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How are Python's Built In Dictionaries Implemented?

...k.a closed hashing should, as noted in Wikipedia, not be confused with its opposite open hashing! Open addressing means that the dict uses array slots, and when an object's primary position is taken in the dict, the object's spot is sought at a different index in the same array, using a "perturbati...
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Redirecting from HTTP to HTTPS with PHP

... This is a good way to do it: <?php if (!(isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1) || isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) { $...
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Increasing nesting function calls limit

There is one very bad limit in PHP: if you call some function a1() that calls a2(), that calls a3... so when a99() will call a100() you will see ...
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How do I deep copy a DateTime object?

... I haven't tested it actually, but it is mentioned at php.net that this is only aviable for PHP 5.3 and greater. – hugo der hungrige Feb 1 '13 at 1:02 ...
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What's the difference between Require.js and simply creating a element in the DOM? [closed]

...eb application may load faster, invoking functionality and features on the site would be slower since it would involve waiting for resources to load before that action could be performed. If a Web application is built as a single-page app, then consider that people won't actually be reloading the p...
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Django Admin - change header 'Django administration' text

...elow. Original answer from 2011: You need to create your own admin base_site.html template to do this. The easiest way is to create the file: /<projectdir>/templates/admin/base_site.html This should be a copy of the original base_site.html, except putting in your custom title: {% block ...
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Heavy usage of Python at Google [closed]

... Cursed site redesign! Well he's got an alternate link, so there ya go. – Wayne Werner Jul 22 '10 at 20:18 11 ...
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cleanest way to skip a foreach if array is empty [duplicate]

...oid nesting my code with an unnecessary if statement. If $items is empty php throws an error. 11 Answers ...
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PHP DateTime::modify adding and subtracting months

... date 2010-02-31. The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February 1st. You then end up at March 3rd. How to get what you want: To get what you want is by: manually checking the next month. Then add the number of days n...
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How to get an array of specific “key” in multidimensional array without looping

... Since php 5.5, you can use array_column: $ids = array_column($users, 'id'); This is the preferred option on any modern project. However, if you must support php > 5.5, the following alternatives exist: Since php 5.3, you can...