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Autocompletion in Vim
... a plugin like AutoComplPop to get automatic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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Is it possible to have multiple statements in a python lambda expression?
...found in the heapq module.
>>> import heapq
>>> l = [5,2,6,8,3,5]
>>> heapq.nsmallest(l, 2)
[2, 3]
So just use:
map(lambda x: heapq.nsmallest(x,2)[1], list_of_lists)
It's also usually considered clearer to use a list comprehension, which avoids the lambda altogethe...
pandas DataFrame: replace nan values with average of columns
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283
You can simply use DataFrame.fillna to fill the nan's directly:
In [27]: df
Out[27]:
...
游戏中的算法与计算思维 02：用列表生成成对卡片 · App Inventor 2 中文网
...生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 ...
How to find all occurrences of an element in a list?
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123
While not a solution for lists directly, numpy really shines for this sort of thing:
import nu...
How to find my Subversion server version number?
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211
To find the version of the subversion REPOSITORY you can:
Look to the repository on the web ...
Mapping a function on the values of a map in Clojure
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answered Nov 5 '09 at 2:16
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
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Calculating distance between two points, using latitude longitude?
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219
The Java code given by Dommer above gives slightly incorrect results but the small errors add ...
How to split a sequence into two pieces by predicate?
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By using partition method:
scala> List(1,2,3,4).partition(x => x % 2 == 0)
res0: (List[Int], List[Int]) = (List(2, 4),List(1, 3))
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Oracle “(+)” Operator
...s) didn't standardize OUTER joins.
The query would be re-written in ANSI-92 syntax as:
SELECT ...
FROM a
LEFT JOIN b ON b.id = a.id
This link is pretty good at explaining the difference between JOINs.
It should also be noted that even though the (+) works, Oracle recommends not using ...