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Exit codes in Python

...n bash you can check the special variable $? for the last exit status: me@mini:~$ python -c ""; echo $? 0 me@mini:~$ python -c "import sys; sys.exit(0)"; echo $? 0 me@mini:~$ python -c "import sys; sys.exit(43)"; echo $? 43 Personally I try to use the exit codes I find in /usr/include/asm-generic...
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Convert to binary and keep leading zeros in Python

...mat() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters width, with 0 padding; 2 characters for the 0b prefix, the other 8 for the binary digits. This is the m...
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MFC CEdit控件自绘、MFC圆角输入框 - C/C++ - 清泛网 - 专注C/C++及内核技术

...调=WM_CTLCOLOR是消息反射,是WM_NCPAINT而不是WM_PAINT!完整代码...先看效果图: 解决方案:重载CEdit,处理“=WM_CTLCOLOR” + “WM_NCPAINT” 强调“= WM_CTLCOLOR”是消息反射,是WM_NCPAINT而不是WM_PAINT! 完整代码: MyEdit.h //##...
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MFC SetCursor设置手型鼠标光标 - C/C++ - 清泛网 - 专注C/C++及内核技术

MFC SetCursor设置手型鼠标光标设置手型鼠标光标,部分代码如下:void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point){__super::OnMouseMove(nFlags, point);int...设置手型鼠标光标,部分代码如下: void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point) { __super::O...
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解决:mfc checkbox自绘控件 点击事件无效 - C/C++ - 清泛网 - 专注C/C++及内核技术

解决:mfc checkbox自绘控件 点击事件无效自绘控件中代码:ON_CONTROL_REFLECT(BN_CLICKED, OnClicked)void CMyCheckbox::OnClicked() { m_bCheck = !m_bCheck; ...自绘控件中代码: ON_CONTROL_REFLECT(BN_CLICKED, OnClicked) void CMyCheckbox::OnClicked() { m_b...
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在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...省并没有实现,所以需要模拟一下,编程语言以PHP为例,代码大致如下所示:<?phpfunct...MySQL用户多半都有Auto Increment情结,不过MongoDB缺省并没有实现,所以需要模拟一下,编程语言以PHP为例,代码大致如下所示: <?php function...
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...板: 新增一个文件 phpcms\templates\default\content\type.html ,代码如下: {template "content","header"} <!--main--> <?php $typeid = intval($_GET['typeid']);?> <div class="main"> <div class="col-left"> <div class="crumbs"> <a href="{siteurl($siteid)}">首页</a><span> > ...
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mfc spin control 用法 - C++ UI - 清泛IT社区,为创新赋能!

...nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// TODO: 在此添加控件通知处理程序代码 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if(pNMUpDown-&gt;iDelta == 1)&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;// 如果此值为1 , 说明点击了Spin往下箭头 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;{... &nbsp; &nbsp...
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Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...

...ption mismatch xxxintel_smid_compile_error最近在使用CPU指令集优化代码时候,编译出错,报错如下: usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining failed in call to always_i 最近在使用CPU指令集优化代码时候,编译出错,报...
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App Inventor 2 组件参考文档 · App Inventor 2 中文网

...个组件都可以有方法、事件和属性。这些属性都可以通过代码块获取或设置值,也有一些属性不能被程序改变(这些你只能通过代码块来获取值,而不能设置值)。 每个项目都带有附加文本注释,以指示项目类型、是否是只...