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MySQL Great Circle Distance (Haversine formula)

...ude, and then asks for only rows where the distance value is less than 25, orders the whole query by distance, and limits it to 20 results. To search by kilometers instead of miles, replace 3959 with 6371. SELECT id, ( 3959 * acos( cos( radians(37) ) * cos( radians( lat ) ) * cos( radians( lng )...
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A non well formed numeric value encountered

I have a form that passes two dates (start and finish) to a PHP script that will add those to a DB. I am having problems validating this. I keep getting the following errors ...
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How Drupal works? [closed]

... Drupal can be confusing on this front, partially because it has a relatively deep function stack. Although it's procedural PHP it's purely event/listener driven in its architecture, and there's no simple "flow" in the main PHP script for you to look though. I recently ...
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How to prevent a jQuery Ajax request from caching in Internet Explorer?

... You can disable caching globally using $.ajaxSetup(), for example: $.ajaxSetup({ cache: false }); This appends a timestamp to the querystring when making the request. To turn cache off for a particular $.ajax() call, set cache: false on it locally, ...
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

... Since PHP/5.4.0, there is an option called JSON_UNESCAPED_UNICODE. Check it out: https://php.net/function.json-encode Therefore you should try: json_encode( $text, JSON_UNESCAPED_UNICODE ); ...
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Saving timestamp in mysql table using php

...If so mysql expects the format to be Year-month-day Hour:minute:second. In order to save the timestamp you will have to convert the field to numeric using a query like alter table <table_name> change <field> <field> bigint unsigned If you are using the current time you can use n...
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How to remove the first character of string in PHP?

... Note that lrtim will remove all :::::. Sometimes this is not desired behavior. – CoR Nov 20 '13 at 14:02 5 ...
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Get img thumbnails from Vimeo?

...videos> <video> [skipped] <thumbnail_small>http://ts.vimeo.com.s3.amazonaws.com/235/662/23566238_100.jpg</thumbnail_small> <thumbnail_medium>http://ts.vimeo.com.s3.amazonaws.com/235/662/23566238_200.jpg</thumbnail_medium> &lt...
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Regular Expression for alphanumeric and underscores

..., which the range based regexes won't do since they rely on the underlying ordering of the ASCII characters which may be different from other character sets and will therefore exclude some non-ASCII characters (letters such as œ) which you might want to capture. ...
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Why doesn't Git ignore my specified file?

...ipped. Git does this since the file is already part of the repository. In order to actually ignore the file, you have to untrack it and remove it from the repository. You can do that by using git rm --cached sites/default/settings.php. This removes the file from the repository without physically de...