大约有 43,000 项符合查询结果（耗时：0.0563秒） [XML]
Is 161803398 A 'Special' Number? Inside of Math.Random()
...398 = 1.61803398 * 10^8 ≈ φ * 10^8
More about the golden ratio here.
And a really good read for the casual mathematician here.
And I found a research paper on random number generators that agrees with this assertion. (See page 53.)
...
Get the closest number out of an array
...
Here's the pseudo-code which should be convertible into any procedural language:
array = [2, 42, 82, 122, 162, 202, 242, 282, 322, 362]
number = 112
print closest (number, array)
def closest (num, arr):
curr = arr[0]
foreach val in arr:
if abs (n...
Should switch statements always contain a default clause?
...pe! based on the language,
// there should probably be some error-handling
// here, maybe an exception
}
2. To handle 'default' actions, where the cases are for special behavior.
You see this a LOT in menu-driven programs and bash shell scripts. You might also see this when a vari...
How to create circle with Bézier curves?
...
@legends2k I use LaTeX with TikZ to generate a PDF that I convert to PNG then.
– Kpym
Jan 6 '16 at 23:00
|
show 7 more comm...
How to compare dates in datetime fields in Postgresql?
...
Use Date convert to compare with date:
Try This:
select * from table
where TO_DATE(to_char(timespanColumn,'YYYY-MM-DD'),'YYYY-MM-DD') = to_timestamp('2018-03-26', 'YYYY-MM-DD')
...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...
I don't have the results posted. Just I converted several pages from our site and measured rendering time before and after. Nothing too scientific :)
– serg
Jul 3 '10 at 17:15
...
GitHub: make fork an “own project”
...: the way to go is to contact GitHub support. It took less than an hour to convert my fork into a standalone repo.
– Georgii Ivankin
Jan 13 '17 at 16:54
...
When you exit a C application, is the malloc-ed memory automatically freed?
... the only way to free memory to be to exit. For example, you might want to convert your program into a server (daemon) which keeps running while handling many requests for individual units of work, or your program might become a small part of a larger program.
However, here is a reason to skip fre...
Java regex capturing groups indexes
...
Capturing and grouping
Capturing group (pattern) creates a group that has capturing property.
A related one that you might often see (and use) is (?:pattern), which creates a group without capturing property, hence named non-capturi...
What does extern inline do?
I understand that inline by itself is a suggestion to the compiler, and at its discretion it may or may not inline the function, and it will also produce linkable object code.
...