大约有 44,000 项符合查询结果(耗时:0.0527秒) [XML]
What is a “surrogate pair” in Java?
...
131
The term "surrogate pair" refers to a means of encoding Unicode characters with high code-poin...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...
31 Answers
31
Active
...
Java HashMap performance optimization / alternative
...around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a an...
find filenames NOT ending in specific extensions on Unix?
...
|
edited Jun 12 '12 at 16:37
T Zengerink
3,89555 gold badges2626 silver badges3131 bronze badges
...
Integer division: How do you produce a double?
...
11 Answers
11
Active
...
Adding external library in Android studio
...
19 Answers
19
Active
...
python plot normal distribution
...
216
import matplotlib.pyplot as plt
import numpy as np
import scipy.stats as stats
import math
mu ...
Hash collision in git
...
111
Picking atoms on 10 Moons
An SHA-1 hash is a 40 hex character string... that's 4 bits per char...
Random alpha-numeric string in JavaScript? [duplicate]
...
17 Answers
17
Active
...
Specify width in *characters*
...
1em is the height of an M, rather than the width. Same holds for ex, which is the height of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Cha...
