大约有 46,000 项符合查询结果(耗时:0.0846秒) [XML]

https://stackoverflow.com/ques... 

How to change navbar collapse threshold using Twitter bootstrap-responsive?

I'm using Twitter Bootstrap 2.0.1 in a Rails 3.1.2 project, implemented with bootstrap-sass. I'm loading both the bootstrap.css and the bootstrap-responsive.css files, as well as the bootstrap-collapse.js Javascript. ...
https://stackoverflow.com/ques... 

Permutations in JavaScript?

... 108 If you notice, the code actually splits the chars into an array prior to do any permutation, so...
https://stackoverflow.com/ques... 

How do I convert a numpy array to (and display) an image?

... 240 You could use PIL to create (and display) an image: from PIL import Image import numpy as np w...
https://stackoverflow.com/ques... 

Apply a function to every row of a matrix or a data frame

... 3 4 [3,] 5 6 R> apply(M, 1, function(x) 2*x[1]+x[2]) [1] 4 10 16 R> This takes a matrix and applies a (silly) function to each row. You pass extra arguments to the function as fourth, fifth, ... arguments to apply(). ...
https://stackoverflow.com/ques... 

How do I set a background-color for the width of text, not the width of the entire element, using CS

... I want is for the green background to be just behind the text, not to be 100% of the page width. Here is my current code: ...
https://stackoverflow.com/ques... 

Truncate Two decimal places without rounding

... value = Math.Truncate(100 * value) / 100; Beware that fractions like these cannot be accurately represented in floating point. share | improve t...
https://stackoverflow.com/ques... 

How to remove leading zeros from alphanumeric text?

...s leading zeroes, but leaves one if necessary (i.e. it wouldn't just turn "0" to a blank string). s.replaceFirst("^0+(?!$)", "") The ^ anchor will make sure that the 0+ being matched is at the beginning of the input. The (?!$) negative lookahead ensures that not the entire string will be matched....
https://stackoverflow.com/ques... 

What is the bower (and npm) version syntax?

...ke any subsequent patch-level changes on the 1.2.x tree, starting with 1.2.0, but less than 1.3.0, you could use: "angular": "~1.2" or: "angular": "~1.2.0" This also gets you the same results as using the .x syntax: "angular": "1.2.x" But, you can use the tilde/~ syntax to be even more spec...
https://stackoverflow.com/ques... 

What is the most efficient string concatenation method in python?

... | edited May 11 '16 at 7:04 Quentin Pradet 4,28622 gold badges2626 silver badges4040 bronze badges answ...
https://stackoverflow.com/ques... 

How to initialize a two-dimensional array in Python?

... \ for i in range (0, 10): \ new = [] \ can be replaced } this too for j in range (0, 10): } with a list / new.append(foo) / comprehension / twod...