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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...
What are the differences between the BLOB and TEXT datatypes in MySQL?
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answered Jul 24 '12 at 5:45
DarceyDarcey
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How to execute PHP code from the command line?
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260
If you're going to do PHP in the command line, i recommend you install phpsh, a decent PHP she...
ASP.NET MVC: Unit testing controllers that use UrlHelper
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202
Here is one of my tests (xUnit + Moq) just for similar case (using Url.RouteUrl in controller)...
NHibernate ISession Flush: Where and when to use it, and why?
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236
Briefly:
Always use transactions
Don't use Close(), instead wrap your calls on an ISession in...
Where is the syntax for TypeScript comments documented?
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edited Apr 27 '19 at 14:07
slideshowp2
23.8k2222 gold badges9393 silver badges194194 bronze badges
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Android: TextView automatically truncate and replace last 3 char of String
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295
You should be able to use the "ellipsize" property of a text view:
<TextView
android:l...
Increasing nesting function calls limit
...e is one very bad limit in PHP: if you call some function a1() that calls a2(), that calls a3... so when a99() will call a100() you will see
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Using a constant NSString as the key for NSUserDefaults
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207
You should use:
NSString * const kPolygonNumberOfSides = @"..."; // const pointer
instead o...
What does “default” mean after a class' function declaration?
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261
It's a new C++11 feature.
It means that you want to use the compiler-generated version of tha...