-route/从项目约束回到结构与算法，用正确性基线、复杂度和实际测量完成交付。https://icelemon.top/tech/algorithms/interview-method/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/interview-method/用原创连续区间问题演示如何澄清规格、建立基线、选择模型和证明去重规则。https://icelemon.top/tech/algorithms/interview-practice-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/interview-practice-route/按规格澄清、基础结构、题型推导与沟通复盘组织练习，复用系统知识点。https://icelemon.top/tech/backend/indexes-query-plans/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/indexes-query-plans/通过数据分布、复合索引、游标分页和 EXPLAIN 理解优化收益与代价。https://icelemon.top/tech/algorithms/greedy-algorithms/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/greedy-algorithms/证明最早结束的区间选择为何正确，并识别带权目标下的失败边界。https://icelemon.top/tech/algorithms/graph-traversal/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/graph-traversal/用层次队列恢复最少边路径，区分访问状态、环检测和有向依赖顺序。https://icelemon.top/tech/embedded/peripherals-protocols/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/peripherals-protocols/从电气连接、时序和帧格式理解常见接口，计算吞吐与上拉限制，并定位地址、模式和接线问题。https://icelemon.top/tech/foundations/network-http/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/network-http/串联域名解析、连接、TLS、请求响应及缓存语义。https://icelemon.top/tech/frontend/network-state/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/network-state/围绕 Fetch、HTTP 错误、取消、缓存和凭据设计可恢复的数据界面。https://icelemon.top/tech/algorithms/linear-containers/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/linear-containers/从访问方式选择容器，用括号检查和广度队列理解线性结构的成本与不变量。https://icelemon.top/tech/foundations/math-linear/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/foundations/math-linear/理解线性组合、矩阵乘法及机器人中的坐标约定。https://icelemon.top/tech/embedded/linux-gateway-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/linux-gateway-project/实现带长度和 CRC 的流式解析器，用坏帧、分块、重复与本机套接字测试恢复能力和内存边界。https://icelemon.top/tech/embedded/sensor-node-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/sensor-node-project/用虚拟时间复现采集、滤波、有界队列和断网恢复，记录丢弃与延迟，再映射到 STM32 或 ESP32。https://icelemon.top/tech/backend/messaging-delivery/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/backend/messaging-delivery/从一次提交后断连出发，理解至少一次投递、消费幂等和数据库与消息的协调。https://icelemon.top/tech/robotics/mobile-navigation-project/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/mobile-navigation-project/先运行A*、外形膨胀和差速跟踪的小型实验，再按TF、定位、代价地图和任务执行接入Nav2。https://icelemon.top/tech/robotics/mobile-robotics-route/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/mobile-robotics-route/从坐标与运动模型走到传感器、定位建图、规划控制和Nav2，逐层完成可检查的导航闭环。https://icelemon.top/tech/frontend/semantic-html-forms/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/semantic-html-forms/从文档结构、原生控件和提交过程理解 HTML，完成一个能用键盘操作的表单。https://icelemon.top/tech/robotics/motion-planning/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/motion-planning/把机器人形状与运动约束纳入规划，区分栅格A*、PRM/RRT、轨迹优化和局部跟踪。https://icelemon.top/tech/robotics/kinematics-jacobians/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/kinematics-jacobians/用两连杆机械臂理解关节与末端的映射，数值检查雅可比，并识别不可达目标和奇异位形。https://icelemon.top/tech/embedded/interrupts-timing/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/embedded/interrupts-timing/分清事件发生、ISR 开始与处理完成，分析中断屏蔽、嵌套优先级和 DMA 缓冲区交接。https://icelemon.top/tech/robotics/grasping-contact/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/grasping-contact/用摩擦锥和功率关系理解夹持稳定性，区分位置、力与阻抗控制，并计算一个夹持力下界。https://icelemon.top/tech/robotics/state-estimation/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/state-estimation/把运动预测和带噪观测合并，检查协方差、创新和缺测，而不是只追求平滑曲线。https://icelemon.top/tech/algorithms/string-algorithms/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/string-algorithms/推导 KMP 的失败转移，比较 Trie、滚动哈希与前缀编码的适用场景。https://icelemon.top/tech/algorithms/search-index/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/search-index/用词项到文档的反向映射实现多词 AND 查询，处理规范化、替换和确定性排序。https://icelemon.top/tech/algorithms/dependency-planner/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/algorithms/dependency-planner/建立可验证的 DAG 调度器，报告环与未知依赖，并计算无限资源下的最早完成时间。https://icelemon.top/tech/frontend/application-architecture/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/frontend/application-architecture/按变化来源组织应用，区分组件状态、URL、服务端数据及 CSR/SSR/SSG 的职责。https://icelemon.top/tech/robotics/frames-transforms/Sat, 24 Oct 2026 00:00:00 +0800https://icelemon.top/tech/robotics/frames-transforms/把传感器、机器人和目标的位置放进同一套坐标约定，检查变换方向与单位。