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What is the difference between a field and a property?

...ings that use your class. public class MyClass { // this is a field. It is private to your class and stores the actual data. private string _myField; // this is a property. When accessed it uses the underlying field, // but only exposes the contract, which will not be affected by ...
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Is there an expression for an infinite generator?

Is there a straight-forward generator expression that can yield infinite elements? 7 Answers ...
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How do I list all files of a directory?

...n a directory - files and directories. If you want just files, you could either filter this down using os.path: from os import listdir from os.path import isfile, join onlyfiles = [f for f in listdir(mypath) if isfile(join(mypath, f))] or you could use os.walk() which will yield two lists for ea...
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How do I execute a string containing Python code in Python?

...yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, to see if these can better meet your needs. ...
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Access multiple elements of list knowing their index

... index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is: ...
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How to split a string literal across multiple lines in C / Objective-C?

I have a pretty long sqlite query: 9 Answers 9 ...
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Dynamically replace the contents of a C# method?

What I want to do is change how a C# method executes when it is called, so that I can write something like this: 9 Answers ...
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Why can't I use a list as a dict key in python?

I'm a bit confused about what can/can't be used as a key for a python dict. 11 Answers ...
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Proper way to return JSON using node or Express

...ard reason, you could use something like JSON.stringify(anObject, null, 3) It's important that you set the Content-Type header to application/json, too. var http = require('http'); var app = http.createServer(function(req,res){ res.setHeader('Content-Type', 'application/json'); res.end(JSON...
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python: how to identify if a variable is an array or a scalar

...n that takes the argument NBins . I want to make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector? ...