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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
... a Micro instance running.
Run dd if=/dev/zero of=/swapfile bs=1M count=1024
Run mkswap /swapfile
Run swapon /swapfile
Add this line /swapfile swap swap defaults 0 0 to /etc/fstab
Step 4 is needed if you would like to automatically enable swap file after each reboot.
Some useful command related to...
Python: finding an element in a list [duplicate]
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answered Sep 24 '10 at 9:35
ThomasHThomasH
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Convert data.frame column to a vector?
...etry column is included.
– Matt
May 24 '18 at 15:49
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Where IN clause in LINQ [duplicate]
...ot nested)
– nawfal
Feb 4 '14 at 17:24
1
There's only mileage in writing the extension class if y...
vs.
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answered Jul 24 '14 at 17:18
ejectamentaejectamenta
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What does the @ symbol before a variable name mean in C#? [duplicate]
...lass
– John Sheehan
Jan 9 '09 at 20:24
82
Just when you think you know everything there is to kno...
How to schedule a periodic task in Java?
...he TimeUnit applies to both the initialDelay and the period. Running every 24 hours will end up being thrown off when DST kicks in, but a TimeUnit of DAYS doesn't let you specify a fine-grained initialDelay. (I think the internal ScheduledExecutorService implementation converts DAYS to nanoseconds a...
Flatten list of lists [duplicate]
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edited Aug 28 '14 at 14:24
answered Jun 29 '12 at 15:36
P...
How to convert C# nullable int to int
...t a correct answer.
– ventiseis
Oct 24 '15 at 21:41
6
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Set selected item of spinner programmatically
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edited Jan 24 '16 at 22:13
John Slegers
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