大约有 47,000 项符合查询结果（耗时：0.0516秒） [XML]
How do I find if a string starts with another string in Ruby?
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edited Jan 11 '13 at 23:53
the Tin Man
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an...
How to print the values of slices
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edited Aug 14 '15 at 5:35
answered Jun 30 '14 at 11:48
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How can I output UTF-8 from Perl?
... "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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what is the function of webpages:Enabled in MVC 3 web.config
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edited Dec 8 '11 at 5:47
answered Feb 3 '11 at 12:27
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PostgreSQL array_agg order
... Heikens
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42
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Preserving signatures of decorated functions
...putes x*y + 2*z"""
return x*y + 2*z
print funny_function("3", 4.0, z="5")
# 22
help(funny_function)
# Help on function funny_function in module __main__:
#
# funny_function(x, y, z=3)
# Computes x*y + 2*z
Python 3.4+
functools.wraps() from stdlib preserves signatures since Python 3.4...
Twig: in_array or similar possible within if statement?
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465
You just have to change the second line of your second code-block from
{% if myVar is in_array(...
validation custom message for rails 3
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edited Mar 4 '15 at 3:20
Andrew Hendrie
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String concatenation in MySQL
I am using MySQL and MySQL Workbench 5.2 CE. When I try to concatenate 2 columns, last_name and first_name , it doesn't work :
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