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How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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How do you redirect HTTPS to HTTP?
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This has not been tested but I think this should work using mod_rewrite
RewriteEngine On
RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}
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How to get the difference between two arrays in JavaScript?
... } else {
a[a2[i]] = true;
}
}
for (var k in a) {
diff.push(k);
}
return diff;
}
console.log(arr_diff(['a', 'b'], ['a', 'b', 'c', 'd']));
console.log(arr_diff("abcd", "abcde"));
console.log(arr_diff("zxc", "zxc"));
A better solutio...
How to solve Permission denied (publickey) error when using Git?
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If the user has not generated a ssh public/private key pair set before
This info is working on theChaw but can be applied to all other git repositories which support SSH pubkey authentications. (See gitolite, gitlab or github for example.)
First start by setting up your ...
Convert a date format in PHP
...a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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What's the scope of a variable initialized in an if statement?
...nnermost function, class, or module in which they're assigned. Control blocks like if and while blocks don't count, so a variable assigned inside an if is still scoped to a function, class, or module.
(Implicit functions defined by a generator expression or list/set/dict comprehension do count, as ...
Concatenating two one-dimensional NumPy arrays
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Winston EwertWinston Ewert
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IndentationError: unindent does not match any outer indentation level
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isherwood
42.9k1414 gold badges9494 silver badges122122 bronze badges
answered Jan 29 '09 at 16:37
Kevin TigheKevin...
Can I use a :before or :after pseudo-element on an input field?
...se the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
19 A...
How to make a HTTP request using Ruby on Rails?
I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.
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