有什么区别
Class1.Method1<Guid, BECustomer>("cId", Facade.Customers.GetSingle);
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和
Class1.Method1<Guid, BECustomer>("cId", x => Facade.Customers.GetSingle(x));
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?
Resharper建议使用第一个表达式.
在我工作的公司中有一种命名方式,必须将"this"添加到每个函数,属性调用和字段中.有时我会忘记它.我希望Resharper自动完成.
有什么建议?
我想知道为什么不编译?
public static void Main(string[] args)
{
using (MyStruct sss = new MyStruct())
{
sss.s = "fsdfd";// Cannot modify members of 'sss' because it is a 'using variable'
//sss.Set(12); //but it's ok
}
}
public struct MyStruct : IDisposable
{
public int n;
public string s;
public void Set(int n)
{
this.n = n;
}
public void Dispose()
{
Console.WriteLine("dispose");
}
}
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更新:但它完美无缺.为什么?
public static void Main(string[] args)
{
using (MyClass sss = new MyClass())
{
sss.Field = "fsdfd"; …Run Code Online (Sandbox Code Playgroud) 我正在使用JetBrains Rubymine开发Rails应用程序.这是一个很棒的IDE,但不幸的是我没有找到如何格式化hTML或Ruby代码.
有什么建议吗?
我需要通过特殊方式为照片添加水印.我知道怎么做,但我不知道如何做到这一点与文章http://www.photoshopessentials.com/photo-effects/copyright/相同
这是添加水印的方法.如何更改它以获得带有水印的图像,例如上面的文章?
public static Bitmap AddWatermark(this Bitmap originalImage, Bitmap watermarkImage, WatermarkLocationEnum location)
{
int offsetWidth;
int offsetHeight;
if ((watermarkImage.Width > originalImage.Width) | (watermarkImage.Height > originalImage.Height))
throw new Exception("The watermark must be smaller than the original image.");
Bitmap backgroundImage = new Bitmap((Bitmap)originalImage.Clone());
Bitmap image = new Bitmap(backgroundImage.Width, backgroundImage.Height);
Graphics graphics = Graphics.FromImage(image);
offsetWidth = GetOffsetWidth(image.Width, watermarkImage.Width, location);
offsetHeight = GetOffsetHeight(image.Height, watermarkImage.Height, location);
watermarkImage.SetResolution(backgroundImage.HorizontalResolution, backgroundImage.VerticalResolution);
offsetWidth = Math.Max(offsetWidth - 1, 0);
offsetHeight = Math.Max(offsetHeight - 1, 0);
graphics.DrawImage(watermarkImage, offsetWidth, offsetHeight); …Run Code Online (Sandbox Code Playgroud) 我需要更改谷歌地图infoWindow的宽度和高度,我看到了这个主题谷歌地图.InfoWindow设置高度和宽度.我发现它的解决方案不起作用.即使是标准infoWindow = new google.maps.InfoWindow({maxWidth: '50px'})也不会起作用.
那么什么是解决方案?如何改变infoWindow的宽度和高度?
热键Ctrl+ E,Ctrl+ D仅用于格式化C#代码,但由于某种原因不适用于XAML.有人知道热键是什么吗?
我把favicon.ico到/public/文件夹,包括下面的代码到页面布局
<%= favicon_link_tag %>
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但尽管如此,图标仍然无法显示.我该怎么办?
页面包含自定义地址控件和checkBox.为什么第二个代码示例正常工作,但首先没有?
//1
protected void Page_Init(object sender, EventArgs e)
{
//doesn't work properly
ucLegalAddress.Visible = !chkLegalAddress.Checked;
}
//2
protected void Page_Load(object sender, EventArgs e)
{
//works properly
ucLegalAddress.Visible = !chkLegalAddress.Checked;
}
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