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Rename specific column(s) in pandas
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Timings:
%%timeit
df.rename(columns={'gdp':'log(gdp)'}, inplace=True)
10000 loops, best of 3: 168 µs per loop
%%timeit
df.columns = ['log(gdp)' if x=='gdp' else x for x in df.columns]
10000 loops, best of 3: 58.5 µs per loop
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Algorithm to detect overlapping periods [duplicate]
...awlingRawling
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How to update PATH variable permanently from Windows command line?
...TH%;C:\\Something\\bin"
However, setx will truncate the stored string to 1024 bytes, potentially corrupting the PATH.
/M will change the PATH in HKEY_LOCAL_MACHINE instead of HKEY_CURRENT_USER. In other words, a system variable, instead of the user's. For example:
SETX /M PATH "%PATH%;C:\your pa...
Update multiple rows in same query using PostgreSQL
...w sql construct today
– javadba
Sep 10 at 19:47
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What's the difference between SortedList and SortedDictionary?
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Jon SkeetJon Skeet
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Build vs new in Rails 3
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answered Feb 10 '11 at 7:41
henrymhenrym
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2024年7月1日签到记录贴 - 签到区 - 清泛IT社区，为创新赋能！
...成签到,是今天第一个签到的用户,获得随机奖励 小红花 10,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2024-07-01 08:21 完成签到,是今天第2个签到的用户,获得随机奖励 小红花 10,另外我还额...
What is the purpose of double curly braces in React's JSX syntax?
...lix Kling
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How does std::forward work? [duplicate]
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edited May 23 '17 at 10:31
Community♦
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answered Dec 15 '11 at 22:14
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hidden symbol ... is referenced by DSO 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...因是符号(函数)未导出导致的，添加导出申明即可解决：__attribute__ ((visibility("default")) DSO 是动态共享对象，Linux报“hidden symbol ... is referenced by DSO”错误的原因是符号(函数)未导出导致的，添加导出申明即可解决：
__attribute__ (...