typeconverter

问题 In php how do I convert a string "1010101010" into the integer value represented by this binary number? eg "10" would go to 2, "101" would go to 5 回答1: Use bindec() function to convert from binary to decimal: $value = bindec("10101011010101"); 回答2: Try the bindec() function. 来源： https://stackoverflow.com/questions/4424746/convert-binary-string-to-integer-in-php

问题 So I'm trying to use this javascript with my asp.net website https://google-developers.appspot.com/chart/interactive/docs/gallery/linechart I have an array in codebehind that has my data which i converted to a multidimensional datatable like this. <in codebehind vb> Public Property datat As DataTable For outerIndex As Integer = 0 To 2 Dim newRow As DataRow = table.NewRow() For innerIndex As Integer = 0 To 2 newRow(innerIndex) = Array(outerIndex, innerIndex) Next table.Rows.Add(newRow) Next

问题 So I'm trying to use this javascript with my asp.net website https://google-developers.appspot.com/chart/interactive/docs/gallery/linechart I have an array in codebehind that has my data which i converted to a multidimensional datatable like this. <in codebehind vb> Public Property datat As DataTable For outerIndex As Integer = 0 To 2 Dim newRow As DataRow = table.NewRow() For innerIndex As Integer = 0 To 2 newRow(innerIndex) = Array(outerIndex, innerIndex) Next table.Rows.Add(newRow) Next

问题 Am trying to work with a Winform Property Grid , and I am not able to format displayed value (mind too strongly tied to wpf now) So what I want is, there is a drop down in property grid that has its own UITypeEditor , this editor shows values such as 1 - On 2 - Off 3 - Unknown so the property on that listens to propertyGrid changes is int and for some odd reasons I cant change it to string, so like in wpf can I have a converter sort of thing that converts 1 into 1- On and 1-On to 1 ? how can

问题 I have an @Entity which holds a variable(list of custom object) along with other fields for the table. I am able to insert, fetch and delete from this entity. But I am facing an issue in updating the entity: I want to update that particular field which holds a list of custom object in the table but while compilation it throws an error: error: Query method parameters should either be a type that can be converted into a database column or a List / Array that contains such type. You can consider

问题 In a Silverlight 4 project I have a class that extends Canvas: public class AppendageCanvas : Canvas { public float Friction { get; set; } public float Restitution { get; set; } public float Density { get; set; } } I use this canvas in Blend by dragging it onto another control and setting the custom properties: alt text http://www.farseergames.com/storage/share/PropertyInBlend.Png When I run the app, I get the following error when InitializeComponent is called on the control containing my

问题 I'm using AutoMapper, and I've registered a TypeConverter to map nullable long values to long values like so: public class NullableLongToLongConverter : TypeConverter<long?, long> { protected override long ConvertCore(long? source) { return source ?? 0; } } This works fine, and automatically picks up any nullable longs being converted to longs. However, I've got some other maps which want to 'convert' nullable longs to nullable longs. These also end up using this type converter. For example,

问题 i usualy set my byte[] arrays like this: byte[] byteArr = { 123, 234, 123, 234, 123, 123, 234 }; now, my problem, i am getting the datas that have to be stored into the array as a string. example: string datas = "123, 234, 123, 234, 123, 123, 234"; i would like to do something like: byte[] byteArr = { datas }; with no luck... I tried exploding the string to array of strings, then convert each value to Int before storing into each array field. with no luck: for (var i = O; i<datasArray.length;

问题 I am trying to create a WPF based PropertyGrid. Recently i tried wpg.codeplex.com project, but i had some problems with this control. Now, i am trying to develop http://blog.joachim.at/?p=36 this project. I successfully added Enum Values, support but i have got problems with collections. For example my custom object has a property that name is City and type is Guid. I want, users can select City from combobox. I was fighting with TypeConverts, IValueConverts, and etc.. How can i solve this?

问题 I have a custom control with a property of type Foo . I created an UITypeEditor for this class. This works well and results in designer code like: Dim Foo1 As PropertySerialization.Foo = New PropertySerialization.Foo() Me.FooControl1 = New PropertySerialization.FooControl() Me.SuspendLayout() ' 'FooControl1 ' Me.FooControl1.Location = New System.Drawing.Point(35, 56) Me.FooControl1.Name = "FooControl1" Me.FooControl1.Size = New System.Drawing.Size(188, 136) Foo1.A = 3 Foo1.B = "World" Me