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What does a b prefix before a python string mean?
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This is Python3 bytes literal. This prefix is absent in Python 2.5 and older (it is equivalent t...
Selenium wait until document is ready
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answered Feb 28 '13 at 4:14
ManigandanManigandan
4,72011 gold badge2424 silver badges4646 bronze badges
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Add default value of datetime field in SQL Server to a timestamp
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349
For modifying an existing column in an existing table:
ALTER TABLE YourTable ADD CONSTRAINT D...
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+)$', re.IGNORECASE)
print(re.match(regex, "http://www.example.com") is not None) # True
print(re.match(regex, "example.co...
Get all unique values in a JavaScript array (remove duplicates)
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Parser for C#
...Parser:
From C# 1.0 to 2.0, open-source
Metaspec C# Parser:
From C# 1.0 to 3.0, commercial product (about 5000$)
#recognize!:
From C# 1.0 to 3.0, commercial product (about 900€) (answer by SharpRecognize)
SharpDevelop Parser (answer by Akselsson)
NRefactory:
From C# 1.0 to 4.0 (+async), open-sourc...
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...
How to save as a new file and keep working on the original one in Vim?
... the open file.
– loevborg
Nov 21 '13 at 13:04
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@Ioevborg when is that not the case? I just :w f...
Why is sed not recognizing \t as a tab?
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answered Apr 9 '10 at 19:03
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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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...