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學習 jxl API文件的一個錯誤

標題講的jxl,是指Java Excel API,又稱為 Java Excel Library。 http://jexcelapi.sourceforge.net/resources/javadocs/2_6_10/docs/index.html 這裡要指出的錯誤是,Sheet物件 findCell 用 regular expression 方法,它找資料是 column by column, 也就是開M

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學習 Java的HashMap concurrentModificationException

http://stackoverflow.com/questions/85190/how-does-the-java-for-each-loop-work 引用此頁的資料 for(Iterator<String> i = someList.iterator(); i.hasNext(); ) { String item = i.next(); System.out.println(item); } Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you cannot use the for( : ) idiom, since the actual Iterator is merely inferred. As was noted by Denis Bueno, this code works for any object that implements the

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學習 想看的書籍

http://www.books.com.tw/exep/prod/booksfile.php?item=0010498121& 父母經濟學:用賽局理論教小孩,從養兒育女學經濟 這學期有修賽局理論的課,也恢復跑步的習慣,晚上準備期中考一段落時,逛博客來書店看到的兩本書,

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心情 觀日內瓦發明展報導有感

吃早餐看到自由時報報導日內瓦發明展臺灣得獎,覺得臺灣實在是很棒,能夠有這麼好的消息! 這幾年,每年都會看到臺灣在日內瓦發明展得獎的報導,每次看

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心情 身體健康

春假前身體很疲勞,睡7.5小時(01:00~08:30)+午睡(30min)補不起來, 用春假比較悠閒的時光,早睡早起7.5小時(10:30~

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心得 嘉義傍晚行

嘉義人很熱心,真溫暖,會指路給迷路的人,感謝今天告訴我該怎麼走的店家和先生。 (圖片已刪除) 今天下午在學校稍微寫一點大學部編譯器Project

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About

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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