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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...I went ahead and created it in the first place :). Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain. In term...
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Nginx 403 error: directory index of [folder] is forbidden

I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx. 19 Answers ...
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Using a .php file to generate a MySQL dump

... can be done by the command itself. That external command will : be a call to mysqldump, with the right parameters, and redirect the output to a file. For example : mysqldump --user=... --password=... --host=... DB_NAME > /path/to/output/file.sql Which means your PHP code would look li...
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Get PHP class property by string

How do I get a property in a PHP based on a string? I'll call it magic . So what is magic ? 12 Answers ...
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JavaScript equivalent of PHP's in_array()

.../ alerts 'ph' was found // alerts 'o' was found Note that I intentionally did not extend the Array prototype as it is generally a bad idea to do so. share | improve this answer | ...
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How to implode array with key and value without foreach in PHP

...is what the Author was asking for, but it should be noted that it is critically slower and that if you are storing this information via a database it would be vastly superior to both a loop and this to just use json_encode. Exhibit A: willem.stuursma.name/2010/11/22/… – Case...
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Convert one date format into another in PHP

...he y-m-d-h-i-s format. PHP 5.3 and up Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with. PHP 5.2 and lower You will have to parse the elements (year, month, day, hour, minute, second) manually using substr() and...
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Is PHP's count() function O(1) or O(n) for arrays?

Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? ...
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Do checkbox inputs only post data if they're checked?

... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form. The default value is always "on", this should be consistent across browse...
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PHP Get all subdirectories of a given directory

How can I get all sub-directories of a given directory without files, . (current directory) or .. (parent directory) and then use each directory in a function? ...