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Why XML-Serializable class need a parameterless constructor
...me to accept that public parameterless constructors are great because they allow you to use "new()" with generics and the new initialization syntax. For parametered constructors use static factory methods or the builder pattern implementation.
– cfeduke
Nov 6 ...
How to vertically align text inside a flexbox?
I would like to use flexbox to vertically align some content inside an <li> but not having great success.
10 Answer...
Why is std::map implemented as a red-black tree?
...1) or O(log n) because the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferior to red-black trees.
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NUnit isn't running Visual Studio 2010 code
... VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution without any errors. I can now use the NUnit GUI app to run tests built for .NET 4.0. I've not d...
Private virtual method in C++
...d, without further exposing the virtual functions directly by making them callable by derived classes (as would be possible if the functions were just protected). The point is that virtual functions exist to allow customization; unless they also need to be invoked directly from within derived classe...
How to use concerns in Rails 4
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So I found it out by myself. It is actually a pretty simple but powerful concept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them...
Why is '+' not understood by Python sets?
...t int/long) define this operation across a sequence of boolean values and call it "bitwise or". In fact this operation is so similar to the set union that binary integers are sometimes also called "Bit sets", where the elements in the set are taken to be the natural numbers.
Because int already de...
The new syntax “= default” in C++11
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A defaulted default constructor is specifically defined as being the same as a user-defined default constructor with no initialization list and an empty compound statement.
§12.1/6 [class.ctor] A default constructor that is defaulted and not defined as deleted is im...
Windows path in Python
.../'. However in the long run the use of os.path is more convenient. It also allows you to use mydir and myfile as variables that you can easily modify.
– joaquin
Jun 1 '10 at 22:48
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How does the “this” keyword work?
...ains in JavaScript.
Once you start getting used to this, the rules are actually pretty simple. The ECMAScript 5.1 Standard defines this:
§11.1.1 The this keyword
The this keyword evaluates to the value of the ThisBinding of the current execution context
ThisBinding is something that the JavaScrip...