大约有 45,000 项符合查询结果(耗时:0.0607秒) [XML]
shortcut for creating a Map from a List in groovy?
...
120
I've recently came across the need to do exactly that: converting a list into a map. This quest...
How do you clear the focus in javascript?
...you want, use document.activeElement.blur()
If you need to support Firefox 2, you can also use this:
function onElementFocused(e)
{
if (e && e.target)
document.activeElement = e.target == document ? null : e.target;
}
if (document.addEventListener)
document.addEventListene...
Transform DateTime into simple Date in Ruby on Rails
...ew.to_date
NoMethodError: undefined method 'to_date' for #<DateTime: -1/2,0,2299161>
from (irb):1
>> require 'active_support/core_ext'
=> true
>> DateTime.new.to_date
=> Mon, 01 Jan -4712
share...
How to convert an IPv4 address into a integer in C#?
...
21 Answers
21
Active
...
Simple way to create matrix of random numbers
...er [0, 1).
>>> import numpy as np
>>> np.random.rand(2,3)
array([[ 0.22568268, 0.0053246 , 0.41282024],
[ 0.68824936, 0.68086462, 0.6854153 ]])
share
|
improve this...
How to recursively delete an entire directory with PowerShell 2.0?
...directory and all its subdirectories in PowerShell? I am using PowerShell V2 in Windows 7.
17 Answers
...
How do you copy the contents of an array to a std::vector in C++ without looping?
...
phoenix
3,20611 gold badge2727 silver badges3131 bronze badges
answered Nov 3 '08 at 17:38
Drew HallDrew Hall
...
Reset C int array to zero : the fastest way?
...
172
memset (from <string.h>) is probably the fastest standard way, since it's usually a routin...
How to get Linux console window width in Python
...
262
import os
rows, columns = os.popen('stty size', 'r').read().split()
uses the 'stty size' com...