Archive for December, 2007

CSS Primer on Centering

Tuesday, December 11th, 2007

Here’s a handy primer on centering things using CSS.

Remember, the <center> tag is sooo 20th century.

Horizontal centering isn’t very difficult, though vertical centering could use a little better support.

Via: CSS: centering things

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Building DBD::mysql under MacOS X

Friday, December 7th, 2007

MySQL Logo

There’s a glitch when you try to build Perl’s DBD::mysql under MacOS X.

When I tried to build it, I got a lot of errors that looked like this:

t/40numrows............install_driver(mysql) failed: Can't load '/Users/admin/src/CPAN/build/DBD-mysql-4.005-C3W6F2/blib/arch/auto/DBD/mysql/mysql.bundle' for module DBD::mysql: dlopen(/Users/admin/src/CPAN/build/DBD-mysql-4.005-C3W6F2/blib/arch/auto/DBD/mysql/mysql.bundle, 2): Library not loaded: /usr/local/mysql/lib/mysql/libmysqlclient.15.dylib
  Referenced from: /Users/admin/src/CPAN/build/DBD-mysql-4.005-C3W6F2/blib/arch/auto/DBD/mysql/mysql.bundle
  Reason: image not found at /System/Library/Perl/5.8.8/darwin-thread-multi-2level/DynaLoader.pm line 230.

It turns out that DBD::mysql was looking for the dynamic library for MySQL in the wrong place. It invokes mysql_config in order to find the location of the libraries, and mysql_config reports /usr/local/mysql/lib/mysql rather than /usr/local/mysql/lib

The easy way to fix it as to do this is to do this command from a Terminal window:

sudo ln -s /usr/local/mysql/lib/ /usr/local/mysql/lib/mysql

The drawback to this solution is that if you install an update to MySQL, you’ll need to remake this link.

You might also either modify mysql_config (it’s just a script, so it’s easy to edit), or to modify DBD::mysql, but the fix I’ve suggested is the simplest.

The real solution is to fix the MySQL distribution for MacOS X to have the correct path in it.

(more…)

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