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How to pass a user defined argument in scrapy spider
...ot break.
class MySpider(Spider):
name="myspider"
start_urls = ('https://httpbin.org/ip',)
def parse(self,response):
print getattr(self,'category','')
print getattr(self,'domain','')
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Change color of PNG image via CSS?
...upported in over 90% of browsers according to the following CanIUse table: https://caniuse.com/#feat=css-filters
You can change an image to grayscale, sepia and lot more (look at the example).
So you can now change the color of a PNG file with filters.
body {
background-color:#03030a;
...
What are the alternatives now that the Google web search API has been deprecated? [closed]
...er 1000 queries.
There is a maximum of 10,000 queries per day.
Source: https://developers.google.com/custom-search/json-api/v1/overview#Pricing
The search quality is much lower than normal Google search (no synonyms, "intelligence" etc.)
It seems that Google is even planning to shut down thi...
How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...os from Eric Lippert. He does a nice job of explaining it with examples.
https://blogs.msdn.microsoft.com/ericlippert/2007/10/16/covariance-and-contravariance-in-c-part-one/
The videos:
https://www.youtube.com/watch?v=3MQDrKbzvqU
https://www.youtube.com/watch?v=XRIadQaBYlI
https://www.youtube....
Sharing a URL with a query string on Twitter
...le About it
http://twitter.com/share?text=Im Sharing on Twitter&url=https://stackoverflow.com/users/2943186/youssef-subehi&hashtags=stackoverflow,example,youssefusf
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string sanitizer for filename
...tion filter_filename($name) {
// remove illegal file system characters https://en.wikipedia.org/wiki/Filename#Reserved_characters_and_words
$name = str_replace(array_merge(
array_map('chr', range(0, 31)),
array('<', '>', ':', '"', '/', '\\', '|', '?', '*')
), '', $n...
ERROR: permission denied for sequence cities_id_seq using Postgres
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...
Great post. Good reason why you should use HTTPS.
– pqsk
Apr 19 '15 at 22:01
6
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How to set the thumbnail image on HTML5 video?
... width="400" controls="controls" preload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
</video>
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...
Can a relative sitemap url be used in a robots.txt?
...
if the site is loading https, Sitemap URL mentioned with http. Is this fine? Or do we have to place the sitemap URL based on the protocol?
– Shams
Apr 4 '17 at 6:02
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