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What are type lambdas in Scala and what are their benefits?
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@retronym, I got an error when trying (1, 2).map(a => a + 1) in REPL: ` <console>:11: error: value map is not a member of (Int, Int) (1, 2).map(a => a + 1) ^`
– Kevin Meredith
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Text Progress Bar in the Console [closed]
...e number to be updated on the same line. :)
– bobber205
Jul 4 '10 at 1:14
9
This example also pro...
Is errno thread-safe?
...my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Difference between single and double square brackets in Bash
... && b = b ]]: true, logical and
[ a = a && b = b ]: syntax error, && parsed as an AND command separator cmd1 && cmd2
[ a = a -a b = b ]: equivalent, but deprecated by POSIX³
[ a = a ] && [ b = b ]: POSIX and reliable equivalent
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[[ (a = a || a = b) &...
Detach (move) subdirectory into separate Git repository
... you can't "push" deletes to GitHub and the like. If you try you'll get an error and you'll have to git pull before you can git push - and then you're back to having everything in your history.
So if you want to delete history from the "origin" - meaning to delete it from GitHub, Bitbucket, etc - yo...
^M at the end of every line in vim
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answered Dec 5 '11 at 12:05
sarnoldsarnold
94.7k1919 gold badges157157 silver badges210210 bronze badges
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How to kill all processes with a given partial name? [closed]
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This will throw an error if no process matching the name is found. You may want to use ps -ef | grep myProcessName | grep -v grep | awk '{print $2}' | xargs -r kill -9 to have xargs not execute the command if no arguments are given.
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Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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Memoization in Haskell?
Any pointers on how to solve efficiently the following function in Haskell, for large numbers (n > 108)
8 Answers
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Codeigniter - no input file specified
I am a beginner in Codeigniter and I saw a CI tutorial and was just trying to do a simple thing. I downloaded the CI and added this file to controller directory, but it won't work.
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