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Cannot ping AWS EC2 instance
...0.15 (10.0.0.15): 56 data bytes
64 bytes from 10.0.0.14: icmp_seq=1 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=2 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=3 ttl=64 time=10.6 ms
64 bytes from 10.0.0.14: icmp_seq=4 ttl=64 time=40.6 ms
64 bytes from 10.0.0.14: icmp_seq=5 ttl=64 tim...
jQuery map vs. each
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the unfortunately named each function... Not the first time, and not the last that I'll get tripped up on which one someone is asking about
– Jeremy B.
Apr 14 '09 at 20:09
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...an It does not literally mean "double colon"; it literally means "two times, double dots"
– Sapphire_Brick
Dec 10 '19 at 3:26
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What is a regular expression for a MAC Address?
...{5}([a-zA-z0-9]{2}))|(([a-zA-z0-9]{2}:){5}([a-zA-z0-9]{2}))) So that every time you can choose ':' or '-' for the whole MAC address.
– PyFox
Apr 5 '19 at 9:57
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How does origin/HEAD get set?
..., please feel free to simply edit it, though - it'll certainly save people time to read a brief summary of how things actually work, rather than having to sort through what was true two years ago and what's true now.
– Cascabel
Aug 21 '14 at 18:35
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Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
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ls command: how can I get a recursive full-path listing, one line per file?
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ls -ld $(find .)
if you want to sort your output by modification time:
ls -ltd $(find .)
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Preserve line breaks in angularjs
...t; - the quick way mostly for debug some stuff (if you don't want to waste time on styling)
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Logging in Scala
...lowing the end user to plug in the desired logging framework at deployment time.
The ability to change underlying log library at deployment time brings in unique characteristic to the entire slf4j family of loggers, which you need to be aware of:
classpath as configuration approach. The way slf4...
SQL query to select dates between two dates
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SQL Server defaults a date without a time to 00:00:00. So won't this query return anything from 2011/02/25 and 2011/02/26 at midnight?
– Matt
Aug 21 '12 at 14:27
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