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What is the claims in ASP .NET Identity
...re?
There are two common authorization approaches that are based on Role and Claim.
Role-Based Security
A user gets assigned to one or more roles through which the user gets access rights.
Also, by assigning a user to a role, the user immediately gets all the access rights defined for that role....
What is the use of interface constants?
I am learning Java and just found that the Interface can have fields, which are public static and final. I haven't seen any examples of these so far. What are some of the use cases of these Interface Constants and can I see some in the Java Standard Library?
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Best practices for using Markers in SLF4J/Logback
We are using SLF4J+Logback combination at our project for a while now and are quite happy with it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers.
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Using build types in Gradle to run same app that uses ContentProvider on one device
...name suffix to my debug app so I could have release version that I'm using and debug version on one phone. I was referencing this: http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Types
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How to change the background color of the options menu?
...arent="Theme.AppCompat.Light.DarkActionBar">
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<item name="android:itemBackground">@color/overflow_background</item>
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</style>
Tested from API 4.2 to 5.0.
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ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
...接口方法：ConcatStr，并定义接口参数
这时，AtlDemo.idl文件中新增了一个接口：
interface IAtlDemoIf : IDispatch{
[id(1)] HRESULT ConcatStr([in] BSTR* pStr1, [in] BSTR* pStr2, [out,retval] BSTR* pRetStr);
};
AtlDemoIf.h中新增了一个公开成员函数：
S...
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
...了EditBox，需要处理其输入事件，如下：
先给它设置一个ID（可以在resource.h中指定）
m_wndEdit = CreateWindow(_T("EDIT"), 0, WS_CHILD | WS_VISIBLE | ES_WANTRETURN,
70, 4, 60, 16, m_hWnd, (HMENU)IDC_EDIT_SEARCH, (HINSTANCE)GetWindowLong(m_hWnd, GW...
MFC中MDI消息处理流程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为：
1) MDI主窗口(CMDIFrameWnd)收到命令消息WM_COMMAND，其ID位ID_XXX；
2) MDI主窗口将消息传给当前活动的MDI子窗口(CMDIChildWnd)；
3) MDI子窗口给自己的子窗口(View)一个处理机会，将消息交给View；
4) View检查自己Message Map；
5) ...
Picture Control(图片控件)中静态显示位图，解决位图不显示的问题 - C/C++ ...
...Picture Control(图片控件)中静态显示位图，代码如下：
void CShowBmpDlg::OnBnClickedButton1()
{
//从资源中加载图片
CBitmap bitmap;
//加载指定位图资源 Bmp图片ID
bitmap.LoadBitmap(IDB_BITMAP1);
//获取对话框上的句柄 图片控件ID
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mfc 获取控件在对话框上的位置 - C/C++ - 清泛网 - 专注C/C++及内核技术
...框上的位置请看代码，亲测有效：CRect rect;GetDlgItem(控件ID)->GetWindowRect(&rect); 获取控件的屏幕坐标ScreenToClient(&rect); 转换为对...请看代码，亲测有效：
CRect rect;
GetDlgItem(控件ID)->GetWindowRect(&rect); //获取控件的屏幕坐标
ScreenToC...