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Regex: ?: notation (Question mark and colon notation) [duplicate]
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I am going to guess this is more efficient too, since it does not need to hold the groups in memory for backreference use...
– tmn
Apr 29 '15 at 2:56
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Add Favicon to Website [duplicate]
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Simply put a file named favicon.ico in the webroot.
If you want to know more, please start reading:
Favicon on Wikipedia
Favicon Generator
How to add a Favicon by W3C (from 2005 though)
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Python way of printing: with 'format' or percent form? [duplicate]
In Python there seem to be two different ways of generating formatted output:
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PHP string “contains” [duplicate]
...t would be the most efficient way to check whether a string contains a "." or not?
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数据实时刷新/动态数据交换 技术，DDE or RTD？ - C/C++ - 清泛网 - 专注C/C++及内核技术
数据实时刷新/动态数据交换 技术，DDE or RTD？从Excel 2002开始，Excel引入了一种新的查看和更新实时数据的机制，即real-time data简称RTD函数，他是一种Push-Pull的方式，及在需要更 从Excel 2002开始，Excel引入了一种新的查看和更新实...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘i...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘int’ is not a class, struct, or union type先看下面的代码(来自:SO)：#include <iostream>#include <cmath>#include <vector>using namespace std;double distance(int a, in...先看下面的代码(来自: SO)：
#include <i...
【解决】remctl.so: cannot open shared object file: No such file or dir...
【解决】remctl.so: cannot open shared object file: No such file or directory缺少lib库文件，apt安装即可：apt-get install libremctl*缺少lib库文件，apt安装即可：
apt-get install libremctl*
linux,remctl
What is the behavior of integer division?
For example,
6 Answers
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Count the items from a IEnumerable without iterating?
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IEnumerable doesn't support this. This is by design. IEnumerable uses lazy evaluation to get the elements you ask for just before you need them.
If you want to know the number of items without iterating over them you can use ICollection<T>, i...
Save icon: Still a floppy disk? [closed]
I'm working on a project where the user is able to save their work (most likely to the HDD but also possibly any other media, including floppy disks). Sure, the popular File > Save option is there but what about a toolbar button?
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