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How can I reverse a list in Python?
...ou can make use of the reversed function for this as:
>>> array=[0,10,20,40]
>>> for i in reversed(array):
... print(i)
Note that reversed(...) does not return a list. You can get a reversed list using list(reversed(array)).
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psql: FATAL: Peer authentication failed for user “dev”
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Try:
psql -U user_name -h 127.0.0.1 -d db_name
where
-U is the database user name
-h is the hostname/IP of the local server, thus avoiding Unix domain sockets
-d is the database name to connect to
This is then evaluated as a "network" connection by ...
Unable to copy ~/.ssh/id_rsa.pub
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DISPLAY=:0 xclip -sel clip < ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
share
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How to check if a float value is a whole number
...to find the largest cube root that is a whole number, that is less than 12,000.
13 Answers
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Javascript web app and Java server, build all in Maven or use Grunt for web app?
...akes about ~35s when using Rhino and ~15s using Wro4j's Node support on a 2013 iMac with 16G of RAM. Using Grunt+Node takes about 2s on my puny MacBook Air.
JAWR - The integrations and feature list are pretty good but the docs aren't great and writing your own plugins can be a little tricky. When I ...
Should I pass an std::function by const-reference?
... Yakk - Adam NevraumontYakk - Adam Nevraumont
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How to declare a structure in a header that is to be used by multiple files in c?
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if this structure is to be used by some other file func.c how to do it?
When a type is used in a...
Making a triangle shape using xml definitions?
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20 Answers
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Unpacking, extended unpacking and nested extended unpacking
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answered Aug 6 '11 at 17:30
senderlesenderle
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What is a “cache-friendly” code?
...erb Sutter's talk on machine architecture (youtube) (specifically check 12:00 and onwards!).
Slides about memory optimization by Christer Ericson (director of technology @ Sony)
LWN.net's article "What every programmer should know about memory"
Main concepts for cache-friendly code
A very important...