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Why are there two kinds of functions in Elixir?
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Just to clarify the naming, they are both functions. One is a named function and the other is an anonymous one. But you are right, they work somewhat differently and I am going to illustrate why they work like that.
Let's start with the second, fn. fn is a closure, similar to a la...
Is it safe to push_back an element from the same vector?
...reference to the first integer in the vector will no longer be valid. So this isn't safe?
9 Answers
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How can we match a^n b^n with Java regex?
One of the archetypal non- regular languages is:
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Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
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tl;dr: This is all because of security reasons.
OAuth 2.0 wanted to meet these two criteria:
You want to allow developers to use non-HTTPS redirect URI because not all developers have an SSL enabled server and if they do it's not a...
Java naming convention for static final variables [duplicate]
there is a rule which says:
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What is the difference between range and xrange functions in Python 2.X?
Apparently xrange is faster but I have no idea why it's faster (and no proof besides the anecdotal so far that it is faster) or what besides that is different about
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What is a raw type and why shouldn't we use it?
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What is a raw type?
The Java Language Specification defines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without ...
Best way to test for a variable's existence in PHP; isset() is clearly broken
From the isset() docs :
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What is the difference between localStorage, sessionStorage, session and cookies?
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This is an extremely broad scope question, and a lot of the pros/cons will be contextual to the situation.
In all cases, these storage mechanisms will be specific to an individual browser on an individual computer/device. Any ...
C++ Singleton design pattern
...plementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real life example):
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