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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
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The *args and **kwargs is a common idiom to allow arbitrary number of arguments to functions as described in the section more on defining functions in the Python documentation.
The *args will give you all function parameters as a tuple:
def foo(*...
Why is using “for…in” for array iteration a bad idea?
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The reason is that one construct:
var a = []; // Create a new empty array.
a[5] = 5; // Perfectly legal JavaScript that resizes the array.
for (var i = 0; i < a.length; i++) {
// Iterate over numeric indexes from 0 to...
Are C# events synchronous?
There are two parts to this question:
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How to make a flat list out of list of lists?
I wonder whether there is a shortcut to make a simple list out of list of lists in Python.
42 Answers
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What is the point of the diamond operator () in Java 7?
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The issue with
List<String> list = new LinkedList();
is that on the left hand side, you are using the generic type List<String> where on the right side you are using the raw type LinkedList. Raw types in Java effec...
One class per file rule in .NET? [closed]
I follow this rule but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es).
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Java, Simplified check if int array contains int
...hecking if an int array contains an int, although he won't tell me what it is :P.
14 Answers
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What is the string length of a GUID?
... create a varchar column in SQL that should contain N'guid' while guid is a generated GUID by .NET ( Guid.NewGuid ) - class System.Guid.
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C#: Printing all properties of an object [duplicate]
Is there a method built in to .NET that can write all the properties and such of an object to the console? Could make one using reflection of course, but I'm curious to if this already exists... especially since you can do it in Visual Studio in the Immediate Window. There you can an object name (wh...
Difference between new and override
Wondering what the difference is between the following:
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