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Fit background image to div
...s now supported by most browsers.
To scale the background image to fit inside the div:
background-size: contain;
To scale the background image to cover the whole div:
background-size: cover;
JSFiddle example
There also exists a filter for IE 5.5+ support, as well as vendor prefixes for some ...
How can I set the focus (and display the keyboard) on my EditText programmatically
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Try this:
EditText editText = (EditText) findViewById(R.id.myTextViewId);
editText.requestFocus();
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(editText, InputMethodManager.SHOW_IMPLICIT);
http://developer.a...
How to prevent a dialog from closing when a button is clicked
... EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I click on the "no" button...
Gradle alternate to mvn install
...apply plugin: 'maven-publish'
See: https://docs.gradle.org/current/userguide/publishing_maven.html
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What is the use of the JavaScript 'bind' method?
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Bind creates a new function that will force the this inside the function to be the parameter passed to bind().
Here's an example that shows how to use bind to pass a member method around that has the correct this:
var myButton = {
content: 'OK',
click() {
console.log(thi...
How to do stateless (session-less) & cookie-less authentication?
...ou map that to a database, file-store in memory, etc. on the backend to validate the user. This token can have a timeout of whatever time you specified, and if it times out, the user has to log in again. It's fairly scalable - if you store it in a database, its one SQL statement executed, and with t...
MFC AFX_WM_CREATETOOLBAR消息相关 - C/C++ - 清泛网 - 专注C/C++及内核技术
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BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWndEx)
ON_WM_CREATE()
ON_COMMAND(ID_WINDOW_MANAGER, &CMainFrame::OnWindowManager)
ON_COMMAND(ID_VIEW_CUSTOMIZE, &CMainFrame::OnViewCustomize)
ON_REGISTERED_MESSAGE(AFX_WM_CREATETOOLBAR, &CMainFrame::OnToolbarCreateNew)
END_MESSAGE_MAP()
触发事件： ...
MFC MDI切换menu原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...向导生成的SDI或MDI应用程序时，它创建了菜单资源（使用IDR_MAINFRAME作为其资源id。此菜单显示在所有时间SDI应用程序，并且仅在...当应用程序向导生成的 SDI 或 MDI 应用程序时，它创建了菜单资源 （使用 IDR_MAINFRAME 作为其资源 id...
ON_COMMAND_EX、ON_COMMAND区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...定义的消息处理函数解释该参数是当前要处理的命令消息ID。
返回值：如果扩展映射宏的消息处理函数返回FALSE，则导致当前消息被发送给消息路径上的下一个消息目标处理。
综合来看，ON_COMMAND_EX宏有两个功能：
一是可以...
MFC MDI程序的窗口菜单无法正确显示 - C/C++ - 清泛网 - 专注C/C++及内核技术
...n looks for a pop-up menu containing standard Window menu commands such as ID_WINDOW_NEW and ID_WINDOW_TILE_HORZ.Override this member function if you have a Window menu that does not use the standard menu command IDs.
所以，只需要覆盖函数CMDIFrameWnd::GetWindowMenuPopup就可以解决问...