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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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Can I convert a C# string value to an escaped string literal
In C#, can I convert a string value to a string literal, the way I would see it in code? I would like to replace tabs, newlines, etc. with their escape sequences.
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How to remove the last character from a string?
I want to remove the last character from a string. I've tried doing this:
32 Answers
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When should one use a 'www' subdomain?
...aterials, would they immediately recognise it as a web address without the extra ‘www’ or ‘http://’? In Japan, for example, you would get funny looks for choosing the non-www version.
Whichever you choose, though, be consistent. Make both www and non-www versions accessible, but make one of...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account
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Create a string with n characters
Is there a way in java to create a string with a specified number of a specified character? In my case, I would need to create a string with 10 spaces. My current code is:
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How to convert byte array to string [duplicate]
I created a byte array with two strings. How do I convert a byte array to string?
4 Answers
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HTTP URL Address Encoding in Java
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"/booksearch/first book.pdf",
null);
URL url = uri.toURL();
//or String request = uri.toString();
(the single-argument constructor of URI does NOT escape illegal characters)
Only illegal characters get escaped by above code - it does NOT escape non-ASCII characters (see fatih's comm...
How to unescape HTML character entities in Java?
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I have used the Apache Commons StringEscapeUtils.unescapeHtml4() for this:
Unescapes a string containing entity
escapes to a string containing the
actual Unicode characters
corresponding to the escapes. Supports
HTML 4.0 entities.
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How do I remove all specific characters at the end of a string in PHP?
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$output = rtrim($string, '.');
(Reference: rtrim on PHP.net)
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