ChuckLu - 博客园

2019年4月2日

摘要： https://www.geeksforgeeks.org/bfs-vs-dfs-binary-tree/ What are BFS and DFS for Binary Tree? A Tree is typically traversed in two ways: Breadth First T 阅读全文

posted @ 2019-04-02 21:23 ChuckLu 阅读(433) 评论(0) 推荐(0)

Depth-first search and Breadth-first search 深度优先搜索和广度优先搜索

摘要： Depth-first search Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the roo 阅读全文

posted @ 2019-04-02 21:10 ChuckLu 阅读(975) 评论(0) 推荐(0)

102. Binary Tree Level Order Traversal 广度优先遍历

摘要： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary tree [ 阅读全文

posted @ 2019-04-02 12:54 ChuckLu 阅读(295) 评论(0) 推荐(0)

2019年4月1日

How do I check if a type is a subtype OR the type of an object?

摘要： How do I check if a type is a subtype OR the type of an object? To check if a type is a subclass of another type in C#, it's easy: typeof (SubClass).I 阅读全文

posted @ 2019-04-01 15:06 ChuckLu 阅读(276) 评论(0) 推荐(0)

2019年3月29日

UML类图中箭头的含义

摘要： Explanation of the UML arrows Here's some explanations from the Visual Studio 2015 docs: UML Class Diagrams: Reference: https://msdn.microsoft.com/lib 阅读全文

posted @ 2019-03-29 20:13 ChuckLu 阅读(1545) 评论(0) 推荐(0)

.NET Standard vs. .NET Core

摘要： What is the difference between .NET Core and .NET Standard Class Library project types? Answer1 When should we use one over the other? The decision is 阅读全文

posted @ 2019-03-29 16:25 ChuckLu 阅读(537) 评论(0) 推荐(0)

FileAttributes Enum

摘要： https://docs.microsoft.com/en-us/dotnet/api/system.io.fileattributes?view=netframework-4.7.2 读取FileAttributes 在桌面新建一个文件file-to-delete.txt，设置只读属性。先删除，然阅读全文

posted @ 2019-03-29 11:27 ChuckLu 阅读(590) 评论(0) 推荐(0)

2019年3月28日

Singleton Pattern单例模式

摘要： https://csharpindepth.com/Articles/Singleton 懒汉，饿汉，以及双层锁之外 Fourth version - not quite as lazy, but thread-safe without using locks public sealed class 阅读全文

posted @ 2019-03-28 14:28 ChuckLu 阅读(192) 评论(0) 推荐(0)

2019年3月27日

外观模式Facade pattern

摘要： http://www.runoob.com/design-pattern/facade-pattern.html 外观模式外观模式（Facade Pattern）隐藏系统的复杂性，并向客户端提供了一个客户端可以访问系统的接口。这种类型的设计模式属于结构型模式，它向现有的系统添加一个接口，来隐藏系统阅读全文

posted @ 2019-03-27 19:46 ChuckLu 阅读(287) 评论(0) 推荐(0)

Forms Authentication and Role based Authorization: A Quicker, Simpler, and Correct Approach

摘要： https://www.codeproject.com/Articles/36836/Forms-Authentication-and-Role-based-Authorization Problem Space Sad, but true, “Forms authentication in ASP 阅读全文

posted @ 2019-03-27 19:29 ChuckLu 阅读(178) 评论(0) 推荐(0)

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