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How to determine if one array contains all elements of another array
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This only works for arrays that are sets, not for arrays with duplicates
– Chris
Nov 25 '12 at 17:58
3
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Is it possible to run one logrotate check manually?
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This is well and good, but you lose any global settings that you have in the "/etc/logrotate.conf". I wrote a script to merge the global and specific logrotate files together then use it so as to solve this problem. (see my answer).
– anthony
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How to change the output color of echo in Linux
...scussed later.
Direct
Call tput as part of a sequence of commands:
tput setaf 1; echo "this is red text"
Use ; instead of && so if tput errors the text still shows.
Shell variables
Another option is to use shell variables:
red=`tput setaf 1`
green=`tput setaf 2`
reset=`tput sgr0`
ech...
How do I revert my changes to a git submodule?
...nto the submodule's directory, then do a git reset --hard to reset all modified files to their last committed state. Be aware that this will discard all non-committed changes.
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Does Python support multithreading? Can it speed up execution time?
...andle network events reasonably efficiently in a multi-threaded multi-core setup.
What many server deployments then do, is run more than one Python process, to let the OS handle the scheduling between processes to utilize your CPU cores to the max. You can also use the multiprocessing library to ha...
How to swap keys and values in a hash
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Personally I avoid setting the hash's default value behaviour. I worry that whatever code I give this hash to wouldn't be expecting a hash to behave in that way, and it could cause some insidious error later. I can't really justify this concern...
String.Join method that ignores empty strings?
...ARE @in_SearchTerm3 nvarchar(100)
DECLARE @in_SearchTerm4 nvarchar(100)
SET @in_SearchTerm1 = N'a'
SET @in_SearchTerm2 = N''
SET @in_SearchTerm3 = N'c'
SET @in_SearchTerm4 = N''
SELECT
COALESCE
(
STUFF
(
(
SELECT ' / ' + RPT_SearchTerm AS [tex...
How to sleep for five seconds in a batch file/cmd [duplicate]
...rgument to hide the list of valid choices and only have 1 character in the set of choices so it will be less likely that the user will type a valid choice before the timeout expires.
Below is the help text on Windows Vista. I think it is the same on XP, but look at the help text on an XP computer ...
Differences between Agda and Idris
.... Agda has universe polymorphism, Idris has cumulativity (and you can have Set : Set in both if you find this too restrictive and don't mind that your proofs might be unsound).
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Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
10 Answers
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