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How do you run a command for each line of a file?
For example, right now I'm using the following to change a couple of files whose Unix paths I wrote to a file:
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Why does Ruby have both private and protected methods?
Before I read this article , I thought access control in Ruby worked like this:
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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Preserve line breaks in angularjs
I have seen this SO question.
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Convert a series of parent-child relationships into a hierarchical tree?
I have a bunch of name-parentname pairs, that I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
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Coding Practices which enable the compiler/optimizer to make a faster program
Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
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What's “P=NP?”, and why is it such a famous question? [closed]
The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting?
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...从org.apache.mahout.cf.taste包说起。
packages的说明：
common: 公共类包括，异常，数据刷新接口，权重常量
eval: 定义构造器接口，类似于工厂模式
model: 定义数据模型接口
neighborhood: 定义近邻算法的接口
recommender: 定义推荐算法...
How to read the content of a file to a string in C?
What is the simplest way (least error-prone, least lines of code, however you want to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)?
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Notepad++ - How can I replace blank lines [duplicate]
I have a text file with a thousand lines of numbers like so:
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