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Difference between BeautifulSoup and Scrapy crawler?
...of urls being crawled,to be crawled, handle cookies , manage proxy, handle errors, create your own functions to push data to CSV,JSON,XML etc. If you want to speed up than you will have to use other libraries like multiprocessing.
To sum up.
Scrapy is a rich framework that you can use to start wr...
Best practices for using Markers in SLF4J/Logback
..., such as sending an email to an administrator for some seriously critical errors. Not all errors always fall in the same category; some have to be dealt in an appropriate way.
Or, when a user quits from your service, it usually goes to an INFO log, but you can also use a marker for such instances,...
Generate Java class from JSON?
...ds, this site returned a result, while www.jsonschema2pojo.org reported an error.
– CoolMind
Sep 26 '16 at 8:56
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How do we control web page caching, across all browsers?
...lidate
Expires: 0
Cache-Control: must-revalidate
Expires: Sat, 12 Oct 1991 05:00:00 GMT
Pragma: no-cache (https only)
Vary: * (https only)
Combining the above gives us this solution which works for Chrome 28, FireFox 23, IE8, Safari 5.1.7, and Opera 12.15: Cache-Control: no-store, must-revalidate ...
Load view from an external xib file in storyboard
...ib.instantiate(withOwner: self, options: nil).first as? UIView else { fatalError("Error loading \(self) from nib") }
addSubview(view)
view.translatesAutoresizingMaskIntoConstraints = false
view.leadingAnchor.constraint(equalTo: self.safeAreaLayoutGuide.leadingAnchor, constant...
What does -> mean in Python function definitions?
... pr=test.__name__+': '+test.__docstring__
except AttributeError:
pr=test.__name__
msg = '{}=={}; Test: {}'.format(var, value, pr)
assert test(value), msg
def between(lo, hi):
def _between(x):
return lo <= x <= hi
_between.__d...
Git authentication fails after enabling 2FA
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I get The requested URL returned error: 403 when I use the token for password, for a push over https
– stelios
Aug 21 '18 at 15:05
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JSON datetime between Python and JavaScript
...isoformat())
The example datetime object would be serialized as:
'"2011-05-25T13:34:05.787000"'
This value, once received in the Javascript layer, can construct a Date object:
var d = new Date("2011-05-25T13:34:05.787000");
As of Javascript 1.8.5, Date objects have a toJSON method, which ret...
How to clear MemoryCache?
...r example, if you call the Set method after the cache is disposed, a no-op error occurs."
– Simon Tewsi
Jan 31 '13 at 23:34
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Debug vs. Release performance
...have debugging information if you include .PDB files. That way you can log errors with line numbers, for example.