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std::wstring VS std::string
...s a basic_string templated on a char, and std::wstring on a wchar_t.
char vs. wchar_t
char is supposed to hold a character, usually an 8-bit character.
wchar_t is supposed to hold a wide character, and then, things get tricky:
On Linux, a wchar_t is 4 bytes, while on Windows, it's 2 bytes.
What a...
Difference between solr and lucene
...rch, LinkedIn (yes, under the hood), etc..
Check out this article: Lucene vs Solr
UPDATE (6/18/14)
When to use Lucene?
You are a search engineer AND
You are a programmer AND
You want full control over almost all the internals of Lucene AND
Your requirements demand you to do all sorts of geeky c...
'printf' vs. 'cout' in C++
...example, http://programming-designs.com/2009/02/c-speed-test-part-2-printf-vs-cout/)
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Fixed point vs Floating point number
I just can't understand fixed point and floating point numbers due to hard to read definitions about them all over Google. But none that I have read provide a simple enough explanation of what they really are. Can I get a plain definition with example?
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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
...erit.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: cla...
Using -performSelector: vs. just calling the method
I'm still kind of new to Objective-C and I'm wondering what is the difference between the following two statements?
5 Answe...
Can I automatically increment the file build version when using Visual Studio?
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This works as good as anything else, and works in VS2005. I was hoping for some rational number like 1.0.1.56 in lieu I get 1.0.3266.30135 but at least it increases (albeit by some random number :D)
– inspite
Dec 10 '08 at 16:46
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How to Deserialize XML document
...under Tools. If not, try accessing it from the visual studio folder. For VS 2012 it was located here: C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\Shortcuts. In Windows 8 try searching for "Visual Studio Tools".
– goku_da_master
Oct 16 '...
Xcode Project vs. Xcode Workspace - Differences
I am trying to understand how the whole ecosystem of iOS works.
Until now, I could find an answer for most of my question (and trust me, there have been a lots of them), but for this one, there seems to be no clear answer yet.
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Understanding checked vs unchecked exceptions in Java
Joshua Bloch in " Effective Java " said that
21 Answers
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