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Referring to a Column Alias in a WHERE Clause

... Normally you can't refer to field aliases in the WHERE clause. (Think of it as the entire SELECT including aliases, is applied after the WHERE clause.) But, as mentioned in other answers, you can force SQL to treat SELECT to be handled before the WHERE clause. This is usually done with parenthesi...
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'

... The count method of NSArray returns an NSUInteger, and on the 64-bit OS X platform NSUInteger is defined as unsigned long, and unsigned long is a 64-bit unsigned integer. int is a 32-bit integer. So int is a "smaller" datatype than NSUInteger, therefore the compiler warning. See also N...
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How do I hide an element when printing a web page?

...ge to print the webpage. However, the link is also visible in the printout itself. 10 Answers ...
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Problems with DeploymentItem attribute

I'm currently maintaining an "old" system written in C#.net, removing some obsolete features and doing some refactoring. Thanks god, the previous guy wrote some unit tests (MSTests). I quite comfortable with JUnit tests, but didn't do yet much with MSTests. ...
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How do you create a read-only user in PostgreSQL?

...ct objects (tables) created by the user that issued this command: although it can also be set on any role that the issuing user is a member of. However, you don't pick up default privileges for all roles you're a member of when creating new objects... so there's still some faffing around. If you ado...
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How to name variables on the fly?

Is it possible to create new variable names on the fly? 6 Answers 6 ...
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What are the underlying data structures used for Redis?

I'm trying to answer two questions in a definitive list: 3 Answers 3 ...
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Call to undefined method mysqli_stmt::get_result

...tes for this method: http://php.net/manual/en/mysqli-stmt.get-result.php It requires the mysqlnd driver... if it isn't installed on your webspace you will have to work with BIND_RESULT & FETCH! https://secure.php.net/manual/en/mysqli-stmt.bind-result.php https://secure.php.net/manual/en/mysq...
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How do I create a folder in a GitHub repository?

I want to create a folder in a GitHub repository and want to add files in that folder. How do I achieve this? 11 Answers ...
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]

...pt before using openssl command. Let openssl know for sure where to find its .cfg file. Alternatively you could set the same variable OPENSSL_CONF in the Windows environment variables. NOTE: This can happen when using the OpenSSL binary distribution from Shining Light Productions (a compiled + i...