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what is the difference between OLE DB and ODBC data sources?
I was reading a MS Excel help article about pivotcache and wonder what they mean by OLE DB and ODBC sources
11 Answers
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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mozilla PDF.js：PDF在线预览前言 英文是github上的原文，找不到中文资料，我根据自己理解翻译的，有些词意思拿不准就直接把单词留在原地了，看这个文档应该可以凑合着 PDF.js官网（含github地址）：http://mozilla.github.io/pdf.js/
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Get records with max value for each group of grouped SQL results
How do you get the rows that contain the max value for each grouped set?
17 Answers
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What is unit testing? [closed]
I saw many questions asking 'how' to unit test in a specific language, but no question asking 'what', 'why', and 'when'.
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C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
...t.cpp
3: //说明：C++虚拟继承学习演示
4: //环境：VS2005
5: //blog：pppboy.blog.163.com
6: //----------------------------------------------------
7: #include "stdafx.h"
8: #include <iostream>
9: using namespace std;
10:
11: //Base
12: class ...
event Action vs event EventHandler
Is there any different between declaring event Action&lt;&gt; and event EventHandler&lt;&gt; .
7 Answers
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
I installed Ubuntu 14.04 (Trusty Tahr) yesterday. Everything seems OK. But when I tried to compile some C code, I encounter the following error. The error seems to be due to the OS lacking the 32-bit architecture support. The error output is as following:
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Constructor function vs Factory functions
Can someone clarify the difference between a constructor function and a factory function in Javascript.
7 Answers
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How do I remove code duplication between similar const and non-const member functions?
Let's say I have the following class X where I want to return access to an internal member:
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地图组件做App到底怎么选？我踩完6个坑，帮你总结了这份横评 - App应用开发...
上周有个读者私信我：&quot;用App Inventor 2做了个附近美食地图App，标记点全偏到河里去了，这是bug吗？&quot;——不是bug，是坐标系没搞对。今天就来聊聊App Inventor 2地图组件那些事，帮你少走弯路。
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