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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...
LINQ Orderby Descending Query
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edited Apr 30 '16 at 21:56
Bakudan
17k99 gold badges4545 silver badges6969 bronze badges
answered M...
JavaScript closures vs. anonymous functions
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12 Answers
12
Active
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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)...
What is the difference between MacVim and regular Vim?
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218
MacVim is just Vim. Anything you are used to do in Vim will work exactly the same way in MacVi...
Should I embed images as data/base64 in CSS or HTML
...ides:
Doesn't work at all in IE6 and 7.
Works for resources only up to 32k in size in IE8. This is the limit that applies after base64 encoding. In other words, no longer than 32768 characters.
It saves a request, but bloats the HTML page instead! And makes images uncacheable. They get loaded e...
How to get MD5 sum of a string using python?
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For Python 2.x, use python's hashlib
import hashlib
m = hashlib.md5()
m.update("000005fab4534...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...们可能会遇到缓慢的体验，或者可能根本无法连接。
（2）4层负载平衡：
将网络流量负载平衡到多个服务器的最简单方法是使用第4层（传输层）负载平衡。以这种方式进行负载均衡将根据IP范围和端口转发用户流量（即，...
Set the value of an input field
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mikemaccana
73k6161 gold badges289289 silver badges368368 bronze badges
answered Sep 30 '11 at 10:33
JamesJames
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Get difference between 2 dates in JavaScript? [duplicate]
How do I get the difference between 2 dates in full days (I don't want any fractions of a day)
6 Answers
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