<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[singlecs的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/singlecs</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; singlecs]]></copyright><item><title><![CDATA[electron start之后index.html页面不显示]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/123304027</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/123304027</guid><author>singlecs</author><pubDate>Sun, 06 Mar 2022 00:20:54 +0800</pubDate><description><![CDATA[win.loadFile(’./index.html’);
写成了
win.loadFile(’…/index.html’);
报错信息：

my-fanqie@1.0.0 start
electron ./main.js

[2576:0305/233115.864:ERROR:gpu_init.cc(454)] Passthrough is not supported, GL is disabled, ANGLE is
PS D:\软件程序\my-electron-app\my-fanqie&gt; e]]></description><category></category></item><item><title><![CDATA[electron安装代理教程]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/123295369</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/123295369</guid><author>singlecs</author><pubDate>Sat, 05 Mar 2022 15:20:39 +0800</pubDate><description><![CDATA[https://zhuanlan.zhihu.com/p/260122142
问题1：
问题内容：cnpm : 无法加载文件 C:\Users\TLGD\AppData\Roaming\npm\cnpm.ps1，因为在此系统上禁止运行脚本。有关详细信息，请参阅 https:/go.microsoft.com/fwlink/?LinkID=135170 中的 about_Execution_Policies。 所在位置 行:1 字符: 1 + cnpm install -gelectron + ~~~~   ]]></description><category></category></item><item><title><![CDATA[spring报错]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/122860347</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/122860347</guid><author>singlecs</author><pubDate>Thu, 10 Feb 2022 14:33:14 +0800</pubDate><description><![CDATA[org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.test.context.support.DelegatingSmartContextLoader]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/springframework/contex]]></description><category></category></item><item><title><![CDATA[多态，封装，继承]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/122820253</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/122820253</guid><author>singlecs</author><pubDate>Tue, 08 Feb 2022 11:08:07 +0800</pubDate><description><![CDATA[封装
封装的意义：
封装的意义在于保护或者防止代码（数据）被我们无意中破坏。
保护成员属性，不让类以外的程序直接访问和修改；
隐藏方法细节
关于对象封装的原则:
内聚：内聚是指一个模块内部各个部分之间的关联程度
耦合：耦合指各个模块之前的关联程度
封装原则：隐藏对象的属性和实现细节，仅对外公开访问方法，并且控制访问级别
在面向对象方法中，用类来实现上面的要求。用类实现封装，用封装来实现高内聚，低耦合。
继承
继承的意义：
主要实现重用代码，节省开发时间。
子类继承父类静态属性方法是否可以被继承和重写？
结论]]></description><category></category></item><item><title><![CDATA[SQLSERVER DEFAULT约束示例]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/122607740</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/122607740</guid><author>singlecs</author><pubDate>Thu, 20 Jan 2022 18:38:26 +0800</pubDate><description><![CDATA[ALTER TABLE Style_FileInfo ADD nDataType INT  NOT NULL CONSTRAINT DataType_DEFAULT DEFAULT(0) WITH VALUES
ALTER TABLE Style_FileInfo  DROP CONSTRAINT DataType_DEFAULT
ALTER TABLE Style_FileInfo  DROP COLUMN nDataType
–查找约束
sp_help Style_FileInfo

...]]></description><category></category></item><item><title><![CDATA[阿里云数据库白名单导致的数据库链接不上问题]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/122540880</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/122540880</guid><author>singlecs</author><pubDate>Mon, 17 Jan 2022 15:25:34 +0800</pubDate><description><![CDATA[百度搜索 IP 获取外网IP。修改白名单

]]></description><category></category></item><item><title><![CDATA[CBCGPDockingControlBar停靠栏的显示隐藏问题]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/119828437</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/119828437</guid><author>singlecs</author><pubDate>Fri, 20 Aug 2021 17:39:12 +0800</pubDate><description><![CDATA[问题：CBCGPDockingControlBar 的停靠栏在使用ShowControlBar 进行控制其显示或隐藏时，隐藏状态下工具栏按钮始终存在。
原因：跟踪ShowControlBar 时发现
CBCGPDockingControlBar::IsHideInAutoHideMode	函数。
BCG的解释是：由框架调用，以确定ShowControlBar（）显示或隐藏控制栏时控制栏在自动隐藏模式下的行为。
当停靠控制栏处于自动隐藏模式时，当调用CBCGPDockControlBar:：ShowContr]]></description><category></category></item><item><title><![CDATA[光标类型]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/116043634</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/116043634</guid><author>singlecs</author><pubDate>Fri, 23 Apr 2021 10:12:48 +0800</pubDate><description><![CDATA[::SetCursor(LoadCursor(NULL, IDC_SIZEWE));
16种图标分别是：
IDC_APPSTARTING 标准的箭头和小沙漏
IDC_ARROW 标准的箭头
IDC_CROSS 十字光标
IDC_HAND Windows 98/Me, Windows 2000/XP: Hand
IDC_HELP 标准的箭头和问号
IDC_IBEAM 工字光标
IDC_ICON Obsolete for applications marked version 4.0 or later.
IDC]]></description><category></category></item><item><title><![CDATA[MFC 打开外部程序]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/115698235</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/115698235</guid><author>singlecs</author><pubDate>Wed, 14 Apr 2021 14:39:28 +0800</pubDate><description><![CDATA[CString strFileName = m_strDeviceType + _T(".pdf");
	CString strPath = RnFile::MyGetFilePath(theApp.m_strWorkPath) + _T("\\CommonRes\\DeviceInfoRes\\") + strFileName;

	HINSTANCE hinstance = ShellExecute(NULL, _T("open"), strPath,NULL,strPath,SW_SHOWNORMA.]]></description><category></category></item><item><title><![CDATA[DrawText详解]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/115658286</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/115658286</guid><author>singlecs</author><pubDate>Tue, 13 Apr 2021 11:15:18 +0800</pubDate><description><![CDATA[函数原型
int DrawText(
HDC hDC,          // 设备描述表句柄
LPCTSTR lpString, // 将要绘制的字符串
int nCount,       // 字符串的长度
LPRECT lpRect,    // 指向矩形结构RECT的指针
UINT uFormat      // 正文的绘制选项
　　);
参数

hdc：
[输入]设备环境句柄。
lpString：
[输入]指向将被写入的字符串的指针，如果参数nCount是-1，则字符串必须是以/0结束的。 如果u]]></description><category></category></item><item><title><![CDATA[使用DT_VCENTER无效的解决办法]]></title><link>https://blog.youkuaiyun.com/singlecs/article/details/115657812</link><guid>https://blog.youkuaiyun.com/singlecs/article/details/115657812</guid><author>singlecs</author><pubDate>Tue, 13 Apr 2021 11:00:59 +0800</pubDate><description><![CDATA[使用DT_VCENTER无效的解决办法
增加 DT_SINGLELINE 就可以了
pDC-&gt;DrawText(_T(“文字”), rect, DT_SINGLELINE | DT_VCENTER);

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