This question already has an answer here: How do I calculate someone's age in C#? 64 answers You can calculate it using TimeSpan like: DateTime dob = ..... DateTime Today = DateTime.Now; TimeSpan ts = Today - dob; DateTime Age = DateTime.MinValue + ts; // note: MinValue is 1/1/1 so we have to subtract... int Years = Age.Year - 1; int Months = Age.Month - 1; int Days = Age.Day - 1; So
这个问题在这里已经有了答案： 我如何用C＃计算某人的年龄？ 64个答案 您可以使用TimeSpan来计算它，例如： DateTime dob = ..... DateTime Today = DateTime.Now; TimeSpan ts = Today - dob; DateTime Age = DateTime.MinValue + ts; // note: MinValue is 1/1/1 so we have to subtract... int Years = Age.Year - 1; int Months = Age.Month - 1; int Days = Age.Day - 1; 资料来源：http：//forums.asp.net/t/1289
Possible Duplicate: How do I calculate someone's age in C#? I want to write an ASP.NET helper method which returns the age of a person given his or her birthday. I've tried code like this: public static string Age(this HtmlHelper helper, DateTime birthday) { return (DateTime.Now - birthday); //?? } But it's not working. What is the correct way to calculate the person'
可能重复： 我如何用C＃计算某人的年龄？ 我想编写一个ASP.NET帮助程序方法，该方法返回给定生日的人的年龄。 我试过这样的代码： public static string Age(this HtmlHelper helper, DateTime birthday) { return (DateTime.Now - birthday); //?? } 但它不起作用。 根据生日计算人的年龄的正确方法是什么？ Stackoverflow使用这样的函数来确定用户的年龄。 用C＃计算年龄 给出的答案是 DateTime now = Date
This question already has an answer here: How do I calculate someone's age in C#? 64 answers I have written an implementation that properly works with dates exactly one year apart. However, it does not gracefully handle negative timespans, unlike the other algorithm. It also doesn't use its own date arithmetic, instead relying upon the standard library for that. So without furth
这个问题在这里已经有了答案： 我如何用C＃计算某人的年龄？ 64个答案 我已经编写了一个实现，它能够正确使用相隔一年的日期。 但是，与其他算法不同，它不会优雅地处理负时间片。 它也不使用自己的日期算法，而是依赖于标准库。 所以不要紧张，这里是代码： DateTime zeroTime = new DateTime(1, 1, 1); DateTime a = new DateTime(2007, 1, 1); DateTime b = new DateTime(2008, 1, 1); TimeSpan span = b - a; //
This question already has an answer here: What does “yield break;” do in C#? 9 answers Talking about C# , If you want to write an iterator that returns nothing if the source is null or empty. Here is an example: public IEnumerable<T> EnumerateThroughNull<T>(IEnumerable<T> source) { if (source == null) yield break; foreach (T item in source) yield
这个问题在这里已经有了答案： 什么是“收益中断”？在C＃中做什么？ 9个答案 谈论C# ，如果你想写一个迭代器，如果源为空或者为空，它将不返回任何内容。 这里是一个例子： public IEnumerable<T> EnumerateThroughNull<T>(IEnumerable<T> source) { if (source == null) yield break; foreach (T item in source) yield return item; } 没有yield break就不可能在迭代器中返
I'm new to Scala, and from what I understand yield in Scala is not like yield in C#, it is more like select. Does Scala have something similar to C#'s yield? C#'s yield is great because it makes writing iterators very easy. Update: here's a pseudo code example from C# I'd like to be able to implement in Scala: public class Graph<T> { public IEnumerable<T>
我是Scala的新手，从我的理解来看，Scala中的收益不像C＃中的收益率，它更像是select。 Scala有类似于C＃的收益吗？ C＃的良率非常好，因为它使编写迭代器非常简单。 更新：这里是来自C＃的伪代码示例我希望能够在Scala中实现： public class Graph<T> { public IEnumerable<T> BreadthFirstIterator() { List<T> currentLevel = new List<T>(); currentLevel.add(_root); w
I am trying to make use of the async/await feature of ASP.NET in my Web API project. I am not very sure whether it will make any difference in performance of my Web API service. Please find below the workflow and sample code from my application. Work Flow: UI Application → Web API endpoint(controller) → Call method in Web API service layer → Call another external web service. (Here we have
我想在我的Web API项目中使用ASP.NET的async/await功能。 我不太确定它是否会对我的Web API服务的性能产生影响。 请在下面找到我的应用程序中的工作流程和示例代码。 工作流程： UI应用程序→Web API端点（控制器）→Web API服务层中的调用方法→调用另一个外部Web服务。 （这里我们有数据库交互等） 控制器： public async Task<IHttpActionResult> GetCountries() { var allCountrys = await CountryDataServi
This question already has an answer here: Why is it always necessary to implement IDisposable on an object that has an IDisposable member? 7 answers There are 2 reason to implement IDispose: 1. Disposal of unmanaged resources - this is about WHAT to clean up (the unmanaged resources) 2. To be able to control when managed resources are freed - this is about WHEN things get cleaned up .
