大约有 2,000 项符合查询结果（耗时：0.0149秒） [XML]
Is there a float input type in HTML5?
...tep=any /> Step any<br />
<input type=datetime-local step=0.001 /> Step 0.001<br />
<input type=datetime-local step=3600 /> Step 3600 (1 hour)<br />
<input type=datetime-local step=86400 /> Step 86400 (1 day)<br />
<input type=datetime-loca...
Difference between DateTime and Time in Ruby
...ound. It can be more or less than even 63 bits away from Epoch:
irb(main):001:0> RUBY_VERSION
=> "2.0.0"
irb(main):002:0> Time.at(2**62-1).utc # within Integer range
=> 146138514283-06-19 07:44:38 UTC
irb(main):003:0> Time.at(2**128).utc # outside of Integer range
=> 1078311894383...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...ng parameters:
import numpy as np
from scipy import stats
np.random.seed(110) # for reproducible results
# set parameters
red_mean = 3
red_std = 0.8
blue_mean = 7
blue_std = 2
# draw 20 samples from normal distributions with red/blue parameters
red = np.random.normal(red_mean, red_std, size=20)...
Why do we need fibers
...classes, without passing a block, it will return an Enumerator.
irb(main):001:0> [1,2,3].reverse_each
=> #<Enumerator: [1, 2, 3]:reverse_each>
irb(main):002:0> "abc".chars
=> #<Enumerator: "abc":chars>
irb(main):003:0> 1.upto(10)
=> #<Enumerator: 1:upto(10)>
Th...
How do you make an array of structs in C?
... answered May 6 '12 at 4:41
vrk001vrk001
34511 gold badge22 silver badges99 bronze badges
...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...
You can just use the + operator!
irb(main):001:0> a = [1,2]
=> [1, 2]
irb(main):002:0> b = [3,4]
=> [3, 4]
irb(main):003:0> a + b
=> [1, 2, 3, 4]
You can read all about the array class here:
http://ruby-doc.org/core/classes/Array.html
...
Convert all first letter to upper case, rest lower for each word
...Thread
IL_000B: callvirt System.Threading.Thread.get_CurrentCulture
IL_0010: callvirt System.Globalization.CultureInfo.get_TextInfo
IL_0015: ldloc.0 // s
IL_0016: callvirt System.String.ToLower
IL_001B: callvirt System.Globalization.TextInfo.ToTitleCase
IL_0020: stloc.0 // ...
How to perform static code analysis in php? [closed]
...nswered May 26 '12 at 22:40
rjha94rjha94
3,88233 gold badges2424 silver badges3636 bronze badges
...
Pinging servers in Python
...
for python3 try ping3: github.com/kyan001/ping3 pip install ping3
– beep_check
Jan 3 '19 at 17:02
...
What is a good Java library to zip/unzip files? [closed]
...org.zeroturnaround.zip.ZipException: java.io.FileNotFoundException: images\001GL.JPG: open failed: EINVAL (Invalid argument) error
– Smit Patel
Jan 16 '14 at 11:30
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