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How to call function of one php file from another php file and pass parameters to it?

I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this? ...
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Big-O summary for Java Collections Framework implementations? [closed]

I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is. ...
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Add querystring parameters to link_to

I'm having difficultly adding querystring parameters to link_to UrlHelper. I have an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly. ...
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Java: difference between strong/soft/weak/phantom reference

I have read this article about the topic, but I don't really understand it. Please give me some advice along with examples when describing the concepts. ...
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How to define two fields “unique” as couple

Is there a way to define a couple of fields as unique in Django? 2 Answers 2 ...
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JavaScript: client-side vs. server-side validation

Which is better to do client side or server side validation? 13 Answers 13 ...
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LD_LIBRARY_PATH vs LIBRARY_PATH

I'm building a simple C++ program and I want to temporarily substitute a system supplied shared library with a more recent version of it, for development and testing. ...
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Heroku free account limited?

Currently, I am running wordpress as my blog engine on free hosting, but I'm planning to move to use git-based blog engine(Jekyll, Toto) on Ruby platform. Then I see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests? ...
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How to rename a file using Python

I want to change a.txt to b.kml . 11 Answers 11 ...
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What is the difference between a “line feed” and a “carriage return”?

If there are these two keywords then they must have their own meaning. So I want to know what makes them different and what is their code? ...