这个问题在这里已经有了答案： 为什么总是需要在具有IDisposable成员的对象上实现IDisposable？ 7个答案 有2个理由实现IDispose： 1.处理非托管资源 - 这是关于清理的内容 （非托管资源） 2.能够控制什么时候管理资源被释放 - 这是关于什么时候事情被清理 。 一次性使用证明文件非常重视1，但实际上大多数实施文件约为2。 在你的例子中就是这种情况 - 你所拥有的资源被托管（通过包装非托管位图句柄的托管Bitmap类
I have few Question for which I am not able to get a proper answer . 1) Why should we call SuppressFinalize in the Dispose function when we don't have a destructor . 2) Dispose and finalize are used for freeing resources before the object is garbage collected. Whether it is managed or unmanaged resource we need to free it , then why we need a condition inside the dispose function , sayin
我有几个问题，我无法得到正确的答案。 1）当我们没有析构函数时，为什么我们应该在Dispose函数中调用SuppressFinalize。 2）Dispose和Finalize用于在对象被垃圾收集之前释放资源。 无论是托管资源还是非托管资源，我们需要释放资源，那么为什么我们需要在dispose函数内部存在一个条件，当我们从IDisposable调用这个重写函数时传递'true'：Dispose并在从finalize调用时传递false。 看到我从网上复制下面的代码。
I need some explanation in how to create a lot of objects in a parallel way using C#. Right now I'm doing a very lazy thing (see the example at the bottom). I'd like to improve the performance using parallelism because my application takes longer than 10 seconds to initialize all those objects. LocationCollection collection = new LocationCollection() { new
我需要解释如何使用C＃以并行方式创建大量对象。 现在我正在做一件非常懒惰的事情（参见底部的例子）。 我想提高性能使用并行，因为我的应用程序需要超过10秒来初始化所有这些对象。 LocationCollection collection = new LocationCollection() { new Location( 45.516020899111012,9.121949242919207), new Location( 45.515890001741056,9.12163291732332), new Locat
I'm playing with IEnumerable/<T> and IEnumerable/<T> . In one of my trials, I tried to assign a returned value of type IEnumerable<T> to a value of IEnumerator<T> by using casting, and then trying to execute MoveNext() and Current . Though the casting issued no errors, I got no output: class Animal { public string AnimalType { get; set; } public Animal(strin
我在玩IEnumerable/<T>和IEnumerable/<T> 。 在我的一个试验中，我尝试通过使用强制转换将IEnumerator<T>类型的返回值赋值为IEnumerable<T>的值，然后尝试执行MoveNext()和Current 。 虽然铸件没有发出任何错误，但我没有输出： class Animal { public string AnimalType { get; set; } public Animal(string animal_type) { AnimalType = animal_type; } } class FarmColle