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valueOf() vs. toString() in Javascript
In Javascript every object has a valueOf() and toString() method. I would have thought that the toString() method got invoked whenever a string conversion is called for, but apparently it is trumped by valueOf().
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How to remove an element from an array in Swift
How can I unset/remove an element from an array in Apple's new language Swift?
18 Answers
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Single Line Nested For Loops
Wrote this function in python that transposes a matrix:
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How to create byte array from HttpPostedFile
I'm using an image component that has a FromBinary method. Wondering how do I convert my input stream into a byte array
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Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
I was trying run gem install json and got the following error
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Pip freeze vs. pip list
A comparison of outputs reveals differences:
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Is it possible to set transparency in CSS3 box-shadow?
Is it possible to set transparency on the box shadow?
1 Answer
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How to read data from a zip file without having to unzip the entire file
Is there anyway in .Net (C#) to extract data from a zip file without decompressing the complete file?
6 Answers
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Get element inside element by class and ID - JavaScript
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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