大约有 2,600 项符合查询结果(耗时:0.0396秒) [XML]

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Understanding events and event handlers in C#

... for your event handler. (Stupidly, OnXXX is taken to mean 'handle XXX' in MFC, and 'raise XXX' in .net, and so now its meaning is unclear and confusing - see this post for details ). Preferred names would be RaiseXXX to raise events, and HandleXXX or Sender_XXX to for event handlers. ...
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When does invoking a member function on a null instance result in undefined behavior?

...ber that succeeding falls within the universe of "undefined"! Microsoft's MFC function GetSafeHwnd actually relies on this behavior. I don't know what they were smoking. If you're calling a virtual function, the pointer must be dereferenced to get to the vtable, and for sure you're going to get UB...
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Why Qt is misusing model/view terminology?

...at they call "View". Over the years I have worked with these frameworks: MFC Qt Swing SWT WPF with MVVM If you compare how the terms "Model" and "View" are used in these frameworks, and what responsibilities the classes in the "View", the "Model", and the "Controller" (if there is one) have, you...
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Framework vs. Toolkit vs. Library [duplicate]

...r towards a specific output; an application for a specific OS for example (MFC for MS Windows for example), or for more general purpose work (Spring framework for example). SDK: "Software Development Kit" An SDK is a collection of tools to assist the programmer to create and deploy code/content wh...
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Multiple INSERT statements vs. single INSERT with multiple VALUES

...ation trying to convert a table with several 100k rows with a C++ program (MFC/ODBC). Since this operation took a very long time, I figured bundling multiple inserts into one (up to 1000 due to MSSQL limitations). My guess that a lot of single insert statements would create an overhead similar to w...
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...大单分析(这在你的交易系统说明中有充分的体表);股东数据分析;换手率分析;指数对大盘重心的偏离度分析。寻找买点和卖点。 4)指数偏离大盘重心的程度与仓位线性关系探索,创立指数和仓位的年度方程和季度方程。 5)...
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An operation on a socket could not be performed because the system lac...

...注册表项: 值的名称: MaxUserPort 值类型: 双字节 值数据: 65534 有效范围: 5000-65534 (十进制) 默认值: 0x1388 (5000 十进制) 说明: 此参数控制的程序从系统请求任何可用的用户端口时所使用的最大端口号。通常情况下...
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An operation on a socket could not be performed because the system lac...

...注册表项: 值的名称: MaxUserPort 值类型: 双字节 值数据: 65534 有效范围: 5000-65534 (十进制) 默认值: 0x1388 (5000 十进制) 说明: 此参数控制的程序从系统请求任何可用的用户端口时所使用的最大端口号。通常情况下...
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An operation on a socket could not be performed because the system lac...

...注册表项: 值的名称: MaxUserPort 值类型: 双字节 值数据: 65534 有效范围: 5000-65534 (十进制) 默认值: 0x1388 (5000 十进制) 说明: 此参数控制的程序从系统请求任何可用的用户端口时所使用的最大端口号。通常情况下...
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上海选出最强\"加班楼\" 恒隆广场居首位 - 创意 - 清泛网 - 专注C/C++及内核技术

...前三名。发起这一活动的滴滴专车平台昨天表示,后台大数据分析显示,相关地区有很多用户在深更半夜叫车回家,基本都是加班族。 这一覆盖北上广深的“加班楼”票选活动,这几天在网上相当流行。该活动由滴滴专车平台...