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https://www.tsingfun.com/it/cpp/1289.html 

CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ID,作为本次创建的控件对象的标识 dwStyle:控件风格,默认值为:WS_CHILD | WS_BORDER | WS_TABSTOP | WS_VISIBLE。 常用风格请参见下表: 控件风格ID 说明 WS_CHILD 说明窗口为子窗口 WS_OVERLAPPED ...
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Check orientation on Android phone

...anything, because nothing is changing, because the launcher has locked the screen orientation and doesn't allow it to change. So it is correct that .orientation doesn't change, because the orientation hasn't changed. The screen is still portrait. – hackbod Fe...
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OceanBase使用libeasy原理源码分析:服务器端 - 数据库(内核) - 清泛网 - ...

...nn_list_node; // file description // default_message_len 默认是16, 大小是8KB, first_message_len默认是2, 大小是1KB // libeasy对于每个连接收数据的时候,如果上次对于这个连接已经收到了1个或者n个完整的包(easy_request_t对应于...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...laveOk=false", "code" : 13435 } at src/mongo/shell/query.js:128 #mongodb默认是从主节点读写数据的,副本节点上不允许读,需要设置副本节点可以读。 repset:SECONDARY> db.getMongo().setSlaveOk(); #可以看到数据已经复制到了副本集。 repset:SECONDARY>...
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OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术

...用程序框架在CView::OnInitialUpdate 和CDocument::UpdateAllViews 的默认实现中都会调用。 OnUpdate,OnUpdate的默认实现是通过Invalidate产生WM_PAINT,这时OnDraw又被调用了。 OnDraw除了你和应用程序框架间接调用外,window还可能间接调用它。 ...
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How to find the operating system version using JavaScript?

...wig) */ (function (window) { { var unknown = '-'; // screen var screenSize = ''; if (screen.width) { width = (screen.width) ? screen.width : ''; height = (screen.height) ? screen.height : ''; screenSize += '' + width + " x " +...
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...编译安装postfix 从配置简单方面考虑,我们根据postfix的默认配置条件进行新建用户等,以免漏掉某些修改,导致的一些麻烦 1、建立postfix用户,并且指定UID,GID为2525,组postdrop groupadd -g 2525 postfix useradd -g postfix -u 2525 -s /sbin/n...
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How can I save a screenshot directly to a file in Windows? [closed]

In Windows XP, one can press Alt-PrintScreen to copy an image of the active window, or Ctrl-PrintScreen to copy an image of the full desktop. ...
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How to detect user inactivity in Android

...Count down timer starts and logs out user after 5 mins OR user turns the screen OFF. ----> Count down timer starts and logs out user after 5 mins ...
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社交应用组件 · App Inventor 2 中文网

... 设置联系人选择框的形状,此属性的有效值为: 0(默认) 1 (圆形) 2(矩形) 3(椭圆形)。 如果设置了图像,则形状将不可见。 显示反馈 设置联系人选择框指定 图像后被按压是否显示视觉反馈。 ...