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Writing a compiler in its own language
Intuitively, it would seems that a compiler for language Foo cannot itself be written in Foo. More specifically, the first compiler for language Foo cannot be written in Foo, but any subsequent compiler could be written for Foo .
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What is the difference between functional and non functional requirement? [closed]
What is the difference between functional and non-functional requirements in the context of designing a software system?
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What is the global interpreter lock (GIL) in CPython?
What is a global interpreter lock and why is it an issue?
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What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
Why can I throw null in Java? [duplicate]
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7 Answers
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Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
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How to split a string in Haskell?
Is there a standard way to split a string in Haskell?
13 Answers
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JavaScript hashmap equivalent
As made clear in update 3 on this answer , this notation:
17 Answers
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Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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Why can't variable names start with numbers?
I was working with a new C++ developer a while back when he asked the question: "Why can't variable names start with numbers?"
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