Posts

• Oct 26, 2025

  Table Test

  Left	Center	Right
  a	b	c
  code	em	bold

  table
• Oct 26, 2025

  Quick Start with trainsh

  Typography & Layout Link to this section #

  This is an English example post to preview the trainsh theme.

  Features in this post Link to this section #

  • Headings (H2/H3)
  • Mermaid diagram
  • Math (KaTeX, if enabled)
  • Image lightbox

  Mermaid Link to this section #

    graph TD
    A[Start] --> B{Option}
    B -->|Yes| C[Do thing]
    B -->|No| D[Other]
  

  Math Link to this section #

  $$E = mc^2$$

  Image Link to this section #

  

  getting started theme mermaid math
• Oct 19, 2025

  Code Samples

  JavaScript Link to this section #

  js

  Wrap Copy

  export function greet(name) {
    return `Hello, ${name}!`;
  }
  console.log(greet('trainsh'));

  Python Link to this section #

  python

  Wrap Copy

  from datetime import date
  
  def days_in_year(year: int) -> int:
      return 366 if (year % 400 == 0) or (year % 4 == 0 and year % 100 != 0) else 365
  
  print(date.today(), days_in_year(date.today().year))

  code samples
• Oct 12, 2025

  Images and Lightbox

  External image Link to this section #

  Click the image to open in a lightbox.

  

  Local image note Link to this section #

  For page bundles, put images beside index.md and reference by filename only to get dimensions.

  images photoswipe
• Oct 05, 2025

  Mermaid and Math Demo

  Mermaid Link to this section #

    sequenceDiagram
    participant U as User
    participant H as Hugo
    participant T as trainsh Theme
    U->>H: Save content
    H->>T: Render with templates
    T-->>U: Live reload
  

  Math Link to this section #

  Inline math: $a^2 + b^2 = c^2$.

  Block math:

  $$\int_{-\infty}^{\infty} e^{-x^2} \, dx = \sqrt{\pi}$$
  mermaid math
• Sep 28, 2025

  Archive and Tags

  Archive Link to this section #

  Use the archive page to browse by date. Recent posts appear on the home page.

  Tags Link to this section #

  This post is tagged with archive and tags. Explore tag pages from the menu.

  archive tags
• Sep 21, 2025

  快速开始使用 trainsh

  排版与布局 Link to this section #

  这是一篇中文示例文章，用于预览 trainsh 主题的效果。

  本文包含 Link to this section #

  • 二/三级标题
  • Mermaid 图表
  • 数学公式（KaTeX）
  • 图片灯箱

  Mermaid Link to this section #

    graph LR
    开始 --> 选择{选择}
    选择 -->|是| 动作A[执行 A]
    选择 -->|否| 动作B[执行 B]
  

  数学公式 Link to this section #

  $$S = \pi r^2$$

  图片 Link to this section #

  

  入门 主题
• Sep 14, 2025

  归档与标签

  归档 Link to this section #

  通过归档页按时间查看历史文章；首页展示最新文章列表。

  标签 Link to this section #

  本文打上了 归档 和 标签，可从菜单进入标签页查看。

  归档 标签
• Aug 24, 2025

  代码示例

  JavaScript Link to this section #

  js

  Wrap Copy

  export function add(a, b) {
    return a + b;
  }
  console.log(add(2, 3));

  Python Link to this section #

  python

  Wrap Copy

  def fib(n: int) -> list[int]:
      a, b = 0, 1
      seq = []
      for _ in range(n):
          seq.append(a)
          a, b = b, a + b
      return seq
  
  print(fib(10))

  代码 示例
• Sep 07, 2024

  图表与公式演示

  时序图 Link to this section #

    sequenceDiagram
    participant 用户
    participant Hugo
    participant 主题 as trainsh 主题
    用户->>Hugo: 保存内容
    Hugo->>主题: 模板渲染
    主题-->>用户: 实时刷新
  

  公式 Link to this section #

  行内公式：$\alpha + \beta = \gamma$。

  块级公式：

  $$\sum_{i=1}^{n} i = \frac{n(n+1)}{2}$$
  图表 数学
• Aug 16, 2024

  Platform Roadmap 2024

  Themes Link to this section #

  • Reliability first: SLOs and budgets everywhere.
  • Developer experience: fewer footguns, faster feedback.
  • Security by default: paved paths and guardrails.

