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Opening the Settings app from another app
... bug.
– Vincent Gable
Aug 15 '11 at 20:40
6
Not possible is rarely true in the field of programmi...
Webrick as production server vs. Thin or Unicorn?
...is in C
– Jim Deville
Jan 30 '14 at 20:49
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show 4 more comments
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What is the purpose of .PHONY in a Makefile?
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2047
By default, Makefile targets are "file targets" - they are used to build files from other fil...
Sleep until a specific time/date
...do the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(( $target_epoch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
tar...
Declaring variables inside or outside of a loop
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20 Answers
20
Active
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How do I copy folder with files to another folder in Unix/Linux? [closed]
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2020
The option you're looking for is -R.
cp -R path_to_source path_to_destination/
If destina...
How to find the sum of an array of numbers
...); // 6
Isn't that pretty? :-)
Even better! If you're using ECMAScript 2015 (aka ECMAScript 6), it can be this pretty:
const sum = [1, 2, 3].reduce((partial_sum, a) => partial_sum + a,0);
console.log(sum); // 6
sh...
ElasticSearch - Return Unique Values
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answered Jan 14 '15 at 20:18
bradvidobradvido
2,41366 gold badges2727 silver badges4343 bronze badges
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What is the difference between include and extend in Ruby?
...naged to find the article again. It is available here : aaronlasseigne.com/2012/01/17/explaining-include-and-extend and I still think the schema make the understanding much easier
– systho
Mar 9 '16 at 8:50
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Add line break within tooltips
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answered Feb 2 '12 at 19:20
Fred SeneseFred Senese
2,85411 gold badge1111 silver badges22 bronze badges
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