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Getting the location from an IP address [duplicate]
...lient-side scripting, PHP for server-side scripting, and MySQL for the database.
23 Answers
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Can enums be subclassed to add new elements?
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The reason I want to extend is because I'd like to have a base class called e.g. IntEnum, that looks like this: stackoverflow.com/questions/1681976/enum-with-int-value-in-java/…. Then all my enums could extend it...in this case just benefitting from inheritance and thus I wouldn'...
Design Patterns: Factory vs Factory method vs Abstract Factory
...family of objects that need to be of "the same kind", and have some common base classes. Here's a vaguely fruit-related example. The use case here is that we want to make sure that we don't accidentally use an OrangePicker on an Apple. As long at we get our Fruit and Picker from the same factory, th...
PostgreSQL: insert from another table
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Remove array element based on object property
I have an array of objects like so:
14 Answers
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Setting environment variables for accessing in PHP when using Apache
...Linux environment and I have a PHP Web Application that conditionally runs based on environment variables using getenv in PHP. I need to know how these environment variables need to be set for the application to work correctly. I am not sure how to set this up on Apache.
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MySQL - length() vs char_length()
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I compare two strings in Perl?
...dds the smart match operator.
The smart match operator compares two items based on their type. See the chart below for the 5.10 behavior (I believe this behavior is changing slightly in 5.10.1):
perldoc perlsyn "Smart matching in detail":
The behaviour of a smart match depends on what type of t...
jQuery date formatting
...n:
<link rel="stylesheet" href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css" />
<script src="http://code.jquery.com/jquery-1.8.3.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
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How To Check If A Key in **kwargs Exists?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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