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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...
How to disable / enable dialog negative positive buttons?
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210
Edit for complete solution...
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivi...
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;
...
How to delete or add column in SQLITE?
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360
ALTER TABLE SQLite
SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command ...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...eter1 = 12;
float parameter2 = 144.1;
// Delay execution of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documen...
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...
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...
How to get the last value of an ArrayList
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20 Answers
20
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How do you create a Swift Date object?
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10 Answers
10
Active
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