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Why are dates calculated from January 1st, 1970?
...s that dominant. For example:
Countless millions (billions?) of Microsoft Excel & Lotus 1-2-3 documents use January 0, 1900 (December 31, 1899).
The world now has over a billion iOS/OS X devices using the Cocoa (NSDate) epoch of 1 January 2001, GMT.
The GPS satellite navigation system uses Janu...
Import CSV file to strongly typed data structure in .Net [closed]
... necessarily authoritative, as many CSV writers do not comply with it e.g. Excel does not always use a comma in "CSV" files. Also didn't my previous answer already say the class could be used from C#?
– MarkJ
Oct 10 '11 at 15:29
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Is XSLT worth it? [closed]
... as requested by the end user. I had a fairly random request to provide as Excel data. A former colleague had done something similar programatically but it required a module of a few class files and that the server had MS Office installed! Turns out Excel has an XSD: new functionality with minimum b...
What's the difference between RSpec and Cucumber? [closed]
...{ page.should have_content article.title }
end
end
This blog series is excellent on getting going with RSpec.
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Search for selection in vim
...s in your registers and then using cntl-R N to get what's in register N is excellent!
– Rob Wells
Dec 15 '08 at 20:22
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Delete all Duplicate Rows except for One in MySQL? [duplicate]
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Excellent solution. It worked perfectly. But I have one suggestion here we should swap the conditions. Instead of [WHERE n1.id > n2.id AND n1.name = n2.name] we should write [WHERE n1.name = n2.name AND n1.id > n2.id] i...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，当然我们也可以自定义比较函数。另外，如果调试过程中遇到很奇怪的问题，可以在自定义比较函数中下断点进行调试。
// boost_demo.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "boost/shared_ptr.hpp"
#include "...
选中CListCtrl指定行并发送LVN_ITEMCHANGED消息 - C/C++ - 清泛网 - 专注C/C++及内核技术
选中CListCtrl指定行并发送LVN_ITEMCHANGED消息在使用CListCtrl列表控件的程序中，当我们修改了CListCtrl后需要要定位到已修改的行，可以使用下面的函数实现： 定位并使指定行选中m_list...在使用CListCtrl列表控件的程序中，当我们修改...
MFC 修改对话框图标 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 修改对话框图标在对应对话框的初始化函数OnInitDialog()中，添加以下代码：HICON m_hIcon;m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 主框架的...在对应对话框的初始化函数OnInitDialog()中，添加以下代码：
HICON m_hIcon;
m_hIcon = AfxGetApp()->...
截图软件截图区域以外背景变灰的实现--AlphaBlend - C/C++ - 清泛网 - 专注...
...图软件截图区域以外背景变灰的实现--AlphaBlendOnPaint()方法中： ------------画黑色背景---------------- COLORREF bgColor =...OnPaint()方法中：
// ------------画黑色背景----------------
COLORREF bgColor = RGB(0, 0, 0);
char alpha = (255 * ...