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Check if string matches pattern
...tch one or more digits
() group things (and also return things... but for now just think of them grouping)
+ selects 1 or more
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Generating a random & unique 8 character string using MySQL
...no idea how many you could allocate before a collision (but it would be a known and constant value).
edit: This is now an old answer, but I saw it again with time on my hands, so, from observation...
Chance of all numbers = 2.35%
Chance of all letters = 0.05%
First collision when MD5(82945) = "7...
Howto: Clean a mysql InnoDB storage engine?
...default] and ib_logfile0 and ib_logfile1 at 1G each).
Import SQLData.sql
Now, ibdata1 will still grow but only contain table metadata because each InnoDB table will exist outside of ibdata1. ibdata1 will no longer contain InnoDB data and indexes for other tables.
For example, suppose you have an ...
Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...JAX Extensions was the problem. I commented that section out since AJAX is now built into 3.5
– jdiaz
Dec 3 '09 at 3:09
1
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OpenSSL and error in reading openssl.conf file
...bles in Windows NT and How To Manage Environment Variables in Windows XP.
Now you can run openssl commands without having to pass the config location parameter.
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How to add test coverage to a private constructor?
...ay, some managers look at the coverage numbers. They don't care why. They know that 85% is better than 75%.
– ACV
Mar 9 '16 at 12:47
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Ruby on Rails: Where to define global constants?
...wered May 18 '14 at 20:36
Hank SnowHank Snow
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Determining if a number is either a multiple of ten or within a particular set of ranges
... dense, and you might be better off just listing the options explicitly.
Now that you've given a better idea of what you are doing, I'd write the second one as:
int getRow(int num) {
return (num - 1) / 10;
}
if (getRow(num) % 2 == 0) {
}
It's the same logic, but by using the ...
Why do you need ./ (dot-slash) before executable or script name to run it in bash?
... the path does not contain / (e.g. someprog): PATH is used and CWD isn't
Now, suppose that running:
someprog
would search:
relative to CWD first
relative to PATH after
Then, if you wanted to run /bin/someprog from your distro, and you did:
someprog
it would sometimes work, but others it ...
Removing input background colour for Chrome autocomplete?
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In Chrome now the user agent stylesheet shows :-internal-autofill-previewed and :-internal-autofill-selected pseudoclasses instead of -webkit-autofill... Mysteriously however, -webkit-autofill still works. I personally didn't need the...