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Protected Sub cancel_btn_Click(sender As Object, e As EventArgs) Handles cancel_btn.Click | |
Dim i As Integer = 0 | |
Dim j As Integer = 12 | |
tb1.Text = Str(i + j) | |
ScriptManager.RegisterClientScriptBlock(Me, GetType(String), "", "<script>$.unblockUI();</script>", False) | |
End Sub |
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namespace Utility | |
{ | |
public static class ExtensionMethod | |
{ | |
public static int DaysOfThisMonth(this DateTime datetime) | |
{ | |
return (datetime.AddMonths(1) - datetime).Days; | |
} | |
public static bool IsImageFile(this IEnumerable<string> list) |
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public class SpecialDate | |
{ | |
public DateTime GetThreeMonthLater(DateTime original) | |
{ | |
//msdn reference: http://msdn.microsoft.com/zh-tw/library/system.datetime.addmonths.aspx | |
//AddMonths 方法會將閏年和月份天數列入考量以計算結果的月份和日期,然後調整產生之 DateTime 物件的日期部分。 | |
//如果產生的日期在產生的月份中不是有效的日期,則會使用產生之月份的最後一個有效日期。 | |
//例如 3 月 31 日 + 1 個月 = 4 月 30 日。產生之 DateTime 物件的當天時間部分仍然與這個執行個體相同。 | |
var result = original.AddMonths(3); | |
return result; |
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using System; | |
using Microsoft.VisualStudio.TestTools.UnitTesting; | |
using LinqSession3_GenericSample; | |
using System.Text; | |
namespace UnitTestLinqSession3 | |
{ | |
[TestClass] | |
public class UnitTest1 | |
{ |
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這兩天跟一些前輩在討論,如果只是要判斷集合有沒有資料,到底是要用Count() > 0 比較好,還是用 Any() 比較好。 | |
而在一些資料結構上,如List<T>,Count() 跟Count的差異到底在哪。 | |
這邊給個Count()擴充方法的程式碼: | |
https://gist.github.com/regionbbs/17c2d551479171c48eb8 | |
大家應該都知道,IEnumerable其實就是給foreach用的串列集合而已,除了給foreach用的以外,上面並沒有甚麼其他多餘的屬性或方法。 | |
而Count這個屬性在一堆集合裡面可以用,是因為這堆集合都有實作了ICollection or ICollection<T>,因此有Count可以用。 | |
歸納一下結論: |
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Hi folks, | |
這邊有一篇王建興前輩針對區域變數命名長度的見解,講的挺清楚的,雖與我們現行不盡相同,但看一下對大家肯定會有幫助。 | |
請參考: http://www.ithome.com.tw/itadm/article.php?c=68698 | |
整篇文章最重要的就是: 範圍的大小,影響命名的講究程度 | |
一般來說,如果您可以做到以下條件同時成立,命名不用太長沒關係: | |
1. 一個function的內容,或是該變數生命週期,不到一頁的長度 |
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我們家在徵 Sr. .NET developer,職缺資訊: | |
http://www.104.com.tw/jobbank/custjob/index.php?r=job&j=4c70426e4c463f5631323a63383e36620383a436d565c3e212121211e382b2625381j99&jobsource=cj2008 | |
有興趣的朋友歡迎內洽,也請準備好 resume(中英文各一份) , 一切順利的話,我可以幫您直接轉交履歷,以方便後續安排 interview 流程。 | |
也順便 highlight 幾個重點: | |
1. OOD/OOP (雖然老生常談了,不過這一點對我們來說還是很重要) | |
2. 版本控管使用經驗(必備), CI, Unit testing(automation) 經驗佳 | |
3. 主動積極學習技術的熱忱 | |
4. 團隊合作經驗 |
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// 要加入參考system.componentmodel.dataannotations.dll | |
using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Text; | |
using System.Threading.Tasks; | |
using System.ComponentModel.DataAnnotations; | |
using System.Reflection; | |
namespace ModelValidate |
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public abstract class AbstractBoxOfFruit<TFruit> where TFruit : Fruit | |
{ | |
public abstract void Add(TFruit fruit); | |
} | |
public class BoxOfApple : AbstractBoxOfFruit<Apple> | |
{ | |
public override void Add(Apple fruit) | |
{ |
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public class GrandFather | |
{ | |
[StringLength(5, MinimumLength = 3)] | |
public string Name { get; set; } | |
[NestedValidation] | |
public List<Father> Fathers { get; set; } | |
} | |
public class Father |