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When should I use Lazy?
I found this article about Lazy : Laziness in C# 4.0 – Lazy
7 Answers
7
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Pandas count(distinct) equivalent
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454
I believe this is what you want:
table.groupby('YEARMONTH').CLIENTCODE.nunique()
Example:
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Convert decimal to hexadecimal in UNIX shell script
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echo "obase=16; 34" | bc
If you want to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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HtmlSpecialChars equivalent in Javascript?
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answered Jan 29 '11 at 5:48
KipKip
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How to find the nearest parent of a Git branch?
... \
2---3---o bar
\
4
\
5---6 baz
It looks like baz is based on (an old version of) bar? But what if we delete bar?
---o---1 foo
\
2---3
\...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...这里为了介绍PHP的FastCGI功能没有加入更多的编译选项。
4.配置与优化PHP-FPM
PHP的全局配置文件是php.ini，在上面的步骤中，已经将此文件复制到了/usr/local/php/lib/php.ini下。可以根据每个应用需求的不同，对php.ini进行相应的配置。...
Insert results of a stored procedure into a temporary table
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answered Aug 4 '09 at 15:27
Aaron AltonAaron Alton
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ORDER BY the IN value list
... c.*
from comments c
join (
values
(1,1),
(3,2),
(2,3),
(4,4)
) as x (id, ordering) on c.id = x.id
order by x.ordering
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nodejs how to read keystrokes from stdin
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answered Feb 20 '11 at 20:42
DanSDanS
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How can I concatenate NSAttributedStrings?
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Mick MacCallumMick MacCallum
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