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Why doesn't the height of a container element increase if it contains floated elements?
...evel parent is explicitly stated here in the spec: w3.org/TR/CSS21/visudet.html#normal-block The reason why adding a clearfix works is because 1) the clearfix is (usually) in the normal flow 2) clearing floats requires that the clearfix be placed at the very bottom of the floats 3) the container has...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...om the documentation: https://www.postgresql.org/docs/10/tutorial-createdb.html
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how to convert a string date into datetime format in python? [duplicate]
How do I convert a a string of datetime into datetime format in python so that it can be compared with another date?
2 Answ...
6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
...o1.c
#define _________ }
#define ________ putchar
#define _______ main
#define _(a) ________(a);
#define ______ _______(){
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define _____ __ ___ ____...
CGridCtrl 选中一行 - C/C++ - 清泛网 - 专注C/C++及内核技术
CGridCtrl 选中一行 选中单元格m_Grid.SetItemState(row,col,LVIS_SELECTED|LVIS_FOCUSED); 取消选中单元格m_Grid.SetItemState(row,col,LVIS_OVERLAYMASK);//选中单元格
m_Grid.SetItemState(row, col, LVIS_SELECTED | LVIS_FOCUSED);
//取消选中单元格
m_Grid.SetItemState(row, col...
mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结 - C/C++ - 清...
mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结首先看一下xp风格与非xp风格： 非xp风格 xp风格stdafx.h中添加：#ifdef _UNICODE#if defined _M_IX86#pragma co...首先看一下xp风格与非xp风格：
非xp风...
MFC的DDX和DDV技巧 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC的DDX和DDV技巧DDX将数据成员变量同对话类模板内的控件相连接，这么就使得数据在控件之间很轻率地传输。DDV用于数据的校验，例如它能积极校验数据成员变量...DDX将数据成员变量同对话类模板内的控件相连接，这么就使得数...
MFC 控件绑定的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 控件绑定的几种方法方法一（最常用的，DoDataExchange中）：DDX_Control(pDX, IDC_BUTTON_ADD, m_btnAdd);方法二（OnInitDialog中）：m_btnAdd.SubclassDlgItem(IDC_BUTTON_ADD,this);方法一（最常用的，DoDataExchange中）：
DDX_Control(pDX, IDC_BUTTON_ADD, m_btnAdd);
...
MFC中改变 toolbar 工具条的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC中改变 toolbar 工具条的背景颜色两句代码就OKHBRUSH newBr = CreateSolidBrush(RGB(212,122,212));SetClassLong(m_Toolbar.m_hWnd, GCL_HBRBACKGROUND, (long)newBr);亲测有效。两句代码就OK
HBRUSH newBr = CreateSolidBrush(RGB(212,122,212));
SetClassLong(m_Toolbar.m_hWnd, GCL_HB...
windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术
...编码转换为linux使用的utf8格式的，否则会出现乱码。
//m_string是windows下的中文字符串
//utf8_string是返回转换为utf8编码的中文字符串
//slen是utf8_string字符数组的大小
int multichar_2_utf8(const char *m_string,char *utf8_string,int slen) {
int...