  Milestones Link to this section #

  • Q1: CI/CD consolidation
  • Q2: Observability upgrades
  • Q3: Identity & access hardening
  • Q4: Cost controls and autoscaling tuning
  platform roadmap planning
• Apr 22, 2024

  Engineering Principles 2024

  Principles Link to this section #

  1. Ship small, ship often.
  2. Prefer boring tech for critical paths.
  3. Tests document intent; keep them readable.
  4. Make rollback easy before adding features.

  Notes Link to this section #

  These principles are intentionally concise so they can be memorized and debated.

  principles engineering culture
• Aug 31, 2023

  图片与灯箱

  外链图片 Link to this section #

  点击图片可在灯箱中查看大图：

  

  本地图片说明 Link to this section #

  若使用页面资源包（Page Bundle），请将图片与 index.md 放在同一目录，仅使用文件名引用以自动获取尺寸。

  图片 灯箱
• Jul 14, 2023

  Case Study: Analytics Rollout

  Context Link to this section #

  A fictional analytics rollout across multiple teams.

  Approach Link to this section #

  • Start with a pilot on one team.
  • Ship smallest useful slice: daily active events.
  • Add dashboards for product, marketing, and ops.

  Lessons Link to this section #

  • Instrumentation must be boring and consistent.
  • Sample and aggregate early to cut noise.
  • Train teams with real questions, not features.

  Outcome Link to this section #

  Better visibility, faster triage, and clearer release criteria.

  case-study analytics rollout
• Jan 29, 2023

  CLI Tooling Tips

  Keep it fast Link to this section #

  • Favor single-purpose commands.
  • Use concise aliases you can remember.

  Make it safe Link to this section #

  • Dry-run flags by default.
  • Clear prompts before destructive actions.

  Automate Link to this section #

  Script the boring parts; keep scripts short and documented.

  cli tooling productivity
• Dec 08, 2022

  Release Notes Q4 2022

  Highlights Link to this section #

  • Added dark mode toggle
  • Improved search relevance
  • Reduced bundle size by ~18%

  Fixes Link to this section #

  • Resolved TOC overlap on narrow screens
  • Fixed date formatting in archive view

  Upgrade notes Link to this section #

  Clear cache and reload. If using CDN, purge the fingerprinted assets.

  release changelog updates
• Feb 17, 2022

  Monitoring Basics 2022

  What to watch Link to this section #

  • Latency, errors, saturation, traffic (LETS).
  • Events, logs, traces, metrics together.

  Practices Link to this section #

  • Alert on symptoms, not causes.
  • Keep dashboards boring and readable.

  Tooling Link to this section #

  Pick one source of truth; avoid dashboard sprawl.

  monitoring observability basics
• Nov 03, 2021

  Data Migration Lessons

  Plan Link to this section #

  • Inventory sources and consumers.
  • Define cutover criteria and rollback.

  Do Link to this section #

  • Backfill with idempotent jobs.
  • Dual-write during the window.

  Learn Link to this section #

  • Shadow traffic reveals schema gaps.
  • Observability per table prevents surprises.
  data migration lessons
• Mar 18, 2021

  Product Walkthrough

  Why this matters Link to this section #

  A short, practical walkthrough for a fictional product. It shows how to mix headings, lists, and callouts.

  Steps Link to this section #

  1. Open the dashboard.
  2. Create a new workspace.
  3. Invite teammates.
  4. Ship something small.

  Tip: keep steps terse and outcomes clear.

  Checklist Link to this section #

  • Sign up
  • Create first project
  • Enable notifications
  • Write docs

  Links Link to this section #

  • https://example.com/product
  product how to getting started
• Jun 11, 2020

  Design System Notes

  Why Link to this section #

  A small, opinionated set of UI components keeps teams aligned.

  Principles Link to this section #

  • Fewer variants, clearer defaults.
  • Accessibility is non-negotiable.
  • Document with real examples.

  Next Link to this section #

  Ship buttons, forms, nav, and data display first.

  design-system ui components
• Aug 02, 2019

  SRE Playbook 2019

  Purpose Link to this section #

  A concise checklist for handling incidents and keeping services healthy.

  Basics Link to this section #

  • Page and acknowledge fast.
  • Communicate early and often.
  • Stabilize first, optimize later.

  Aftercare Link to this section #

  Write the postmortem while context is fresh.

  sre operations playbook