大约有 40,700 项符合查询结果（耗时：0.0574秒） [XML]
Image fingerprint to compare similarity of many images
I need to create fingerprints of many images (about 100.000 existing, 1000 new per day, RGB, JPEG, max size 800x800) to compare every image to every other image very fast. I can't use binary compare methods because also images which are nearly similar should be recognized.
...
How do I calculate square root in Python?
...
sqrt=x**(1/2) is doing integer division. 1/2 == 0.
So you're computing x(1/2) in the first instance, x(0) in the second.
So it's not wrong, it's the right answer to a different question.
...
How to get the position of a character in Python?
...
There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
&...
Unable to launch the IIS Express Web server
I have an asp.net MVC 4 solution. When I try to open it using Visual studio 2012, I get following error:
53 Answers
...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...e a simple game, I used a template that draws a canvas with bitmaps like this:
18 Answers
...
Is it bad practice to return from within a try catch finally block?
So I came across some code this morning that looked like this:
6 Answers
6
...
What is the fastest factorial function in JavaScript? [closed]
...t uses big numbers to get exact result with memoization and cache as comparison
var f = [new BigNumber("1"), new BigNumber("1")];
var i = 2;
function factorial(n)
{
if (typeof f[n] != 'undefined')
return f[n];
var result = f[i-1];
for (; i <= n; i++)
f[i] = result = result.multipl...
vs
What is the difference between stdint.h and cstdint ?
3 Answers
3
...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
... get data from an Excel file on a button click event. My connection string is:
34 Answers
...
How can I use a search engine to search for special characters? [closed]
... troubleshooting-related tasks, such as finding out what the variable "$-" is in perl, or searching for error output that is loaded with special characters.
...