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How to pass a user defined argument in scrapy spider
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The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working with the CrawlSpider class
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python tuple to dict
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+1 Beautiful!, I had to try it with zip dict(zip(*zip(*t)[::-1])). This is slower, uglier and using way more memory..likely 3x.
– kevpie
Apr 28 '11 at 1:35
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What is the meaning of “vnd” in MIME types?
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vnd indicates vendor-specific MIME types, which means they are MIME types that were introduced by corporate bodies rather than e.g. an Internet consortium.
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Rest with Express.js nested router
...or without params.
You must pass {mergeParams: true} to the child router if you want to access the params from the parent router.
mergeParams was introduced in Express 4.5.0 (Jul 5 2014)
In this example the itemRouter gets attached to the userRouter on the /:userId/items route
This will result...
How can I convert a string to a number in Perl?
...ope [rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" if "1,000" > 10;'
– Ramy
May 22 '14 at 15:24
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Using wget to recursively fetch a directory with arbitrary files in it
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If you don't want to download the entire content, you may use: -l1 just download the directory (example.com in your case) -l2 download the directory and all level 1 subfolders ('example.com/something' but not 'example.com/s...
How to count the frequency of the elements in an unordered list?
...the list before using groupby.
You can use groupby from itertools package if the list is an ordered list.
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
from itertools import groupby
[len(list(group)) for key, group in groupby(a)]
Output:
[4, 4, 2, 1, 2]
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Convert an NSURL to an NSString
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In Objective-C:
NSString *myString = myURL.absoluteString;
In Swift:
var myString = myURL.absoluteString
More info in the docs:
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Multiple models in a view
...sterViewModel)}
using ajax parts of your web-site become more independent
iframes, but probably this is not the case
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How to get MD5 sum of a string using python?
...ate('your string').hexdigest(), it won't work since update() returns None. If you want a one line solution, use Mark Longair's answer.
– Christopher Manning
Nov 16 '11 at 18:39
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