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How to avoid reinstalling packages when building Docker image for Python projects?
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Try to build a Dockerfile which looks something like this:
FROM my/base
WORKDIR /srv
ADD ./re...
What do hjust and vjust do when making a plot using ggplot?
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The value of hjust and vjust are only defined between 0 and 1:
0 means left-justified
1 means right-justified
Source: ggplot2, Hadley Wickham, page 196
(Yes, I know that in most cases you can use it beyond this range, but don't expect it to behave in any specific way. This is ou...
How do you match only valid roman numerals with a regular expression?
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16 Answers
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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...较、算术或逻辑运算的指令）执行时，会将相关标志位置1或清0， 常碰到的标志位有零标志（ZF）、符号标志（SF）、溢出标志（OF）和进位标志（CF）
当一个程序要执行时，就要决定程序代码、数据和堆栈各要用到内存的哪...
Version number comparison in Python
...ite a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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Remove empty elements from an array in Javascript
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What Process is using all of my disk IO
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162
You're looking for iotop (assuming you've got kernel >2.6.20 and Python 2.5). Failing that...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
I have seen number ranges represented as [first1,last1) and [first2,last2) .
4 Answers
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How to find the installed pandas version
...sion__:
In [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
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commit:...
How do I include negative decimal numbers in this regular expression?
...ne with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
14 Answers
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