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Reading a delimited string into an array in Bash
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339
In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<...
Rails nested form with has_many :through, how to edit attributes of join model?
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3 Answers
3
Active
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Verify version of rabbitmq
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answered Sep 29 '11 at 13:28
MarekMarek
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What does static_assert do, and what would you use it for?
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83
Off the top of my head...
#include "SomeLibrary.h"
static_assert(SomeLibrary::Version > 2, ...
How does `is_base_of` work?
...ted to D* and B*. It's a user defined conversion sequence as described by 13.3.3.1.2 from Host<B, D> to D* and B* respectively. For finding conversion functions that can convert the class, the following candidate functions are synthesized for the first check function according to 13.3.1.5/1
D...
How to merge dictionaries of dictionaries?
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return a
# works
print(merge({1:{"a":"A"},2:{"b":"B"}}, {2:{"c":"C"},3:{"d":"D"}}))
# has conflict
merge({1:{"a":"A"},2:{"b":"B"}}, {1:{"a":"A"},2:{"b":"C"}})
note that this mutates a - the contents of b are added to a (which is also returned). if you want to keep a you could call it like m...
How to find a hash key containing a matching value
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answered Sep 25 '10 at 13:43
Daniel VandersluisDaniel Vandersluis
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Add single element to array in numpy
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answered Sep 7 '11 at 11:21
steabertsteabert
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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3. lsof — 打开文件列表
lsof 命令对于很多 Linux/Unix 系统都可以使用，主要以列表的形式显示打开的文件和进程。
打开的文件...