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PHP Function with Optional Parameters

I've written a PHP function that can accepts 10 parameters, but only 2 are required. Sometimes, I want to define the eighth parameter, but I don't want to type in empty strings for each of the parameters until I reach the eighth. ...
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Getting Django admin url for an object

Before Django 1.0 there was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a> ...
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jQuery set checkbox checked

I already tried all the possible ways, but I still didn't get it working. I have a modal window with a checkbox I want that when the modal opens, the checkbox check or uncheck should be based on a database value. (I have that already working with others form fields.) I started trying to get it c...
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Difference between objectForKey and valueForKey?

What is the difference between objectForKey and valueForKey ? I looked both up in the documentation and they seemed the same to me. ...
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Multiple constructors in python? [duplicate]

...not possible to define multiple constructors in Python, with different signatures? If not, what's the general way of getting around it? ...
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How to find if directory exists in Python

In the os module in Python, is there a way to find if a directory exists, something like: 13 Answers ...
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Find the min/max element of an Array in JavaScript

How can I easily obtain the min or max element of a JavaScript Array? 51 Answers 51 ...
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How to check if a table contains an element in Lua?

Is there a method for checking if a table contains a value ? I have my own (naive) function, but I was wondering if something "official" exists for that ? Or something more efficient... ...
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How to convert a java.util.List to a Scala list

I have this Scala method with below error. Cannot convert into a Scala list. 5 Answers ...
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How to calculate moving average without keeping the count and data-total?

I am trying to find a way to calculate a moving cumulative average without storing the count and total data that is received so far. ...