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How to validate a url in Python? (Malformed or not)
...-]{2,}\.?)|' #domain...
r'localhost|' #localhost...
r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' # ...or ip
r'(?::\d+)?' # optional port
r'(?:/?|[/?]\S+)$', re.IGNORECASE)
print(re.match(regex, "http://www.example.com") is not None) # True
print(re.match(regex, "example.co...
surface plots in matplotlib
I have a list of 3-tuples representing a set of points in 3D space. I want to plot a surface that covers all these points.
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Rename MySQL database [duplicate]
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Aug 30 '12 at 4:59
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How to format a floating number to fixed width in Python
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for x in numbers:
print "{:10.4f}".format(x)
prints
23.2300
0.1233
1.0000
4.2230
9887.2000
The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:
The empty string bef...
When do I need to use a semicolon vs a slash in Oracle SQL?
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It's a matter of preference, but I prefer to see scripts that consistently use the slash - this...
Why is sed not recognizing \t as a tab?
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answered Apr 9 '10 at 19:03
Mark ByersMark Byers
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Get all unique values in a JavaScript array (remove duplicates)
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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...;
DockPane(&m_Panes[1]);// BOTTOM
DockPane(&m_Panes[0]);// LEFT
（3）第三种情况
if (!m_Panes[0].Create(_T("Pane 0"), this, CRect(0, 0, 200, 100), TRUE, 1000,
WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | CBRS_LEFT | CBRS_FLOAT_MULTI))
{return FALS...
What does a b prefix before a python string mean?
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63
This is Python3 bytes literal. This prefix is absent in Python 2.5 and older (it is equivalent t...