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How to declare a global variable in php?

I have code something like this: 10 Answers 10 ...
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General suggestions for debugging in R

I get an error when using an R function that I wrote: 13 Answers 13 ...
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Is there a typical state machine implementation pattern?

We need to implement a simple state machine in C . Is a standard switch statement the best way to go? We have a current state (state) and a trigger for the transition. ...
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Any way to replace characters on Swift String?

I am looking for a way to replace characters in a Swift String . 21 Answers 21 ...
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Haskell: How is pronounced? [closed]

How do you pronounce these functions in the Applicative typeclass: 4 Answers 4 ...
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Is div inside list allowed? [duplicate]

I know that DIV inside LI isn't allowed, but I've seen it lately on many "big" websites like Smashing Magazine , Web Designer Wall ... etc. ...
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Prevent a webpage from navigating away using JavaScript

How to prevent a webpage from navigating away using JavaScript? 9 Answers 9 ...
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Best programming based games [closed]

Back when I was at school, I remember tinkering with a Mac game where you programmed little robots in a sort of pseudo-assembler language which could then battle each other. They could move themselves around the arena, look for opponents in different directions, and fire some sort of weapon. Pretty ...
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Rails select helper - Default selected value, how?

Here is a piece of code I'm using now: 15 Answers 15 ...
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How to read attribute value from XmlNode in C#?

Suppose I have a XmlNode and I want to get the value of an attribute named "Name". How can I do that? 8 Answers ...