大约有 41,370 项符合查询结果(耗时:0.0355秒) [XML]
Which mime type should I use for mp3
I'm trying to decide which mime type to choose for returning mp3 data (served up by php)
5 Answers
...
How to get a specific “commit” of a gem from github?
...m 'rails', :git => 'git://github.com/rails/rails.git', :branch => '2-3-stable'
gem 'rails', :git => 'git://github.com/rails/rails.git', :tag => 'v2.3.5'
Source: How to install gems from git repositories
share
...
Find index of last occurrence of a substring in a string
...
Use .rfind():
>>> s = 'hello'
>>> s.rfind('l')
3
Also don't use str as variable name or you'll shadow the built-in str().
share
|
improve this answer
|
...
How to initialize an array's length in JavaScript?
Most of the tutorials that I've read on arrays in JavaScript (including w3schools and devguru ) suggest that you can initialize an array with a certain length by passing an integer to the Array constructor using the var test = new Array(4); syntax.
...
How to smooth a curve in the right way?
...)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-Gola...
JavaScript OOP in NodeJS: how?
...n other file:
var Animal = require("./animal.js");
var john = new Animal(3);
If you want a "sub class" then inside mouse.js:
var _super = require("./animal.js").prototype,
method = Mouse.prototype = Object.create( _super );
method.constructor = Mouse;
function Mouse() {
_super.constru...
What is the best way to compute trending topics or tags?
...) / std
Sample Output
>>> zscore(12, [2, 4, 4, 4, 5, 5, 7, 9])
3.5
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20])
0.0739221270955
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
1.00303599234
>>> zscore(2, [21, 22, 19, 18, 17, 22, 20,...
Why can a function modify some arguments as perceived by the caller, but not others?
...6
jfsjfs
326k132132 gold badges817817 silver badges14381438 bronze badges
...
What is the difference between gsub and sub methods for Ruby Strings
...
Ray ToalRay Toal
76.4k1212 gold badges143143 silver badges204204 bronze badges
13
...
Java switch statement: Constant expression required, but it IS constant
...
13 Answers
13
Active
...
