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How do I create and read a value from cookie?
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19 Answers
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Passing a method as a parameter in Ruby
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100
You want a proc object:
gaussian = Proc.new do |dist, *args|
sigma = args.first || 10.0
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Get name of current class?
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158
obj.__class__.__name__ will get you any objects name, so you can do this:
class Clazz():
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Reason to Pass a Pointer by Reference in C++?
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143
You would want to pass a pointer by reference if you have a need to modify the pointer rather ...
how do I check in bash whether a file was created more than x time ago?
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140
Only for modification time
if test `find "text.txt" -mmin +120`
then
echo old enough
fi
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Why is the order in dictionaries and sets arbitrary?
...and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>> hash('foo') % 8
3
>>> hash('ba...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...cket 错误返回码详解Socket error 0 - Directly send errorSocket error 10004 - Interrupted function callSocket error 10013 - Permission...Socket error 0 - Directly send error
Socket error 10004 - Interrupted function call
Socket error 10013 - Permission denied
Socket error 10014 - Bad addr...
Strip whitespace from jsp output
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172
There is a trimWhiteSpaces directive that should accomplish this,
In your JSP:
<%@ page t...
How do I do an OR filter in a Django query?
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edited Mar 2 at 17:15
phoenix
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