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How to pass a user defined argument in scrapy spider
...gs):
self.start_urls = [f'http://www.example.com/{category}'] # py36
super().__init__(**kwargs) # python3
def parse(self, response)
self.log(self.domain) # system
Taken from the Scrapy doc: http://doc.scrapy.org/en/latest/topics/spiders.html#spider-arguments
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SQL query for finding records where count > 1
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350
Use the HAVING clause and GROUP By the fields that make the row unique
The below will find
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When to use , tag files, composite components and/or custom components?
...rty. E.g. a component which represents a single java.util.Date property by 3 dependent <h:selectOneMenu> components, or a component which combines <p:fileUpload> and <p:imageCropper> into a single <my:uploadAndCropImage> referring a single custom com.example.Image entity as p...
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Daniel VassalloDaniel Vassallo
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Rails filtering array of objects by attribute value
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VikVik
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git discard all changes and pull from upstream
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edited Jan 3 '19 at 18:02
answered Dec 8 '12 at 20:08
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When to choose mouseover() and hover() function?
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113
From the official jQuery documentation
.mouseover()
Bind an event handler to the "mouseover" J...
In C# what is the difference between a destructor and a Finalize method in a class?
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3 Answers
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Print All JVM Flags
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36
Do not miss also -XX:+JVMCIPrintProperties for Graal JIT options.
Before dive into sources you...
How is “int main(){(([](){})());}” valid C++?
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edited May 23 '17 at 12:25
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answered Nov 28 '12 at 10:51
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