大约有 43,869 项符合查询结果（耗时：0.0430秒） [XML]
How do you print in a Go test using the “testing” package?
...
148
The structs testing.T and testing.B both have a .Log and .Logf method that sound to be what yo...
What does “fragment” mean in ANTLR?
...
113
A fragment is somewhat akin to an inline function: It makes the grammar more readable and easi...
ruby 1.9: invalid byte sequence in UTF-8
I'm writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites.
When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors....
The static keyword and its various uses in C++
...
150
Variables:
static variables exist for the "lifetime" of the translation unit that it's defined...
How do I browse an old revision of a Subversion repository through the web view?
...
186
Append something like this to your repository URL:
!svn/bc/<revision_number>/
E.g.
http...
An existing connection was forcibly closed by the remote host
...
11 Answers
11
Active
...
python capitalize first letter only
... you can use '2'.isdigit() to check for each character.
>>> s = '123sa'
>>> for i, c in enumerate(s):
... if not c.isdigit():
... break
...
>>> s[:i] + s[i:].capitalize()
'123Sa'
sha...
Less aggressive compilation with CSS3 calc
The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating
4 Answers
...
Histogram Matplotlib
...
import matplotlib.pyplot as plt
import numpy as np
mu, sigma = 100, 15
x = mu + sigma * np.random.randn(10000)
hist, bins = np.histogram(x, bins=50)
width = 0.7 * (bins[1] - bins[0])
center = (bins[:-1] + bins[1:]) / 2
plt.bar(center, hist, align='center', width=width)
plt.show()
The...