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How does C compute sin() and other math functions?
...lor series. However, this is only accurate near 0, so...
When the angle is more than about 7°, a different algorithm is used, computing Taylor-series approximations for both sin(x) and cos(x), then using values from a precomputed table to refine the approximation.
When |x| > 2, none of the above...
More elegant way of declaring multiple variables at the same time
...the upside, it may help to explain the concepts of iterables and iterators more clearly.
Defining the function invert_dict such that it actually returns a dictionary is not a bad idea either; I mostly just didn't do that because it doesn't really help to explain how the routine works.
Apparent...
Git: show more context when using git add -i or git add -e?
I'm selectively committing parts of a large file and I'd like to see more context around each hunk. Is this possible?
2 Ans...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...have to go through all the records of the table: this is slow, because the more records you have in your database, the more work it has to do to find the result. On the other hand, an index will help the database skip quickly to the relevant pages where the 'Smith' records are held. This is very sim...
How different is Objective-C from C++? [closed]
...pdated to address the points raised in the following comments, added a few more items to the list.
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What's the fuss about Haskell? [closed]
...f loops, think in maps and folds and filters, etc. In general, if you have more than one perspective on a problem, it makes you better enabled to reason about this problem, and switch viewpoints as necessary.
The other really neat thing about Haskell is its type system. It's strictly typed, but the...
What is a software framework? [closed]
... one nice packet, hence providing the abstraction for your application and more importantly many applications.
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What's the difference between JPA and Hibernate? [closed]
...ion and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
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How to fix Error: laravel.log could not be opened?
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@RameshPareek You're right but I just wanted to be more clear ;)
– Hamid Parchami
Jan 21 '18 at 21:42
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Can a constructor in Java be private?
...eton design anti-pattern, which I would advise against you using. Another, more legitimate use, is in delegating constructors; you can have one constructor that takes lots of different options that is really an implementation detail, so you make it private, but then your remaining constructors deleg...