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How to find where a method is defined at runtime?

... This is really late, but here's how you can find where a method is defined: http://gist.github.com/76951 # How to find out where a method comes from. # Learned this from Dave Thomas while teaching Advanced Ruby Studio # Makes the cas...
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Which is better in python, del or delattr?

... (foo) 6 LOAD_CONST 1 ('bar') 9 CALL_FUNCTION 2 12 POP_TOP This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine). Like the others have said, you should really...
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How to document class attributes in Python? [closed]

...y has a specific meaning in python. What you're talking about is what we call class attributes. Since they are always acted upon through their class, I find that it makes sense to document them within the class' doc string. Something like this: class Albatross(object): """A bird with a fligh...
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Recommended way of making React component/div draggable

...React.createClass({ getDefaultProps: function () { return { // allow the initial position to be passed in as a prop initialPos: {x: 0, y: 0} } }, getInitialState: function () { return { pos: this.props.initialPos, dragging: false, rel: null // position...
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How should I call 3 functions in order to execute them one after the other?

If I need call this functions one after other, 11 Answers 11 ...
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What is the 'new' keyword in JavaScript?

...n's external, accessible, prototype object (every function object automatically has a prototype property). It makes the this variable point to the newly created object. It executes the constructor function, using the newly created object whenever this is mentioned. It returns the newly created objec...
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What does __FILE__ mean in Ruby?

I see this all the time in Ruby: 4 Answers 4 ...
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How can I get the current page's full URL on a Windows/IIS server?

I moved a WordPress installation to a new folder on a Windows/ IIS server. I'm setting up 301 redirects in PHP, but it doesn't seem to be working. My post URLs have the following format: ...
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How can I take more control in ASP.NET?

...l give you programmatic access to the controls in their entirety including all attributes on the controls. Also, only the text box values will appear in the URL upon submission so your GET request URL will be more "meaningful" <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JonSkeetFor...
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Redirecting stdout to “nothing” in python

... A nice way to do this is to create a small context processor that you wrap your prints in. You then just use is in a with-statement to silence all output. Python 2: import os import sys from contextlib import contextmanager @contextmanager def silence_stdout(): ...