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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...h 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 t...
Add a tooltip to a div
...er;"
– RayLoveless
Mar 19 '14 at 15:07
2
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Accessing inactive union member and undefined behavior?
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+100
The confusion is that C explicitly permits type-punning through a union, whereas C++ (c++11) has no such permission.
c11
6.5...
Input with display:block is not a block, why not?
...ely unknown box-sizing:border-box style from CSS 3. This allows a 'true' 100% width on any element regardless of that elements' padding and/or borders.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta ht...
How to sort an array based on the length of each element?
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edited Jul 20 '18 at 23:43
answered May 17 '12 at 6:24
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Benchmarking small code samples in C#, can this implementation be improved?
...endingFinalizers();
GC.Collect();
watch.Start();
for (int i = 0; i < iterations; i++) {
func();
}
watch.Stop();
Console.Write(description);
Console.WriteLine(" Time Elapsed {0} ms", watch.Elapsed.TotalMilliseconds);
return watch.Elapsed.TotalMilliseconds;
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Contains case insensitive
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answered Jan 24 '12 at 20:38
Rob WRob W
304k6868 gold badges730730 silver badges629629 bronze badges
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Flatten list of lists [duplicate]
... will un-nest each list stored in your list of lists!
list_of_lists = [[180.0], [173.8], [164.2], [156.5], [147.2], [138.2]]
flattened = [val for sublist in list_of_lists for val in sublist]
Nested list comprehensions evaluate in the same manner that they unwrap (i.e. add newline and tab for each...
Does Eclipse have line-wrap
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50
As mentioned in the post by VonC on this same page. Eclipse now has this capability as of 06/201...
node.js hash string?
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230
Take a look at crypto.createHash(algorithm)
var filename = process.argv[2];
var crypto = requir...