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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
... # define unique name of spider
name = "spider"
start_urls = ["https://www.url.de"]
def parse(self, response):
# initialize items
item = CrawlerItem()
# store data as items
item["js_enabled"] = response.body.decode("utf-8")
Optional Addon:
I wan...
Black transparent overlay on image hover with only CSS?
...ver {
-webkit-filter: brightness(50%);
}
JSFiddle Demo
References
https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
http://www.html5rocks.com/en/tutorials/filters/understanding-css/
https://developer.mozilla.org/en-US/docs/Web/CSS/filter
http://davidwalsh.name/css-filters
http://n...
How to configure PostgreSQL to accept all incoming connections
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Chrome Dev Tools - Modify javascript and reload
...
Great news, the fix is coming in March 2018, see this link: https://developers.google.com/web/updates/2018/01/devtools
"Local Overrides let you make changes in DevTools, and keep those changes across page loads. Previously, any changes that you made in DevTools would be lost when you...
What are the recommendations for html tag?
...tated that it should be an absolute URI, thus starting with the http:// or https:// scheme. This has been dropped in HTML5 specification. So if you use HTML5 and target HTML5 compatible browsers only, then you should be all fine by using a relative URI in the <base> tag.
As to using named/h...
How can javascript upload a blob?
... browsers. See caniuse.
Basic Fetch
It could be as simple as:
fetch(`https://example.com/upload.php`, {method:"POST", body:blobData})
.then(response => console.log(response.text()))
Fetch with Error Handling
After adding error handling, it could look like:
fetch(`https:/...
pass **kwargs argument to another function with **kwargs
...eUploader: {
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Is there a difference between foo(void) and foo() in C++ or C?
... to working code or UB.
I have interpreted the C99 standard in detail at: https://stackoverflow.com/a/36292431/895245
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Declaring and initializing variables within Java switches
...
Java spec:
https://docs.oracle.com/javase/specs/jls/se12/html/jls-14.html#jls-14.11
The case of abrupt completion because of a break with a label is handled by the general rule for labeled statements (§14.7).
https://docs.oracle....
PostgreSQL wildcard LIKE for any of a list of words
...eUploader: {
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