大约有 30,000 项符合查询结果（耗时：0.0312秒） [XML]
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;
...
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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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...
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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