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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
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edited May 9 '19 at 20:32
community wiki
11 ...
Converting a string to a date in JavaScript
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function stringToDate(_date,_format,_delimiter)
{
var formatLowerCase=_format.toLowerCase();
var formatItems=formatLowerCase.split(_delimiter);
var dateItems=_date.split(_delimiter);
var monthIndex=f...
Jackson - Deserialize using generic class
...nStaxMan
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2
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What does the 'b' character do in front of a string literal?
...coding instead of with unicode escapes (eg. b'\xff\xfe\xe12' instead of '\u32e1').
– detly
Jun 8 '11 at 2:44
7
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Alphabet range in Python
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>>> import string
>>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w...
Rolling or sliding window iterator?
...f window(seq, n=2):
it = iter(seq)
win = deque((next(it, None) for _ in xrange(n)), maxlen=n)
yield win
append = win.append
for e in it:
append(e)
yield win
In my tests it handily beats everything else posted here most of the time, though pillmuncher's tee versi...
What tools are there for functional programming in C?
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answered Oct 19 '08 at 18:32
ephemientephemient
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What is “thread local storage” in Python, and why do I need it?
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Shog9
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answered Sep 20 '08 at 0:31
Aaron MaenpaaAar...
Split string in Lua?
...%s, like %D is the negation of %d. Additionally, %w is equal to [A-Za-z0-9_] (other characters might be supported depending on your locale).
– Lars Gyrup Brink Nielsen
Jan 2 '14 at 22:00
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Is there a performance difference between i++ and ++i in C++?
... this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) // called for i++
{
Foo tmp(*this); // variable "tmp" cannot be optimized away by the compiler
++(*this);
return tmp;
}
Since the compiler isn't generating code, but just calling an operator++ ...