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How to remove outliers from a dataset
...aL3xaaL3xa
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Floating point vs integer calculations on modern hardware
...strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations are generally very simple (such as addition) and have an accelerated route through the processor, and others (such as division) take m...
How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
...evious commit I use: git reset --hard HEAD And git returns: HEAD is now at 820f417 micro
How do I then revert the files on my hard drive back to that previous commit?
If you do git reset --hard <SOME-COMMIT> then Git will:
Make your current branch (typically master) back to point at &...
How to check if mysql database exists
... Alexis Wilke
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answered May 8 '09 at 9:26
KirtanKirtan
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Finding duplicate values in a SQL table
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edited Jun 1 '18 at 11:59
Andriy M
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How to format a float in javascript?
... their own way.
– DDPWNAGE
Apr 17 '18 at 5:31
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Can I target all tags with a single selector?
... edited Jul 12 at 5:09
user1063287
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answered Jun 15 at 20:00
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...PC 比较1000w次海明距离需要 300ms ，和5000w数据比较需要1.8 s。看起来相似度计算不是很慢，还在秒级别。给大家算一笔账就知道了：
随着业务增长需要一个小时处理100w次，一个小时为3600 *1000 = 360w毫秒，计算一下一次相似度比较...
Read a file line by line assigning the value to a variable
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The following reads a file passed as an argument line by line:
while IFS= read -r line; do
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