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Remove textarea inner shadow on Mobile Safari (iPhone)
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answered Jun 20 '10 at 5:49
LyonLyon
6,9541010 gold badges2727 silver badges4545 bronze badges
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Eclipse: How do you change the highlight color of the currently selected method/expression?
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5 Answers
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Active
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To find whether a column exists in data frame or not
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edited Apr 28 '12 at 15:09
answered Apr 23 '12 at 7:03
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How do I negate a condition in PowerShell?
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524
You almost had it with Not. It should be:
if (-Not (Test-Path C:\Code)) {
write "it doesn...
GitHub: What is a “wip” branch?
...or WIP pull requests is written by @ben straub at https://ben.straub.cc/2015/04/02/wip-pull-request/.
New Since Februrary 2019, GitHub offers draft pull requests, which make WIP more explicit: https://github.blog/2019-02-14-introducing-draft-pull-requests/
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MySQL get the date n days ago as a timestamp
...you want
mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day);
2009-06-07 21:55:09
mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day));
2009-06-07 21:55:09
mysql> SELECT UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day));
1244433347
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Remove columns from dataframe where ALL values are NA
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answered Apr 15 '10 at 9:12
teucerteucer
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How to convert a private key to an RSA private key?
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156
Newer versions of OpenSSL say BEGIN PRIVATE KEY because they contain the private key + an OID t...
Is it possible to have multiple statements in a python lambda expression?
...e 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 altoget...