watir 6.3.0 不支援存下網頁中的圖片， mechanize 不支援以 ajax 方式更新內容的網頁。有考慮轉向 python 語言抓圖片，不過打算先試試看，能不能用 opencv 的看圖功能，看到從 watir 拿到圖片
read more用網頁呈現公告、食譜或合約常見有條列式的文章，常常需要為內容標號碼，如果是文章本文已含數字編號，日後要更動順序則會花時間檢查上下文編號是否一
read more例如我們要更新某一筆資料，使用悲觀鎖寫法 不囉唆，開始提供 PHP 範例寫法： // 查出單筆的資料 $sqlA = "SELECT * FROM your_table_name1 WHERE u_id = " . $obj->id . " FOR UPDATE "; // $obj->id 是我自定義的變數 //
read more有時因為營運上的需求，會需要在資料庫先行大量新增、更新或刪除某些資料，在迴圈外寫下 bind_param()，而不是在迴圈內每個執行回合裡寫下
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Howard Lee is a Staff Software Engineer based in Taipei, specializing in frontend architecture, CI/CD, and production-quality engineering for enterprise web applications. With 13+ years of software development experience, Howard has worked across B2B SaaS, IoT energy-management platforms, online travel marketplaces, and Android applications. His work focuses on modernizing large frontend systems, improving delivery quality, and building reliable product workflows with automated testing, observability, and practical cloud/platform integration. Core Expertise Frontend architecture: Angular 5 to 19 modernization, TypeScript, JavaScript, React, Next.
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