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High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...comparison of Levenshtein and Difflib similarity, I calculated both for ~2.3 million book titles:
import codecs, difflib, Levenshtein, distance
with codecs.open("titles.tsv","r","utf-8") as f:
title_list = f.read().split("\n")[:-1]
for row in title_list:
sr = row.lower().spl...
Grab a segment of an array in Java without creating a new array on heap
... was introduced in Java 6 (late 2006?):
byte [] a = new byte [] {0, 1, 2, 3, 4, 5, 6, 7};
// get a[4], a[5]
byte [] subArray = Arrays.copyOfRange(a, 4, 6);
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How to install trusted CA certificate on Android device?
...
Starting from Android 4.0 (Android ICS/'Ice Cream Sandwich', Android 4.3 'Jelly Bean' & Android 4.4 'KitKat'), system trusted certificates are on the (read-only) system partition in the folder '/system/etc/security/' as individual files. However, users can now easily add their own 'user' cer...
What does -> mean in Python function definitions?
I've recently noticed something interesting when looking at Python 3.3 grammar specification :
7 Answers
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How can I declare and use Boolean variables in a shell script?
...!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_world_is_flat=true
# ...do something interesting...
if $the_world_is_flat ; then
echo 'Be careful not to fall off!'
fi
From: Using boolean variables in Bash
The reason the original answer is included here is b...
Is there a visual profiler for Python? [closed]
... SnakeViz is much easier to install.
Edit: SnakeViz supports Python 2 and 3 and works on all major systems.
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...MP to store the date+time, but I read that there is a limitation of year 2038 on it. Instead of asking my question in bulk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
...
inject bean reference into a Quartz job in Spring?
...y);
...
return quartzScheduler;
}
Working for me, using spring-3.2.1 and quartz-2.1.6.
Check out the complete gist here.
I found the solution in this blog post
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Negative list index? [duplicate]
...
183
Negative numbers mean that you count from the right instead of the left. So, list[-1] refers to ...
CentOS系统下如何挂载第2块磁盘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...disk模式
# fdisk /dev/sdb
2）输入n进行分区
3）选择分区类型
这里有两个选项：
p: 主分区 linux上主分区最多能有4个
e: 扩展分区 linux上扩展分区只能有1个，扩展分区创建后不能直接使用，还要在...