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Java 8 Streams: multiple filters vs. complex condition
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edited Jan 22 '18 at 14:48
answered Jun 5 '14 at 8:20
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How do I automatically sort a has_many relationship in Rails?
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152
You can specify the sort order for the bare collection with an option on has_many itself:
class...
How to pass a user defined argument in scrapy spider
...tp://doc.scrapy.org/en/latest/topics/spiders.html#spider-arguments
Update 2013: Add second argument
Update 2015: Adjust wording
Update 2016: Use newer base class and add super, thanks @Birla
Update 2017: Use Python3 super
# previously
super(MySpider, self).__init__(**kwargs) # python2
Update...
Getting list of parameter names inside python function [duplicate]
...= lambda x, y: (x, y)
>>>
>>> func.__code__.co_argcount
2
>>> func.__code__.co_varnames
('x', 'y')
>>>
>>> def func2(x,y=3):
... print(func2.__code__.co_varnames)
... pass # Other things
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>>> func2(3,3)
('x', 'y')
>>>
>>>...
How to debug external class library projects in visual studio?
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202
Try disabling Just My Code (JMC).
Tools -> Options -> Debugger
Uncheck "Enable Just m...
Run a callback only if an attribute has changed in Rails
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200
Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_cha...
How do .gitignore exclusion rules actually work?
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answered Jun 8 '10 at 23:00
ChrisChris
9,86611 gold badge3535 silver badges4545 bronze badges
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Finding the handle to a WPF window
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142
Well, instead of passing Application.Current.MainWindow, just pass a reference to whichever wind...
Is it okay to use now?
...n't know if it will help you or not.
http://miketaylr.com/pres/html5/forms2.html
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Incomplete type is not allowed: stringstream
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215
#include <sstream> and use the fully qualified name i.e. std::stringstream ss;
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