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Mark error in form using Bootstrap

...ation pass. Your code here. } } View <div class="col-md-12"> <?php $email_error = (form_error('email') ? 'has-error has-feedback' : ''); if(!empty($email_error)){ $emailData = '<span class="help-block">'.form_error('email').'</span>'; $emailClass = $email_error; $emailI...
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How to change the docker image installation directory?

...ou would set the value of the data-root parameter to your custom path, in /etc/docker/daemon.json (according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file). With older versions, you can change Docker's storage base directory (where container and images g...
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Location of my.cnf file on macOS

...lues. To set up your own my.cnf, you could just create a file straight in /etc. OS X provides example configuration files at /usr/local/mysql/support-files/. And if you can't find them there, MySQLWorkbench can create them for you by: Opening a connection Selecting the 'Options File' under 'IN...
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How can I check if a string represents an int, without using try/except?

...o only use it for error trapping and reporting. I was going to gripe that PHP, perl, ruby, C, and even the freaking shell have simple functions for testing a string for integer-hood, but due diligence in verifying those assumptions tripped me up! Apparently this lack is a common sickness. Here'...
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Best way to select random rows PostgreSQL

... of depez outlining several more approaches: http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/ 1 "large" as in "the complete table will not fit into the memory". share | ...
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Entity Attribute Value Database vs. strict Relational Model Ecommerce

... Joomla (regular relational structure): https://forum.virtuemart.net/index.php?topic=58686.0 It seems, that Magento's EAV performance is a real showstopper. That's why I'm leaning towards a normalized structure. To overcome the lack of flexibility I'm thinking about adding some separate data dicti...
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How to set my default shell on Mac?

... 1. sudo nano /etc/shells 2. add /usr/local/bin/fish to your list of shells 3. chsh -s /usr/local/bin/fish share | improve this answ...
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Best practice to run Linux service as a different user

..., the same is true for other Linux distros which use the init scripts in /etc/init.d . 8 Answers ...
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Homebrew’s `git` not using completion

...ofile to get homebrew's bash-completion working: if [ -f $(brew --prefix)/etc/bash_completion ]; then . $(brew --prefix)/etc/bash_completion fi The above is mentioned in the caveats when you install the bash-completion formula. Note: if you are using Bash v4 or later (via brew install bash...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...dex)) ENGINE=InnoDB; Then, I filled 10 million rows in each table with a PHP script whose essence is like this: $pdo = get_pdo(); $keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ]; for ($k = 0; $k < 10; $k++) { for ($j = 0; $j ...