Continuous Authentication Using Biometrics

C# 最強入門邁向頂尖高手之路王者歸來內容簡介★★★★★【國內第1本最新 C# 語法】★★★★★★★★★★【最完整的 C# 基礎語法】、【最徹底物件導向觀念】★★★★★本書特色如下：1：國內第1本使用最新C#語法，完整介紹入門到物件導向程式設計。2：國內第1本依序介紹基礎語法、物件導向、視窗設計、LINQ、大型程式的多表單設計、高階應用的C#。3：國內第1名，C#內容最廣，功能介紹最完整，共有38個章節。4：國內第1名，程式實例最多，共有1025個程式實例。多次和資訊教育界閒談，大家公認C#是非常重要的程式語言，也是資訊科系的學生或是工程師必備的程式語言。閒聊中大家也一至獲得結論，C#不容易學習，許多人學習C#都感到很辛苦，原因如下：1：市面上的書籍沒有從C#基礎語法開始介紹。2：使用舊語法解說C#，C#已經進化到最上層語句觀念(Top-level statement)，幾乎沒有任何書籍介紹或說明。3：C#其實是物件導向語言，國內書籍書籍內容對於C#語言物件導向觀念講解太粗淺。4：C#是博大精深的程式語言，市面上書大多是在讀者尚未了解C#的觀念與精神時，就使用視窗程式做介紹，所造就的只是不紮實的結果。5：C#經過20年的發展，已經進化到10.0版，許多新的語法，書籍皆沒有介紹，買了一些書辛苦好幾個月閱讀，好像書中內容都會了，學完也無法進入C# 實戰世界，一到網路看專家所寫的程式通通不懂。 本書以約 1025 個程式實例，講解紮實的 C# 語法，讀者研讀完此書，相信可以學會下列知識：☆ 認識最新語法：最上層語句★ using指示詞與陳述式的用法☆ 實質資料與參照資料★ ?與null☆ ??與??=運算子★ var宣告☆ object、dynamic資料類型★ 裝箱(Boxing)與拆箱(Unboxing)的記憶體說明☆ 獨家解說C# 元組Tuple意義與應用★ 隱式(implicit)與顯示(explicit)強制轉換資料類型。☆ 匿名資料Anonymous Type、匿名陣列Anonymous、Array匿名方法 Anonymous Method★ 表達式主體方法Expression-bodied Method☆ 自行定義方法Extension Method★ 列舉(enum)、結構(struct)、類別(class)與物件☆ 靜態類別、靜態方法與靜態欄位★ 物件的

This practical workbook is full of exercises and activities to help children master the continuous flow of cursive letter and word formation. Starting with individual practice for each letter of the a

Solve My First Hidden Pictures puzzles on the farm by using the included dry-erase marker to find dozens of hidden objects in colorful write-on, wipe-off scenes.With a concealed spiral binding and tet

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