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How to split a delimited string in Ruby and convert it to an array?
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>> "1,2,3,4".split(",")
=> ["1", "2", "3", "4"]
Or for integers:
>> "1,2,3,4".split(",").map { |s| s.to_i }
=> [1, 2, 3, 4]
Or for later versions of ruby (>= 1.9 - as pointed out by Alex):
>> "1,2,3,4".spli...
How to remove the first Item from a list?
I have the list [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
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Array slices in C#
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13
Note using Array.Copy performs a lot faster than using LINQ's Take or Skip methods.
– Michael
Jun 23 ...
Centering the pagination in bootstrap
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Bootstrap has added a new class from 3.0.
<div class="text-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1</a></li>
<li><a href="?p=1" data-original-title=""...
在vc中使用xtremetoolkit界面库-----安装及环境配置 - C/C++ - 清泛网 - 专...
...当然是配置发开环境了：
我使用的是vc6.0+xtremetoolkitPro15.3.1
以下链接是xtremetoolkitPro15.3.1免费下载地址：（其中还包含了注册机，解压Crack文件下的Keygen.zip就可以得到），
http://pan.baidu.com/s/1pJvfy0F
我因为之前安装的是一个绿色...
Open and write data to text file using Bash?
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edited Nov 13 '14 at 18:40
Martin Tournoij
22.1k1717 gold badges8585 silver badges116116 bronze badges
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How do I add PHP code/file to HTML(.html) files?
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answered Jul 3 '12 at 13:47
John CondeJohn Conde
202k8888 gold badges406406 silver badges453453 bronze badges
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[] and {} vs list() and dict(), which is better?
...gt;> from timeit import timeit
>>> timeit("[]")
0.040084982867934334
>>> timeit("list()")
0.17704233359267718
>>> timeit("{}")
0.033620194745424214
>>> timeit("dict()")
0.1821558326547077
and for non-empty:
>>> timeit("[1,2,3]")
0.24316302770330367
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How can I convert a dictionary into a list of tuples?
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363
>>> d = { 'a': 1, 'b': 2, 'c': 3 }
>>> d.items()
[('a', 1), ('c', 3), ('b', ...
C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...如：10010001（二进制）&11110000等于10010000（二进制）。
3、位逻辑或运算
位逻辑或运算将两个运算对象按位进行或运算。或运算的规则是：1或1等1，1或0等于1，
0或0等于0。比如10010001（二进制）| 11110000（二进制）等于11110001...