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Groovy: what's the purpose of “def” in “def x = 0”?
In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
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“Debug only” code that should run only when “turned on”
I would like to add some C# "debug only" code that only runs if the person debugging requests it. In C++, I used to do something similar to the following:
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Do I set properties to nil in dealloc when using ARC?
I am trying to learn Automatic Reference Counting in iOS 5. Now the first part of this question should be easy:
2 Answers
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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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Control the size of points in an R scatterplot?
In R, the plot() function takes a pch argument that controls the appearance of the points in the plot. I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there somethin...
Why does running the Flask dev server run itself twice?
I'm using Flask for developing a website and while in development I run flask using the following file:
6 Answers
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Can I arrange repositories into folders on Github?
I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stu...
AngularJS - Access to child scope
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Scopes in AngularJS use prototypal inheritance, when looking up a property in a child scope the interpreter will look up the prototype chain starting from the child and continue to the parents until it finds the property, not the other wa...
Ruby: kind_of? vs. instance_of? vs. is_a?
What is the difference? When should I use which? Why are there so many of them?
4 Answers
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Purpose of #!/usr/bin/python3
I have noticed this in a couple of scripting languages, but in this example, I am using python. In many tutorials, they would start with #!/usr/bin/python3 on the first line. I don't understand why we have this.
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