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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...che-server/
However, with respect to your original question, yes, you can script a temporary solution that checks if MySQL service is loaded and active and will restart MySQL if it is not loaded and active.
You did not mention what operating system you are using. That would help to give you a spe...
RegEx for Javascript to allow only alphanumeric
...If you wanted to return a replaced result, then this would work:
var a = 'Test123*** TEST';
var b = a.replace(/[^a-z0-9]/gi,'');
console.log(b);
This would return:
Test123TEST
Note that the gi is necessary because it means global (not just on the first match), and case-insensitive, which is wh...
What is the use of join() in Python threading?
...example, say we have this:
def non_daemon():
time.sleep(5)
print 'Test non-daemon'
t = threading.Thread(name='non-daemon', target=non_daemon)
t.start()
Which finishes with:
print 'Test one'
t.join()
print 'Test two'
This will output:
Test one
Test non-daemon
Test two
Here the mast...
How would you implement an LRU cache in Java?
...t more ingrained in my head.
So here is the simplest version with a unit test that shows it works based on some other versions.
First the non-concurrent version:
import java.util.LinkedHashMap;
import java.util.Map;
public class LruSimpleCache<K, V> implements LruCache <K, V>{
...
What is the difference between MacVim and regular Vim?
...etter way to use MacVim's CLI executable in your shell is to move the mvim script bundled with MacVim somewhere in your $PATH and use this command:
$ mvim -v
EDIT: Yes, Terminal.app now supports 256 colors. So if you don't need iTerm2's advanced features you can safely use the default terminal em...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...uestions/3828723/why-should-we-not-use-sys-setdefaultencodingutf-8-in-a-py-script
#2.overwrite /usr/lib/python2.7/sitecustomize.py or (sitecustomize.py and PYTHONPATH=".:$PYTHONPATH" python)
#too complex
#3.control by your own (best)
#==> all string must be unicode like python3 (u...
SQL injection that gets around mysql_real_escape_string()
...mysql_real_escape_string("\xbf\x27 OR 1=1 /*");
mysql_query("SELECT * FROM test WHERE name = '$var' LIMIT 1");
In certain circumstances, that will return more than 1 row. Let's dissect what's going on here:
Selecting a Character Set
mysql_query('SET NAMES gbk');
For this attack to work, we need t...
is there a css hack for safari only NOT chrome?
...have issues getting something from here working on your site, DO CHECK THE TEST SITE VIA LINKS BELOW> If a hack is working there, but not on your site, the hack is not the issue - there is something else happening with your site, often just a CSS conflict as mentioned below, or perhaps nothing is...
What's the simplest way to test whether a number is a power of 2 in C++?
...s, so must AND to 0 bitwise.
As I was assuming unsigned numbers, the == 0 test (that I originally forgot, sorry) is adequate. You may want a > 0 test if you're using signed integers.
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Is it possible to declare git repository as dependency in android gradle?
... Make sure you put this to the main section, not to the buildscript
– Sergei Ledvanov
Aug 7 '17 at 6:20
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