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How can I add a column that doesn't allow nulls in a Postgresql database?

...lue for existing rows. j_random_hacker's answer allows for that, making it more robust. – jpmc26 May 5 '16 at 23:51 ...
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How do I get the base URL with PHP?

...ttp://" . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']; ?> Learn more about the $_SERVER predefined variable. If you plan on using https, you can use this: function url(){ return sprintf( "%s://%s%s", isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https' : 'h...
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Wait for page load in Selenium

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Can't connect to local MySQL server through socket '/tmp/mysql.sock

...ysql -h localhost. If none of this helps, then you probably need to post more details about your MySQL config, exactly how you're instantiating the connection, etc. share | improve this answer ...
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Node.js: what is ENOSPC error and how to solve?

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Generate pdf from HTML in div using Javascript

... I'm going to guess the element handler can be a class? That would be much more semantically in line with HTML5 standards. An ID not only carries too much speificity weight in CSS, it also has to be unique. – Imperative Jan 3 '15 at 7:28 ...
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JavaScript code to stop form submission

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Abstract functions in Swift Language

...found out that this method basically is equal to fatalError() but it's the more proper way (Better documentation, introduced in Swift along with precondition(), assert() and assertionFailure(), read here) – Kametrixom May 15 '15 at 19:59 ...
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How to create SBT project with IntelliJ Idea?

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best way to preserve numpy arrays on disk

...e achieved fairly well using csv (which is also very portable of course). More details and the code are available at the github repo. share | improve this answer | follow ...