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How does C compute sin() and other math functions?
...s code uses some numerical hacks I've never seen before, though for all I know they might be well-known among floating-point experts. Sometimes a few lines of code would take several paragraphs to explain. For example, these two lines
double t = (x * hpinv + toint);
double xn = t - toint;
are use...
Object-orientation in C
..., you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int how_high);
};
struct base
{
struct base_vtable *vtable;
/* base members */
}...
What is the difference between partitioning and bucketing a table in Hive ?
I know both is performed on a column in the table but how is each operation different.
8 Answers
...
Meaning of acronym SSO in the context of std::string
...f m_size <= 16, then I will put all of the data in m_sso, so I already know the capacity and I don't need the pointer to the data. If m_size > 16, then I don't need m_sso. There is absolutely no overlap where I need all of them. A smarter solution that wastes no space would look something a li...
Get Character value from KeyCode in JavaScript… then trim
This is what I have now:
10 Answers
10
...
How do I tell Maven to use the latest version of a dependency?
...
Now I know this topic is old, but reading the question and the OP supplied answer it seems the Maven Versions Plugin might have actually been a better answer to his question:
In particular the following goals could be of use...
How can I debug git/git-shell related problems?
... This would be most useful as I have to resolve a key problem now, but it doesn't work for me with git 1.8.3.1 and OpenSSH_6.6.1p1, OpenSSL 1.0.1e-fips 11 Feb 2013 on CentOS Linux release 7.2.1511 (Core). :(
– Greg Dubicki
Jun 6 '16 at 12:37
...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...ex + 1) (triangle + index + 1)
main = print $ nextTriangle 1 1
EDIT: So now that we've explored that, lets address the questions
Question 1: Do erlang, python and haskell lose speed due to using
arbitrary length integers or don't they as long as the values are less
than MAXINT?
In Haske...
Can I unshelve to a different branch in tfs 2008?
...Export Shelveset'
Save to an empty location such as C:\temp\shelveset-name
Now have a complete directory structure containing JUST the new files
(Note: There's no progress bar when exporting - so if you have a large shelveset that takes a long time to export you'll just have to check in Windows E...
Why can't the C# constructor infer type?
...d.
This feature has been on the list of possible features for a long time now. It's never been anywhere near high enough on the list to actually get implemented.
UPDATE March 2015
The proposed feature made it close enough to the top of the list for C# 6 to be specified and designed, but was then ...