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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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vs vs for inline and block code snippets

...nly I found way to show raw HTML code (for debugging purpose) in WordPress/PHP templates... – sphakka Apr 2 '17 at 9:37 ...
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Clicking the text to select corresponding radio button

I'm creating a quiz web application using PHP. Each question is comprised of a separate <label> and has 4 possible choices, using radio buttons to allow the user to select his/her answer. The current HTML for a single question looks like: ...
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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 ...
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ES6 class variable alternatives

...ilar to the pattern of having $ at the beginning of variables that so many PHP programmers are used to. Just that little implication that "yeah, it's not the same exact thing...but look...it's still a variable because that is a way variables are done in some languages!" helps. –...
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Is it possible to force Excel recognize UTF-8 CSV files automatically?

... that's solved my issue too , in php it looks like this: $utf8_with_bom = chr(239) . chr(187) . chr(191) . $csvText; – Abdullah Dec 31 '13 at 7:09 ...
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Amazon S3 direct file upload from client browser - private key disclosure

... issue at GitHub please take a look on this Thanks. github.com/aws/aws-sdk-php/issues/1332 – usama Jul 18 '17 at 20:48  |  show 3 more comment...
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Aspect Oriented Programming vs. Object-Oriented Programming

...o start with Aspect Oriented Programming: http://www.jaftalks.com/wp/index.php/introduction-to-aspect-oriented-programming/ share | improve this answer | follow ...
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Benefits of EBS vs. instance-store (and vice-versa) [closed]

...provider of free AMIs for popular applications and development frameworks (PHP, Joomla, Drupal, you get the idea). I can tell you that EBS-backed AMIs are significantly more popular than S3-backed. In general I think s3-backed instances are used for distributed, time-limited jobs (for example, large...